Pipe joints or couplings – Packed – Screw thimble
Reexamination Certificate
2006-02-07
2006-02-07
Bochna, David E. (Department: 3679)
Pipe joints or couplings
Packed
Screw thimble
C285S387000, C285S038000
Reexamination Certificate
active
06994380
ABSTRACT:
A quick connect and disconnect pipe coupling and seal assembly including a first generally cylindrical coupling head having a bore therein for connection to a first conduit and a raised annular ring, a second generally cylindrical coupling head having a bore therein for connection to a second conduit, external male threads, and an annular recess for receiving an O-ring, and a generally cylindrical coupling ring for holding the first coupling head therein, the coupling ring having a threaded bore for receipt of the external male threads of the second coupling head to connect the first coupling head to the second coupling head and to force the O-ring received in the annular recess of the second coupling head into contact with the annular ring on the first coupling head to form a high pressure seal between the first coupling head and the second coupling head.
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Hiltap Fittings Ltd. HT3TL Series Chemical/Solvent Transfer Safe Quick Couplings 4 pages.
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