F16L 21/04 in which sealing rings are compressed by axially-movable members
Introduced: September 1968
Full Title
Full titles differ between systems:
Joints with sleeve or socket > with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings > in which sealing rings are compressed by axially-movable members
Joints with sleeve or socket (F16L13/00, F16L17/00, F16L19/00 take precedence; connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics F16L47/00; specially adapted for pipes of brittle material F16L49/00) > with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings (F16L21/06, F16L21/08 take precedence; if adjustability is essential F16L27/00) > in which sealing rings are compressed by axially-movable members
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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