Pipe joints or couplings – Particular interface
Reexamination Certificate
2005-04-05
2005-04-05
Fox, John (Department: 3753)
Pipe joints or couplings
Particular interface
C285S917000
Reexamination Certificate
active
06874824
ABSTRACT:
A connection structure providing a sealed joint between first and second fluid conducting parts has a first seal surface on a first part, a second seal surface on a second part, and an annular elastomeric gasket positioned between the first and second seal surfaces. At least one of the first and second seal surfaces has at least one projection extending from a respective seal surface. The projection is adapted to pierce the elastomeric gasket and abut the opposing seal surfaces upon assembly of the first and second parts at relatively low, hand-tool torque levels.
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Anderson Gaylen
Bansa Patrice B.
Charron Charles S.
Husebye Trygve
Zenga Antonio
Bereskin and Paar
Dahl Brothers Canada Limited
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