F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
285/47
F16L 21/08 (2006.01) F16L 25/00 (2006.01) F16L 37/084 (2006.01)
Patent
CA 2026196
A fitting connection for joining plastic tubing to associated structure comprises a main fitting body having an axially inwardly extending cylindrical chamber with an inner end portion of a diameter d1 terminating at its innermost end in a radially inward extending wall. The outer end of the chamber opens to the exterior of the body and has an open diameter d2 which is larger than d1 with a shoulder at the juncture between the inner and outer end portions of the chamber. Plastic tubing having a circumferential corrugation adjacent an end portion thereof extends axially into the chamber with the innermost end of the tubing abutting the wall. A retaining ring acts to retain the tubing in the fitting body and includes a sleeve received in the outer portion of the chamber with the innermost end of the sleeve in engagement with the shoulder and a plurality of resilient tabs having free ends extending toward the shoulder. Radially inward extending first detents are carried on the tabs adjacent their free ends at a location to enter into the circumferential corrugation on the tubing and radially outward extending second detents are carried on the exterior of the tabs to extend into radially open slots formed in the fitting body adjacent the shoulder for preventing axial withdrawal of the retaining ring and the tubing.
Lamson & Sessions Co. (the)
Sim & Mcburney
LandOfFree
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