Punching apparatus

Details Punching apparatus Punching apparatus

1976-11-10

1978-02-07

Abercrombie, Willie G.

Cutting

Cutting motion of tool has component in direction of moving...

Plural diverse flying cutters

83345, 83595, 83671, 83692, 83917, B26D 156

Patent

active

040720764

ABSTRACT:
Apparatus for punching out a plurality of notches of successively different lengths in an edge portion of a travelling web formed by a pair of rotatable wheels between which the web travels. A plurality of cutting elements, each formed by a bridge-type member having a pair of limbs, are located on one of the wheels with the space between the pair of limbs of each bridge-shaped member being different. The other wheel carries a plurality of cutting punches, each of a size and arranged to fit between the pair of limbs of a bridge-shaped cutting element on the other wheel to provide a shearing action upon engagement with the limbs of a said cutting element.

REFERENCES:
patent: 1433138 (1922-10-01), Kruse
patent: 1841296 (1932-01-01), Overbury
patent: 3067643 (1962-12-01), Ward, Jr.
patent: 3143022 (1964-08-01), Andersen

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