Pipe joints or couplings – Pipe to discreet nipple or sleeve to plate – Plate clamped between flanged nipple and separate fastener
Reexamination Certificate
2006-10-17
2006-10-17
Dunwoody, Aaron (Department: 3679)
Pipe joints or couplings
Pipe to discreet nipple or sleeve to plate
Plate clamped between flanged nipple and separate fastener
C285S208000
Reexamination Certificate
active
07121589
ABSTRACT:
Tank fittings are provided. A tank fitting has a coupling. The coupling includes a flange disposed between a first end and a second end of the coupling. External threads are disposed between the flange and the first end. A gasket is disposed on the coupling between the flange and the first end of the coupling so as to abut the flange. The tank fitting also includes a nut that is threadably attachable to the external threads of the coupling.
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NORWESCO, Inc. “Valves & Couplers”, Copyright 2002 NORWESCO, Inc., VC20M1202, pp. 1-14.
Hawkinson James R.
Paulson Jerome T.
Dunwoody Aaron
Leffert Jay & Polglaze P.A.
Norwesco Inc.
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