Ribbed pipe clamp with sealing sleeve

Details Ribbed pipe clamp with sealing sleeve Ribbed pipe clamp with sealing sleeve

2005-05-25

2008-08-12

Hewitt, James M (Department: 3679)

Pipe joints or couplings

Packed

Sleeve

C285S397000, C285S398000, C285S419000, C285S420000, C024S279000, C024S0200CW

Reexamination Certificate

active

07410192

ABSTRACT:
A pipe coupler for use in connecting a pair of automotive exhaust pipe ends each having a circumferential rib. The pipe coupler includes a ribbed band and internal split sealing sleeve along with a tightening mechanism for clamping the band and sleeve over the pipe ends. The sealing sleeve fits within the band and both the sleeve and band have a pair of ribs positioned to fit over the ribs on the pipe ends. The sleeve extends circumferentially from a first end to a second end, and includes a tongue-and-groove sealing configuration located axially inwardly of the ribs at the first and second ends. Each tongue has a particular construction that accommodates larger clamp opening dimensions required to fit the coupler over the pipe ribs during assembly. The sleeve can include inwardly protruding sealing beads that help prevent leakage of exhaust gases from the pipe junction.

REFERENCES:
patent: 2227551 (1941-01-01), Morris
patent: 3004781 (1961-10-01), Morris
patent: 4142743 (1979-03-01), McGowen et al.
patent: 4380348 (1983-04-01), Swartz
patent: 4473246 (1984-09-01), McDowell
patent: 4813720 (1989-03-01), Cassel
patent: 5116083 (1992-05-01), Gillingham et al.
patent: 6877780 (2005-04-01), Potts et al.
patent: 2002/0014772 (2002-02-01), Amedure et al.
patent: 2004/0216284 (2004-11-01), Belisle et al.

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