Method for holding a moving film

Details Method for holding a moving film Method for holding a moving film

1985-11-06

1987-07-28

Lowe, James

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

26 71, 2642884, 4251748E, B29C 5506

Patent

active

046830936

ABSTRACT:
The present invention relates to a method for holding a moving film comprising bringing each surface of a set of conductive rolls into contact with a front surface and a back surface of a moving film respectively, at least one of the surfaces of the set of rolls being constructed of an elastomer, and holding the moving film by the surfaces of the set of rolls while establishing a high electric potential difference between the set of rolls.
The present invention provides a useful method for conveying or stretching the film at high speed without operational troubles, thereby providing a strong film free from scratches or foreign particles on the surface.

REFERENCES:
patent: 3619460 (1971-11-01), Chill
patent: 4477407 (1984-10-01), Hethington et al.

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