Sealing fitting with expanding material

Details Sealing fitting with expanding material Sealing fitting with expanding material

2003-03-18

2008-03-11

Patel, Vishal (Department: 3673)

Seal for a joint or juncture

Process of static sealing

Pipe, conduit, or cable

C277S627000, C285S216000, C174S15300A, C174S157000

Reexamination Certificate

active

07341255

ABSTRACT:
An expanding compound is used to seal conduit fittings. The compound is injected into the fitting, and expands to separate conductors within the fitting. In one embodiment, the compound expands to four times its size, and hardens within approximately one hour. In a further embodiment, the compound is a two-part product that is mixed in a self contained applicator and injected into the fitting.

REFERENCES:
patent: 3758916 (1973-09-01), Wetmore
patent: 4086736 (1978-05-01), Landrigan
patent: 4454381 (1984-06-01), Ito et al.
patent: 4607469 (1986-08-01), Harrison
patent: 5137306 (1992-08-01), Flood
patent: 5278357 (1994-01-01), Yamanashi
patent: 5560618 (1996-10-01), Wambeke et al.
patent: 6103341 (2000-08-01), Barz et al.

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