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 )

Child Classifications

Navigate with arrow keys, Enter to open

• F16L 19/005 CPC only CPC only
• 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