Fire and water resistant expansion and seismic joint system
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
E04B-001/68
E04B-001/94
C09K-021/00
E04B-001/98
E04C-002/20
출원번호
US-0455403
(2014-08-08)
등록번호
US-9689158
(2017-06-27)
발명자
/ 주소
Hensley, Lester
Witherspoon, Bill
출원인 / 주소
EMSEAL JOINT SYSTEMS LTD.
대리인 / 주소
MKG LLC
인용정보
피인용 횟수 :
20인용 특허 :
273
초록▼
A fire and water resistant expansion and seismic joint system has a cover plate; a spline attached to the cover plate along a first edge of the spline; and a core comprising a first core portion and a second core portion, each portion being located on an opposing face of the spline. The first core p
A fire and water resistant expansion and seismic joint system has a cover plate; a spline attached to the cover plate along a first edge of the spline; and a core comprising a first core portion and a second core portion, each portion being located on an opposing face of the spline. The first core portion and the second core portion have a fire-retardant material infused therein. The spline depends from the cover plate in a one piece construction and extends into the core to a depth within the core, and is positioned in a gap between substantially coplanar substrates such that the cover plate overlies the gap. Each portion of the core is compressed between a respective face of the spline and a face of one of the coplanar substrates.
대표청구항▼
1. A fire and water resistant expansion and seismic joint system, comprising: a cover plate;a spline attached to the cover plate;a core having a fire retardant material infused therein located on a first face and a second face of the spline;wherein the spline depends from the cover plate and is conf
1. A fire and water resistant expansion and seismic joint system, comprising: a cover plate;a spline attached to the cover plate;a core having a fire retardant material infused therein located on a first face and a second face of the spline;wherein the spline depends from the cover plate and is configured to be positioned in a gap between substrates such that the cover plate overlies the gap; andwherein the core is compressible between the first face of the spline and one of the substrates and is compressible between the second face of the spline and the other of the substrates, and wherein the fire retardant infused core has a density when compressed of about 160 kg/m3 to about 800 kg/m3, and the fire and water resistant expansion and seismic joint system and the fire retardant infused core are capable of withstanding exposure to a temperature of about 540° C. at about five minutes, and the fire retardant infused core is configured to pass testing mandated by UL 2079. 2. The fire and water resistant expansion and seismic joint system of claim 1, wherein a ratio of fire retardant material infused into the core is in a range of about 3.5:1 to about 4:1 by weight. 3. The fire and water resistant expansion and seismic joint system of claim 1, wherein the fire retardant material infused into the core is selected from the group consisting of water-based aluminum tri-hydrate, metal oxides, metal hydroxides, aluminum oxides, antimony oxides and hydroxides, iron compounds, ferrocene, molybdenum trioxide, nitrogen-based compounds, phosphorus based compounds, halogen based compounds, halogens, and combinations of the foregoing materials. 4. The fire and water resistant expansion and seismic joint system of claim 1, comprising a fire barrier sealant layer. 5. The fire and water resistant expansion and seismic joint system of claim 1, comprising a water resistant layer on the core. 6. The fire and water resistant expansion and seismic joint system of claim 1, wherein the fire and water resistant expansion and seismic joint system and the fire retardant infused core is capable of withstanding exposure to a temperature of about 930° C. at about one hour to pass the UL 2079 testing. 7. The fire and water resistant expansion and seismic joint system of claim 1, wherein the fire and water resistant expansion and seismic joint system and the fire retardant infused core is capable of withstanding exposure to a temperature of about 1010° C. at about two hours to pass the UL 2079 testing. 8. The fire and water resistant expansion and seismic joint system of claim 1, wherein the fire and water resistant expansion and seismic joint system and the fire retardant infused core is capable of withstanding exposure to a temperature of about 1260° C. at about eight hours to pass the UL 2079 testing. 9. The fire and water resistant expansion and seismic joint system of claim 1, wherein the fire and water resistant expansion and seismic joint system and the fire retardant infused core are capable of withstanding exposure to a temperature of about 1052° C. at about three hours to pass the UL 2079 testing. 10. The fire and water resistant expansion and seismic joint system of claim 1, wherein the fire and water resistant expansion and seismic joint system and the fire retardant infused core are capable of withstanding exposure to a temperature of about 1093° C. at about four hours to pass the UL 2079 testing. 11. The fire and water resistant expansion and seismic joint system of claim 1, wherein a layer comprising the fire retardant material is sandwiched between material of the core. 12. The fire and water resistant expansion and seismic joint system of claim 11, wherein the layer is oriented, with respect to a direction in which the joint extends in its width, in at least one of a parallel orientation, a perpendicular orientation, and a combination thereof. 13. A fire and water resistant expansion and seismic joint system, comprising: a cover plate;a spline attached to the cover plate;a core having a fire retardant material included therein located on a first face and a second face of the spline;wherein the spline depends from the cover plate and is configured to be positioned in a gap between substrates such that the cover plate overlies the gap; andwherein the core is compressible between the first face of the spline and one of the substrates and is compressible between the second face of the spline and the other of the substrates, and wherein the core having the fire retardant material included therein has a density when compressed of about 160 kg/m3 to about 800 kg/m3, and the fire and water resistant expansion and seismic joint system is configured to maintain fire resistance upon exposure to a temperature of about 540° C. at about five minutes, and the core having the fire retardant included therein is configured to pass testing mandated by UL 2079. 14. The fire and water resistant expansion and seismic joint system of claim 13, wherein the core with the fire retardant material has a density when compressed in a range of about 200 kg/m3 to about 700 kg/m3. 15. The fire and water resistant expansion and seismic joint system of claim 13, wherein the core with the fire retardant material uncompressed has a density of about 130 kg/m3 to about 150 kg/m3. 16. The fire and water resistant expansion and seismic joint system of claim 13, wherein the core with the fire retardant material compressed has a density in a range of about 400 kg/m3 to about 450 kg/m3. 17. The fire and water resistant expansion and seismic joint system of claim 13, wherein the system is configured to maintain fire resistance upon exposure to a temperature of about 930° C. at about one hour to pass the UL 2079 testing. 18. The fire and water resistant expansion and seismic joint system of claim 13, wherein the system is configured to maintain fire resistance upon exposure to a temperature of about 1010° C. at about two hours to pass the UL 2079 testing. 19. The fire and water resistant expansion and seismic joint system of claim 13, wherein the core comprises at least one of polyurethane foam, polyether foam, open cell foam, dense closed cell foam, cross-linked foam, neoprene foam rubber, urethane, cardboard, and a composite. 20. The fire and water resistant expansion and seismic joint system of claim 13, wherein a layer comprising the fire retardant material is sandwiched between material of the core, and the core is not coated with any fire retardant material on any outer surface of the core, and the fire and water resistant expansion and seismic joint system is configured to maintain fire resistance upon exposure to a temperature of about 540° C. at about five minutes to pass the UL 2079 testing. 21. The fire and water resistant expansion and seismic joint system of claim 13, wherein the system is configured to maintain fire resistance upon exposure to a temperature of about 1052° C. at about three hours to pass the UL 2079 testing. 22. The fire and water resistant expansion and seismic joint system of claim 13, wherein the system is configured to maintain fire resistance upon exposure to a temperature of about 1093° C. at about four hours to pass the UL 2079 testing. 23. A fire and water resistant expansion and seismic joint system, comprising: a cover plate;a spline attached to the cover plate;a core having a fire retardant material permeated therein located on a first face and a second face of the spline;wherein the spline depends from the cover plate and is configured to be positioned in a gap between substrates such that the cover plate overlies the gap; andwherein the core is compressible between the first face of the spline and one of the substrates and is compressible between the second face of the spline and the other of the substrates, and wherein the core having the fire retardant permeated therein has a density when compressed of about 160 kg/m3 to about 800 kg/m3, and the fire and water resistant expansion and seismic joint system is configured to maintain fire resistance upon exposure to a temperature of about 540° C. at about five minutes, and the core having the fire retardant permeated therein is configured to pass testing mandated by UL 2079. 24. The fire and water resistant expansion and seismic joint system of claim 23, wherein the system is configured to maintain fire resistance upon exposure to a temperature of about 930° C. at about one hour to pass the UL 2079 testing. 25. The fire and water resistant expansion and seismic joint system of claim 23, wherein the system is configured to maintain fire resistance upon exposure to a temperature of about 1010° C. at about two hours to pass the UL 2079 testing. 26. The fire and water resistant expansion and seismic joint system of claim 23, wherein the system is configured to maintain fire resistance upon exposure to a temperature of about 1052° C. at about three hours to pass the UL 2079 testing. 27. The fire and water resistant expansion and seismic joint system of claim 23, wherein the system is configured to maintain fire resistance upon exposure to a temperature of about 1093° C. at about four hours to pass the UL 2079 testing. 28. The fire and water resistant expansion and seismic joint system of claim 23, further including a layer comprising the fire retardant material is sandwiched between material of the core. 29. The fire and water resistant expansion and seismic joint system of claim 28, wherein the layer is oriented, with respect to a direction in which the joint extends in its width, in at least one of a parallel orientation, a perpendicular orientation, and a combination thereof.
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