Pinch apparatus using rolls

Details Pinch apparatus using rolls Pinch apparatus using rolls

1987-04-07

1989-02-14

Spruill, Robert L.

Metal deforming

By use of roller or roller-like tool-element

With carrier for roller-couple or tool-couple

29122, 291161, 72203, 72243, 100162B, 100168, 100176, B21B 3116, B21B 2702

Patent

active

048038776

ABSTRACT:
A pinch apparatus in which a pair of rolls, comprising rollers whose peripheral length decreases from the center portion in the axial direction towards each end disposed on the curved roller shaft rotatably, are arranged opposedly utilizing a flat part throughout the axial direction at an external periphery of the roller. The pinch apparatus feeds out a material being passed through in quantity corresponding to peripheral lengths in each part of the roller. The apparatus also includes an adjusting device which adjusts the shaft angle and roll ascending and descending portions.

REFERENCES:
patent: 1317713 (1919-10-01), Linder
patent: 1338178 (1980-04-01), Henderson
patent: 2732591 (1956-01-01), Whittum
patent: 3168435 (1965-02-01), Beachler
patent: 3728767 (1973-04-01), Shirai
patent: 3729788 (1973-05-01), Tawa
patent: 3884623 (1975-05-01), Slack
patent: 4068360 (1978-01-01), Freuler
patent: 4253392 (1981-03-01), Brandon et al.
patent: 4305191 (1981-12-01), Enomoto
U.S. Defensive Publication T967,010, Feb. 7, 1978 by Stryjewski, "Fuser Roller".

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