Rehabilitation of water supply pipes

Details Rehabilitation of water supply pipes Rehabilitation of water supply pipes

2005-02-22

2005-02-22

Hook, James (Department: 3754)

Pipes and tubular conduits

Repairing

Patches

C138S097000, C405S184100

Reexamination Certificate

active

06857451

ABSTRACT:
A water supply pipe has a tubular liner of a polyolefin elastomer/plastomer installed therein. To install it, a messenger pig is attached to a line that pulls the liner through the pipe. The liner is produced by extrusion and die drawing during extrusion.

REFERENCES:
patent: 2794758 (1957-06-01), Harper et al.
patent: 3875606 (1975-04-01), Landers
patent: 4016620 (1977-04-01), Powers
patent: 4069535 (1978-01-01), Cato
patent: 4509222 (1985-04-01), Knapp
patent: 4818314 (1989-04-01), Brittain et al.
patent: 5368669 (1994-11-01), Maine et al.
patent: 5447664 (1995-09-01), Ito et al.
patent: 5447665 (1995-09-01), Steketee, Jr.
patent: 5625917 (1997-05-01), Hawkins
patent: 5924158 (1999-07-01), Watts
patent: 6109829 (2000-08-01), Cruickshank
patent: RE36859 (2000-09-01), Storah, deceased
patent: 6145150 (2000-11-01), Knapp
patent: 6644356 (2003-11-01), Connor et al.
patent: 20030017007 (2003-01-01), Bass et al.
patent: 2381057 (2003-04-01), None

Affiliated with

Also associated with

Rating

Rehabilitation of water supply pipes does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Rehabilitation of water supply pipes, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Rehabilitation of water supply pipes will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3466039