Sewer pipe smoke blocking device

Details Sewer pipe smoke blocking device Sewer pipe smoke blocking device

1986-09-24

1987-09-22

Levy, Stewart J.

Measuring and testing

With fluid pressure

Leakage

73 407, 138 93, G01M 328

Patent

active

046946950

ABSTRACT:
A sewer pipe smoke blocking device for inserting into a sewer pipe to prevent smoke introduced into the pipe from leaking therepast, having a hollow cylindrical housing adapted for receipt into the sewer pipe. An inflatable bladder surrounds the outer circumference of the housing and a gate assembly is mounted at one end of the housing to selectively close the hollow of the housing to just below the level of sewer water flowing therethrough.

REFERENCES:
patent: 4195520 (1980-04-01), Shaver

Affiliated with

Also associated with

Rating

Sewer pipe smoke blocking device does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Sewer pipe smoke blocking device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Sewer pipe smoke blocking device will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2051841