Pipe joints or couplings – Packed – Screw thimble
Reexamination Certificate
2007-12-18
2007-12-18
Bochna, David (Department: 3679)
Pipe joints or couplings
Packed
Screw thimble
C285S387000, C285S038000
Reexamination Certificate
active
11280115
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.
Bochna David
Cooke, Jr. Charles M.
Sieberth & Patty L.L.C.
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