US20040151936A1 - Leather laminated decorative panel - Google Patents
Leather laminated decorative panel Download PDFInfo
- Publication number
- US20040151936A1 US20040151936A1 US10/762,104 US76210404A US2004151936A1 US 20040151936 A1 US20040151936 A1 US 20040151936A1 US 76210404 A US76210404 A US 76210404A US 2004151936 A1 US2004151936 A1 US 2004151936A1
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- United States
- Prior art keywords
- laminate
- layer
- leather
- substrate
- press
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/02—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising animal or vegetable substances, e.g. cork, bamboo, starch
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B9/06—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/06—Embossing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/02—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising animal or vegetable substances, e.g. cork, bamboo, starch
- B32B9/025—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising animal or vegetable substances, e.g. cork, bamboo, starch comprising leather
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C5/00—Processes for producing special ornamental bodies
- B44C5/04—Ornamental plaques, e.g. decorative panels, decorative veneers
- B44C5/0469—Ornamental plaques, e.g. decorative panels, decorative veneers comprising a decorative sheet and a core formed by one or more resin impregnated sheets of paper
- B44C5/0492—Ornamental plaques, e.g. decorative panels, decorative veneers comprising a decorative sheet and a core formed by one or more resin impregnated sheets of paper containing wooden elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44F—SPECIAL DESIGNS OR PICTURES
- B44F9/00—Designs imitating natural patterns
- B44F9/12—Designs imitating natural patterns of leather
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- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14B—MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES
- C14B7/00—Special leathers and their manufacture
- C14B7/02—Composite leathers
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14B—MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES
- C14B7/00—Special leathers and their manufacture
- C14B7/02—Composite leathers
- C14B7/04—Composite leathers by cementing or pressing together leather pieces, strips or layers, Reinforcing or stiffening leather by means of reinforcing layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B2038/0052—Other operations not otherwise provided for
- B32B2038/0076—Curing, vulcanising, cross-linking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
- B32B2309/02—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
- B32B2309/04—Time
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
- B32B2309/12—Pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2317/00—Animal or vegetable based
- B32B2317/08—Natural leather
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2317/00—Animal or vegetable based
- B32B2317/12—Paper, e.g. cardboard
- B32B2317/125—Paper, e.g. cardboard impregnated with thermosetting resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2607/00—Walls, panels
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
- Y10T156/1039—Surface deformation only of sandwich or lamina [e.g., embossed panels]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/1348—Cellular material derived from plant or animal source [e.g., wood, cotton, wool, leather, etc.]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/4935—Impregnated naturally solid product [e.g., leather, stone, etc.]
Definitions
- the present invention relates to thermally fused decorative laminates in general and, more particularly, to thermally fused decorative panels having a leather or leather-like material as a decorative layer.
- the present invention relates to a method for manufacturing the same.
- Thermally fused decorative panels are often used in the construction of cabinetry, furniture, and other building products. There is considerable consumer demand for thermally fused decorative panels in a wide variety of colors, patterns, and textures.
- Natural leather is another popular material used in the construction of furniture and other applications. Leather is generally perceived as a quality material used in high-end applications. Unfortunately, leather and other natural skins can be difficult to work with because of size limitations, shrinkage, natural imperfections, etc. It would be useful, therefore, to provide a product that facilitates the incorporation of leather into applications including furniture, cabinetry, and the like.
- a heat and pressure consolidated laminate (“thermally fused decorative panel”) that comprises in superimposed relationship a decorative layer consisting essentially of a leather material, an underlay layer, a substrate, and an optional backer layer.
- the substrate has a first surface and a second surface opposite one another.
- the underlay layer includes one or more cellulosic sheets impregnated with a thermosetting resin, and is disposed between the decorative layer and the first layer of the substrate.
- the backer layer includes one or more cellulosic sheets impregnated with a thermosetting resin, and is disposed contiguous with the second surface of the substrate.
- the decorative layer includes a leather material.
- the “leather” referred to herein is an animal hide and is not limited to any particular type of animal.
- the leather material is bonded leather.
- the term “bonded leather” as used herein refers to a leather product that comprises leather shavings made from scrap and/or recycled leather. The shavings are processed into a sheet product using bonding agents. Bonded leather is commercially available and will not, therefore, be further described herein.
- a leather sheet thickness in the range of about 0.2 mm to about 4.0 mm is acceptable for most applications.
- a sheet thickness of about 0.2 mm to about 0.8 mm has particular utility.
- leather with an embossed finished surface can be used, it is preferable to use leather that initially has a smooth surface. Textures and other design features can be imparted to the laminate during the manufacturing process as will be explained in greater detail below.
- the present leather laminated decorative panel further includes an overlay disposed on the side of the decorative leather sheet opposite the substrate.
- the leather laminated decorative panel includes a second decorative leather layer in place of the backer layer.
- FIG. 1 is a diagram illustrating the superimposed constituent layers of the present leather laminated decorative panel.
- FIG. 2 is the present leather laminated decorative panel shown in FIG. 1, now including an overlay layer.
- FIG. 3 is a diagram illustrating the superimposed constituent layers of the present leather laminated decorative panel, including a second decorative layer in place of the backing layer.
- the present invention leather laminated decorative panel is generally represented by reference numeral 10 .
- the leather laminated decorative panel 10 includes a decorative layer 12 , an underlay 16 , a substrate 14 , and an optional backer layer 18 .
- the decorative layer 12 includes a leather material as described above.
- a leather sheet thickness in the range of about 0.2 mm to about 4.0 mm is acceptable for most applications.
- a sheet thickness of about 0.2 mm to 0.8 mm has particular utility.
- the underlay layer 16 is of known construction, consisting of paper, woven fabrics, mats, felts, or the like.
- the preferred underlay layer 16 consists of one or more cellulosic sheets impregnated with a laminating resin. Any of the conventional laminating resins commonly used for an underlay layer 16 , such as a phenolic, melamine, amino, epoxy, and polyester resin, to name a few, may be used to impregnate the underlay 16 .
- the preferred laminating resin for the underlay sheets is a beta-staged melamine formaldehyde resin. Resins of this type can be purchased commercially or prepared according to conventional procedures.
- the underlay layer 16 may be eliminated by utilizing a thermally activated backer attached to the surface of the decorative leather layer facing the substrate 14 .
- leather material utilizing a thermally activated backer is commercially available.
- the substrate 14 includes a first surface 20 and a second surface 22 , opposite one another.
- the material comprising the substrate 14 can be varied to suit the application.
- Acceptable substrate materials include particle board, fiber board, plywood, or the like having surfaces to which the underlay resin and backing sheet resin can bond.
- the surfaces 20 , 22 preferably are smooth.
- a preferred substrate material for many applications is medium density fiberboard (“MDF”).
- the backer layer 18 is of known construction, consisting of paper, woven fabrics, mats, felts, or the like.
- the preferred backer layer 18 consists of one or more cellulosic sheets impregnated with a laminating resin such as a melamine formaldehyde type resin. Backing sheets of this type can be purchased commercially or prepared according to conventional procedures.
- the present leather laminated decorative panel 10 further includes an overlay 24 disposed on the side of the leather decorative layer 12 opposite the underlay layer 16 and substrate 14 .
- the overlay 24 may, for example, consist of a high-quality alpha cellulose paper impregnated with a melamine formaldehyde resin.
- the alpha-cellulose paper acts as a translucent carrier for the resin, imparts strength to the resin, facilitates maintaining a uniform resin thickness and provides additional abrasion resistance to the leather decorative layer 12 .
- the present leather laminated decorative panel 10 includes the above-described decorative layer 12 , underlay layer 16 , and substrate 14 .
- this embodiment includes a second decorative layer 26 and second underlay layer 28 disposed adjacent the second surface 22 of the substrate 14 .
- the leather decorative layer 26 and underlay 28 are the same as those described above.
- a first process for manufacturing the present leather laminated decorative panel 10 involves stacking the backing layer 18 , substrate 14 , underlay layer 16 , and the leather decorative layer 12 and the release sheet on a lay-up station in a superimposed relationship (also referred to as a “build-up”).
- the physical properties of the release sheet are chosen to ensure the release sheet does not bond with the decorative leather layer or otherwise negatively affect the laminate materials and is typically textured to impart an embossed texture to the decorative layer 12 .
- the press is typically maintained at a predetermined processing temperature.
- the build-up is inserted into the heated press.
- the press is closed and is brought to the laminating pressure.
- the pressure and temperature are maintained for a “pressing cycle” that usually lasts in the range of about 20 seconds to about 150 seconds.
- the press is subsequently opened and the build-up, which is now a leather laminated decorative panel 10 , is removed.
- the pressing cycle parameters provided reflect the amount of time, temperature and pressure typically necessary to achieve thermofusion of the various layers forming the decorative panel. The actual parameters may vary for different applications and process equipment.
- a second process for manufacturing the leather laminated decorative panel 10 involves providing the backer layer 18 , the substrate 14 , the underlay layer 16 , and the leather decorative layer 12 in the aforesaid superimposed relationship upstream of a continuous press.
- the press is set up to create the temperature and pressure environment required to bond the layers into the finished decorative panel 10 .
- the line speed of the continuous press is chosen to create a dwell time within the press for the decorative panel 10 that is adequate to ensure proper thermofusion.
- a release sheet is disposed on the top side of the decorative layer 12 of the build-up prior to entering the press. As stated above, the release sheet, which is contiguous with the leather decorative layer 12 , is typically textured to impart an embossed texture to the laminate.
- the release sheet is typically drawn off after the panel exits the press, and rolled for further handling.
- the leather laminated decorative panel 10 continues onto downstream handling equipment; e.g., equipment that cuts the continuous decorative panel product into sheets, and handling equipment for the sheets.
- the continuous press is advantageous because it decreases the processing time of the decorative panels.
- the elevated temperature and pressure environment causes the impregnated resins within the sheets to flow, which consolidates the constituents into the integral leather laminated decorative panel 10 .
- the present leather laminated decorative panel 10 is typically processed at a temperature in the range from about 110° C. to about 250° C., and at a pressure within the range of about 250 psi to about 450 psi.
- the “pressing cycle” usually lasts in the range of about 20 seconds to about 150 seconds.
- a leather laminated decorative panel 10 is manufactured using a non-continuous press.
- a build-up consisting of a backing layer 18 , a substrate 14 , an underlay 16 , a leather decorative layer 12 , and a textured release sheet is made in a superimposed relationship on the lay-up station.
- the build-up is inserted into the heated press and subjected to a temperature of about 130° C. and a pressure of about 350 psi for a pressing cycle of about 50-60 seconds. After the pressing cycle is completed, the press is opened, the build-up, which is now a leather laminated decorative panel 10 , is removed and the release sheet is drawn off.
Abstract
Description
- This application claims the benefit of and priority from U.S. Provisional Patent Application Serial No. 60/441,889, filed 22 Jan. 2003, which is hereby incorporated by reference in its entirety.
- The present invention relates to thermally fused decorative laminates in general and, more particularly, to thermally fused decorative panels having a leather or leather-like material as a decorative layer. In addition, the present invention relates to a method for manufacturing the same.
- Thermally fused decorative panels are often used in the construction of cabinetry, furniture, and other building products. There is considerable consumer demand for thermally fused decorative panels in a wide variety of colors, patterns, and textures. Natural leather is another popular material used in the construction of furniture and other applications. Leather is generally perceived as a quality material used in high-end applications. Unfortunately, leather and other natural skins can be difficult to work with because of size limitations, shrinkage, natural imperfections, etc. It would be useful, therefore, to provide a product that facilitates the incorporation of leather into applications including furniture, cabinetry, and the like.
- According to an embodiment of the present invention, a heat and pressure consolidated laminate (“thermally fused decorative panel”) is provided that comprises in superimposed relationship a decorative layer consisting essentially of a leather material, an underlay layer, a substrate, and an optional backer layer. The substrate has a first surface and a second surface opposite one another. The underlay layer includes one or more cellulosic sheets impregnated with a thermosetting resin, and is disposed between the decorative layer and the first layer of the substrate. The backer layer includes one or more cellulosic sheets impregnated with a thermosetting resin, and is disposed contiguous with the second surface of the substrate.
- The decorative layer includes a leather material. The “leather” referred to herein is an animal hide and is not limited to any particular type of animal. Preferably, the leather material is bonded leather. The term “bonded leather” as used herein refers to a leather product that comprises leather shavings made from scrap and/or recycled leather. The shavings are processed into a sheet product using bonding agents. Bonded leather is commercially available and will not, therefore, be further described herein. A leather sheet thickness in the range of about 0.2 mm to about 4.0 mm is acceptable for most applications. A sheet thickness of about 0.2 mm to about 0.8 mm has particular utility. Although leather with an embossed finished surface can be used, it is preferable to use leather that initially has a smooth surface. Textures and other design features can be imparted to the laminate during the manufacturing process as will be explained in greater detail below.
- In some embodiments, the present leather laminated decorative panel further includes an overlay disposed on the side of the decorative leather sheet opposite the substrate.
- In some embodiments of the present invention, the leather laminated decorative panel includes a second decorative leather layer in place of the backer layer.
- These and other objects, features, and advantages of the present invention will become apparent in light of the drawings and detailed description of the present invention provided below.
- FIG. 1 is a diagram illustrating the superimposed constituent layers of the present leather laminated decorative panel.
- FIG. 2 is the present leather laminated decorative panel shown in FIG. 1, now including an overlay layer.
- FIG. 3 is a diagram illustrating the superimposed constituent layers of the present leather laminated decorative panel, including a second decorative layer in place of the backing layer.
- Now referring to FIGS.1-3, the present invention leather laminated decorative panel is generally represented by
reference numeral 10. The leather laminateddecorative panel 10 includes adecorative layer 12, anunderlay 16, asubstrate 14, and anoptional backer layer 18. - The
decorative layer 12 includes a leather material as described above. A leather sheet thickness in the range of about 0.2 mm to about 4.0 mm is acceptable for most applications. A sheet thickness of about 0.2 mm to 0.8 mm has particular utility. - The
underlay layer 16 is of known construction, consisting of paper, woven fabrics, mats, felts, or the like. Thepreferred underlay layer 16 consists of one or more cellulosic sheets impregnated with a laminating resin. Any of the conventional laminating resins commonly used for anunderlay layer 16, such as a phenolic, melamine, amino, epoxy, and polyester resin, to name a few, may be used to impregnate theunderlay 16. The preferred laminating resin for the underlay sheets is a beta-staged melamine formaldehyde resin. Resins of this type can be purchased commercially or prepared according to conventional procedures. - In an alternative embodiment, the
underlay layer 16 may be eliminated by utilizing a thermally activated backer attached to the surface of the decorative leather layer facing thesubstrate 14. Leather material utilizing a thermally activated backer is commercially available. - The
substrate 14 includes afirst surface 20 and asecond surface 22, opposite one another. The material comprising thesubstrate 14 can be varied to suit the application. Acceptable substrate materials include particle board, fiber board, plywood, or the like having surfaces to which the underlay resin and backing sheet resin can bond. Thesurfaces - The
backer layer 18 is of known construction, consisting of paper, woven fabrics, mats, felts, or the like. Thepreferred backer layer 18 consists of one or more cellulosic sheets impregnated with a laminating resin such as a melamine formaldehyde type resin. Backing sheets of this type can be purchased commercially or prepared according to conventional procedures. - Referring to FIG. 2, in some embodiments the present leather laminated
decorative panel 10 further includes anoverlay 24 disposed on the side of the leatherdecorative layer 12 opposite theunderlay layer 16 andsubstrate 14. Theoverlay 24 may, for example, consist of a high-quality alpha cellulose paper impregnated with a melamine formaldehyde resin. The alpha-cellulose paper acts as a translucent carrier for the resin, imparts strength to the resin, facilitates maintaining a uniform resin thickness and provides additional abrasion resistance to the leatherdecorative layer 12. - Referring to FIG. 3, in an alternative embodiment the present leather laminated
decorative panel 10 includes the above-describeddecorative layer 12,underlay layer 16, andsubstrate 14. In place of thebacker layer 18, however, this embodiment includes a seconddecorative layer 26 andsecond underlay layer 28 disposed adjacent thesecond surface 22 of thesubstrate 14. The leatherdecorative layer 26 andunderlay 28 are the same as those described above. - A first process for manufacturing the present leather laminated
decorative panel 10 involves stacking thebacking layer 18,substrate 14,underlay layer 16, and the leatherdecorative layer 12 and the release sheet on a lay-up station in a superimposed relationship (also referred to as a “build-up”). The physical properties of the release sheet are chosen to ensure the release sheet does not bond with the decorative leather layer or otherwise negatively affect the laminate materials and is typically textured to impart an embossed texture to thedecorative layer 12. - The press is typically maintained at a predetermined processing temperature. The build-up is inserted into the heated press. The press is closed and is brought to the laminating pressure. The pressure and temperature are maintained for a “pressing cycle” that usually lasts in the range of about 20 seconds to about 150 seconds. The press is subsequently opened and the build-up, which is now a leather laminated
decorative panel 10, is removed. The pressing cycle parameters provided reflect the amount of time, temperature and pressure typically necessary to achieve thermofusion of the various layers forming the decorative panel. The actual parameters may vary for different applications and process equipment. - A second process for manufacturing the leather laminated
decorative panel 10 involves providing thebacker layer 18, thesubstrate 14, theunderlay layer 16, and the leatherdecorative layer 12 in the aforesaid superimposed relationship upstream of a continuous press. The press is set up to create the temperature and pressure environment required to bond the layers into the finisheddecorative panel 10. The line speed of the continuous press is chosen to create a dwell time within the press for thedecorative panel 10 that is adequate to ensure proper thermofusion. A release sheet is disposed on the top side of thedecorative layer 12 of the build-up prior to entering the press. As stated above, the release sheet, which is contiguous with the leatherdecorative layer 12, is typically textured to impart an embossed texture to the laminate. The release sheet is typically drawn off after the panel exits the press, and rolled for further handling. The leather laminateddecorative panel 10 continues onto downstream handling equipment; e.g., equipment that cuts the continuous decorative panel product into sheets, and handling equipment for the sheets. The continuous press is advantageous because it decreases the processing time of the decorative panels. - In both manufacturing processes, the elevated temperature and pressure environment causes the impregnated resins within the sheets to flow, which consolidates the constituents into the integral leather laminated
decorative panel 10. The present leather laminateddecorative panel 10 is typically processed at a temperature in the range from about 110° C. to about 250° C., and at a pressure within the range of about 250 psi to about 450 psi. As stated above, the “pressing cycle” usually lasts in the range of about 20 seconds to about 150 seconds. - The following example is illustrative of the present leather laminated decorative panel and does not constitute any limitation with regard to the subject matter of the invention:
- A leather laminated
decorative panel 10 is manufactured using a non-continuous press. A build-up consisting of abacking layer 18, asubstrate 14, anunderlay 16, a leatherdecorative layer 12, and a textured release sheet is made in a superimposed relationship on the lay-up station. The build-up is inserted into the heated press and subjected to a temperature of about 130° C. and a pressure of about 350 psi for a pressing cycle of about 50-60 seconds. After the pressing cycle is completed, the press is opened, the build-up, which is now a leather laminateddecorative panel 10, is removed and the release sheet is drawn off. - It will be obvious to those skilled in the art that various changes may be made without departing from the scope of the present invention and that the invention is not to be considered limited to what is described and exemplified in the specification.
Claims (20)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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US10/762,104 US20040151936A1 (en) | 2003-01-22 | 2004-01-20 | Leather laminated decorative panel |
US12/962,333 US8262827B2 (en) | 2003-01-22 | 2010-12-07 | Leather laminated decorative panel |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US44188903P | 2003-01-22 | 2003-01-22 | |
US10/762,104 US20040151936A1 (en) | 2003-01-22 | 2004-01-20 | Leather laminated decorative panel |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US12/962,333 Division US8262827B2 (en) | 2003-01-22 | 2010-12-07 | Leather laminated decorative panel |
Publications (1)
Publication Number | Publication Date |
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US20040151936A1 true US20040151936A1 (en) | 2004-08-05 |
Family
ID=32771988
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
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US10/762,104 Abandoned US20040151936A1 (en) | 2003-01-22 | 2004-01-20 | Leather laminated decorative panel |
US12/962,333 Expired - Fee Related US8262827B2 (en) | 2003-01-22 | 2010-12-07 | Leather laminated decorative panel |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
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US12/962,333 Expired - Fee Related US8262827B2 (en) | 2003-01-22 | 2010-12-07 | Leather laminated decorative panel |
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Country | Link |
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US (2) | US20040151936A1 (en) |
EP (1) | EP1594993B1 (en) |
JP (1) | JP4150817B2 (en) |
CN (1) | CN1741901B (en) |
AT (1) | ATE519866T1 (en) |
CA (1) | CA2512903C (en) |
WO (1) | WO2004065637A2 (en) |
Cited By (8)
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US20040151852A1 (en) * | 2003-01-22 | 2004-08-05 | Panolam Industries International, Inc. | Flexible leather laminate |
US20060213137A1 (en) * | 2005-03-22 | 2006-09-28 | Kemlite Company, Inc. | Thermofused reinforced decorative composite material with thermoplastic stiffener core |
US20070287004A1 (en) * | 2006-05-25 | 2007-12-13 | Gottzmann Andreas M | Laminate and Method of Manufacture |
US20090087643A1 (en) * | 2007-10-02 | 2009-04-02 | Gottzmann Andreas M | Laminate Surface Layer Without an Overlay and Method of Manufacture |
US20100186337A1 (en) * | 2009-01-29 | 2010-07-29 | Barretto Peter M | Prefinished bonded leather paneling system |
WO2010083598A1 (en) * | 2009-01-21 | 2010-07-29 | Peter Barretto | Composite bonded leather material |
US20140250564A1 (en) * | 2013-03-11 | 2014-09-11 | The North Face Apparel Corp. | Waterproof Taped Glove and Mitten with Laminated Leather |
EP2808462A1 (en) * | 2013-05-30 | 2014-12-03 | Flooring Technologies Ltd. | Composite wood panel with leather particles or printed layer of leather particles and process for their preparation |
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Publication number | Priority date | Publication date | Assignee | Title |
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IT1401333B1 (en) * | 2010-08-06 | 2013-07-18 | G M Lavorazione Pellame Di Gianferrari Katia | "METHOD TO OBTAIN A DECORATIVE ELEMENT" |
RU2723780C2 (en) * | 2018-04-16 | 2020-06-17 | Общество с ограниченной ответственностью "Перспектива Алтая" (ООО "Перспектива Алтая") | Method of producing articles with modified oat shells |
CN116732787A (en) * | 2022-03-03 | 2023-09-12 | 捷欣企业股份有限公司 | Manufacturing method of leather |
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- 2004-01-20 EP EP04703703A patent/EP1594993B1/en not_active Expired - Lifetime
- 2004-01-20 CN CN2004800026330A patent/CN1741901B/en not_active Expired - Fee Related
- 2004-01-20 WO PCT/US2004/001605 patent/WO2004065637A2/en active Application Filing
- 2004-01-20 US US10/762,104 patent/US20040151936A1/en not_active Abandoned
- 2004-01-20 JP JP2006501083A patent/JP4150817B2/en not_active Expired - Fee Related
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Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040151852A1 (en) * | 2003-01-22 | 2004-08-05 | Panolam Industries International, Inc. | Flexible leather laminate |
US7179538B2 (en) * | 2003-01-22 | 2007-02-20 | Panolam Industries International, Inc. | Flexible leather laminate |
US20070095470A1 (en) * | 2003-01-22 | 2007-05-03 | Panolam Industries International, Inc. | Method for producing a flexible leather laminate |
US20070104924A1 (en) * | 2003-01-22 | 2007-05-10 | Panolam Industries International, Inc. | Flexible leather laminate |
US20060213137A1 (en) * | 2005-03-22 | 2006-09-28 | Kemlite Company, Inc. | Thermofused reinforced decorative composite material with thermoplastic stiffener core |
US20070287004A1 (en) * | 2006-05-25 | 2007-12-13 | Gottzmann Andreas M | Laminate and Method of Manufacture |
US20090087643A1 (en) * | 2007-10-02 | 2009-04-02 | Gottzmann Andreas M | Laminate Surface Layer Without an Overlay and Method of Manufacture |
WO2010083598A1 (en) * | 2009-01-21 | 2010-07-29 | Peter Barretto | Composite bonded leather material |
US20100186337A1 (en) * | 2009-01-29 | 2010-07-29 | Barretto Peter M | Prefinished bonded leather paneling system |
US20140250564A1 (en) * | 2013-03-11 | 2014-09-11 | The North Face Apparel Corp. | Waterproof Taped Glove and Mitten with Laminated Leather |
EP2808462A1 (en) * | 2013-05-30 | 2014-12-03 | Flooring Technologies Ltd. | Composite wood panel with leather particles or printed layer of leather particles and process for their preparation |
EP2808463A1 (en) * | 2013-05-30 | 2014-12-03 | Flooring Technologies Ltd. | Composite wood panel with leather particles or printed layer of leather particles and process for their preparation |
Also Published As
Publication number | Publication date |
---|---|
JP4150817B2 (en) | 2008-09-17 |
ATE519866T1 (en) | 2011-08-15 |
CN1741901A (en) | 2006-03-01 |
EP1594993A2 (en) | 2005-11-16 |
US20110073245A1 (en) | 2011-03-31 |
EP1594993A4 (en) | 2007-01-24 |
JP2006516229A (en) | 2006-06-29 |
US8262827B2 (en) | 2012-09-11 |
WO2004065637A2 (en) | 2004-08-05 |
CA2512903A1 (en) | 2004-08-05 |
CA2512903C (en) | 2010-08-24 |
CN1741901B (en) | 2010-09-29 |
EP1594993B1 (en) | 2011-08-10 |
WO2004065637A3 (en) | 2004-11-11 |
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