Title:
押出成形用ダイ
Document Type and Number:
Japanese Patent JP7456257
Kind Code:
B2
Abstract:
To provide a die for extrusion molding, in which a width of a flow path where a molten resin passes in a lateral direction can be adjusted with high accuracy.SOLUTION: A die for extrusion molding comprises: a die body having a wall portion separating a cavity and an adjustment flow path which is a part of the flow path through which the molten resin flows and a convex portion protruding from the wall portion toward the cavity side; a slide block placed in the cavity; and an adjustment device that is connected to the slide block and moves the slide block. The convex portion comprises a first inclined surface that is inclined with respect to an inner wall facing the adjustment flow path of the wall portion. The slide block comprises a second inclined surface along the first inclined surface and in contact with the first inclined surface.SELECTED DRAWING: Figure 1
Inventors:
Yoshihiro Mori
Manabu Katayama
Manabu Katayama
Application Number:
JP2020073618A
Publication Date:
March 27, 2024
Filing Date:
April 16, 2020
Export Citation:
Assignee:
Mitsubishi Chemical Corporation
International Classes:
B29C48/31; B28B3/26
Domestic Patent References:
| JP60157216U | ||||
| JP5096604A | ||||
| JP7015321U | ||||
| JP8052782A | ||||
| JP9024535A | ||||
| JP2000025092A | ||||
| JP2000343582A | ||||
| JP2010167584A |
Foreign References:
| US4517145 |
Attorney, Agent or Firm:
Sakai International Patent Office