Cutting – Tool or tool with support – Reciprocable type
Patent
1977-04-28
1979-01-02
Schran, Donald R.
Cutting
Tool or tool with support
Reciprocable type
83925A, B26D 108
Patent
active
041321383
ABSTRACT:
A cutter for a cutting machine wherein a large number of inclined grooves having an angle relative to the edge of the cutter are formed in parallel on the rear side of the cutter, whereby the job of cutting stacked sheets of paper into book blocks of a predetermined size and the job of forming groove portions at the back parts of the book blocks can be simultaneously executed in the production of brochures.
REFERENCES:
patent: 604813 (1898-05-01), Ward
patent: 3509790 (1970-05-01), Hoppe
patent: 3528332 (1970-09-01), Thumim
Marumiya Shoko Co., Ltd.
Schran Donald R.
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