Patent classifications
G
PHYSICS
Load children
G03
PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
Load children
G03B
APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
Load children
G03B1/42
Guiding, framing, or constraining film in desired position relative to lens system
Load children Filter patents View analytics View as hierarchy Open in page

G03B1/42

METHOD FOR MANUFACTURING SEPARATOR WEB, METHOD FOR MANUFACTURING SEPARATOR, SEPARATOR WEB, AND APPARATUS FOR MANUFACTURING SEPARATOR WEB
20170307542 · 2017-10-26 · ·

To easily specify the position of a defect in a separator, a method for producing a separator original sheet (12b) includes the steps of: forming a separator original sheet (12b) including a separator original sheet (12c) and a heat-resistant layer coated on the separator original sheet (12c); detecting a defect (D) in the separator original sheet (12b); and recording information including information on a position of the defect (D) which position is a position in the width direction of the separator original sheet (12b).

PRODUCTION METHOD FOR SEPARATOR SHEET, PRODUCTION METHOD FOR SEPARATOR, SEPARATOR SHEET WOUND BODY, AND SEPARATOR SHEET PRODUCTION DEVICE
20170307543 · 2017-10-26 ·

A separator producing method includes the steps of: winding up, around a core (81, 53), a separator (12a, 12b) having a defect (D) detected; and providing a defect code (DC2) including information on a position of the defect (D) in the longitudinal direction of the separator (12a, 12b) on (i) the outermost portion (86, 86b) of the separator (12a, 12b), wound around the core (81, 53), or (ii) the core (81, 53), around which the separator (12a, 12b) is wound.