Producing apparatus of film with through-holes
AssigneeAsahi Kogaku Kogyo Kabushiki Kaisha
InventorMinoru Suzuki
Life of this patent
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Abstract
A producing apparatus of a film with through-holes includes a pair of stretching rollers which sandwich a film therebetween and stretch the film. The producing apparatus further includes a pair of punching rollers which sandwich the film therebetween and punch through-holes in the film. At least one of the punching rollers has projections formed on an outer surface thereof. The stretching rollers and the punching rollers are disposed so that the film stretched by the stretching rollers are fed to the punching rollers.
Claims10
A producing apparatus configured to produce a printer ink transfer film as a shape memory film with through-holes useable for printer ink transfer, the shape memory film being made of a shape memory resin, said producing apparatus comprising:
- a pair of stretching rollers which sandwich the shape memory film therebetween and stretch the shape memory film in at least one direction;
- at least one first heater provided in a region of at least one of said stretching rollers, which heats said film to a temperature above a shape providing temperature of the shape memory resin;
- a pair of punching rollers, at least one of which has projections formed on an outer surface thereof, which sandwich the shape memory film therebetween and punch through-holes therethrough in the shape memory film;
- and
- at least one second heater provided in a region of at least one of said punching rollers, which heats the shape memory film to a temperature above a glass transition temperature of the shape memory resin while the through-holes are punched therethrough.
Dependencies are inferred from the claim text.