Blade for severing fibrous material

Details Blade for severing fibrous material Blade for severing fibrous material

1983-02-07

1985-10-08

Meister, James M.

Cutting

By tool reciprocable along elongated edge

With means permitting tool to be rotatably adjusted about...

83578, 83697, 83925CC, 30273, D06H 700

Patent

active

045452750

ABSTRACT:
An elongated blade has a notch in its leading edge, with parallel chisel edges adapted to chop through the oriented fibers (boron or graphite) of uncured sheet material as the blade is reciprocated vertically at a high frequency relative to its forward velocity (five cycles per blade width). The notch is about half as deep as the blade width and has a vertical extent (between the chisel edges) of about 60 percent of the blade's vertical stroke. The blade has a lower edge which forms a 135 degree angle with it's leading edge, and which lower edge is spaced below the lower notch chisel edge by approximately the width of the blade.

REFERENCES:
patent: D94945 (1935-03-01), Burdge
patent: 2636267 (1953-04-01), Whitcomb
patent: 2671267 (1954-03-01), Michalek
patent: 3001287 (1961-09-01), Rocovich
patent: 3573857 (1971-04-01), Sederberg
patent: 4133236 (1979-01-01), Pearl

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