Device for punching and longitudinal cutting of a web processed

Details Device for punching and longitudinal cutting of a web processed Device for punching and longitudinal cutting of a web processed

1987-06-25

1990-04-17

Schran, Donald R.

Cutting

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

Combined with other type cutter

83345, 83482, 83503, 83506, 835083, B26D 122

Patent

active

049169912

ABSTRACT:
A punching and longitudinal cutting device for rotary folders includes two pairs of opposite web feeding rollers fixedly arranged on shafts. One shaft in a first pair carries an edge trimming blade and a punching or perforating blade and is adjustable in radial direction relative to the other shaft by means of cams controlled by a control shaft. The angular position of the cams is adjustable so that the one shaft can be adjusted either in parallel or in an inclined position relative to the other shaft. The other shaft is axially adjustable relative to the frame. The other shaft supports a counter blade cooperating with the edge cutting blade, a counter roll and a carrier for supporting two coplanar counter rolls cooperating with the punching or perforating blade. The coplanar counter rolls are axially displaceable on the carrier and held in a fixed position relative to the frame.

REFERENCES:
patent: 1051803 (1913-01-01), Cardell
patent: 1663788 (1928-03-01), Zimniewicz
patent: 2324950 (1943-07-01), Pratt
patent: 3257887 (1966-06-01), Jones
patent: 3332326 (1967-07-01), Haas
patent: 3364803 (1968-01-01), Senftleben
patent: 3570335 (1971-03-01), Marin
patent: 3603190 (1971-09-01), Kollen
patent: 3641853 (1972-02-01), Jungbeck
patent: 3956957 (1976-05-01), Corse

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