Method and apparatus for cleaning vulcanization molds for elasto

Details Method and apparatus for cleaning vulcanization molds for elasto Method and apparatus for cleaning vulcanization molds for elasto

1997-02-27

1999-07-27

Evans, Geoffrey S.

Electric heating

Metal heating

By arc

134 1, B23K 2600

Patent

active

059285338

ABSTRACT:
In a vulcanization mold (2) for vehicle tires the rubber blend deposits are cleaned off by the action of one or more laser beams (9) supplied in the form of short-duration and high-energy pulses, which beams cause separation of the rubber blend by effect of the shock wave generated by them and hitting the operating surfaces of the mold (2). Each laser beam (9) is guided by a scanning unit (21a, 21b) mounted on a rotating column (16) for distributing the beam action over the whole circumferential extension of the mold.

REFERENCES:
patent: 3905155 (1975-09-01), Smith et al.
patent: 4088865 (1978-05-01), Peters et al.
patent: 4728773 (1988-03-01), Roberts et al.
patent: 5373140 (1994-12-01), Nagy et al.
patent: 5643367 (1997-07-01), Viel

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