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Patent Searching and Data


Title:
フィルムロールの製造システム、および、フィルムロールの製造方法
Document Type and Number:
Japanese Patent JP7084432
Kind Code:
B2
Abstract:
This system 1 for producing a film roll R is provided with a knurling machine 6 and a winding machine 7. The knurling machine 6 forms knurls K1, K2 on the ends of a film F in the width direction TD. The winding machine 7 winds the film F having the knurls K1, K2 formed therein and produces a film roll R. The knurls K1, K2 have a wavy shape that extends in a flow direction MD while undulating in the width direction TD. The winding machine 7 winds the film F so that the positions of the knurls K1, K2 match in the width direction TD with respect to the film roll R.

Inventors:
Noriaki Hata
Masaru Shinagawa
Itonaga Kaoru
Application Number:
JP2020003912A
Publication Date:
June 14, 2022
Filing Date:
January 14, 2020
Export Citation:
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Assignee:
NITTO DENKO CORPORATION
International Classes:
B65H18/08; B29C59/16; B29D7/01
Domestic Patent References:
JP8175708A
JP4811343A
JP2012192546A
Foreign References:
WO2015166971A1
Attorney, Agent or Firm:
Hiroyuki Okamoto
Shinichi Uda