Method for removing contaminant from surface of mold die

Details Method for removing contaminant from surface of mold die Method for removing contaminant from surface of mold die

1998-12-17

2000-07-11

Vargot, Mathieu D.

Plastic and nonmetallic article shaping or treating: processes

Optical article shaping or treating

Light polarizing article or holographic article

264 39, 2643281, 425225, 425542, B29D 1100, B29C 4500

Patent

active

060867981

ABSTRACT:
A removable plastic film is attached to the mold die whenever the mold dies needs to be cleaned. Using such a film, the problems with cleaning the mold dies are avoided because whenever the mold dies need cleaning, the film may simply be placed over the mold and simply peeled off to remove all contaminants from the mold. The contaminants stick to the peeled off film and so are removed from the mold.

REFERENCES:
patent: 4670329 (1987-06-01), Pas
patent: 4879082 (1989-11-01), Kudo et al.
patent: 4935175 (1990-06-01), Kitaura et al.

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