Tube retaining compression fitting

Details Tube retaining compression fitting Tube retaining compression fitting

1975-04-14

1977-05-10

Kundrat, Andrew V.

Pipe joints or couplings

Particular interface

285340, 2853827, 285341, F16L 2500

Patent

active

040224996

ABSTRACT:
A compression fitting for use with tubular conduits wherein the fitting includes means for retaining the desired positioning of the conduit or tube within the fitting prior to completion of the making of the joint by the tightening of the compression nut. The tube retaining means disclosed take the form of two embodiments. One of the tube retainers is in the form of gripping means which engage the tube when initially inserted into the fitting to prevent partial axial withdrawal of the tube prior to completion of the joint. Spring biased edges embed into the tube exterior surface preventing inadvertent axial displacement of the tube prior to axial forces being imposed upon the tube during completion of the joint. The second type of tube retention utilizes a plurality of serrations engaging the end of the tube which embed into the tube end and retain the tube against rotation relative to the fitting during tightening of the compression nut.

REFERENCES:
patent: 1512298 (1924-10-01), Mueller
patent: 2330841 (1943-10-01), Parker
patent: 2986409 (1961-05-01), Weber

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