T-joint method and product

Details T-joint method and product T-joint method and product

1980-12-19

1983-02-01

Kundrat, Andrew V.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

403205, 256 65, 285156, B21D 5300

Patent

active

043707904

ABSTRACT:
The cross-piece portion of a tubular T-joint has a cross-section of constant inside diameter from one end of the cross-piece to the other and increasing outside diameter from one end towards it center, then decreasing from its center towards it opposite end to define a double tapered tube wall for the cross-piece of maximum thickness at its center. A stem portion for the T-joint is in the form of a hollow tube extending normally away from the center portion of the cross-piece to terminate in a free end. The cross-section of the stem has a constant inside diameter from its free end to its point of interception with the cross-piece and an outside diameter increasing from its free end to its point-of-interception with the cross-piece so that the maximum thickness of the T-joint is at the interception between the cross-piece and the stem and yet the inside diameters are all uniform so that other tubes can be readily telescoped through the cross-piece.

REFERENCES:
patent: 2157274 (1939-05-01), Williams
patent: 2470499 (1949-05-01), Lapp
patent: 3040427 (1962-06-01), Howell
patent: 3502357 (1970-03-01), Wagner

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