Internal expansion coupling device

Details Internal expansion coupling device Internal expansion coupling device

1990-02-08

1991-03-26

Reese, Randolph A.

Pipe joints or couplings

Connector for conduit housing electromagnetic line:

Having box and connector

285162, 285197, F16L 4108

Patent

active

050023179

ABSTRACT:
This invention relates to an internal expansion coupling device for forming a T-joint between essentially perpendicularly disposed tubular members, where one of the tubular member is provided with a circular wall opening aligned with an open end of the other tubular member, and said circular wall opening includes an elastomeric collar thereabout. The device hereof comprises

REFERENCES:
patent: 3141687 (1964-07-01), Broberg et al.
patent: 3958313 (1976-05-01), Rossborough
patent: 4478434 (1984-10-01), Little

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