Connector seal comprising rachet teeth

Details Connector seal comprising rachet teeth Connector seal comprising rachet teeth

2011-04-05

2011-04-05

Hewitt, James M (Department: 3679)

Pipe joints or couplings

End to side or plate

Gland

C285S136100, C285S196000, C285S215000, C285S332200, C285S334300, C285S338000

Reexamination Certificate

active

07918486

ABSTRACT:
A connector seal device for connecting a branch pipe to a transverse opening of a main pipe, including a hollow elastomer insert of a first material and a pipe union of a harder second material. The elastomer insert may include a flexible support collar, a sealing wall region with a tapered inside surface having first locking ring zones, and an outside surface adapted to fit the transverse opening. The pipe union may include an engagement end with a tapered outside surface having second locking ring zones. The pipe union may include a socket end adapted to cooperate with the branch pipe. When the elastomer insert is inserted into the transverse opening and the pipe union is pushed into the elastomer insert, the first and second locking ring zones engage in the manner of ratchet teeth to press the elastomer insert against the transverse opening.

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International Preliminary Report on Patentability and Written Opinion of the International Searching Authority (English Translation), dated May 29, 2006, issued in connection with counterpart Application No. PCT/EP2004/007231.

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