Apparatus for perforating a paper sample

Details Apparatus for perforating a paper sample Apparatus for perforating a paper sample

1978-10-25

1980-11-04

Meister, J. M.

Cutting

Tool pair comprises rotatable anvil and fixed-type tool

Anvil has motion in addition to rotation

B26D 308

Patent

active

042312736

ABSTRACT:
Apparatus for providing various different lines of perforations in a paper sample for use in a testing apparatus. The perforating apparatus includes a replaceable blade mounted on a base. A roller is mounted on the base for movement along the blade. Means are provided for adjusting the pressure applied by the roller to the paper sample disposed between the blade and roller.

REFERENCES:
patent: 175069 (1876-03-01), Giraudat
patent: 593878 (1897-11-01), Du Brul
patent: 1204961 (1916-11-01), Baby et al.
patent: 3456540 (1969-07-01), Manini
patent: 3566736 (1971-03-01), Johnson
patent: 3744360 (1973-07-01), Currie

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