Title:
製品ロールの製造方法および製品ロールの製造装置
Document Type and Number:
Japanese Patent JP6755200
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To improve the appearance quality of a product film subjected to vacuum process processing by preventing minute wrinkles and scratches from occurring on a film in the process of depressurizing a space including a raw material roll from the atmospheric pressure.SOLUTION: A method for manufacturing a product roll comprises: connecting a tip portion of a film 41 wound around a raw material roll 40 to an end portion of a lead film 41a; depressurizing the periphery of the raw material roll 40 from the atmospheric pressure atmosphere to a predetermined reduced pressure atmosphere in the state of pressing a pressing member 30 extended in the width direction of the film 41 against the outer peripheral surface of the raw material roll 40; separating the pressing member 30 from the raw material roll 40 in the reduced pressure atmosphere; and feeding the film 41 from the raw material roll 40 in the reduced pressure atmosphere to start vacuum process processing to the film 41.SELECTED DRAWING: Figure 1
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Inventors:
Hiroki Hayakawa
Yusuke Taguchi
Murakami Koji
Yusuke Taguchi
Murakami Koji
Application Number:
JP2017014425A
Publication Date:
September 16, 2020
Filing Date:
January 30, 2017
Export Citation:
Assignee:
Kaneka Corporation
International Classes:
C23C14/56; B65H16/00
Domestic Patent References:
| JP2001302050A | ||||
| JP10316776A | ||||
| JP2000327186A | ||||
| JP2009298571A | ||||
| JP201574810A | ||||
| JP2002237171A | ||||
| JP8134645A |
Attorney, Agent or Firm:
Patent business corporation Ikeuchi and Partners