Pipe joints or couplings – With assembly means or feature – Guide and support
Reexamination Certificate
2007-12-27
2010-02-16
Dunwoody, Aaron M (Department: 3679)
Pipe joints or couplings
With assembly means or feature
Guide and support
C024S0200CW
Reexamination Certificate
active
07661717
ABSTRACT:
An annular positioning projection integrally has a body portion extending in a circular arc, one end portion projecting from one circumferential end of the body portion toward one raised portion and connected to a radial outer surface of the one raised portion, and the other end portion projecting from the other circumferential end of the body portion toward the other raised portion and connected to a radial outer surface of the other raised portion. An outer surface of one end portion thereof extends in a tangential direction with respect to one circumferential end of an outer surface of the body portion, and an outer surface of the other end portion extends in a tangential direction with respect to the other circumferential end of an outer surface of the body portion.
REFERENCES:
patent: 2006/0186668 (2006-08-01), Sakazaki et al.
patent: 2006/0277724 (2006-12-01), Sakazaki
patent: 4-194486 (1992-07-01), None
patent: 2003-314759 (2003-11-01), None
Sakazaki Kazushige
Sugita Kentaro
Andrus Sceales Starke & Sawall LLP
Dunwoody Aaron M
Tokai Rubber Industries Ltd.
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