Tubing expander

Details Tubing expander Tubing expander

1987-01-12

1988-11-29

Chiesa, Richard L.

Plastic article or earthenware shaping or treating: apparatus

Preform reshaping or resizing means: or vulcanizing means...

Rod or tubular preform

425392, 425394, 425403, 425515, B29C 5704

Patent

active

047878380

ABSTRACT:
Apparatus for expanding resilient tubing includes first and second pins, sized to be received into the tubing to be expanded. The second pin, extending from a carriage, is separated from the first pin by the movement of the carriage from a first position adjacent the first pin to a second position spaced apart from the first pin. The carriage is impelled by a foot-switch actuated air cylinder.

REFERENCES:
patent: 1067115 (1913-07-01), Hufford
patent: 3553780 (1971-01-01), Kuhlemann
patent: 3749365 (1973-07-01), Van Gompel
patent: 3841133 (1974-10-01), Rice, Jr.
patent: 4080140 (1978-03-01), Wilson et al.
patent: 4155242 (1979-05-01), Peterson
patent: 4403938 (1983-09-01), Seach et al.
patent: 4475373 (1984-10-01), Ikenberry
patent: 4494398 (1985-01-01), Svoboda

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