Method for forming flanges on plastic pipe

Details Method for forming flanges on plastic pipe Method for forming flanges on plastic pipe

1990-04-24

1992-03-10

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

To produce composite, plural part or multilayered article

29237, 138109, 1563042, 264249, 264269, 264273, 264274, 264322, 264339, 264265, 264263, 285 55, 285422, 285917, B29C 5704, B29C 4318

Patent

active

050947958

ABSTRACT:
A method is shown for forming a flange on an end of a plastic pipe liner of the type used to line a tubular member. A reinforced disc having a rigid portion and an elastomeric portion is placed about the liner exterior and moved into position flush with the flanged end of the tubular member. A retaining ring is placed about the reinforced disc and the disc and liner exposed end are heated to render the materials malleable. A forming unit is then used to apply force to the liner to flow the liner into a reformed shape having a greater external diameter than the remainder of the liner. The forming operation also bonds the reinforced disc to the reformed liner end to further resist any tendency of the liner end to be retracted into the interior of the tubular member.

REFERENCES:
patent: 2608501 (1952-08-01), Kimble
patent: 3142868 (1964-08-01), Blount
patent: 3341894 (1967-09-01), Flaming
patent: 3390442 (1968-07-01), Sosnowski, Jr. et al.
patent: 3650550 (1972-03-01), West
patent: 3921673 (1975-11-01), Pero
patent: 3959424 (1976-05-01), Dawson et al.
patent: 4302183 (1981-11-01), Pero
patent: 4496499 (1985-01-01), Brittain et al.
patent: 4525319 (1985-06-01), Kaspe
patent: 4537425 (1985-08-01), Press et al.
patent: 4961796 (1990-10-01), Perrin et al.
Installation and Fabrication Manual, Dow Chemical Company, pp. 20-24.

Affiliated with

Also associated with

Rating

Method for forming flanges on plastic pipe 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 for forming flanges on plastic pipe, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for forming flanges on plastic pipe will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2283213