PRODUCTION METHOD FOR PLEATED FILM, AND PRODUCTION METHOD OF PLEATED PACKAGING BODY

Title:

PRODUCTION METHOD FOR PLEATED FILM, AND PRODUCTION METHOD OF PLEATED PACKAGING BODY

Document Type and Number:

WIPO Patent Application WO/2018/135445

Kind Code:

A1

Abstract:

The purpose of the present invention is to provide a production method for a pleated film. The production method for a plated film according to the present invention comprises: an introduction step for, by moving a long film for a packing body, introducing the film into a gap between a pair of pleat-forming plates disposed with the gap therebetween such that the inner surface of the film faces the gap; a step for fixing the film to the pair of pleat-forming plates; and a step for forming a pleat extending in the short direction of the film by closing the gap between the pair of pleat-forming plates, wherein the pair of pleat-forming plates have seal bars on surfaces at which the pleat-forming plates face each other, and the introduction step is performed by at least one of (A) a method for introducing the film by blowing air from the inner surface side of the film, (B) a method for introducing the film by sucking gas in the atmosphere through a suctioning member disposed on the outer surface side of the gap portion between the pair of pleat-forming plates, and (C) a method for introducing the film by a pair of rollers disposed on the outer surface sides of the film.

Inventors:

ASAI KENICHI (JP)

Application Number:

PCT/JP2018/000862

Publication Date:

July 26, 2018

Filing Date:

January 15, 2018

Export Citation:

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Assignee:

CHOKOKU PLAST CORP (JP)

International Classes:

B31B70/52; B65B9/073; B65B9/213

Domestic Patent References:

WO2000007903A1

2000-02-17

Foreign References:

JP2003231189A	2003-08-19
JP2003200506A	2003-07-15
JP2008133051A	2008-06-12
JP2003191963A	2003-07-09
JP2003200506A	2003-07-15
JP2003231189A	2003-08-19
JP2008133051A	2008-06-12

Other References: