F16L 19/00 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 )
Introduced: September 1968
Title
Titles differ between systems:
IPC: 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
CPC: 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 )
Full Title
Full titles differ between systems:
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
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 )
Of 5 combined children, 4 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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- F16L 19/02 Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member +5 CPC −1 IPC IPC+CPC Available in IPC and CPC
- F16L 19/04 using additional rigid rings, sealing directly on at least one pipe end, which is flared either before or during the making of the connection +3 CPC IPC+CPC Available in IPC and CPC
- F16L 19/06 in which radial clamping is obtained by wedging action on non-deformed pipe ends +3 CPC IPC+CPC Available in IPC and CPC
- F16L 19/08 with metal rings which bite into the wall of the pipe +1 CPC IPC+CPC Available in IPC and CPC