Abrégé

The present invention relates to a mould arrangement including a loose sintered metal mould (10, 20) having a front or moulding side (13) and an opposite rear side (14), the rear side (14) being secured to a base plate (16), wherein the base plate (16) includes a plurality of elongated channels (17, 18) including at least one suction channel (17) for delivering suction pressure to the mould (10, 20) via at least one transversally directed suction opening (170), and at least one of said channels (18) includes a heating rod (53).

Classes IPC  ?

• D21J 3/00 - Fabrication d'articles par pressage d'une pâte fibreuse humide ou de papier mâché, entre des moules

Abrégé

A packaging container (100, 200, 300) consists substantially of a cellulose fibre material made from stock and includes a tray and a lid. In a locking mechanism of the container a portion of one of said tray and lid is a male member (124, 224, 324, 424) and a portion of another one of said tray and lid is a female member (126, 226, 326, 426). The male member has a first surface (120', 121 '), and the female member has a second surface (104b', 105b'), said surfaces engage one another in the closed container and have an extension along at least a section of the circumference of the container. The locking mechanism satisfies one or both of the following conditions, namely a) that the intersection between I: the lines of intersection between said first and second fibre material surfaces and a first vertical plane, which is a radial plane and II: a vertical plane which is perpendicular to said first vertical plane, form a wedge angle (β), causing the fibre material surfaces of the male and female members to engage one another in the mode of a clutch coupling when contacted, and b) that the frictional drag between the surfaces of the male and female members in their closing positions is enhanced by a spring force and a normal force developed between the male and female members during the closing operation.

Classes IPC  ?

• B65D 1/26 - Réceptacles à parois minces, p. ex. formées par étirage
• B65D 43/04 - Couvercles ou chapeaux amovibles ayant une partie ou des parties s'engageant dans l'ouverture du réceptacle et retenus par friction ou pesanteur

Abrégé

The present invention relates to a permeable suction mould arranged to support a fibrous product during application of a surface film onto a surface of said fibrous product, said mould including suction carrying structure for delivery of suction to the mould surface wherein said suction carrying structure is formed by a porous structure in a sintered material.

Classes IPC  ?

• D21J 5/00 - Fabrication d'articles creux par transfert des feuilles produites à partir de suspensions de fibres ou de papier mâché, par aspiration sur des moules en treillis métalliques, vers une forme de pressage garnie de feutre
• B29C 51/10 - Formage par une différence de pression, p. ex. sous vide
• B32B 29/04 - Produits stratifiés composés essentiellement de papier ou de carton adjacent à une couche particulaire
• B65D 1/34 - Plateaux ou réceptacles analogues peu profonds
• B65D 25/14 - Garnitures ou revêtements internes
• D21J 3/00 - Fabrication d'articles par pressage d'une pâte fibreuse humide ou de papier mâché, entre des moules

Abrégé

The present invention relates to a method of producing a moulded fibrous product 5, said method comprising providing a moulded, hot-pressed and dried fibrous product formed from an aqueous pulp suspension11 in a vat 12, said product 5 having a surface 50 intended to face upward in use of the product 5; covering the surface 50 of at least a first side of the product 5 with a surface barrier material 45 applied in liquid form; and drying the product 5 and the applied surface barrier material 45 to produce a moulded fibrous product 5 having a surface barrier 46; wherein a porous mould 10, 20 is provided for supporting the product 5 during the application of the surface barrier material 45; and suction is applied through the pores of the mould10, 20 to get a self-healing effect of the liquid barrier material 45 applied on the product 5, whereby the liquid surface barrier material 45 spreads on the surface 50 to fill any possible areas that need more of the liquid surface barrier material 45, so that a moulded fibrous product having a tight surface barrier 46 will be produced.

Classes IPC  ?

• D21H 23/50 - Pulvérisation ou projection
• B65D 1/34 - Plateaux ou réceptacles analogues peu profonds
• B65D 25/14 - Garnitures ou revêtements internes
• D21J 3/00 - Fabrication d'articles par pressage d'une pâte fibreuse humide ou de papier mâché, entre des moules

Abrégé

A pulp mould, comprising a porous sintered body (11) having a permeable moulding outer surface (13) and an inner, permeable surface (12),wherein a heating device (4) is arranged within said sintered body (11), and wherein said body (11) preferably is arranged on a base plate (50) wherein said heating device (40) is integrally arranged within said sintered body (11), by means of sintering necks adjoining the heating device (40), with the sintered body (11).

Classes IPC  ?

• D21J 3/00 - Fabrication d'articles par pressage d'une pâte fibreuse humide ou de papier mâché, entre des moules
• B22F 3/10 - Frittage seul
• B22F 5/00 - Fabrication de pièces ou d'objets à partir de poudres métalliques caractérisée par la forme particulière du produit à réaliser

Abrégé

The application discloses a base plate comprising a rigid body portion (50), means (51, 52', 52") arranged within the rigid body portion (50) to enable vacuum to be applied. The vacuum means comprise an open space (51) in the form of a centrally positioned recess forming a vacuum chamber (51) within the rigid body portion (50) and at least one connecting channel portion (52', 52") that extends in the main plane of the rigid body portion (50) arranged to connect the vacuum chamber (51) with a vacuum source (52). An assembly comprising the base plate and a pulp mould, as well as methods for producing the base plate and the assembly, are also disclosed.

Classes IPC  ?

• D21J 3/00 - Fabrication d'articles par pressage d'une pâte fibreuse humide ou de papier mâché, entre des moules

Abrégé

Pulp mould, comprising a porous sintered body (11) having an outer surface(13) and an inner surface (12) wherein a limited area (14) of said inner surface (12) is machined providing a machined surface (14), surrounding an unmachined portion of said inner surface (12).

Classes IPC  ?

• D21J 3/00 - Fabrication d'articles par pressage d'une pâte fibreuse humide ou de papier mâché, entre des moules
• B22F 3/10 - Frittage seul
• B22F 5/00 - Fabrication de pièces ou d'objets à partir de poudres métalliques caractérisée par la forme particulière du produit à réaliser

Abrégé

A pulp mould, comprising a porous sintered body (11) having an outer surface (13) and an inner surface (12), wherein a portion (11B) of said mould comprises an area (16) at its outer periphery provided with means (16A; 47) integrated during sintering to achieve impermeability of said outer area (16).

Classes IPC  ?

• D21J 3/00 - Fabrication d'articles par pressage d'une pâte fibreuse humide ou de papier mâché, entre des moules
• B22F 3/10 - Frittage seul
• B22F 5/00 - Fabrication de pièces ou d'objets à partir de poudres métalliques caractérisée par la forme particulière du produit à réaliser

Abrégé

The present invention relates to a tank assembly for making fibre products from stock comprising a stock vat, a main tank (2, 103, 202), at least one inlet (20, 21, 111, 216) to said main tank from said stock vat, and an outlet (22, 113, 217) from said main tank. The tank assembly further comprises at least one mould tank (3, 102, 203, 204) having at least one inlet (37, 114, 218, 219) at its bottom connected to the inlet to said main tank and an outlet (4, 116, 221, 223) connected to said main tank so that stock from the mould tank is arranged to flow into said main tank and in that the horizontal cross- sectional area at the top of said mould tank is larger than the horizontal cross-sectional area at the bottom of said mould tank.

Classes IPC  ?

• D21J 7/00 - Fabrication d'articles creux à partir de suspensions de fibres ou de papier mâché, par dépôt de fibres dans ou sur un moule en treillis métallique
• D21J 3/00 - Fabrication d'articles par pressage d'une pâte fibreuse humide ou de papier mâché, entre des moules

Abrégé

The invention relates to a device in connection with a palette (8, 9, 22, 23) conveyor (1) in the production of moulded pulp or vacuum- formed packagings, which device comprises a track for the transporting of packaging blanks (2) from a dryer, and at least one transporting palette for said track, which transporting palette has at least one packaging holder (18) with means (19) for cutting the packaging blanks arranged thereon. The track is provided with at least two working stations (10, 11, 12) of which one comprises said station (10) for cutting the packaging blanks carried by the palette (8, 9, 22, 23), which packaging blanks (2) remain on said palette during treatment in at least one additional working station (11, 12).

Classes IPC  ?

• B31B 1/74 - Opérations auxiliaires
• B26D 7/27 - Moyens pour exécuter d'autres opérations en combinaison avec la coupe
• B29C 51/32 - Moules comportant des moyens de découpage

Abrégé

The invention relates to a forming tool 1 for forming fibre products. The forming tool according to the invention comprises a permeable shell 3 with an internal cavity 5 that is filled with loose objects 6 such as spheres. The cavity 5 is enclosed by the shell 3 and a permeable cover 7.

Classes IPC  ?

• D21J 7/00 - Fabrication d'articles creux à partir de suspensions de fibres ou de papier mâché, par dépôt de fibres dans ou sur un moule en treillis métallique

Produits et services

Machines and machine tools for moulding paper and cardboard.

Produits et services

(1) Material treatment of paper and cardboard, namely moulding. (2) Scientific and technological services and research and design relating to treatment of cardboard and paper.