Closure head for a hydraulic tube-testing bench

Details Closure head for a hydraulic tube-testing bench Closure head for a hydraulic tube-testing bench

1987-08-10

1988-08-30

Bryant, III, James E.

Pipes and tubular conduits

With closures and plugs

Test plugs

138 89, 73 491, 73 498, 277 34, G01M 328

Patent

active

047669349

ABSTRACT:
A closure head (2) for a hydraulic tube-testing bench includes a head body (4) including a first bore (5) into which one end of a tube (1) may be freely inserted. A second bore (11) of larger diameter than the first bore has a resilient sealing ring (10) inserted at the end thereof. A fluid under pressure is conveyed into a chamber (40) constituted between the outer periphery of the sealing ring and the second bore enabling the sealing ring to be contracted against the tube. The sealing ring is prevented from moving axially on its side furthest from the end of the tube by an annular series of thrust sectors (13) which are independent from said sealing ring. The sectors are clamped against the tube while also enabling them to be retracted away therefrom. The sectors are axially retained on their sides furthest from said sealing ring. The closure head is characterized in that axial retaining of the thrust sectors is achieved by comprise a packing press (18) fixed to the head body, and a rubbing plate (19) in contact with the packing press and which includes a circular peripheral rim (20) which engages, when the thrust sectors are in the retracted position, in a groove (21) provided in the periphery of the thrust sectors.

REFERENCES:
patent: 2818914 (1958-01-01), Thomann et al.
patent: 3331238 (1967-07-01), Kost et al.
patent: 3803901 (1974-04-01), McConnell
patent: 4194389 (1980-03-01), Laging
patent: 4523455 (1985-06-01), Zacharias
patent: 4537407 (1985-08-01), Jansen et al.
patent: 4646559 (1987-03-01), Taelke
patent: 4646561 (1987-03-01), Taelke

Affiliated with

Also associated with

Rating

Closure head for a hydraulic tube-testing bench does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Closure head for a hydraulic tube-testing bench, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Closure head for a hydraulic tube-testing bench will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2082352