Pipe joints or couplings – With casing – lining or protector
Reexamination Certificate
2004-07-15
2009-08-11
Bochna, David E (Department: 3679)
Pipe joints or couplings
With casing, lining or protector
C285S333000, C285S390000, C138S09600T
Reexamination Certificate
active
07571936
ABSTRACT:
A screw connection element having an outer threaded portion and a sealing means (19) which is disposed in the threads thereof is described. According to the invention, the screw connection element is provided with a protective covering (18) which surrounds the outer threaded portion, is produced from a flexible material and is intended for retaining the sealing means (19) in the threads. In addition, the invention relates to the protective covering (18) itself (FIG.7).
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Balshuesemann Uwe
Schneider Harald
Schneider Martin
Bochna David E
Striker Michael J.
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