The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 22, 2023

Filed:

Mar. 02, 2021
Applicant:

Nitto Denko Corporation, Ibaraki, JP;

Inventors:

Junichi Inagaki, Ibaraki, JP;

Takeshi Murashige, Ibaraki, JP;

Kazuhito Hosokawa, Ibaraki, JP;

Toshihiro Kanno, Ibaraki, JP;

Kota Nakai, Ibaraki, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 37/00 (2006.01); B29C 65/48 (2006.01); B29C 65/00 (2006.01); C03C 17/32 (2006.01); B29L 9/00 (2006.01);
U.S. Cl.
CPC ...
B32B 37/0046 (2013.01); B29C 65/48 (2013.01); B29C 66/72 (2013.01); C03C 17/32 (2013.01); B29L 2009/00 (2013.01);
Abstract

Provided is a production method for a film laminate by which a tough film can be bonded to a brittle film while the breakage of the brittle film is prevented. The production method for a film laminate of the present invention includes bonding a tough film having an elongated shape to a brittle film having an elongated shape while conveying the brittle film, wherein the method includes bonding the tough film and the brittle film to each other by bringing the tough film close to the brittle film, followed by blowing of a gas from a side of the tough film opposite to the brittle film.


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