JP2017064697A5

JP2017064697A5 -

Info

Publication number: JP2017064697A5
Application number: JP2016139434A
Authority: JP
Filing date: 2016-07-14
Publication date: 2018-10-11
Anticipated expiration: 2035-09-30

Claims

In the film manufacturing method including the process of conveying a long film in the liquid in the liquid tank,
A first step of passing the film above the first and second rollers disposed above the liquid tank;
A second step of lowering one or more third rollers into the liquid between the first and second rollers from above the film;
The film manufacturing method , wherein a maximum distance between the films being conveyed in a direction orthogonal to a descending direction of the third roller is larger than a distance between the first and second rollers in the orthogonal direction .

Including a third step of rearranging at least one of the first to third rollers to increase the contact area between the film and the third roller;
The said 3rd process WHEREIN: At least one of the said 1st and 2nd roller is moved, The space | interval of the said 1st and 2nd roller in the orthogonal direction with respect to the descent | fall direction of the said 3rd roller is narrowed. 2. The method for producing a film according to 1.

3. The film according to claim 2, wherein in the third step, at least one of the first and second rollers is rotated with respect to a rotation shaft disposed in parallel to the rotation shaft. Production method.

At least one of the first and second rollers is
Provided above the wall surface of the liquid tank;
The said 3rd process WHEREIN: It is connected to the 4th roller rotated in the same direction as the at least one roller of the said 1st and 2nd roller with respect to the said rotating shaft. Film manufacturing method.

5. The film manufacturing method according to claim 4, wherein in the third step, the first and fourth rollers rotate in the same direction.

A plurality of the third rollers are provided;
Including a third step of rearranging at least one of the first to third rollers to increase the contact area between the film and the third roller;
The film manufacturing method according to claim 1, wherein in the third step, at least one of the plurality of third rollers is moved.

The film manufacturing method according to claim 6, wherein in the third step, two of the plurality of third rollers are arranged along a bottom surface of the liquid tank.

The film manufacturing method according to claim 6, wherein the plurality of third rollers are connected to each other.

One ends of the plurality of third rollers are connected to each other by a first bearing member,
The other ends of the plurality of third rollers are connected to each other by a second bearing member,
The film manufacturing method according to claim 6, wherein the first and second bearing members are connected to each other.

The film is a laminated film having a functional layer formed on one side,
The film manufacturing method according to claim 1, wherein in the first step, the functional layer is directed downward.

A film manufacturing apparatus comprising a transport device for transporting a long film in a liquid in a liquid tank,
First and second rollers disposed on the upper side of the liquid tank;
One or more third rollers;
A power unit for lowering the third roller into the liquid from above the film between the first and second rollers;
With
The film manufacturing apparatus, wherein a maximum distance between the films being conveyed in a direction orthogonal to a descending direction of the third roller is larger than a distance between the first and second rollers in the orthogonal direction.