Precision cutting means

Details Precision cutting means Precision cutting means

1978-10-30

1980-09-02

Yost, Frank T.

Severing by tearing or breaking

Methods

With preliminary weakening

83 51, 83103, 83322, 83885, 93 36A, 225 97, B26F 300

Patent

active

042202728

ABSTRACT:
Precision cutting means adapted for use in cutting, e.g., small holes along a continuous web. The novel apparatus by which the process of the invention is to be carried out comprises opposed cutting means, mounted on either side of a path through which a web to be processed is moved. Each cuts only part way through the web, the cuts from each side being in exact register and leaving a blank which is secure until it is removed by positive mechanical action.

REFERENCES:
patent: 2141492 (1938-12-01), Southwick
patent: 2390072 (1945-12-01), Beaton
patent: 3263882 (1966-08-01), Nugent et al.
patent: 3524364 (1970-08-01), Bishop
patent: 3878746 (1975-04-01), Carmeli

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