Trimming apparatus and method

Details Trimming apparatus and method Trimming apparatus and method

1989-07-26

1991-02-12

Phan, Hien H.

Cutting

Processes

Plural cutting steps

83 54, 83193, 83588, 83622, 83636, 83694, 83914, B26D 109, B26D 516

Patent

active

049914782

ABSTRACT:
The excess covering material is trimmed from a workpiece using a blade assembly having side by side blade segments with cutting edges aligned with the contour to be cut. A rubber roller applies a longitudinal cutting force to the blade segments in sequential fashion by rolling across the blade segments ends opposite the cutting ends. The blade segments are returned to the noncutting position by a tension wire threaded through a notch in the shaft of each of the blade segments. Cutting pressure is adequate to cut through at least three layers of covering material without scoring the substrate. The rubber roller provides certain resiliency which helps control the cutting pressure.

REFERENCES:
patent: 3172327 (1965-03-01), Hazzard
patent: 3461761 (1969-08-01), Mojonnier
patent: 4125045 (1978-11-01), Jeremic
patent: 4243456 (1981-01-01), Cesano
patent: 4583436 (1986-04-01), Asano
patent: 4633745 (1987-01-01), Asano
patent: 4785695 (1988-11-01), Riley

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