Self-adjusting seal assembly

Details Self-adjusting seal assembly Self-adjusting seal assembly

1976-06-10

1977-10-04

Schroeder, Werner H.

Pipe joints or couplings

With casing, lining or protector

Insulated

285189, 285224, 403187, F16L 5902

Patent

active

040520897

ABSTRACT:
A self-adjusting seal assembly is formed to fit around a member extending from a structure which is thermally insulated with insulation panels but which leaves a gap around the insulated member. The self-adjusting seal assembly covers this gap and automatically compensates for any gap variation due to thermal expansion and contraction. The assembly has a first spring biased seal member located on the insulation panel to partially abut against the member and partially seal the gap around the member. A second seal member is spring biased to abut against the first seal member to thereby completely enclose the member and the gap around the member. As the structure member expands or contracts the spring loaded seal members move to retain their position abutting the member and maintain the integrity of the gap seal.

REFERENCES:
patent: 645224 (1900-03-01), Boehling
patent: 1896225 (1933-02-01), Dyer
patent: 2268287 (1941-12-01), Kermode et al.
patent: 3198557 (1965-08-01), Portouw
patent: 3337224 (1967-08-01), Eser, Jr. et al.
patent: 3567232 (1971-03-01), Rickerson

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