Title:
模様付製品成形用押出しダイス
Document Type and Number:
Japanese Patent JP7104268
Kind Code:
B2
Abstract:
[Problem] To provide an extrusion die for molding a patterned product, whereby, during molding of a pattern on the front surface of a flat plate formed from a plastic material, recesses and projections can be prevented from occurring on the back surface. [Solution] An extrusion die 1 for molding a patterned product, for molding a pattern on the surface of a flat plate 40 formed from an aluminum alloy as a plastic material extruded continuously from an upstream side, is configured so as to be provided with an upper die 10 having a bearing part 10C for molding the extruded flat plate 40, and a lower die 20 for supporting the upper die 10, the lower die 20 being provided with a lower-side flat plate guide part 20F for guiding movement of the flat plate 40 molded in a predetermined cross-sectional shape by the bearing part 10C, and a gear 30 for molding a pattern D on the front surface of the flat plate 40. A clearance part E for absorbing a pressing force applied during molding of the pattern on the surface of the flat plate 40 by the gear 30 is formed in the lower-side flat plat guide part 20F.
Inventors:
Hayashi
Application Number:
JP2019044294A
Publication Date:
July 21, 2022
Filing Date:
March 11, 2019
Export Citation:
Assignee:
NIPPON LIGHT METAL COMPANY,LTD.
International Classes:
B21C25/02; B21C23/14; B21C25/08; B29C48/13; B29C48/35; B29C48/90
Domestic Patent References:
| JP2011504420A | ||||
| JP2003522647A | ||||
| JP2017074617A | ||||
| JP58119842A |
Attorney, Agent or Firm:
Kunio Iwahori