Water and/or fire resistant expansion joint system
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
E04B-001/68
E04B-001/94
B32B-007/12
B32B-027/06
출원번호
US-0583239
(2017-05-01)
등록번호
US-10179993
(2019-01-15)
발명자
/ 주소
Hensley, Lester
Witherspoon, William
출원인 / 주소
EMSEAL JOINT SYSTEMS, LTD.
대리인 / 주소
MKG LLC
인용정보
피인용 횟수 :
0인용 특허 :
274
초록▼
A fire and/or water resistant expansion joint system for installation into a building joint in vertical and horizontal configurations is designed such that it can be used for either an inside or outside corner. The system comprises a core having a fire retardant therein. A layer of a water resistant
A fire and/or water resistant expansion joint system for installation into a building joint in vertical and horizontal configurations is designed such that it can be used for either an inside or outside corner. The system comprises a core having a fire retardant therein. A layer of a water resistant material is disposed on the core to facilitate the compression of the expansion joint system when installed between substrates. The system can be delivered to a job site in a pre-compressed state ready for installation into the building joint.
대표청구항▼
1. A fire and water resistant expansion joint system, comprising: a core;a fire retardant in the core; anda water resistant layer disposed on the core;wherein the water resistant layer facilitates compression of the expansion joint system when installed between substrates, and the core with the fire
1. A fire and water resistant expansion joint system, comprising: a core;a fire retardant in the core; anda water resistant layer disposed on the core;wherein the water resistant layer facilitates compression of the expansion joint system when installed between substrates, and the core with the fire retardant therein when compressed has a density of about 160 kg/m3 to about 800 kg/m3; andwherein the expansion joint system is angled around a corner, and the fire and water resistant expansion joint system and the core with fire retardant therein are configured to pass testing mandated by UL 2079. 2. The expansion joint system of claim 1, wherein the core comprises a plurality of individual laminations assembled to construct a laminate, one or more of the laminations having therein at least one of the fire retardant and a water-based acrylic chemistry. 3. The expansion joint system of claim 1, wherein vertically oriented surfaces of the core are retained between edges of the substrates. 4. The expansion joint system of claim 1, wherein the core comprises foam. 5. The expansion joint system of claim 4, wherein the water resistant layer disposed on the foam is selected from the group consisting of polysulfides, acrylics, polyurethanes, poly-epoxides, silyl-terminated polyethers, and combinations of one or more of the foregoing. 6. The expansion joint system of claim 4, wherein the core comprises a block of foam. 7. The expansion joint system of claim 1, wherein the water resistant layer disposed on the core comprises a silicone. 8. The expansion joint system of claim 1, wherein the expansion joint system has a curved profile. 9. The expansion joint system of claim 8, wherein the expansion joint system is a tunnel expansion joint system. 10. The expansion joint system of claim 1, wherein the expansion joint system is angled around the corner to extend from a horizontal plane to a vertical plane. 11. The expansion joint system of claim 10, wherein the angle around the corner is made continuous between a section of the core extending in the horizontal plane and a section of the core extending in the vertical plane. 12. The expansion joint system of claim 1, wherein the expansion joint system is angled around the corner and extends in a horizontal plane. 13. The expansion joint system of claim 12, wherein the angle around the corner comprises a miter joint between two sections of the core extending in the horizontal plane. 14. The expansion joint system of claim 13, wherein the two sections of core extending in the horizontal plane are adhesively joined. 15. The expansion joint system of claim 1, wherein a layer comprising the fire retardant is sandwiched between the material of the core. 16. The expansion joint system of claim 1, wherein the fire retardant in the core is selected from the group consisting of water-based alumina tri-hydrate, metal oxides, metal hydroxides, aluminum oxides, antimony oxides and hydroxides, iron compounds, ferrocene, molybdenum trioxide, nitrogen-containing compounds, phosphorus based compounds, halogen based compounds, halogens, and combinations of the foregoing materials. 17. The expansion joint system of claim 1, wherein the core uncompressed has a density of about 100 kg/m3 to about 180 kg/m3. 18. The expansion joint system of claim 1, further comprising a second layer disposed on the water resistant layer, wherein the second layer is selected from the group consisting of another water resistant layer, a fire barrier layer and combinations thereof. 19. The expansion joint system of claim 1, wherein a first coating is located on a surface of the core, and a second coating is located on a surface of the core opposing the first coating, wherein the first coating is the substantially the same as or different than the second coating. 20. The expansion joint system of claim 1, wherein the fire and water resistant expansion joint system is capable of withstanding exposure to a temperature of about 930° C. at about one hour. 21. The expansion joint system of claim 1, wherein the fire and water resistant expansion joint system is capable of withstanding exposure to a temperature of about 1010° C. at about two hours. 22. The expansion joint system of claim 1, wherein the fire and water resistant expansion joint system is capable of withstanding exposure to a temperature of about 1260° C. at about eight hours. 23. The expansion joint system of claim 1, wherein the expansion joint system is a tunnel expansion joint system. 24. The expansion joint system of claim 1, wherein the core with the fire retardant uncompressed has as a density of about 50 kg/m3 to about 250 kg/m3. 25. A fire and water resistant expansion joint system, comprising: a core;a fire retardant in the core;wherein the core with the fire retardant therein is configured to facilitate compression of the expansion joint system when installed between substrates, and the core with the fire retardant therein when compressed has a density of about 160 kg/m3 to about 800 kg/m3; andwherein the expansion joint system is angled around a corner, and the fire and water resistant expansion joint system and the core with fire retardant therein are configured to pass testing mandated by UL 2079. 26. The expansion joint system of claim 25, wherein the core comprises a first outer surface and a second outer surface, and no coatings are located on either the first outer surface or the second outer surface. 27. The expansion joint system of claim 25, wherein the expansion joint system is a tunnel expansion system. 28. The expansion joint system of claim 25, wherein the core with the fire retardant uncompressed has as a density of about 50 kg/m3 to about 250 kg/m3. 29. The expansion joint system of claim 25, wherein the fire and water resistant expansion joint system is capable of withstanding exposure to a temperature of about 930° C. at about one hour. 30. The expansion joint system of claim 25, wherein the fire and water resistant expansion joint system is capable of withstanding exposure to a temperature of about 1010° C. at about two hours. 31. The expansion joint system of claim 25, wherein the fire and water resistant expansion joint system is capable of withstanding exposure to a temperature of about 1260° C. at about eight hours.
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