Title:
FIRESTOP COLLAR FOR PROVIDING WATER AND GAS SEALING POST-FIRE EXPOSURE
Document Type and Number:
WIPO Patent Application WO/2022/026816
Kind Code:
A3
Abstract:
A firestop assembly configured for sealing about a pipe extending through a passage in a building structure division with a sealing element sealing the passage about the pipe. The firestop assembly includes a tube configured to be positioned about the pipe and secured relative to the building structure division. An intumescent material is positioned within the tube. A heat reduction insulation is supported by the tube such that the heat reduction insulation extends about the sealing element and minimizes heating of the sealing element.
Inventors:
LOPES JULIO (US)
SCHMITT PETER (US)
CIANFAGLIONE D J (US)
SCHMITT PETER (US)
CIANFAGLIONE D J (US)
Application Number:
PCT/US2021/043877
Publication Date:
March 24, 2022
Filing Date:
July 30, 2021
Export Citation:
Assignee:
SPECIFIED TECH INC (US)
International Classes:
A62C2/06; E04B1/94; F16L5/04
Foreign References:
| JP2017180818A | 2017-10-05 | |||
| US20060060369A1 | 2006-03-23 | |||
| EP2497871A1 | 2012-09-12 | |||
| US5103609A | 1992-04-14 | |||
| US5996643A | 1999-12-07 |
Attorney, Agent or Firm:
MASSINA, Glenn (US)
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