Pipes and tubular conduits – With closures and plugs – Test plugs
Patent
1994-09-19
1996-05-21
Bryant, III, James E.
Pipes and tubular conduits
With closures and plugs
Test plugs
138 89, 138 92, F16L 5510
Patent
active
055180337
ABSTRACT:
An inspection plug assembly includes an elastomeric outer sleeve which may be compressed into the skin of an insulating jacket for forming a seal between the assembly and the jacket by mechanically anchoring the assembly to the jacket, without requiring the use of adhesives. The plug includes pull tabs to facilitate removal of the plug from the sleeves. A lanyard may be attached to the plug and the jacket without disturbing the sealing function.
REFERENCES:
patent: 1363153 (1920-12-01), Murray
patent: 3233775 (1966-02-01), Bozek
patent: 3658096 (1972-04-01), Higuera
patent: 3827462 (1974-08-01), Celesta
patent: 4091842 (1978-05-01), Greenwalt et al.
patent: 5014866 (1991-05-01), Moore
patent: 5351718 (1994-10-01), Barton
Bryant III James E.
Curfiss Robert C.
Sepco Industries
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