Duct seal

Details Duct seal Duct seal

1978-12-22

1981-09-29

Callaghan, Thomas F.

Pipe joints or couplings

End to side or plate

Penetrating

248 56, 285224, 285DIG1, F16L 4100

Patent

active

042919053

ABSTRACT:
A duct seal including a supporting assembly adapted to support a duct extending through an opening in a partition and a mounting assembly mountable by the partition for guiding and retaining the supporting assembly. The seal maintains a seal against overpressure while permitting the duct to shift bi-directionally lengthwise and about its axis rotatively and orbitally. The seal is particularly useful as an aircraft firewall duct seal.

REFERENCES:
patent: 1802353 (1931-04-01), Rousek et al.
patent: 2404539 (1946-07-01), Schmidt
patent: 2410999 (1946-11-01), Reisner
patent: 2574142 (1951-11-01), Buongirno
patent: 2813692 (1957-11-01), Bremer et al.
patent: 2992023 (1961-07-01), Yantis
patent: 4052089 (1977-10-01), Weaver
patent: 4068854 (1978-01-01), Douglass, Jr.
patent: 4184689 (1980-01-01), Brodell et al.
Bestobell Aviation Products Limited, Data Sheet BAS 183, Slough, Bucks, England, May 1972.

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