Wall feedthrough fitting

Details Wall feedthrough fitting Wall feedthrough fitting

1996-12-27

1998-10-27

Reese, Randolph A.

Seal for a joint or juncture

Process of static sealing

Pipe, conduit, or cable

277315, 277316, 277604, 277607, 277616, F16L 2102

Patent

active

058268863

ABSTRACT:
An anchored guide tube centered on an axis and a conduit passing axially through the tube are relatively sealed by a feedthrough fitting having a flexible and shrinkable sleeve having an inner portion secured to an outer surface of the guide tube at an end thereof and a outer portion folded back over the inner portion and forming an annular fold generally at the tube end. A lubricant or the like is provided for facilitating sliding of the outer portion on the inner portion from a storage position folded back over and lying on the inner portion and a use position extending outward past the tube end away from the inner portion.

REFERENCES:
patent: 4086736 (1978-05-01), Landrigan
patent: 4538389 (1985-09-01), Heinen
patent: 4836558 (1989-06-01), Anderson et al.
patent: 4946175 (1990-08-01), Nordin et al.
patent: 5529312 (1996-06-01), Skinner et al.
patent: 5540450 (1996-07-01), Hayashi et al.
patent: 5667224 (1997-09-01), Streckert et al.

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