Cutting device for cutting a strip of unvulcanized rubber

Details Cutting device for cutting a strip of unvulcanized rubber Cutting device for cutting a strip of unvulcanized rubber

1988-12-30

1990-05-08

Watts, Douglas D.

Cutting

With means to stretch work temporarily

83282, 83453, 83517, 83614, 83623, 83701, B26D 714

Patent

active

049227742

ABSTRACT:
A cutting device for cutting strips of unvulcanized rubber to proper lengths for building a pneumatic tire, in particular a radial tire, said device comprising at least one conveyor and a cutting apparatus working crosswise with respect to said conveyor for cutting a strip of unvulcanized rubber, wherein said apparatus for cutting said strip comprises means to vibrate a knife longitudinally to and fro with high frequency e.g. ultrasonic frequency and means to move the knife vibrating longitudinally to and fro along a track crosswise with respect to said strip.

REFERENCES:
patent: 2539240 (1951-01-01), Firestone
patent: 2948177 (1960-08-01), Arvidson
patent: 3737361 (1973-06-01), Obeda
patent: 4391168 (1983-07-01), Gerber et al.
patent: 4437369 (1984-03-01), Brocklehurst et al.
patent: 4488465 (1984-12-01), Brand et al.
patent: 4567797 (1986-02-01), Folk
patent: 4601225 (1986-07-01), Starnes et al.

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