F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
251/54
F16K 5/06 (2006.01) F16K 27/06 (2006.01)
Patent
CA 1146143
Title of the Invention PLASTIC VALVE Abstract of the Disclosure A valve wholly made of a synthetic resin and being of the type wherein a body and a flanged body cap are coupled to each other by screwing a cap nut to the peripheral surface of the body, said cap nut being adapted to be put movably around the peripheral surface of the body cap and to stop moving by a seat of the body cap; characterized in that the body cap consists of (1) a tubular first element having a flange at one end, a disengagement-preventing portion formed at the other end to be connected to the body, and an annular groove formed inwardly of, and adjacent to, the disengagement-preventing portion and (2) a ring-like second element having a small diameter portion adapted to be fitted into the annular groove of the first element, a large- diameter portion adapted to contact the outer surface of the disengagement-preventing portion of the first element, and a rear wall adapted to stand upright diametrically outwardly from the outside wall of the first element when the second element is coupled to the first element, said second element being cut at one site in its circumferential direction to form two cut ends, and that the first element is coupled to the second element by putting the cap nut around the first element, tempo- rarily deforming the ring-like second element, and putting the deformed second element around the first element to fit the small-diameter portion of the second element into the annular groove of the first element and position the large-diameter portion of the second element on the disengagement-preventing portion of the first element, whereby the second element forms the seat of the body cap.
374184
Sekisui Kogaku Kogyo Kabushiki Kaisha
Smart & Biggar
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