A method of forming a composite article is disclosed that involves providing a press having first and second platens, a cellulosic fiber substrate having a first thickness, and a layer of material such as a wood veneer, foil, or non-creped paper, where the layer of material has a thickness less than
A method of forming a composite article is disclosed that involves providing a press having first and second platens, a cellulosic fiber substrate having a first thickness, and a layer of material such as a wood veneer, foil, or non-creped paper, where the layer of material has a thickness less than the thickness of the cellulosic fiber substrate. A layer of bonding material is placed onto the cellulosic fiber substrate or the layer of material, and the layer of material is placed onto the cellulosic fiber substrate so that the bonding material is between the layer of material and the cellulosic fiber substrate. The cellulosic fiber substrate and layer of material are placed between the first and second platens, and at least one of the first and second platens is moved toward the other of the first and second platens to deform the cellulosic fiber substrate and layer of material into a predetermined configuration while bonding the layer of material to the cellulosic fiber substrate without cracking or wrinkling the layer of material.
대표청구항▼
1. A method of making a composite non-planar door skin, comprising the steps of: heating and pre-moisturizing a medium density fiberboard sheet;placing the medium density fiberboard sheet and a wood veneer layer in a press without pre-moisturizing the wood veneer layer;deforming and bonding the medi
1. A method of making a composite non-planar door skin, comprising the steps of: heating and pre-moisturizing a medium density fiberboard sheet;placing the medium density fiberboard sheet and a wood veneer layer in a press without pre-moisturizing the wood veneer layer;deforming and bonding the medium density fiberboard sheet and the wood veneer layer together under application of heat and pressure to form a composite non-planar door skin;wetting the composite non-planar door skin to raise the moisture content of the wood veneer layer,wherein the medium density fiberboard is a continuous layer having an exterior major surface,wherein the wood veneer layer covers the exterior major surface of the medium density fiberboard, andwherein the composite non-planar door skin has an exterior surface comprising a planar central portion extending along a first plane, a first planar side portion and a second planar side portion positioned at opposite first and second sides of the planar central portion and extending in a second plane that is spaced apart from the first plane, a planar top portion and a planar lower portion positioned at opposite first and second ends of the planar central portion and extending in the second plane, a first angled wall connecting the first side of the planar central portion to the first planar side portion, a second angled wall connecting the second side of the planar central portion to the second planar side portion, a third angled wall connecting the planar top portion with the first end of the planar central portion, and a fourth angled wall connecting the planar lower portion with the second end of the planar central portion. 2. The method of claim 1, wherein the third and fourth angled walls have a slope that is less than a slope of the first and second angled walls. 3. The method of claim 1, wherein said deforming step comprises deforming the medium density fiberboard sheet and the wood veneer layer in a thickness direction of the composite non-planar door skin. 4. The method of claim 1, wherein the medium density fiberboard sheet and the wood veneer layer have a rectangular shape, and wherein the first plane is parallel to the second plane. 5. The method of claim 1, wherein the first plane and the second plane are spaced apart from one another by 6-9 mm. 6. The method of claim 1, wherein the wood veneer layer has a thickness in the range of 0.3 mm to 0.9 mm. 7. The method of claim 1, wherein said bonding step comprises placing a layer of bonding material between the medium density fiberboard sheet and the wood veneer layer. 8. The method of claim 1, wherein the heated and pre-moistened medium density fiberboard sheet enters the press with a moisture content of about 10-12 weight percent and exits the press with a moisture content of about 5-7 weight percent. 9. A method of making a composite non-planar door skin, comprising the steps of: heating and pre-moisturizing a medium density fiberboard sheet;placing the medium density fiberboard sheet and a wood veneer layer in a press without pro-moisturizing the wood veneer layer;deforming and bonding the medium density fiberboard sheet and the wood veneer layer together under application of heat and pressure to form a composite non-planar door skin;wetting the composite non-planar door skin to raise the moisture content of the wood veneer layer,wherein the medium density fiberboard sheet is a continuous layer having an exterior major surface,wherein the wood veneer layer comprises a plurality of wood veneer strips collectively covering the exterior major surface of the medium density fiberboard sheet, andwherein the composite non-planar door skin has an exterior surface comprising a planar central portion extending along a first plane, a first planar side portion and a second planar side portion positioned at opposite first and second sides of the planar central portion and extending in a second plane that is spaced apart from the first plane, a first angled wall connecting the first side of the planar central portion to the first planar side portion, and a second angled wall connecting the second side of the planar central portion to the second planar side portion, the first and second planar side portions and the first and second angled walls each extending an entire length of the composite non-planar door skin. 10. The method of claim 9, wherein the heated and pre-moistened medium density fiberboard sheet enters the press with a moisture content of about 10-12 weight percent and exits the press with a moisture content of about 5-7 weight percent. 11. The method of claim 9, wherein said placing step fluffier comprises placing a paper backing between the medium density fiberboard sheet and the wood veneer layer. 12. The method of claim 11, wherein said placing step further comprises placing a bonding agent between the medium density fiberboard sheet and the paper backing. 13. The method of claim 9, wherein said placing step further comprises placing a backing layer of fusible material between the medium density fiberboard sheet and the wood veneer layer. 14. The method of claim 9, wherein the plurality of wood veneer strips comprise a first wood veneer strip and a second wood veneer strip, wherein an edge surface of the first wood veneer strip is directly adjacent to an edge surface of the second wood veneer strip in side-by-side arrangement. 15. The method of claim 9, wherein more than one wood veneer strip of the plurality of wood veneer strips overlay the planar central portion of the medium density fiberboard sheet. 16. A method of making a composite non-planar door skin, comprising the steps of: heating and pre-moisturizing a medium density fiberboard sheet;placing the medium density fiberboard sheet and a wood veneer layer in a press without pre-moisturizing the wood veneer layer;deforming and bonding the medium density fiberboard sheet and the wood veneer layer together under application of beat and pressure to form a composite non-planar door skin;wetting the composite non-planar door skin to raise the moisture content of the wood veneer layer,wherein the medium density fiberboard sheet is a continuous layer having an exterior major surface,wherein the wood veneer layer covers the exterior major surface of the medium density fiberboard, andwherein the composite non-planar door skin has an exterior surface comprising a planar central portion extending along a first plane, a first planar side portion and a second planar side portion positioned at opposite first and second sides of the planar central portion and extending in a second plane that is spaced apart from the first plane, a first angled wall connecting the first side of the planar central portion to the first planar side portion, and a second angled wall connecting the second side of the planar central portion to the second planar side portion. 17. The method of claim 16, the medium density fiberboard sheet and the wood veneer layer have a rectangular shape, and wherein the first plane is parallel to the second plane. 18. The method of claim 16, wherein the first plane and the second plane are spaced apart from one another by 6-9 mm. 19. The method of claim 16, wherein said bonding step comprises placing a layer of bonding material between the medium density fiberboard sheet and the wood veneer layer. 20. The method of claim 16, wherein the heated and pre-moistened medium density fiberboard sheet enters the press with a moisture content of about 10-12 weight percent and exits the press with a moisture content of about 5-7 weight percent.
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