Method of repairing or replacing piping and inflatable plug

Details Method of repairing or replacing piping and inflatable plug Method of repairing or replacing piping and inflatable plug

1988-04-29

1989-05-09

Walton, George L.

Pipes and tubular conduits

With closures and plugs

Inflatable

73 498, 137223, 137231, 137315, 138 97, F16L 5510, F16L 5518

Patent

active

048279846

ABSTRACT:
A method of repairing piping by inserting an inflatable plug 30 through a pressure housing 28 and valve 24, inflating the plug and then inserting a screwed sealed plug 47 into a special flange 49 which is attached to an existing pipe flange. The plug 30 has a sealing ring 36 with a tread 37 and segmented steel rings 38. After the plug is inserted the piping may be repaired or replaced and the inflatable plug deflated and removed with the screwed plug 47 by a system of rods extending through the valve and pressure housing.

REFERENCES:
patent: 2130030 (1938-09-01), Richardson
patent: 2309429 (1943-01-01), Ahern
patent: 2843154 (1958-07-01), Hosking
patent: 3473555 (1969-10-01), Martin et al.
patent: 3665966 (1972-05-01), Ver Nooy
patent: 4184504 (1980-01-01), Carmichael et al.
patent: 4342336 (1982-08-01), Satterthwaite et al.
patent: 4442867 (1984-04-01), de Sivry et al.
patent: 4671518 (1987-06-01), Retz

Affiliated with

Also associated with

Rating

Method of repairing or replacing piping and inflatable plug does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method of repairing or replacing piping and inflatable plug, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of repairing or replacing piping and inflatable plug will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-82559