Insulation product having directional facing layer thereon and method of making the same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
D04H-001/16
D04H-001/00
E04C-002/00
출원번호
UP-0793496
(2004-03-04)
등록번호
US-7780886
(2010-09-13)
발명자
/ 주소
Lembo, Michael J.
출원인 / 주소
Certainteed Corporation
대리인 / 주소
Duane Morris LLP
인용정보
피인용 횟수 :
4인용 특허 :
81
초록▼
An insulation product is provided comprising an insulation mat comprising randomly oriented fibers. The mat has first and second major surfaces and a pair of side portions. A vapor retardant facing layer is bonded to at least one of the major surfaces of the mat. The facing layer has a fiber orienta
An insulation product is provided comprising an insulation mat comprising randomly oriented fibers. The mat has first and second major surfaces and a pair of side portions. A vapor retardant facing layer is bonded to at least one of the major surfaces of the mat. The facing layer has a fiber orientation such that the facing layer has a ratio of machine direction tensile strength to cross machine direction tensile strength which permits the facing layer to be separated by hand along a substantially straight line selected in the machine direction.
대표청구항▼
What is claimed is: 1. A method of manufacturing an insulation product, comprising the following steps: providing an insulation mat comprising randomly oriented fibers, said mat having first and second major surfaces and a pair of side portions; adhering a non-woven vapor retardant facing layer to
What is claimed is: 1. A method of manufacturing an insulation product, comprising the following steps: providing an insulation mat comprising randomly oriented fibers, said mat having first and second major surfaces and a pair of side portions; adhering a non-woven vapor retardant facing layer to at least one of the major surfaces of the mat, said facing layer having a fiber orientation such that said facing layer has a ratio of machine direction tensile strength to cross machine direction tensile strength which permits said facing layer to be separated by hand along a substantially straight line selected in said machine direction; and prior to said adhering step, creasing said facing layer in said machine direction along at least one selected separation line. 2. The method of claim 1, wherein said providing step includes the step of conveying said insulation mat in said machine direction. 3. The method of claim 1, wherein said facing layer comprises a cellulosic material, said adhering step comprising the step of bonding said facing layer to said insulation mat with a vapor retardant adhesive. 4. The method of claim 3, wherein said cellulosic material comprises kraft paper. 5. The method of claim 4, wherein said vapor retardant adhesive includes a bituminous material. 6. The method of claim 2, wherein said vapor retardant adhesive includes a bituminous material. 7. The method of claim 1, wherein said ratio is at least about 4:1. 8. The method of claim 1, wherein said insulation mat includes a plurality of separable segments, said segments being coupled to each other along planes oriented in said machine direction. 9. The method of claim 8, further comprising the steps of, prior to adhering said facing layer, forming said separable segments in said insulation mat and coupling said separable segments to each other with an adhesive. 10. The method of claim 1, wherein said facing layer includes a central portion coextensive with said at least one major surface and at least one tab portion adjacent said central portion and extending beyond said at least one major surface. 11. The method of claim 1, wherein said facing layer is non-perforated in at least said machine direction. 12. The method of claim 1, wherein said ratio is between about 4:1 to 20:1. 13. The method of claim 1, wherein said ratio is between about 6:1 to 15:1. 14. The method of claim 1, wherein said facing layer comprises polymeric, cellulosic or inorganic fibers or a combination thereof. 15. A method of forming a reduced width insulation product from a master insulation product for installation in a structure, comprising the steps of: providing a master insulation product comprising: an insulation mat comprising randomly oriented fibers, said mat having first and second major surfaces and a pair of side portions; and a non-woven facing layer comprising a cellulosic material bonded to said insulation mat with a vapor retardant adhesive, said facing layer having a fiber orientation such that the facing layer has a ratio of machine direction tensile strength to cross machine direction tensile strength which permits the facing layer to be separated by hand along a substantially straight line selected in the machine direction, wherein said insulation mat includes a plurality of separable segments, said segments being coupled to each other along at least one plane oriented in said machine direction; and separating said facing layer in said machine direction substantially along a plane from said at least one plane to remove at least one of said separable segments from said master insulation product, thereby providing a reduced width insulation product. 16. The method of claim 15, wherein said ratio is at least about 4:1. 17. The method of claim 15, wherein said separable segments are coupled to each other with an adhesive, a perforation in said insulation mat along said at least one plane, or a partial cut through said mat along said at least one plane. 18. The method of claim 15, wherein said facing layer includes a central portion coextensive with said at least one major surface and at least one tab portion adjacent said central portion extending beyond said at least one major surface, and wherein said reduced width insulation product includes said at least one tab portion. 19. The method of claim 15, further comprising the step of installing said reduced width insulation product in a structure. 20. The method of claim 15, wherein said facing layer is creased in said machine direction along said plane from said at least one plane prior to separating said facing layer. 21. The method of claim 15, wherein said cellulosic material comprises kraft paper. 22. The method of claim 15, wherein said vapor retardant adhesive includes a bituminous material. 23. The method of claim 15, wherein said ratio is between about 4:1 to 20:1. 24. The method of claim 15, wherein said ratio is between about 6:1 to 15:1. 25. A method of manufacturing an insulation product, comprising the following steps: conveying a fibrous insulation blanket in a conveying direction, the blanket having a length along the conveying direction, a width and a thickness, the blanket having a first major surface and a second major surface which each extend for the length and the width of the fibrous insulation blanket, the fibrous insulation blanket including a plurality of longitudinal segments being separable along one or more longitudinally extending interfaces, spaced inward from lateral edges of the blanket and spaced apart from each other across the width of the fibrous insulation blanket, into a plurality of blanket segments of lesser width than the width of the fibrous insulation blanket; and adhering a vapor retardant facing layer to at least one of the major surfaces of the blanket as it is being conveyed, said facing layer comprising a paper layer having a fiber orientation arranged such that said facing layer has a ratio of machine direction tensile strength to cross machine direction tensile strength which permits said facing layer to be separated by hand along a substantially straight line selected in said machine direction, wherein the machine direction corresponds to the conveying direction, wherein the paper layer is imperforated in the machine direction in areas thereof overlying the longitudinally extending interfaces. 26. The method of claim 25, wherein the adhering step comprises the step of bonding the paper layer to the insulation mat with a vapor retardant adhesive. 27. The method of claim 26, wherein the vapor retardant adhesive includes a bituminous material. 28. The method of claim 25, wherein the paper layer is a layer of kraft paper. 29. The method of claim 26, wherein the ratio is at least about 4:1. 30. The method of claim 26, wherein the ratio is between about 4:1 to 20:1. 31. The method of claim 26, wherein the ratio is between about 6:1 to 15:1. 32. The method of claim 26, further comprising the step of, prior to said adhering step, creasing the paper layer in the machine direction along at least one selected separation line overlying at least one of the interfaces. 33. The method of claim 25, wherein the paper layer is creased in the machine direction along at least one separation line overlying at least one of the interfaces.
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