Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member

Introduced: September 1968

Full Title

Full 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 > Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member

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 ) > Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member

CPC subdivides this area 3x more granularly than IPC with 5 additional codes.

5 codes are CPC-only extensions, 1 exist only in IPC.

IPC defines codes here since 1974.

Child Classifications

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F16L 19/0206 CPC only CPC only
F16L 19/0212 +2 CPC CPC only CPC only
F16L 19/0231 CPC only CPC only
F16L 19/0237 CPC only CPC only
F16L 19/0243 CPC only CPC only
F16L 19/025 the pipe ends having integral collars or flanges since 1990 IPC+CPC Available in IPC and CPC
F16L 19/03 with flexible sealing rings between the sealing surfaces since 1974 IPC only IPC only