using additional rigid rings, sealing directly on at least one pipe end, which is flared either before or during the making of the connection

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 ) > using additional rigid rings, sealing directly on at least one pipe end, which is flared either before or during the making of the connection

Child Classifications

Navigate with arrow keys, Enter to open

• F16L 19/041
• F16L 19/043
• F16L 19/048
• F16L 19/05 with a rigid pressure ring between the screwed member and the exterior of the flared pipe end