Static structures (e.g. – buildings) – Wall – ceiling – or floor designed for utilities – Load-bearing – prefabricated – abutting units with aligned...
Patent
1986-08-13
1987-06-02
Bell, J. Karl
Static structures (e.g., buildings)
Wall, ceiling, or floor designed for utilities
Load-bearing, prefabricated, abutting units with aligned...
52317, 285192, E04F 1708
Patent
active
046692444
ABSTRACT:
A seal for an opening to receive a pipe. The seal has tubular body members, one receivable within the other. The tubular body members form a container for an insulating material. There are end caps for each body member and each end cap has spaced inner and outer end walls and a central opening. A sealing ring is slidably fitted between the end walls of each end cap. The sealing ring is a close fit on the exterior of the pipe. The end caps are able to locate on the tubular body member.
REFERENCES:
patent: 3087514 (1963-04-01), Highsmith
patent: 3591190 (1971-07-01), Winay
patent: 3731448 (1973-05-01), Leo
patent: 4071267 (1978-01-01), Davis
patent: 4086736 (1978-05-01), Landrigan
patent: 4270775 (1981-06-01), Nuensie et al.
patent: 4304297 (1981-12-01), Margraf
patent: 4337603 (1982-07-01), Davidson
patent: 4431198 (1984-02-01), Beinhaur et al.
patent: 4607469 (1986-08-01), Harrison
LandOfFree
Fire stop does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Fire stop, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Fire stop will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-605101