Self-adjusting branch piping seal

Details Self-adjusting branch piping seal Self-adjusting branch piping seal

1989-02-10

1990-02-13

Arola, Dave W.

Pipe joints or couplings

End to side or plate

Saddle-type clamp

285351, 285423, F16L 4100

Patent

active

049000691

ABSTRACT:
The present invention provides a branch type seal which is self adjusting for use on existing pipelines of various diameters and materials. The invention includes an adapter with a longitudinal bore which is axially aligned with the hole in the main pipeline. A plurality of deformable retaining fingers extending outward from the adapter engage a compression seal. The retaining fingers are deformed to contour to the pipeline surrounding the hole by a hubbed retainer which places pressure on the retaining fingers deforming the fingers and compression seal against the wall of the pipeline creating a leak proof seal.

REFERENCES:
patent: 3364939 (1968-01-01), Valenziano
patent: 3622184 (1971-11-01), Deasy
patent: 3880452 (1975-04-01), Fields
patent: 4441744 (1984-04-01), Oostenbrink

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