Belle-lock grip device

Details Belle-lock grip device Belle-lock grip device

1982-11-22

1986-03-04

Callaghan, Thomas F.

Pipe joints or couplings

Essential catch

Leaf spring

285340, 2853822, F16L 3712

Patent

active

045737134

ABSTRACT:
The present invention provides a pipeline connector which uses collected conical rings as a holding mechanism designed to penetrate a pipe surface as they are simultaneously flattened. Several rings are required to achieve the total required shear load transfer area. The penetrating rings preferably are separated by shorter, non-penetrating rings to increase the loading area, thus limiting the external pressure loading on the pipeline.

REFERENCES:
patent: 991374 (1911-05-01), Rolle
patent: 2209181 (1940-07-01), Wendel
patent: 2992840 (1961-07-01), Reynolds et al.
patent: 2995388 (1961-08-01), Morello, Jr. et al.
patent: 3697102 (1972-10-01), Falke
patent: 3985379 (1976-10-01), Normark
patent: 4084843 (1978-04-01), Gassert
patent: 4235461 (1980-11-01), Normark
patent: 4373753 (1983-02-01), Ayers et al.
patent: 4478439 (1984-10-01), Arnold

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