Tube bending machine

Details Tube bending machine Tube bending machine

1990-09-05

1994-04-19

Smith, Jerry

Boots, shoes, and leggings

36447407, 72 10, 72 14, 72 31, 72149, B21D 704

Patent

active

053052234

ABSTRACT:
A tube bending machine in which a tube detecting sensor detects an amount of bending a tube during the bending process and a controlling unit performs control so that the amount of bending detected by the sensor becomes a value corresponding to the program stored in a memory beforehand; thus, the second and subsequent tubes are bent accurately and efficiently by a drive command from the memory.

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patent: 4732025 (1988-03-01), Marlinga et al.
patent: 4959984 (1990-10-01), Trudell et al.
patent: 4979385 (1990-12-01), LaFrasse et al.
patent: 5007264 (1991-04-01), Haack
patent: 5050089 (1991-09-01), Stelson et al.

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