Title:
フィラメントの製造方法
Document Type and Number:
Japanese Patent JP7389342
Kind Code:
B2
Abstract:
To provide a method for producing a filament, capable of stably producing a filament, the outer layer of which has small thickness.SOLUTION: A method for producing a filament, the inner layer of which is coated with an outer layer, includes a coating step of forming the outer layer for coating the inner layer by using an outer layer resin composition extruded from an extruder through the rotation of a screw of the extruder. In the screw, a value of [(screw pitch P)/(screw diameter D)] is 0.1-0.9.SELECTED DRAWING: Figure 1
Inventors:
Takushi Umura
Application Number:
JP2020007105A
Publication Date:
November 30, 2023
Filing Date:
January 20, 2020
Export Citation:
Assignee:
Kyoraku Co., Ltd.
International Classes:
D01F8/14; B29C48/154; B29C48/16; B29C48/505; B29C64/112; B33Y70/00; D01D4/00; D01D5/34; D01F8/00
Domestic Patent References:
| JP62128726A | ||||
| JP7195493A | ||||
| JP2016019324A | ||||
| JP2019084769A | ||||
| JP2016193601A | ||||
| JP2016193602A |
Attorney, Agent or Firm:
SK Patent Attorney Corporation
Akihiko Okuno
Hiroyuki Ito
Akihiko Okuno
Hiroyuki Ito
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