Tapping sleeve

Details Tapping sleeve Tapping sleeve

1990-06-18

1991-08-20

Reese, Randolph A.

Pipe joints or couplings

End to side or plate

Saddle-type clamp

285156, 285198, 285373, 285419, 285146, F16L 1112

Patent

active

050408283

ABSTRACT:
A tapping sleeve for attaching a branch line to a main fluid conduit. The tapping sleeve has upper and lower sleeve members, bolted together around the main fluid conduit. Shell gaskets seal between the sleeve members and the main fluid conduit and a branch gasket seals around a side opening in the upper sleeve member. Metal shell gasket retaining rings secure the shell gaskets in place and a metal branch gasket retainer secures the branch gasket. In the preferred embodiment, the retainer is a retaining ring. In an alternate embodiment, the branch gasket is secured by a shoulder formed by extruding the upper sleeve member.

REFERENCES:
patent: 873689 (1907-12-01), Van Winkle
patent: 3204665 (1965-09-01), Faint
patent: 3471176 (1969-10-01), Gilchrist
patent: 3840255 (1974-10-01), Daghe
patent: 4708373 (1987-11-01), Morriss, Jr.
patent: 4895397 (1990-01-01), Miller

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