Coating film removing method and coating film removing equipment for removing coating film from coated film
AssigneeToray Industries, Inc.
InventorsYoshihisa HIGASHIDA, Kiyoshi TANINO, Kazutaka WATANABE
Life of this patent
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Abstract
Provided is a coating film removing method for removing a coating film from a coated film including the coating film on at least one surface of a base film. The method includes: forming a scratch, a cut, or a hole in the coating film on a surface on a coating film side of the coated film, or forming the scratch, the cut, or the hole that reaches the coating film on a surface on a no coating film side of the coated film; then bringing a cleaning liquid into contact with the coating film; and then removing the coating film containing the cleaning liquid from the coated film.
Claims8
A coating film removing method for removing a coating film from a coated film including the coating film on at least one surface of a base film, the method comprising:
- without bringing a cleaning liquid into contact with the coating film, forming a scratch, a cut, or a hole in the coating film on a surface on a coating film side of the coated film, or forming the scratch, the cut, or the hole that reaches the coating film on a surface on a no coating film side of the coated film;
- then bringing a cleaning liquid into contact with the coating film;
- and
- then removing the coating film containing the cleaning liquid from the coated film.
A coating film removing equipment configured to remove a coating film from a coated film including the coating film on at least one surface of a base film, the removing equipment comprising:
- a coating film damaging mechanism configured to, without supplying a cleaning liquid to the coating film, form a scratch, a cut, or a hole in the coating film on a surface on a coating film side of the coated film, or form the scratch, the cut, or the hole that reaches the coating film on a surface on a no coating film side of the coated film;
- a cleaning liquid supplying mechanism configured to supply a cleaning liquid to the coating film of the coated film in which the scratch, the cut, or the hole has been formed;
- and
- a removing mechanism configured to remove the coating film containing the cleaning liquid from the coated film.
Dependencies are inferred from the claim text.