Pipe member, method and apparatus for manufacturing the pipe mem

Details Pipe member, method and apparatus for manufacturing the pipe mem Pipe member, method and apparatus for manufacturing the pipe mem

1998-03-27

2000-10-17

Crane, Daniel C.

Metal deforming

By deflecting successively-presented portions of work during...

By use of deflector arranged to bend work transversely of...

72183, 72 52, 52108, B21D 512

Patent

active

061314315

ABSTRACT:
There is disclosed a pipe member rolled up as a coil and roll-formed, the pipe member made of material having a spring-back characteristics and having a specific residual stress distribution existing along a direction perpendicular to the rolling-up direction of said pipe member, the specific residual stress distribution being formed by being wounded around a longitudinal direction thereof by roll-forming, and when the member is unfurled out, two longitudinal edge portions of the member being overlapped to each other thus forming a pipe shape.

REFERENCES:
patent: 2315640 (1943-04-01), Morse
patent: 3144104 (1964-08-01), Weir
patent: 4018397 (1977-04-01), Rusch
patent: 4265690 (1981-05-01), Loweenhar
patent: 4796797 (1989-01-01), Nakako
patent: 5725026 (1998-03-01), Maimeets
J.D. MacNaughton, Unflurlable Metal Structures for Spacecraft, The De Havilland Aircraft of Canada Ltd. Apr. 1963.

Affiliated with

Also associated with

Rating

Pipe member, method and apparatus for manufacturing the pipe mem 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 member, method and apparatus for manufacturing the pipe mem, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pipe member, method and apparatus for manufacturing the pipe mem will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-457939