Pipe weld repair device and method for the installation thereof

Details Pipe weld repair device and method for the installation thereof Pipe weld repair device and method for the installation thereof

1986-01-21

1987-12-01

Marcus, Stephen

Pipes and tubular conduits

Repairing

Patches

228119, F16L 5516

Patent

active

047097299

ABSTRACT:
A pipe weld repair structure adapted to seal leaks or cracks at a weld circumferentially disposed in a pipe. Includes at least two pipe clamp segments disposed around the pipe and connected together to form complete clamp. Each clamp segment defines two inner surfaces adapted to be in contact with outer surface of pipe when clamps are connected together around pipe. Each clamp segment defines an inner grooved recess disposed between inner surfaces and adapted to enclose a weld circumferentially disposed around pipe when clamps are connected together around pipe. Clamp segments define an internal diameter when clamp segments are connected to form complete clamp. Internal diameter is conventional fit around pipe while clamp segments are at sufficiently high temperature to cause thermal expansion. Internal diameter is a shrink fit around the surfaces of pipe after clamp segments are connected together while at sufficiently high temperature and subsequently allowed to cool to same temperature as pipe. Bolted flanges are adapted to connect clamp segments together in sealed relationship to form complete clamp and to retain shrink fit of clamp around pipe. Ports provided in clamp segments permit entry of a liquid sealant into recess. Inner surfaces may be serrated as by knurling for more gripping power.

REFERENCES:
patent: Re10877 (1887-10-01), Wilbur
patent: 689455 (1901-12-01), Bickford
patent: 2984899 (1961-05-01), Richter et al.
patent: 3550638 (1970-12-01), Smith
patent: 3685545 (1972-08-01), Smith et al.
patent: 3954288 (1976-05-01), Smith

Affiliated with

Also associated with

Rating

Pipe weld repair device and method for the installation thereof does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Pipe weld repair device and method for the installation thereof, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pipe weld repair device and method for the installation thereof will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1925661