Hydrostatic drain testing machine

Details Hydrostatic drain testing machine Hydrostatic drain testing machine

1991-09-19

1996-03-05

Williams, Hezron E.

Measuring and testing

With fluid pressure

Leakage

73 405R, G01M 308

Patent

active

054957508

ABSTRACT:
The invention is an apparatus for detecting leaks in pipe systems. The apparatus has an elongate body to which are attached two pairs of inflatable seals; one pair adjacent one end and the other pair adjacent the opposite end of the body. A testing zone is defined between the pairs of seals. The seals of each pair are spaced one from the other along the length of the body and, when inflated, are capable of sealingly engaging the inner walls of a pipe to be tested. The apparatus also has an air supply to inflate the seals; a water supply to supply water to the testing zone; a pressure sensor between the seals of each pair to detect incomplete sealing between the seals, when they are inflated, and the inner walls of the pipe; and a pressure sensor within the testing zone to detect changes in water level in the testing zone.

REFERENCES:
patent: Re33160 (1990-02-01), Guthrie et al.
patent: 2664750 (1954-01-01), McCrink
patent: 3538746 (1970-11-01), Jacobs et al.
patent: 3566675 (1971-03-01), Ledebur
patent: 3750711 (1973-08-01), Conklin et al.
patent: 4081990 (1978-04-01), Chatagnier
patent: 4116044 (1978-09-01), Garrett
patent: 4631953 (1986-12-01), Chausse
patent: 4848406 (1989-07-01), Stauner et al.
The National Association of Sewer Service Companies (NASSCO), Recommended Specifications for Sewer Collection System Rehabilitation, Section 6, pp. 17-21, (Sep. 1990).

Affiliated with

Also associated with

Rating

Hydrostatic drain testing machine does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Hydrostatic drain testing machine, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Hydrostatic drain testing machine will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1405884