CPC Subgroup
F16L 19/08 with metal rings which bite into the wall of the pipe
Full Title
Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts (F16L17/00 takes precedence; if using bolts or equivalent connecting means F16L23/00; connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics F16L47/00 ) > with metal rings which bite into the wall of the pipe
2 direct subcodes
Child Classifications
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- F16L 19/10 the profile of the ring being altered