A microparticle filter, textile treatment apparatus, use and method is disclosed. The microparticle filter comprises i) a filter chamber, the filter chamber comprising: an inlet for supplying effluent into the filter chamber and an outlet for filtered effluent to leave the filter chamber; a first set of chamber walls and a second set of chamber walls, wherein the first set of chamber walls and the second set of chamber walls in a first configuration are sealed together so that effluent cannot pass between the first set of chamber walls and the second set of chamber walls, and wherein the first set of chamber walls and the second set of chamber walls in a second configuration provide an opening; ii) a filter cage contained within the filter chamber, wherein the filter cage comprises one or more than one filter medium, the filter medium to filter microparticles from the effluent, and wherein the filter cage is rotatable around an axis, and wherein the filter cage defines an interior volume, and wherein the inlet is arranged to provide effluent to the interior volume of the filter cage and the outlet is arranged to receive filtered effluent from the filter cage; iii) a transfer member rotatable around the axis; iv) an actuator connected to the first set of chamber walls, and one of the filter cage or the transfer member and operable to move between the first configuration and the second configuration; v) a drive unit arranged to rotate the transfer member in at least the second configuration; wherein in the first configuration, the transfer member is located in the interior volume of the filter cage; and wherein in a second configuration, the transfer member is removed from the interior volume of the filter cage along the axis and the transfer member is rotatable to throw transferred filter residue off the transfer member through the opening, and wherein the transfer member comprises a filter residue collector to remove filter residue from the filter medium when the filter is changed from the first configuration from the second configuration.
B01D 33/11 - Filtres avec éléments filtrants mobiles au cours de l'opération de filtration à surfaces filtrantes rotatives cylindriques, p. ex. tambours creux agencés pour la filtration à courant dirigé vers l'extérieur
B01D 33/46 - Régénération de la substance filtrante dans le filtre par des racloirs, des brosses ou des dispositifs analogues agissant sur le côté de l'élément filtrant où se trouve le gâteau
B01D 33/56 - Régénération de la substance filtrante dans le filtre par des forces générées par un mouvement de l'élément filtrant mettant en jeu la force centrifuge
B01D 33/62 - Manipulation du gâteau de filtration dans le filtre pour des raisons autres que la régénération pour le séchage
B01D 33/68 - Manipulation du gâteau de filtration dans le filtre pour des raisons autres que la régénération pour retarder le dépôt du gâteau sur le filtre pendant la filtration, p. ex. en utilisant des agitateurs
B01D 33/76 - Filtres avec éléments filtrants mobiles au cours de l'opération de filtration comportant des dispositifs d'alimentation ou d'évacuation d'évacuation du gâteau de filtration, p. ex. goulottes
A filter unit and a filter cage, the filter unit comprising a filter chamber and a filter cage. The filter chamber comprises opposing first and second end walls, a sidewall therebetween, and an opening in the second end wall. The filter cage is rotatable in the filter unit and comprises a sidewall comprising filter media and an opening at a first end for the filter cage. The filter cage is removable via the opening in the filter chamber. The filter chamber further comprises an inlet to pass feed liquid into the filter cage via the opening and an outlet for filtered liquid. The filter unit further comprises a drive shaft to rotate the filter cage. A connection member in the filter chamber forms a rotary seal and a detachable connection to the filter cage. This arrangement permits removal and emptying of the filter cage a single operation amongst other benefits. In alternative aspects a filter cage comprises a moveable member and a user operable portion for extraction of filtered microparticles through the opening.
B01D 33/11 - Filtres avec éléments filtrants mobiles au cours de l'opération de filtration à surfaces filtrantes rotatives cylindriques, p. ex. tambours creux agencés pour la filtration à courant dirigé vers l'extérieur
3.
A FILTER UNIT, A TEXTILE TREATMENT APPARATUS, USE THEREOF AND A METHOD OF FILTERING MICROPARTICLES
A filter unit for filtering microparticles from a feed liquid containing microparticles. The filter unit comprises a filter chamber extending along an axis, and comprising opposing first end and second end walls and at least one sidewall extending therebetween and both first and second end walls are coincident with the axis. The filter unit also comprises a filter cage contained within the filter chamber and configured to rotate about the axis, the filter cage comprising one or more than one filter media for filtering microparticles from the feed liquid. The filter unit also comprises an inlet configured to pass feed liquid through the first end wall into the filter chamber. The filter unit also comprises an outlet in the filter chamber for passage of filtered liquid out of the filter chamber. The filter unit also comprises a drive shaft configured to drive rotation of the filter cage, the drive shaft extending from the first end wall of the filter chamber to the filter cage. The second end wall is or comprises an opening therein and a removable lid, in a first configuration the opening is closed by the removable lid so that feed liquid cannot pass through the opening, in a second configuration the lid is removed from the opening so that filtered microparticles are extractable from the filter chamber through the opening. The present disclosure also relates to a textile treatment apparatus comprising the filter unit, to the use of the filter unit and the textile treatment apparatus, and to methods of filtering microparticles from feed liquid containing microparticles.
B01D 33/11 - Filtres avec éléments filtrants mobiles au cours de l'opération de filtration à surfaces filtrantes rotatives cylindriques, p. ex. tambours creux agencés pour la filtration à courant dirigé vers l'extérieur
B01D 33/44 - Régénération de la substance filtrante dans le filtre
The present invention relates to a filter unit suitable for filtering microfibres within a feed, especially a feed originating from a textile treatment apparatus. The present invention also relates to a textile treatment apparatus comprising said filter unit and a method of filtering utilising said filter unit.
B01D 33/11 - Filtres avec éléments filtrants mobiles au cours de l'opération de filtration à surfaces filtrantes rotatives cylindriques, p. ex. tambours creux agencés pour la filtration à courant dirigé vers l'extérieur
B01D 33/56 - Régénération de la substance filtrante dans le filtre par des forces générées par un mouvement de l'élément filtrant mettant en jeu la force centrifuge
B01D 29/90 - Filtres à éléments filtrants stationnaires pendant la filtration, p. ex. filtres à aspiration ou à pression, non couverts par les groupes Leurs éléments filtrants comportant des dispositifs d'alimentation ou d'évacuation d'alimentation
C02F 1/00 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout
A process and apparatus for the enzymatic degradation of a cellulosic substrate is disclosed. The process comprises agitating a composition with milling particles, wherein the milling particles are or comprise a lignocellulosic material and wherein the composition comprises: a. the cellulosic substrate; b. a cellulase enzyme; and c. a liquid medium.
C12M 1/40 - Appareillage spécialement destiné à l'utilisation d'enzymes libres, immobilisées ou liées à un support, p. ex. appareils contenant un lit fluidisé d'enzymes immobilisées
C12N 9/42 - Hydrolases (3.) agissant sur les composés glycosyliques (3.2) agissant sur les liaisons bêta-glucosidiques-1, 4, p. ex. cellulase
A baffle for use with a treatment machine wherein the treatment machine is configured to treat substrates in the presence of solid particles and wherein the treatment machine comprises a drum and a door for loading a substrate into the drum. The baffle comprises a tub connector portion connecting the baffle to a tub of the treatment machine. The baffle also comprises a door contacting portion for contacting the door of the treatment machine when in use and the door is in a closed configuration. The baffle also comprises a barrier extending between the tub connector portion and the door contacting portion; and wherein the barrier is inclined so that when in use, solid particles deposited on the barrier are diverted into the drum of the treatment machine. There is also provided a treatment machine comprising the baffle and a method of treating a substrate in said treatment machine.
Aspects relate to a drum (10) for rotatably mounting in an apparatus for use in the treatment of substrates with a solid particulate material; a method of treating a substrate comprising agitating the substrate in a drum (10); and a kit for converting an apparatus to comprise the drum (10). The drum has an inner surface (15) and an end wall (2) and access means (70) for introducing said substrates into said drum, wherein said drum (10) comprises: •(a) storage means (4) for storage of said solid particulate material, wherein at least part of said storage means is or comprises at least one cavity located in said end wall (2) of said drum (10); and•(c) a dispensing aperture (12) for dispensing solid particulate material from said storage means (4) into the interior of said drum (10), wherein said dispensing aperture (12) is comprised in said end wall (2) of said drum, characterised in that said drum (10) comprises a valve (6) that is actuatable between a closed position and an open position, wherein when said valve (6) is in said closed position said solid particulate material is prevented from passing through said dispensing aperture (12) and when said valve (6) is in said open position said solid particulate material is permitted to pass through said dispensing aperture (12).
An apparatus, method and kit for use in the treatment of substrates with a solid particulate material, said apparatus comprising a housing having mounted therein a rotatably mounted drum having an inner surface and an end wall and access means for introducing said substrates into said drum, the drum preferably having and elongate protrusion (1) located on said inner surface of said drum, wherein •(a) said drum comprises storage means for storage of said solid particulate material; and •(b) said drum comprises a first collecting flow path to facilitate flow of said solid particulate material from the interior of said drum to said storage means when said drum rotates in a first collecting direction, characterised in that said drum comprises a second collecting flow path to facilitate flow of said solid particulate material from the interior of said drum to said storage means when said drum rotates in a second collecting direction, wherein said second collecting direction is in the opposite rotational direction to said first collecting direction, and wherein said first collecting flow path and said second collecting flow path are different flow paths.
An apparatus for use in the treatment of substrates with a solid particulate material, said apparatus comprising: (a) a housing having mounted therein a rotatably mounted drum (8) having an inner surface and an end wall; and (b) access means for introducing said substrates into said drum, wherein said drum comprises storage means (2) for storage of said solid particulate material and a plurality of flow paths to facilitate flow of said solid particulate material between said storage means and the interior of said drum (8), characterised in that: said drum (8) comprises a dispensing flow path (5) to facilitate flow of said solid particulate material from said storage means (2) to the interior of said drum (8), and a collecting flow path (6) to facilitate flow of said particulate material from the interior of said drum (8) to said storage means (2), wherein said dispensing flow path (5) and said collecting flow path (6) are different flow paths.
A centrifugal filter unit for an apparatus for use in the treatment of a substrate with a treatment formulation is provided. The centrifugal filter unit includes a) a housing having an outlet; b) an inlet; c) a filter rotatably mounted in the housing and having a side wall with perforations that allow liquid to pass through but prevent solid material from passing through; d) an aperture; and e) a drive for rotating the filter. A portion of the centrifugal filter unit in the filter chamber is removable and, when removed from the centrifugal filter unit following operation, takes with it at least a portion of the solid material prevented from passing through the perforations. The centrifugal filter unit is arranged such that the feed is drawn into the filter from the inlet through the aperture and the liquid is expelled through the perforations to the outlet and the solid material is retained in the filter. The removable portion is shaped to scrape against the side wall during removal.
B01D 33/11 - Filtres avec éléments filtrants mobiles au cours de l'opération de filtration à surfaces filtrantes rotatives cylindriques, p. ex. tambours creux agencés pour la filtration à courant dirigé vers l'extérieur
A47L 15/42 - Machines à laver ou à rincer la vaisselle ou les ustensiles de table Parties constitutives
B01D 33/46 - Régénération de la substance filtrante dans le filtre par des racloirs, des brosses ou des dispositifs analogues agissant sur le côté de l'élément filtrant où se trouve le gâteau
B01D 33/72 - Filtres avec éléments filtrants mobiles au cours de l'opération de filtration comportant des dispositifs d'alimentation ou d'évacuation d'alimentation
B04B 15/06 - Autres accessoires pour centrifugeurs pour nettoyer les tambours, les filtres, les tamis, les garnitures ou similaires
C02F 1/00 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout
C02F 103/00 - Nature de l'eau, des eaux résiduaires ou des eaux ou boues d'égout à traiter
D06F 33/47 - Réaction à un fonctionnement anormal de la machine, p. ex. mauvais fonctionnement des pompes
D06F 39/08 - Dispositions pour l’alimentation ou l’évacuation des liquides
A method of treating a substrate with a solid particulate material and a treatment liquor comprising: agitating the substrate with said solid particulate material and said treatment liquor; and (a) separating the substrate from effluent comprising solid waste fragments derived from the substrate, said solid particulate material and the treatment liquor; (b) transferring said effluent to a hydrocyclone separator comprising an inlet, a first outlet and a second outlet, wherein the effluent is fed into the hydrocyclone separator via the inlet; (c) separating the effluent in the hydrocyclone separator to produce a first stream and a second stream, wherein the first stream comprises said solid particulate material and exits the hydrocyclone separator via the first outlet and wherein the second stream comprises treatment liquor and solid waste fragments and exits the hydrocyclone separator via the second outlet; and (d) collecting the first stream after it exits the hydrocyclone separator via the first outlet.
C02F 1/38 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par séparation centrifuge
C14C 15/00 - Appareillage pour le traitement chimique ou le lavage des peaux ou des cuirs
C02F 103/24 - Nature de l'eau, des eaux résiduaires ou des eaux ou boues d'égout à traiter provenant du traitement d'animaux, p. ex. de volaille ou de poissons, ou de parties de ceux-ci provenant de tanneries
12.
Animal skin substrate treatment method and apparatus
A method of treating an animal skin substrate comprising: agitating the animal skin substrate with a solid particulate material and a treatment liquor; separating the animal skin substrate from effluent comprising the solid particulate material, the treatment liquor and solid waste fragments derived from said substrate; transferring the effluent to a first separator, wherein the first separator is configured to allow the treatment liquor and at least a portion of the solid waste fragments to pass through the first separator but to prevent the solid particulate material from passing through the first separator, and providing a first filtrate stream comprising treatment liquor and solid waste fragments and a first residue comprising solid particulate material and residual solid waste fragments treating said first residue to remove said residual solid waste fragments to provide cleaned solid particulate material, wherein said treating of said first residue comprises retaining said solid particulate material on a surface of a treatment separator during said treating, wherein the treatment separator is configured to allow liquid and residual solid waste fragments to pass through but to prevent the solid particulate material from passing through; and (i) directing a cleaning formulation onto said solid particulate material to provide a second filtrate stream comprising said cleaning formulation and said residual solid waste fragments and a second residue comprising cleaned solid particulate material; and/or (ii) agitating the treatment separator.
C14C 15/00 - Appareillage pour le traitement chimique ou le lavage des peaux ou des cuirs
B01D 29/78 - Manipulation du gâteau de filtration dans le filtre pour des raisons autres que la régénération pour le lavage
B08B 3/04 - Nettoyage impliquant le contact avec un liquide
B08B 7/02 - Nettoyage par des procédés non prévus dans une seule autre sous-classe ou un seul groupe de la présente sous-classe par distorsion, battage ou vibration de la surface à nettoyer
C02F 1/00 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout
C02F 103/24 - Nature de l'eau, des eaux résiduaires ou des eaux ou boues d'égout à traiter provenant du traitement d'animaux, p. ex. de volaille ou de poissons, ou de parties de ceux-ci provenant de tanneries
A method for cleaning a substrate which is or comprises a textile, the method comprising agitating the substrate and a cleaning composition comprising: i. cleaning particles comprising a thermoplastic polyamide and a hydrophilic material at least part of which is located inside the cleaning particle, said cleaning particles having an average particle size of from 1 to 100 mm; and ii. a liquid medium. An apparatus suitable for performing said method comprising a rotatable cleaning chamber and a particle storage tank containing the cleaning particles. Use of the cleaning particles for cleaning a substrate which is or comprises a textile.
D06F 35/00 - Machines à laver, appareils ou méthodes non prévus ailleurs
D06B 3/30 - Passage des matières textiles à travers des liquides, gaz ou vapeurs en vue d'effectuer un traitement, p. ex. lavage, teinture, blanchiment, encollage, imprégnation d'articles, p. ex. de bas
C11D 1/22 - Esters des acides sulfoniques ou de l'acide sulfuriqueLeurs sels dérivés de composés aromatiques
C11D 3/00 - Autres composés entrant dans les compositions détergentes couvertes par le groupe
An apparatus for treating at least one animal skin substrate with a multiplicity of solid particles comprises a rotatably mounted drum for containing said animal substrate, said solid particulate material and a treatment liquor, said drum comprising an outlet opening and a closure. The closure can be moveable between a first position wherein said outlet opening is closed and the animal substrate, the solid particulate material and the treatment liquor cannot pass through the outlet and are retained within the drum and a second position wherein said outlet opening is open such that solid particulate material and the treatment liquor can exit the drum through the outlet opening. The drum can further comprise an apertured screen arranged at the outlet and configured to permit passage through the outlet opening of the solid particulate material and the treatment liquor when the closure is in the second position and to prevent passage thereof through the outlet opening of the animal skin substrate. The apertured screen is suitably moveable from the outlet opening to permit loading and unloading of the animal skin substrate through the outlet opening when the closure is in the second position. A treatment method using the apparatus is also disclosed.
A method for tanning an animal substrate comprising the steps: i) agitating the animal substrate with a chromium-free tanning agent; and ii) agitating the animal substrate with a tanning agent having an oxazolidine group; wherein at least some of the agitation is performed in the presence of a solid particulate material having an average particle size of from 1 to 500 mm.
A washing method with polymer solid particles comprises: step 1: washing clothes with the polymer solid particles, the surface of said polymer solid particles is provided with absorption holes; step 2: dehydrating the polymer solid particles and the clothes together; step 3: separating the polymer solid particles from the clothes and collecting the polymer solid particles; step 4: rinsing the clothes; and step 5: dehydrating the clothes. Before separating the polymer solid particles from the clothes, there is a step of dehydrating the polymer solid particles and the clothes together, so the user can easily separate the polymer solid particles from the clothes.
D06F 35/00 - Machines à laver, appareils ou méthodes non prévus ailleurs
D06F 23/00 - Machines à laver avec réceptacles, p. ex. perforés, et avec un mouvement rotatif, p. ex. oscillant, le réceptacle servant aussi bien pour le lavage que pour l'essorage centrifuge
D06F 23/02 - Machines à laver avec réceptacles, p. ex. perforés, et avec un mouvement rotatif, p. ex. oscillant, le réceptacle servant aussi bien pour le lavage que pour l'essorage centrifuge et tournant ou oscillant autour d'un axe horizontal
The invention provides an apparatus and method for use in the treatment of substrates, whereby the apparatus comprises housing means having mounted therein a rotatably mounted drum (17), access means through which said substrates may be loaded into said drum (17), and a multiplicity of solid particulate material delivery means.
D06F 21/00 - Machines à laver à réceptacles, p. ex. perforés, et avec un mouvement rotatif, p. ex. oscillant
D06F 39/08 - Dispositions pour l’alimentation ou l’évacuation des liquides
D06F 21/14 - Machines à laver à réceptacles, p. ex. perforés, et avec un mouvement rotatif, p. ex. oscillant avec des moyens de frottage ou de battage qui ne sont pas fixés, ou ne font pas partie du réceptacle
D06F 58/02 - Sèche-linge à usage domestique avec des tambours tournant autour d'un axe horizontal
D06F 35/00 - Machines à laver, appareils ou méthodes non prévus ailleurs
D06F 37/04 - Réceptacles rotatifs, p. ex. tambours adaptés pour rotation ou oscillation autour d'un axe horizontal ou incliné
D06F 39/02 - Dispositifs pour l'addition de savon ou autres agents de lavage
D06F 37/06 - Nervures ou autres moyens de frottage faisant partie du réceptacle
The invention provides an apparatus and method for use in the treatment of substrates, the apparatus comprising housing means (1) having a first upper chamber having mounted therein a rotatably mounted cylindrical cage (2), a second lower chamber located beneath said cylindrical cage (2), at least one recirculation means, access means, pumping means, and a multiplicity of delivery means, whereby both the apparatus and the method find particular application in the cleaning of soiled textile fabrics.
The invention provides an apparatus and method for use in the drying of substrates using a solid particulate material, the apparatus comprising: (a) housing means (1) having mounted therein a rotatably mounted cylindrical drum (2); (b) access means (15); and (c) at least one collection means (10), wherein said rotatably mounted cylindrical drum (2) additionally comprises capturing and transferring means, adapted to facilitate collection of said solid particulate material and transfer of said material to said at least one collection means (10). The invention also provides a method comprising treating the substrate with a solid particulate material at ambient or elevated temperature, said treatment being carried out using the apparatus of the invention. The apparatus and method find particular application in the drying of wet textile fabrics.
The invention discloses a method for treating an animal substrate comprising: agitating the moistened animal substrate with a treatment formulation and a solid particulate material in a sealed apparatus wherein the treatment formulation comprises a tanning agent or a tannery process agent. The method can comprise applying the tanning agent or tannery process agent to the animal substrate wherein at least some of the agent so applied originates from the treatment formulation. There is also disclosed an animal substrate obtained by the method. The treatment formulation can be aqueous.
D06P 7/00 - Procédés de teinture ou d'impression combinés avec un traitement mécanique
D06P 1/00 - Procédés généraux de teinture ou d'impression des textiles ou procédés généraux de teinture du cuir, des fourrures ou des substances macromoléculaires solides de toutes formes, classés selon les teintures, les pigments ou les substances auxiliaires utilisés
D06P 1/96 - Teinture caractérisée par un rapport de bain court
The invention discloses a method for treating an animal substrate comprising: agitating the moistened animal substrate with an aqueous treatment formulation and a solid particulate material in a sealed apparatus, wherein the aqueous treatment formulation comprises at least one colorant. There is also disclosed an animal substrate obtained by the method and finished leather goods obtained by the method.
D06P 7/00 - Procédés de teinture ou d'impression combinés avec un traitement mécanique
D06P 1/00 - Procédés généraux de teinture ou d'impression des textiles ou procédés généraux de teinture du cuir, des fourrures ou des substances macromoléculaires solides de toutes formes, classés selon les teintures, les pigments ou les substances auxiliaires utilisés
D06P 1/96 - Teinture caractérisée par un rapport de bain court
The invention provides a method and formulation for cleaning a soiled substrate, the method comprising the treatment of the moistened substrate with a formulation comprising a multiplicity of polymeric particles, wherein the polymeric particles comprise at least one antimicrobial agent. Preferably, the substrate is wetted so as to achieve a substrate to water ratio of between 1:0.1 to 1:5 w/w. Optionally, the formulation additionally comprises at least one additional cleaning agent, and in this embodiment, it is preferred that the polymeric particles are mixed with the at least one additional cleaning agent. Preferably, the additional cleaning material comprises a surfactant, which most preferably has detergent properties. Most preferably, the substrate comprises a textile fiber. Typically, the polymeric particles comprise particles of polyester or nylon, most preferably in the form of beads. The results obtained are very line with those observed when carrying out conventional aqueous cleaning processes and the method provides the significant advantage that the use of antimicrobial agents in or on the polymer bead greatly improves the overall hygiene in the washing machine by preventing mold and bacterial growth on the polymer particle surfaces, particularly at low temperatures.
B08B 1/00 - Nettoyage par des procédés impliquant l'utilisation d'outils
A01N 31/16 - Biocides, produits repoussant ou attirant les animaux nuisibles, ou régulateurs de croissance des végétaux, contenant des composés organiques de l'oxygène ou du soufre l'atome d'oxygène ou de soufre étant lié directement à un système cyclique aromatique avec plusieurs atomes d'oxygène ou de soufre liés directement au même système cyclique aromatique
The invention provides a method and formulation for cleaning a soiled substrate, the method comprising the treatment of the moistened substrate with a formulation comprising a multiplicity of polymeric particles, wherein the formulation is free of organic solvents. Preferably, the substrate is wetted so as to achieve a substrate to water ratio of between 1:0.1 to 1:5 w/w. Optionally, the formulation additionally comprises at least one cleaning material and, in this embodiment, it is preferred that the polymeric particles are coated with the at least one cleaning material. Preferably, the cleaning material comprises a surfactant, which most preferably has detergent properties. Most preferably, the substrate comprises a textile fiber. Typically, the polymeric particles comprise particles of nylon, most preferably in the form of nylon chips. The results obtained are very much in line with those observed when carrying out conventional dry cleaning processes and the method provides the significant advantage that the use of solvents, with all the attendant drawbacks in terms of cost and environmental considerations, can be avoided.
D06L 1/01 - Nettoyage à sec ou lavage des fibres, filaments, fils, filés, tissus, plumes ou articles fibreux utilisant uniquement des agents solides ou pâteux
Methods for cleaning at least one soiled substrate in a rotatably mounted cylindrical drum of a cleaning apparatus with a multiplicity of solid particles are provided. One method includes the steps of: agitating the at least one soiled substrate in the drum with wash liquor and the multiplicity of solid particles for a first cleaning cycle wherein the wash liquor includes at least one cleaning agent; draining the wash liquor from the cleaning apparatus; and introducing an aqueous non-detergent medium into the cleaning apparatus and agitating the at least one soiled substrate with the multiplicity of solid particles in the drum for a second cleaning cycle. Another method includes rotating the drum such that the at least one soiled substrate moves about a generally circular path and introducing the multiplicity of solid particles into the drum through an annulus defined by the generally circular path as the drum rotates.
D06F 33/02 - Commande d'une série d'opérations dans les machines à laver, p.ex. dispositifs de commande à programme pour les cycles de lavage et de séchage électrique
D06F 35/00 - Machines à laver, appareils ou méthodes non prévus ailleurs
D06F 39/02 - Dispositifs pour l'addition de savon ou autres agents de lavage
D06F 39/08 - Dispositions pour l’alimentation ou l’évacuation des liquides
Disclosed is a drum type laundry machine, including a casing, a control panel, an outer drum, an inner drum, a water inlet system, a water drainage system, a driving system, washing balls, a storage chamber disposed on the bottom of the outer drum, a circulation piping system connecting the storage chamber with the inner drum, and an outlet of the circulation pipe system leading to the inner drum and provided on an annular opening of the inner drum. The washing procedure of the laundry process described herein also includes a washing step while the washing balls circulate in the inner and outer drum, and a collecting step of the washing balls. The drum type laundry machine of the present invention can save water and electricity and can reduce pollution.
The invention provides a method for the cleaning of a soiled substrate, the method comprising treating the substrate with a non-polymeric solid particulate cleaning material and wash water, the treatment being carried out in an apparatus comprising a drum comprising perforated side walls and having a capacity of between 5 and 50 liters for each kg of fabric in the washload, wherein the solid particulate cleaning material comprises a multiplicity of non-polymeric particles at a particle to fabric addition level of 0.1:1-10:1 by mass, each of the particles being substantially cylindrical or spherical in shape, and wherein the drum comprising perforated side walls is rotated at a speed which generates G forces in the range of from 0.05 to 900 G. The non-polymeric particles may comprise particles of glass, silica, stone, wood, or any of a variety of metals or ceramic materials. Preferably the solid particulate cleaning material additionally comprises a multiplicity of polymeric particles each of which is substantially cylindrical or spherical in shape. Preferably, at least one detergent is employed in the cleaning process. The invention provides optimum cleaning performance as a result of improved mechanical interaction between substrate and cleaning media and is preferably used for the cleaning of textile fabrics. The method allows for significant reductions in the consumption of detergents, water and energy when compared with the conventional wet cleaning of textile fabrics, and also facilitates reduced washing-related textile fabric damage. The invention also envisages a cleaning composition comprising a solid particulate cleaning composition and at least one additional cleaning agent.
There is disclosed an apparatus and method for use in the cleaning of soiled substrates, the apparatus including housing means having a first upper chamber having mounted therein a rotatably mounted cylindrical cage and a second lower chamber located beneath the cylindrical cage; at least one recirculation means; access means; pumping means and a multiplicity of delivery means, wherein the rotatably mounted cylindrical cage includes a drum including perforated side walls wherein up to 60% of the surface area of the side walls includes perforations and the perforations include holes having a diameter of no greater than 25.0 mm. The method carried out by the apparatus involves cleaning a soiled substrate by treatment of the moistened substrate with a formulation including solid particulate cleaning material and wash water.
D06F 35/00 - Machines à laver, appareils ou méthodes non prévus ailleurs
D06F 23/02 - Machines à laver avec réceptacles, p. ex. perforés, et avec un mouvement rotatif, p. ex. oscillant, le réceptacle servant aussi bien pour le lavage que pour l'essorage centrifuge et tournant ou oscillant autour d'un axe horizontal
The invention provides a method and formulation for cleaning a soiled substrate, the method comprising the treatment of the moistened substrate with a formulation comprising a multiplicity of polymeric particles, wherein the formulation is free of organic solvents. Preferably, the substrate is wetted so as to achieve a substrate to water ratio of between 1:0.1 to 1:5 w/w. Optionally, the formulation additionally comprises at least one cleaning material and, in this embodiment, it is preferred that the polymeric particles are coated with the at least one cleaning material. Preferably, the cleaning material comprises a surfactant, which most preferably has detergent properties. Most preferably, the substrate comprises a textile fiber. Typically, the polymeric particles comprise particles of nylon, most preferably in the form of nylon chips. The results obtained are very much in line with those observed when carrying out conventional dry cleaning processes and the method provides the significant advantage that the use of solvents, with all the attendant drawbacks in terms of cost and environmental considerations, can be avoided.
brevets
