Resealable sealing assembly for inspection port hole

Details Resealable sealing assembly for inspection port hole Resealable sealing assembly for inspection port hole

1977-07-28

1978-05-30

Hall, George T.

Pipes and tubular conduits

With closures and plugs

Test plugs

220307, F16L 5510

Patent

active

040918424

ABSTRACT:
A resealable sealing assembly for inspection port holes cut through the insulation of insulated surfaces is provided by the method and apparatus of this invention. The resealable sealing assembly is comprised of a rigid sleeve permanently installed in the insulation port hole and a removable plug made of compressible elastomeric material which, when inserted in the rigid sleeve, forms weatherproof seals at two separate surface areas between the plug and the sleeve. The resealable sealing assembly is applicable for use in a wide variety of textures of insulation from very soft and flimsy to hard.

REFERENCES:
patent: 3233775 (1966-02-01), Bozek
patent: 3658096 (1972-04-01), Higuera
patent: 3827462 (1974-08-01), Celesta

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