The present invention relates to leather fibers for product materials, physically extracted from cowhide, and more specifically, the leather fibers are easily obtained for each length so that there is an advantage in that the leather fibers having different lengths can be respectively used as materials more appropriately for various articles such as leather sheets or yarns.
The present invention relates to a leather waste-derived leather composite yarn of filament and spun yarns, more particularly, the composite yarn comprising aligned leather spun yarns, wherein the aligned leather spun yarns are bound more firmly by binding onto or insertion into the surfaces of polymer fibers.
The present invention relates to a long-short composite yarn comprising short fibers and long fibers and, more particularly, to a long-short composite yarn that has excellent uniformity by having the short fibers inserted into the long fibers.
Provided is leather fibers for use in yarn. The leather fibers forming the yarn are obtained from cowhide and a thickness index (M) of the leather fibers satisfies Equation 1:
Provided is leather fibers for use in yarn. The leather fibers forming the yarn are obtained from cowhide and a thickness index (M) of the leather fibers satisfies Equation 1:
M=D1/D2≤60 [Equation 1]
Provided is leather fibers for use in yarn. The leather fibers forming the yarn are obtained from cowhide and a thickness index (M) of the leather fibers satisfies Equation 1:
M=D1/D2≤60 [Equation 1]
where D1: average thickness of the 10 fibers having the highest thickness in 1 mg of leather fibers, and D2: average thickness of the 10 fibers having the lowest thickness in 1 mg of leather fibers.
The present invention relates to a filament-staple fiber composite yarn comprising polymer fibers and staple fibers. More specifically, the filament-staple fiber composite yarn is characterized by comprising: polymer fibers; and staple fibers bonded to the surface of the polymer fibers or inserted into the polymer fibers and selected from the group consisting of plant fibers, animal fibers, mineral fibers, and combinations thereof.
D02G 1/02 - Producing crimped or curled fibres, filaments, yarns or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e . by imparting false twist
D01G 11/00 - Disintegrating fibre-containing articles to obtain fibres for re-use
6.
METHOD FOR MANUFACTURING LONG FIBER-SHORT FIBER COMPOSITE YARN COMPRISING LONG FIBER AND SHORT FIBER
The present invention relates to a method for manufacturing long fiber-short fiber composite yarn comprising long fiber and short fiber. More particularly, the long fiber-short fiber composite yarn comprises long fiber and short fiber, which is bound onto the surface of the long fiber or is drawn into the long fiber and which is selected from the group consisting of vegetable fiber, animal fiber, mineral fiber and a combination thereof.
D02G 3/04 - Blended or other yarns or threads containing components made from different materials
D02G 1/16 - Producing crimped or curled fibres, filaments, yarns or threads, giving them latent characteristics using jets or streams of turbulent gases, e.g. air, steam
The present invention pertains to an apparatus for manufacturing a long-short composite yarn containing long fibers and short fibers. More specifically, the long-short composite yarn manufactured by the manufacturing apparatus is characterized by containing long fibers and short fibers bound to the surface of the long fibers or incorporated inside the long fibers, the short fibers being selected from the group consisting of vegetable fibers, animal fibers, mineral fibers, and combinations thereof.
D02G 3/04 - Blended or other yarns or threads containing components made from different materials
D02G 1/16 - Producing crimped or curled fibres, filaments, yarns or threads, giving them latent characteristics using jets or streams of turbulent gases, e.g. air, steam
The present invention relates to a fabric comprising a filament-staple fiber composite yarn. More specifically, the filament-stable fiber composite yarn comprises filaments and staple fibers, wherein the staple fibers are inserted into the filaments, so that the filament-stable fiber composite yarn exhibits excellent evenness and a fabric manufactured therefrom has excellent processability and appearance.
D03D 15/20 - Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
9.
COLLAGEN PROTEIN FIBERS HAVING EXCELLENT HYDROTHERMAL STABILITY, MANUFACTURED FROM LEATHER WASTE, AND MANUFACTURING METHOD THEREOF
KOREA INSTITUTE OF MATERIALS CONVERGENCE TECHNOLOGY (Republic of Korea)
Inventor
Kim, Ji Eon
Choi, Bong Jin
Rew, Seung Woo
Jung, Jun Ho
Kim, Myung Keun
Lee, Sang Chul
Shin, Eun Chul
Kim, Gwan Yong
Kim, Yeong Woo
Jeong, Deuk Jun
Abstract
The present invention relates to collagen protein fibers having excellent hydrothermal stability, manufactured from leather waste, and a manufacturing method thereof, and, more specifically, is characterized in that when the collagen protein fibers are manufactured, polyvinyl alcohol and chitosan are mixed into collagen protein, the mixture is coagulated, crosslinked, dried, and heat-treated, resulting in collagen protein fibers having excellent hydrothermal stability.
D01F 8/02 - Conjugated, i.e. bi- or multicomponent, man-made filaments or the likeManufacture thereof from cellulose, cellulose derivatives, or proteins
KOREA INSTITUTE OF MATERIALS CONVERGENCE TECHNOLOGY (Republic of Korea)
Inventor
Kim, Ji Eon
Choi, Bong Jin
Rew, Seung Woo
Jung, Jun Ho
Kim, Myung Keun
Lee, Sang Chul
Shin, Eun Chul
Kim, Gwan Yong
Kim, Yeong Woo
Jeong, Deuk Jun
Abstract
The present invention relates to a method with a smooth spinning process for producing protein-containing fibers and protein-containing fibers produced thereby. More specifically, the method for producing protein-containing fibers comprises: melting collagen protein in an organic acid solution; adding a coagulation solution to produce protein fibrids; grinding the protein fibrids to produce protein powder; mixing a polymer to the protein powder to produce protein-containing master batch chip; and mixing in a polymer to the protein-containing master batch chip and melt-spinning to produce protein-containing fibers. As such, the smooth spinning process during production allows complication-free production of protein-containing fibers.
D01F 8/02 - Conjugated, i.e. bi- or multicomponent, man-made filaments or the likeManufacture thereof from cellulose, cellulose derivatives, or proteins
Provided is a leather fiber for leather spun yarn with improved physical properties of the leather spun yarn by containing leather fibers with more improved length, thickness, fineness, and the like than conventional leather fibers, in which the leather fiber has an average length of 15 mm or more and 40% or more of the content of fibers of more than 15 mm in the leather fibers for the leather spun yarn contained in the leather spun yarn.
Provided is leather spun yarn with improved physical properties of the leather spun yarn by containing leather fibers longer than conventional leather fibers, in which the leather fiber has an average length of 15 mm or more and 40% or more of the content of fibers of more than 15 mm, in the leather fibers for the leather spun yarn contained in the leather spun yarn formed by containing the leather fibers and synthetic fibers.
Provided is a leather fiber for leather spun yarn with improved physical properties of the leather spun yarn by containing leather fibers with more improved length, thickness, fineness. The leather fiber has an average length of 15 mm or more and 40% or more of the content of fibers of more than 15 mm, in the leather fibers for the leather spun yarn contained in the leather spun yarn formed by containing the leather fibers and natural fibers or/and regenerated fibers.
The present invention relates to product material leather fabrics physically extracted from cowhide and, more specifically, the leather fabrics are easily obtained by length, and thus leather fabrics having different lengths can be more suitably used as materials for various products such as leather sheets or yarns.
C14B 7/04 - Composite leathers by cementing or pressing together leather pieces, strips, or layersReinforcing or stiffening leather by means of reinforcing layers
C14B 7/06 - Leather webs built up of interengaged strips or pieces, e.g. by braiding
D02G 3/04 - Blended or other yarns or threads containing components made from different materials
Provided are leather fibers for yarn. The leather fibers forming the yarn are obtained from cowhide. An amount of the leather fibers having an H value of 30 or more is 30% by weight or more of a total leather fibers contained in the yarn. The H value is defined by the following Equation 2: [Equation 2] H=L/D where L: leather fiber length, and D: leather fiber thickness. A thickness index (M) of the leather fibers satisfies Equation 1: [Equation 1] M=D1/D2≤60 where D1: an average thickness of 0 fibers having a highest thickness in 1 mg of leather fibers, and D2: an average thickness of 10 fibers having a lowest thickness in 1 mg of leather fibers.
Flame retardant fiber threads and yarns; semi-synthetic
fiber thread and yarn [chemically treated natural fiber
yarn]; woollen thread and yarn; spun thread; thread; colored
threads; worsted yarn; thread for decoration; mixed thread
and yarn containing regenerated leather; regenerated fiber
thread and yarn; shoemaker's thread and yarn; semi-synthetic
fiber thread and yarn for textile use; textile yarns; yarn
and thread for textile purposes; regenerated fiber thread
and yarn for textile use; covered rubber thread and yarn for
textile use; twisted mixed thread and yarn; mixed thread and
yarn; mixed spun threads and yarns; chemical fiber base
mixed thread and yarn.
Flame retardant fiber threads and yarns; semi-synthetic fiber thread and yarn in the nature of chemically treated natural fiber yarn; woollen thread and yarn; spun thread; thread; colored threads; worsted yarn; thread for decoration; mixed thread and yarn containing regenerated leather; regenerated fiber thread and yarn; shoemaker's thread and yarn; semi-synthetic fiber thread and yarn for textile use; textile yarns; yarn and thread for textile purposes; regenerated fiber thread and yarn for textile use; covered rubber thread and yarn for textile use; twisted mixed thread and yarn; mixed thread and yarn; mixed spun threads and yarns; chemical fiber base mixed thread and yarn; all of the foregoing made in substantial part of leather
The present invention relates to leather fiber for leather spun yarn, the leather fiber being included in leather spun yarn comprising leather fiber and synthetic fiber and, to leather spun yarn, wherein the leather fiber has an average length of 15 mm or more, the amount of fiber having a length of more than 15 mm is 40% or more, and leather fiber longer than conventional leather fiber is included, and thus the physical properties of leather spun yarn are improved.
Worked or semi-worked hides and other leather; furniture
coverings of leather; bags; leather; leather straps; leather
in the form of fabric; labels of leather; boxes made of
leather; leather purses; business card cases; imitation
leather sold in bulk; briefcases; leather for shoes; leather
for sports shoes; imitation leather; leather for car
interiors; reconstituted leather; recycled leather; natural
leathers; handbags. Retail store services in the field of fabrics for furniture
and sofa upholstery; wholesale store services in the field
of recycled leather fabric covers for furniture; retail
store services in the field of bags; retail store services
in the field of leather; wholesale store services in the
field of key wallet made of leather or artificial leather;
retail store services in the field of travelling leather
bags; retail store services in the field of ornaments of
leather; advertising on signboards; advertising services;
administrative processing of purchase orders; marketing
services; retail store services in the field of hats;
commercial intermediary services in the field of footwear;
retail store services in the field of clothing; promoting
the goods and services of others by means of operating an
on-line comprehensive shopping mall; advertising and
providing commercial information services via the Internet;
wholesale store services in the field of reconstituted
leather; wholesale store services in the field of blended
yarn containing recycled leather; commercial intermediary
services in the field of recycled leather.
22.
LEATHER FIBER FOR LEATHER SPUN YARN HAVING IMPROVED PHYSICAL PROPERTIES
The present invention relates to a leather fiber for leather spun yarn, which is contained in leather spun yarn, wherein the leather fiber has an average length of 15 mm or more, the amount of fiber having a length of more than 15 mm is 40% or more, and leather fiber, which has a length, a thickness, a strength, a fineness and the like that are superior to those of a conventional leather fiber, is included to improve the physical properties of the leather spun yarn.
C14B 7/04 - Composite leathers by cementing or pressing together leather pieces, strips, or layersReinforcing or stiffening leather by means of reinforcing layers
C14B 7/06 - Leather webs built up of interengaged strips or pieces, e.g. by braiding
D02G 3/04 - Blended or other yarns or threads containing components made from different materials
23.
LEATHER FIBER FOR SPUN LEATHER YARN WITH IMPROVED PHYSICAL PROPERTY
The present invention relates to leather fibers for leather-spun yarns, which are included in the leather-spun yarns formed of leather fibers and natural fibers and/or regenerated fibers, wherein the leather fibers have an average length of 15 mm or longer, with the fibers longer than 15 mm amounting to a content of 40% or more, whereby an improvement is brought about in the physical properties of the leather-spun yarns comprising leather fibers that have improved length, thickness, strength, fineness, etc., compared to conventional leather fibers.
Worked or semi-worked hides and other leather; adhesive furniture coverings of leather; bags; leather; leather straps; leather to use as a fabric; labels of leather; boxes made of leather; leather purses; business card cases; imitation leather sold in bulk; briefcases; leather for shoes; leather for sports shoes; imitation leather; leather for car interiors; reconstituted leather; recycled leather; natural leathers; handbags Retail store services in the field of fabrics for furniture and sofa upholstery; wholesale store services in the field of recycled leather fabric covers for furniture; retail store services in the field of bags; retail store services in the field of leather; wholesale store services in the field of key wallet made of leather or artificial leather; retail store services in the field of travelling leather bags; retail store services in the field of ornaments of leather; advertising on signboards; advertising services; administrative processing of purchase orders; marketing services; retail store services in the field of hats; commercial intermediary services relating to the matching of various professionals with clients in the field of footwear; retail store services in the field of clothing; promoting the goods and services of others by means of operating an on-line comprehensive shopping mall with links to the retail web sites of others; advertising and providing commercial information services via the Internet; wholesale store services in the field of reconstituted leather; wholesale store services in the field of blended yarn containing recycled leather; commercial intermediary services relating to the matching of various professionals with clients in the field of recycled leather
25.
METHOD FOR PREPARING SPUN LEATHER YARN USING LEATHER FIBER, AND SPUN LEATHER YARN PREPARED ACCORDING TO PREPARATION METHOD
Disclosed are a method for preparing spun leather yarn using leather fiber, and spun leather yarn prepared according to the preparation method. The spun leather yarn prepared according to the preparation method enables the manufacture of fabrics, knitted goods, and lace goods, which have the character of leather, and thus can be effectively used for various fashion applications. In addition, the spun leather yarn can replace existing leather materials, which have been used in bags, athletic shoes, and the like, and thus is not affected by material supply in accordance with seasonal changes, and accordingly, the economic effect thereof is excellent. Moreover, the spun leather yarn has warmth retention and general flame retardancy, which are the properties of natural leather, and thus is of very high quality.
D02G 3/06 - Threads formed from strip material other than paper
D02G 1/02 - Producing crimped or curled fibres, filaments, yarns or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e . by imparting false twist
An apparatus for dry-manufacturing recycled leather comprises air-laid material; and recycled leather manufactured using the apparatus for dry-manufacturing recycled leather. The apparatus for dry-manufacturing recycled leather molds leather fibers and general fibers, which are mixed using air-laid material, and thus a conventional carding process is not required, and recycled leather manufactured thereby has a high tensile strength.
C14B 7/04 - Composite leathers by cementing or pressing together leather pieces, strips, or layersReinforcing or stiffening leather by means of reinforcing layers
B29C 43/00 - Compression moulding, i.e. applying external pressure to flow the moulding materialApparatus therefor
D04H 1/492 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres by fluid jet
D04H 1/732 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged by fluid current, e.g. air-lay
The present invention relates to a leather fiber for spun yarn, wherein the leather fiber forming spun yarn is a leather fiber extracted from cattle leather and the physical properties of the spun yarn can be improved by using technology for screening leather and separating leather fibers to obtain leather fibers.
Disclosed are a method for preparing spun leather yarn using leather fiber, and spun leather yarn prepared according to the preparation method. The spun leather yarn prepared according to the preparation method enables the manufacture of fabrics, knitted goods, and lace goods, which have the character of leather, and thus can be effectively used for various fashion applications. In addition, the spun leather yarn can replace existing leather materials, which have been used in bags, athletic shoes, and the like, and thus is not affected by material supply in accordance with seasonal changes, and accordingly, the economic effect thereof is excellent. Moreover, the spun leather yarn has warmth retention and general flame retardancy, which are the properties of natural leather, and thus is of very high quality.
D02G 3/06 - Threads formed from strip material other than paper
D01G 13/00 - Mixing, e.g. blending, fibresMixing non-fibrous materials with fibres
D01G 11/00 - Disintegrating fibre-containing articles to obtain fibres for re-use
D01G 15/00 - Carding machines or accessoriesCard clothingBurr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
D02G 1/02 - Producing crimped or curled fibres, filaments, yarns or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e . by imparting false twist
Leather and imitations of leather; leather; leather straps; leather cord; leathercloth; leather, unworked or semi-worked; imitation leather sold in bulk; semi-worked fur; butts being parts of hides; skins of chamois, other than for cleaning purposes; cattle skins; animal skins hides; skins and hides; sponge leather; leather for shoes; raw skins; rawhides; imitation leather; natural leathers; polyurethane leather
30.
RECYCLED LEATHER, AND APPARATUS FOR DRY-MANUFACTURING RECYCLED LEATHER
C14B 7/04 - Composite leathers by cementing or pressing together leather pieces, strips, or layersReinforcing or stiffening leather by means of reinforcing layers
An apparatus for treating leather waste includes: a main body having an inlet and an outlet; a sorting unit rotatably installed in the main body and comprising a plurality of treatment parts having processing components to sort leather inserted into the main body through the inlet; and a power unit configured to rotate the sorting unit.
B02C 18/14 - Disintegrating by knives or other cutting or tearing members which chop material into fragmentsMincing machines or similar apparatus using worms or the like with rotating knives within horizontal containers
B02C 23/16 - Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
B02C 23/30 - Passing gas through crushing or disintegrating zone the applied gas acting to effect material separation
B02C 18/00 - Disintegrating by knives or other cutting or tearing members which chop material into fragmentsMincing machines or similar apparatus using worms or the like
A method for manufacturing a breathable hybrid leather includes: a raw material supply step of supplying the natural leather of recycled leather; a step of applying a hot-melt adhesive to the upper surface of the leather raw material; a bonding step of supplying a fabric to the upper surface of the adhesive layer and applying heat and pressure to the leather raw material, the adhesive layer, and the fabric to obtain a bonded fabric; and a step of ironing and coating the bonded fabric a plurality of times.
C14B 7/04 - Composite leathers by cementing or pressing together leather pieces, strips, or layersReinforcing or stiffening leather by means of reinforcing layers
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
B32B 5/18 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by features of a layer containing foamed or specifically porous material
B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
B32B 5/24 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous one layer being a fibrous or filamentary layer
B32B 37/12 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
A method of preparing recycling leather sheets comprise: pre-processing where leather wastes are neutralized and fatliquoring agents are adhered; separating leather fibers from the leather wastes that has undergone the pre-processing; mixing the separated leather fibers with fibers for improving a tensile strength of the separated leather fibers; and forming sheets by combining the mixed leather fibers and raw fabrics for floor. The method of preparing recycling leather sheets in the present invention may reduce environmental pollution by preparing recycling leather sheets through physical combination without using adhesives.
C14B 1/06 - Fleshing, unhairing, samming, stretching-out, setting-out, shaving, splitting, or skiving skins, hides, or leather using slicking, scraping, or smoothing-out cylinders or blades fixed on supports, e.g. cylinders, in a plane substantially at right angles to the working surface in machines in which the working piece is maintained in contact with the working tools solely by means of rolls
worked or semi-worked hides and other leather, bags, leather, leather thread, boxes made of leather, leather purses, business card cases, imitation leather sold in bulk, backpacks, briefcases, imitation leather, natural and imitation leather for used in car interiors, handbags
35.
METHOD FOR PRODUCING RECYCLED LEATHER SHEET BY USING LEATHER FIBERS
The present invention relates to a method for producing a recycled leather sheet and, particularly, to a method for producing a recycled leather sheet from leather waste. The method for producing a recycled leather sheet by using leather fibers comprises the steps of: performing a pre-treatment process for neutralizing leather waste and attaching a fatliquoring agent thereto; separating leather fibers from the leather waste which has been subjected to the pre-treatment process; blending the separated leather fibers with fibers for improving the tensile strength of the separated leather fibers; and bonding the blended fibers to a base fabric to form a sheet. As described above, the method for producing a recycled leather sheet according to the present invention can be used to produce a recycled leather sheet through physical bonding without using an adhesive, thereby minimizing environmental pollution.
