US2015079350A1PendingUtilityA1

Epoxy-resin-containing thermally expandable resin composition sheet and method for constructing penetration structure for fireproof compartment

45
Assignee: SEKISUI CHEMICAL CO LTDPriority: Mar 30, 2012Filed: Mar 30, 2013Published: Mar 19, 2015
Est. expiryMar 30, 2032(~5.7 yrs left)· nominal 20-yr term from priority
Inventors:Takanari Tanaka
B32B 2307/3065B32B 3/30B32B 27/08B32B 2250/02B32B 2581/00F16L 5/04B32B 27/38B32B 27/18B32B 27/24B32B 15/08A62C 2/065B32B 27/20B32B 27/06B32B 27/12B32B 37/14Y10T428/24587Y10T428/2457B32B 2262/10E04B 1/948B32B 27/10
45
PatentIndex Score
0
Cited by
0
References
0
Claims

Abstract

An epoxy resin-containing thermally expandable resin composition sheet which is a laminate of one or more epoxy resin-containing thermally expandable resin composition layers having at least one of linear grooves continuously formed and linear grooves intermittently formed, and two or more of the respective linear grooves being formed onto at least one surface of the epoxy resin-containing thermally expandable resin composition sheet with an interval, and one or more substrate layers. The epoxy-resin-containing thermally expandable resin composition sheet can be wound around a pipe by bending the sheet through use of the grooves even when the temperature is low.

Claims

exact text as granted — not AI-modified
1 . An epoxy resin-containing thermally expandable resin composition sheet which comprises an epoxy resin-containing thermally expandable resin composition layer(s) having at least one of linear grooves continuously formed and linear grooves intermittently formed, and two or more of the respective linear grooves being formed onto at least one surface of the epoxy resin-containing thermally expandable resin composition sheet with an interval, and
 a substrate layer(s),   being laminated.   
     
     
         2 . The epoxy resin-containing thermally expandable resin composition sheet described in the  claim 1 , wherein the linear grooves penetrate at least one of the substrate layers, and reach to the epoxy resin-containing thermally expandable resin composition layer(s). 
     
     
         3 . The epoxy resin-containing thermally expandable resin composition sheet described in the  claim 2 , wherein the two or more respective linear grooves formed onto at least one surface of the epoxy resin-containing thermally expandable resin composition sheet are formed substantially parallel from each other. 
     
     
         4 . The epoxy resin-containing thermally expandable resin composition sheet described in the  claim 3 , wherein the two or more respective linear grooves formed onto at least one surface of the epoxy resin-containing thermally expandable resin composition sheet are formed substantially perpendicular to the longitudinal direction of the epoxy resin-containing thermally expandable resin composition sheet, with an interval from each other. 
     
     
         5 . The epoxy resin-containing thermally expandable resin composition sheet described in the  claim 3 , wherein the two or more respective linear grooves formed onto at least one surface of the epoxy resin-containing thermally expandable resin composition sheet are formed obliquely to the longitudinal direction of the epoxy resin-containing thermally expandable resin composition sheet, with an interval from each other. 
     
     
         6 . The epoxy resin-containing thermally expandable resin composition sheet described in the  claim 4 , wherein linear grooves intersecting with the two or more respective linear grooves formed onto at least one surface of the epoxy resin-containing thermally expandable resin composition sheet are formed to the longitudinal direction of the epoxy resin-containing thermally expandable resin composition sheet. 
     
     
         7 . The epoxy resin-containing thermally expandable resin composition sheet described in the  claim 5 , wherein linear grooves intersecting with the two or more respective linear grooves formed onto at least one surface of the epoxy resin-containing thermally expandable resin composition sheet are formed to the longitudinal direction of the epoxy resin-containing thermally expandable resin composition sheet. 
     
     
         8 . The epoxy resin-containing thermally expandable resin composition sheet described in the  claim 4 , wherein the linear grooves are formed by pressing a projected material to the epoxy resin-containing thermally expandable resin composition sheet before curing the epoxy resin contained in the epoxy resin-containing thermally expandable resin composition sheet. 
     
     
         9 . The epoxy resin-containing thermally expandable resin composition sheet described in the  claim 5 , wherein the linear grooves are formed by pressing a projected material to the epoxy resin-containing thermally expandable resin composition sheet before curing the epoxy resin contained in the epoxy resin-containing thermally expandable resin composition sheet. 
     
     
         10 . The epoxy resin-containing thermally expandable resin composition sheet described in the  claim 4 , wherein the linear grooves are formed by cutting the epoxy resin-containing thermally expandable resin composition sheet after curing the epoxy resin contained in the epoxy resin-containing thermally expandable resin composition sheet. 
     
     
         11 . The epoxy resin-containing thermally expandable resin composition sheet described in the  claim 5 , wherein the linear grooves are formed by cutting the epoxy resin-containing thermally expandable resin composition sheet after curing the epoxy resin contained in the epoxy resin-containing thermally expandable resin composition sheet. 
     
     
         12 . The epoxy resin-containing thermally expandable resin composition sheet described in the  claim 4 , wherein the epoxy resin-containing thermally expandable resin composition layer contains at least an epoxy resin, a thermally expandable graphite and an inorganic filler. 
     
     
         13 . The epoxy resin-containing thermally expandable resin composition sheet described in the  claim 5 , wherein the epoxy resin-containing thermally expandable resin composition layer contains at least an epoxy resin, a thermally expandable graphite and an inorganic filler. 
     
     
         14 . The epoxy resin-containing thermally expandable resin composition sheet described in the  claim 12 , wherein the substrate layer contains at least one selected from the group consisting of paper, cloth, a synthetic resin, a metal foil and inorganic fiber. 
     
     
         15 . The epoxy resin-containing thermally expandable resin composition sheet described in the  claim 13 , wherein the substrate layer contains at least one selected from the group consisting of paper, cloth, a synthetic resin, a metal foil and inorganic fiber. 
     
     
         16 . The epoxy resin-containing thermally expandable resin composition sheet described in the  claim 14 , wherein a thickness of the epoxy resin-containing thermally expandable resin composition layer is in the range of 0.3 to 4 mm. 
     
     
         17 . The epoxy resin-containing thermally expandable resin composition sheet described in the  claim 15 , wherein a thickness of the epoxy resin-containing thermally expandable resin composition layer is in the range of 0.3 to 4 mm. 
     
     
         18 . A method for constructing a penetration structure for a fireproof compartment which comprises at least
 (1) a step of winding the epoxy resin-containing thermally expandable resin composition sheet described in the  claim 16  to a pipe(s) penetrating through a through hole(s) provided at the compartment, and   (2) a step of filling a gap between the pipe(s) wound by the epoxy resin-containing thermally expandable resin composition sheet and the through hole(s) provided at the compartment by an incombustible material.   
     
     
         19 . A method for constructing a penetration structure for a fireproof compartment which comprises at least
 (1) a step of winding the epoxy resin-containing thermally expandable resin composition sheet described in the  claim 17  to a pipe(s) penetrating through a through hole(s) provided at the compartment, and   (2) a step of filling a gap between the pipe(s) wound by the epoxy resin-containing thermally expandable resin composition sheet and the through hole(s) provided at the compartment by an incombustible material.   
     
     
         20 . The method for constructing a penetration structure for a fireproof compartment described in the  claim 18 , wherein a
 step of bending the epoxy resin-containing thermally expandable resin composition layer of the epoxy resin-containing thermally expandable resin composition sheet described in the  claim 16  to the direction in which the continuously formed linear grooves close, and winding the epoxy resin-containing thermally expandable resin composition sheet to the pipe(s) penetrating through the through hole(s) provided to the compartment by facing the linear grooves toward the pipe(s) side.   
     
     
         21 . The method for constructing a penetration structure for a fireproof compartment described in the  claim 19 , wherein a
 step of bending the epoxy resin-containing thermally expandable resin composition layer of the epoxy resin-containing thermally expandable resin composition sheet described in the  claim 17  to the direction in which the continuously formed linear grooves close, and winding the epoxy resin-containing thermally expandable resin composition sheet to the pipe(s) penetrating through the through hole(s) provided to the compartment by facing the linear grooves toward the pipe(s) side.   
     
     
         22 . The method for constructing a penetration structure for a fireproof compartment described in the  claim 20 , which is a step of bending the epoxy resin-containing thermally expandable resin composition layer of the epoxy resin-containing thermally expandable resin composition sheet described in the  claim 16  to the direction in which the continuously or intermittently formed linear grooves open, and winding the epoxy resin-containing thermally expandable resin composition sheet to the pipe(s) penetrating through the through hole(s) provided to the compartment by facing the linear grooves toward the outside. 
     
     
         23 . The method for constructing a penetration structure for a fireproof compartment described in the  claim 21 , which is a step of bending the epoxy resin-containing thermally expandable resin composition layer of the epoxy resin-containing thermally expandable resin composition sheet described in the  claim 17  to the direction in which the continuously or intermittently formed linear grooves open, and winding the epoxy resin-containing thermally expandable resin composition sheet to the pipe(s) penetrating through the through hole(s) provided to the compartment by facing the linear grooves toward the outside. 
     
     
         24 . The method for constructing a penetration structure for a fireproof compartment described in the  claim 22 , which comprises (3) a step of bending the epoxy resin-containing thermally expandable resin composition layer of the epoxy resin-containing thermally expandable resin composition sheet described in the  claim 16  to the direction in which the linear grooves open, and cracking the same along with the linear grooves. 
     
     
         25 . The method for constructing a penetration structure for a fireproof compartment described in the  claim 23 , which comprises (3) a step of bending the epoxy resin-containing thermally expandable resin composition layer of the epoxy resin-containing thermally expandable resin composition sheet described in the  claim 17  to the direction in which the linear grooves open, and cracking the same along with the linear grooves. 
     
     
         26 . The method for constructing a penetration structure for a fireproof compartment described in the  claim 22 , which comprises (4) a step of winding a base tape to the epoxy resin-containing thermally expandable resin composition sheet. 
     
     
         27 . The method for constructing a penetration structure for a fireproof compartment described in the  claim 23 , which comprises (4) a step of winding a base tape to the epoxy resin-containing thermally expandable resin composition sheet. 
     
     
         28 . The method for constructing a penetration structure for a fireproof compartment described in the  claim 24 , which comprises (4) a step of winding a base tape to the epoxy resin-containing thermally expandable resin composition sheet. 
     
     
         29 . The method for constructing a penetration structure for a fireproof compartment described in the  claim 25 , which comprises (4) a step of winding a base tape to the epoxy resin-containing thermally expandable resin composition sheet. 
     
     
         30 . The method for constructing a penetration structure for a fireproof compartment described in the  claim 18 , wherein the compartment used in the step (2) is a hollow wall, and
 at least one substrate layer laminated at the outside of the epoxy resin-containing thermally expandable resin composition layer contained in the epoxy resin-containing thermally expandable resin composition sheet contains an incombustible material.   
     
     
         31 . The method for constructing a penetration structure for a fireproof compartment described in the  claim 19 , wherein the compartment used in the step (2) is a hollow wall, and
 at least one substrate layer laminated at the outside of the epoxy resin-containing thermally expandable resin composition layer contained in the epoxy resin-containing thermally expandable resin composition sheet contains an incombustible material.   
     
     
         32 . The method for constructing a penetration structure for a fireproof compartment described in the  claim 30 , which comprises a step of winding a round or more the epoxy resin-containing thermally expandable resin composition sheet in which two or more respective linear grooves formed onto at least one surface of the epoxy resin-containing thermally expandable resin composition sheet are formed substantially perpendicular to the longitudinal direction of the epoxy resin-containing thermally expandable resin composition sheet with an interval from each other, in the substantially perpendicular direction to the longitudinal direction of the pipe(s). 
     
     
         33 . The method for constructing a penetration structure for a fireproof compartment described in the  claim 31 , which comprises a step of winding spirally the epoxy resin-containing thermally expandable resin composition sheet in which two or more respective linear grooves formed onto at least one surface of the epoxy resin-containing thermally expandable resin composition sheet are formed obliquely to the longitudinal direction of the epoxy resin-containing thermally expandable resin composition sheet with an interval from each other, to the longitudinal direction of the pipe(s).

Join the waitlist — get patent alerts

Track US2015079350A1 — get alerts on status changes and closely related new filings.

We store only your email — no account needed. See our privacy policy.