Interlocking pipe ball joint

Details Interlocking pipe ball joint Interlocking pipe ball joint

1976-10-18

1979-01-02

Shedd, Wayne L.

Pipe joints or couplings

Ball and socket

Radially spaced spherical surfaces

2853825, 285331, 29441R, 29523, F16L 2704

Patent

active

041324374

ABSTRACT:
A ball joint for connecting lengths of pipe particularly for use in automotive exhaust systems. One end of a first pipe is enlarged to an increased diameter to form a female portion into which one end of a second pipe is received. A tubular sleeve is inserted into said first pipe and connected thereto as by welding. The sleeve and the female portion together define an annular, axially elongated and radially narrow passage receiving said one end of said second pipe. The first and second pipes and the sleeve are together placed in a die, and the overlapping ends are spun radially outwardly by an internal, expansible arbor or the like to form a generally spherical, interlocking pipe ball joint.

REFERENCES:
patent: 468298 (1892-02-01), White et al.
patent: 2284754 (1942-06-01), McGarry
patent: 2695446 (1954-11-01), Meyer
patent: 3002269 (1961-10-01), Hopkins

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