METHOD FOR MANUFACTURING AGRICULTURAL FILM, AND AGRICULTURAL FILM

Title:

METHOD FOR MANUFACTURING AGRICULTURAL FILM, AND AGRICULTURAL FILM

Document Type and Number:

WIPO Patent Application WO/2014/132945

Kind Code:

A1

Abstract:

[Problem] To provide a method for manufacturing an agricultural film, whereby it is possible to obtain an agricultural film having excellent durability, in which cracking is not prone to occur at a crease of the agricultural film on which an anticlouding coating is formed. [Solution] A method for manufacturing an agricultural film, wherein are included a flattening step for crushing flat a long cylindrically molded film to form a strip (19) of constant width, an anticlouding membrane formation step for forming an anticlouding coating on an external peripheral surface of the strip (19), a cutting step for making a slit (37) and cutting along the longitudinal direction at the center in the width direction in a bottom-side film (23) or a top-side film (21) of the strip (19) after the anticlouding coating has been dried, a folding step for folding the strip (19) into four layers along the slit (37) so that the slit (37) is inside, and a winding step for winding the four-layer folded strip into a roll shape.

Inventors:

IGARASHI SATOSHI (JP)
CHIEDA MANABU (JP)
FUKUDA TAKURO (JP)
KARUBE JUNICHI (JP)

Application Number:

PCT/JP2014/054449

Publication Date:

September 04, 2014

Filing Date:

February 25, 2014

Export Citation:

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Assignee:

KASEI CO C I (JP)

International Classes:

A01G9/14; A01G13/02; B29C53/10; B32B27/00; B32B38/00

Foreign References:

JP2000355460A	2000-12-26
JPH11127700A	1999-05-18
JP2003103630A	2003-04-09
JPS5193963A	1976-08-18
JP2000355460A	2000-12-26
JPH11127700A	1999-05-18

Other References: