Fitting apparatus for soft tubing

Pipe joints or couplings – Nonmetal to metal – Internal member

Patent

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Details

285104, 285386, 285421, 285423, F16L 3300, F16L 3316, F16L 2500

Patent

active

045001189

ABSTRACT:
A fitting (30) for use with soft tubing (40) is disclosed. The fitting includes a threaded female member (36) defining an aperture for insertion therethrough of the tubing. The fitting further includes a male member (32) defining a generally tubular portion (46) adapted for insertion into the end of the tubing. The male member includes a radially extending flange for preventing the insertion of tubular portion into the tubing beyond a predetermined distance. The male member is further threaded for threading onto the female member. A sliding mandrel (48) is positioned on the tubular portion for axial movement thereof. The female member includes a generally inwardly projecting collar portion (64) for engaging the outer surface of the tubing, the collar portion cooperating with the sliding mandrel to maintain the tubing in the fitting when a tensile pull is exerted on the tubing.

REFERENCES:
patent: 792626 (1905-06-01), Stephans
patent: 863745 (1907-08-01), Nelson
patent: 1171551 (1916-02-01), Stephens
patent: 2333612 (1943-11-01), Zimmer
patent: 2382010 (1945-08-01), Miller
patent: 2940778 (1960-06-01), Kaiser
patent: 3222091 (1965-12-01), Marshall
patent: 3226137 (1965-12-01), Trnka
patent: 3381982 (1968-05-01), Elek
patent: 3393267 (1968-07-01), Busse
patent: 3918679 (1975-11-01), Silvana
patent: 3957293 (1976-05-01), Rodgers
patent: 4157843 (1979-06-01), Trnka
Brochure entitled "Gra-Tec".
Brochure entitled "Parker".
Brochure entitled "Jaco".

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