30results about "Composite leathers" patented technology

The present invention relates to an apparatus and method for finishing hides and flexible laminar materials in general. The present invention relates, in particular to, a laminating unit for the coupling of a flexible laminar material to a protective film and the laminating method associated therewith. The present invention also relates to a unit for separating the protective film from the flexible laminar material.

The present application relates to the leather technical field, specifically to a cool leather and its preparation process, the cool leather includes finishing layer and leather blank layer from surface layer to bottom layer, the raw material of finishing layer contains infrared reflection composition, the raw material of leather blank layer contains cool dye. The application of infrared reflection composition and cool dye in finishing layer and leather blank layer directly reduces the absorption of solar infrared radiation, reduces the temperature from the source, realizes the cool effect, reduces the temperature of leather surface and interior, reduces the material aging, hardening, cracking and other phenomena caused by high temperature, prolongs the service life of leather products.

The utility model relates to a moisture-proof cowhide material which comprises an upper cowhide layer and a lower cowhide layer which are sequentially arranged, two ends of the upper cowhide layer and the lower cowhide layer are fixedly sewed and connected, two ends of the upper cowhide layer and the lower cowhide layer are sequentially sewed and connected at equal intervals, and adjacent joints are spaced at equal intervals to form moisture-proof cavities capable of being opened. And a replaceable moisture-proof piece is arranged in the moisture-proof cavity, and the moisture-proof piece is inserted into the moisture-proof cavity, so that moisture can be prevented, and the probability of mildewing is reduced.

The present invention relates to an apparatus and method for finishing hides and flexible laminar materials in general. The present invention relates, in particular to, a laminating unit for the coupling of a flexible laminar material to a protective film and the laminating method associated therewith. The present invention also relates to a unit for separating the protective film from the flexible laminar material.

The invention relates to the field of cell culture. The invention specifically relates to culturing of cells such as fibroblasts to obtain collagen sheets, and to the collagen sheets that can be obtained by such culturing. The invention also relates to leather obtained by the tanning of such collagen sheets.

The ear cap production line is used for solving the technical problem of low production efficiency caused by low automation degree in the existing ear cap production process. The ear cap production line comprises a skin forming mechanism for forming a skin, a baking mechanism for baking the formed skin, a cooling mechanism for cooling the skin, a laser punching mechanism for punching the cooled skin, a high-frequency welding mechanism for welding the skin and the bottom skin, a double-sided adhesive tape bonding mechanism for bonding the double-sided adhesive tape to the skin, a mesh cloth bonding mechanism for bonding the mesh cloth to the skin, a jig for fixing the skin, and a jig return conveying belt for conveying the jig. The jig comprises a jig outer ring, a jig inner core and a jig aluminum sleeve. The skin forming mechanism, the baking mechanism, the cooling mechanism, the laser punching mechanism, the high-frequency welding mechanism, the double-sided adhesive tape bonding mechanism and the mesh cloth bonding mechanism are arranged on the side of the jig return conveying belt in sequence.

The application provides a process method for manufacturing simulated sheepskin by coating two-layer sheepskin with organic silicon, and the simulated sheepskin is composed of a surface layer, an intermediate layer, an adhesive layer and two-layer sheepskin, and the thickness ranges from 50 to 300 microns; the surface layer liquid silicone rubber contains branched chain slip agent; the intermediate layer is liquid silicone rubber with an elastic modulus lower than 2 Mpa; the adhesive layer liquid silicone rubber contains platinum catalyst with complex ligand, which can eliminate the interference of elements such as N and S in the protein of two-layer sheepskin and improve the adhesion; the simulated sheepskin of the application adopts a solvent-free coating process, and the equipment is simple and has good environmental protection; the simulated sheepskin prepared has soft hand feeling, good resilience and good slipperiness, and has good simulation effect.

A method for making an upgraded and embossed laminar supporting element, in particular leather, by applying several layers on the surface of the leather, including an aqueous base coat and a lacquer coat and partially removing water and / or solvent from said layers followed by embossing and optionally further drying.

The invention relates to a method for inserting a rigid material inlay into a part made of a flexible material, the method comprising the following steps: A preparation step (S01) of the flexible material part, including in particular a manufacturing step, on an external surface of the flexible material part, of a recess intended to receive the rigid material inlay, of a predetermined depth; A preparation step (S02) from a rigid material part, of the rigid material inlay, the thickness of the rigid material inlay being greater than the predetermined depth of the recess in the flexible material part; A step of applying (S03) an adhesive within the recess made on the external surface of the flexible material part and / or on the bonding surface of the rigid material inlay;A bonding step (S04) of the rigid material inlay within the recess formed on the external surface of the flexible material part; a reduction step (S05) of the thickness of the rigid material inlay. Fig. 1;

A method for producing a multilayer laminar product (6), comprising the operations of arranging a laminar support (1), covering a first face (1a) of the laminar support (1) with a first covering layer (2), consolidating, at least partially, this first covering layer (2). The method also provides for arranging a laminar element (4), covering a first face (4a) of the laminar element (4) with a second covering layer (3), consolidating the second covering layer (3), arranging above said laminar support (1) the laminar element (4) so that the first covering layer (2) and the second covering layer (3) are in contact with each other, pushing an embossed surface (107) against the first covering layer (2) and the second covering layer (3) with interposition of the laminar element (4) to imprint on the first covering layer (2) and on the second covering layer (3) the pattern of said embossed surface (107), and finally, after imprinting the pattern, causing the polymerization of the first covering layer (2) and of the second covering layer (3) to obtain a single stabilized covering layer (5).

The present disclosure concerns a module (100) for inline embossing of a leather product (1) comprising a leather support sheet (2) having a surface finish layer of one or more partially cured coating layers. The module comprises an application means (10) to apply a protective foil (4) onto the partially cured layer (3) to form a laminate (5). The module also comprises a pressure group (20) including an embossing roller (21) having an outer surface with a relief structure (22) so as to emboss a negative of the surface relief structure into the leather product, across the protective foil.

The invention relates to the technical field of leather, in particular to cool leather and a preparation process thereof.The cool leather sequentially comprises a coating layer and a leather blank layer from a surface layer to a bottom layer, raw materials of the coating layer contain an infrared reflection composition, and dyeing raw materials of the leather blank layer contain cool dye. The application of the infrared reflection composition and the cooling dye in the coating layer and the leather blank layer directly reduces the absorption of solar infrared radiation, reduces the temperature rise from the source, realizes the cooling effect, reduces the surface and internal temperature of the leather, reduces the phenomena of material aging, hardening, cracking and the like caused by high temperature, and prolongs the service life of the leather product.

The invention relates to the technical field of leather, in particular to odor-optimized leather, a preparation process and a leather blank wet dyeing and finishing process. The odor-optimized automobile leather sequentially comprises a coating layer, a leather blank layer, an odor absorption layer and an elastic layer from a surface layer to a bottom layer. Wherein the leather blank of the leather blank layer is processed and manufactured by a wet dyeing and finishing process, the leather blank layer realizes smell control in the whole process of the wet dyeing and finishing process, reduces the smell formed by combining chemical materials with leather fibers, gives consideration to the physical properties of leather and meets the authentication requirements of ecological leather, and the dyeing process is allocated to the two procedures of wet dyeing and finishing; one washing procedure is matched after each time of dyeing, the odor of the dye can be reduced, in addition, the two dyeing procedures can ensure that the leather blank is uniformly dyed and is not easy to fade, and the odor absorbing layer can absorb the odor volatilized in the automobile leather, so that the odor in a compartment is optimized.

A method for producing a multilayer laminar product includes the operations of providing a laminar support, covering a first face of the laminar support with a first covering layer in a polymer resin and consolidating, at least partially, the covering layer. The method further envisages providing, above the first covering layer, a laminar element free of any protective film. The method further envisages pushing an embossed surface against the first covering layer with interposition of the laminar element and causing the polymerization of the first covering layer.

The invention relates to a footwear comprising a footwear upper (FU) attached to a sole (S), the footwear upper comprising - at least one leather base layer (LBL) having a base layer top grain surface and - at least one leather attachment layer (LAL) having atop grain surface and a flesh- side surface, wherein the leather base layer (LBL) is glued to the leather attachment layer (LAL) with the base layer top grain surface facing the flesh-side ofthe leather attachment layer (LAL).

manufacturing recycled leather by using leather. In the present invention, a method for manufacturing leather using a resin and a substrate sheet is technically characterized by comprising the steps of: crushing scraps or waste products generated during the cutting or production of genuine leather to produce crushed leather particles; classifying the crushed leather particles by particle size or component; mixing the crushed leather particles with the resin used in the manufacture of the leather; and dissolving the crushed leather particles in a solvent, followed by filtration for use.

A method for the treatment of flexible laminar covers is described. One aspect includes selecting a low-quality material with a visible surface. A first layer of a first resin in a liquid state with a weight of a first predetermined value is deposited on the first surface. The resin is dried by applying a heat source to obtain an intermediate laminar semi-finished product, A second layer of a second resin in a liquid state with a weight of a second predetermined value is deposited on an active surface of a laminar support. The resin is dried by applying a heat source. The laminar support is coupled with the laminar semi-finished product so as to face the active surface to obtain a coupled sandwich. The sandwich is calendered by applying predetermined pressure and temperature. The sandwich is heated to a predetermined temperature so as to obtain a laminar finished product.

The invention provides a functional leather product, preferably for a glove or a shell of a glove having a capacitive, near field communication enabling perceptible and / or protective function, and a method for producing said leather product. The leather product comprises leather in form of a cut piece comprising at least in part a sandwich structure of at least two layers, wherein said sandwich structure comprises a first layer, which comprises an upper split leather obtained by at least partially splitting said cut piece of leather parallel to its upper surface at a predetermined cross-sectional depth of maximum about 4.95 mm, preferably 2.5 mm and a second layer comprising a functional layer, wherein the functional layer is attached at least in part to the first layer.

The utility model discloses aero seat genuine leather which comprises a flame-retardant leather blank layer, one side of the flame-retardant leather blank layer is coated with a bottom coating, and the outer side of the bottom coating is coated with a first flame-retardant antibacterial coating. According to the aero seat leather disclosed by the utility model, the flame-retardant leather blank layer and the flame-retardant antibacterial coating are used, so that the aero seat leather has good flame-retardant effect and antibacterial performance, and can meet the requirements of aviation interiors on the flame-retardant performance. And the flame-retardant antibacterial coating can provide a long-term antibacterial effect.

A functionalized material (10) comprising a first layer (110) of leather having a first face (116) and a second face (112), said first face being printed with conductive ink (140, 141) deposited in a predetermined pattern, configured to form at least one electronic component or to electrically connect at least one electronic component, the material further comprising a second layer (120), bonded to the first face of the first layer, so as to encapsulate the conductive ink. A method for manufacturing such a functionalized material and an article comprising such a functionalized material. Figure for the abstract: [Fig 2]

The invention relates to the field of cell culture. The present invention relates in particular to culturing cells, such as fibroblasts, to obtain collagen sheets, and to collagen sheets obtainable by such culturing. The invention also relates to leather obtained by tanning such collagen sheets.

The invention provides a functional leather product, preferably for a glove or a shell of a glove having a capacitive, near field communication enabling perceptible and / or protective function, and a method for producing said leather product. The leather product comprises leather in form of a cut piece (100) comprising at least in part a sandwich structure of at least two layers, wherein said sandwich structure comprises a first layer (110), which comprises an upper split leather obtained by at least partially splitting said cut piece (100) of leather parallel to its upper surface at a predetermined cross-sectional depth of maximum about 4,95 mm, preferably 2,5 mm and a second layer comprising a functional layer, wherein the functional layer (120) is attached at least in part to the first layer by attachment means. In a preferred embodiment the leather product can be used for shells of glove having a capacitive function, wherein the functional layer (120) is a conductive sheet and the maximum thickness of the upper split leather (110) is 0,5 mm.

The utility model relates to the technical field of leather processing, and discloses an automatic hot-pressing device for leather bonding, which comprises a support table, a moving plate, two guide plates, a pressing plate and a pressing plate, the moving plate is positioned above the support table, bottom plates are symmetrically arranged at the bottom of the moving plate, and the bottoms of the two bottom plates are fixedly connected with the guide plates; guide rails are symmetrically arranged on the upper surface of the supporting table. The position of the movable plate can be conveniently and effectively adjusted and moved through the arranged driving assembly, a worker can conveniently disassemble and replace the lower die through the arranged mounting assembly, the worker does not need to use tools such as bolts, the disassembly and assembly efficiency of the lower die is effectively improved, and the labor intensity of the worker is reduced. According to the leather bonding device, the working burden of workers is relieved, the overall practicability of the device is improved, the leather bonding effect can be further improved through the arranged auxiliary assembly, and the overall practicability of the device is further improved.

A method for processing an animal leather (P) or leather of animal origin comprising the steps for providing at least one leather to be processed and irradiation of the leather to be processed by means of UV rays. A station for processing a leather (P) comprising an inlet (21) for the leather (P) to be processed, an outlet (22) for the processed leather (P), at least one working area (11) for housing the leather (P) to be processed interposed between the inlet (21) and the outlet (22) and at least one source (40) of UV rays arranged at the working area (11).

The invention relates to the technical field of simulated cow leather preparation, in particular to a reduced regenerated cow leather material and a manufacturing process, the reduced regenerated cow leather material comprises a cow leather fiber layer, a mixed reinforcing layer connected with the cow leather fiber layer, and a PU film layer connected with the mixed reinforcing layer; wherein the mixed reinforcing layer is formed by intertwining and connecting superfine fibers (or other fibers) and cowhide fibers, and the cowhide fibers in the cowhide fiber layer and the mixed reinforcing layer are cowhide fibers obtained from regenerated cowhide materials. The superfine fibers in the mixed reinforcing layer are superfine fibers obtained from water-soluble figured sea-island fibers through a water decrement splitting method; the production process of the reduced regenerated cow leather material adopts a water decrement splitting method to perform splitting treatment on the water-soluble figured sea-island fiber base cloth. According to the method, green and environment-friendly manufacturing of the reduction type regenerated cowhide material is achieved, and the quality of the reduction type regenerated cowhide material is improved.

A leather-like material is disclosed composed of chitosan, bulk reinforcement agents such as microfibrillated cellulose, pigments, plasticizers, crosslinkers, and organic acids with properties making it suitable as a leather substitute material.