Separable coupling between two tubes and its production process

Details Separable coupling between two tubes and its production process Separable coupling between two tubes and its production process

1973-12-13

1976-01-20

Schroeder, Werner H.

Pipe joints or couplings

Temperature responsive joint element; e.g., shrunk fit

Memory plastic element

285137R, F16L 4700

Patent

active

039333795

ABSTRACT:
The present invention concerns a separable coupling between two tubes.
According to the invention, a tube of a thermoplastic material which dilates under the action of heat and which retains its dilated form after cooling, is used as first tube, the extremity of the first tube is introduced in a sleeve of an elastomer material, which has an internal diameter at most equal to the external diameter of the second tube and which is inserted in a rigid hollow cylindrical body, provided at least at the end of the introduction of the first tube with an abutment for the sleeve, and the extremity of the first tube introduced in the sleeve is heated to dilate this extremity.

REFERENCES:
patent: 1677221 (1928-07-01), Wertheimer
patent: 3382121 (1968-05-01), Sherlock
patent: 3453007 (1969-07-01), Roland
patent: 3634924 (1972-01-01), Blake

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