Title:
可塑化装置および三次元造形装置
Document Type and Number:
Japanese Patent JP7272047
Kind Code:
B2
Abstract:
A plasticizing apparatus includes a barrel that is provided with a first through-hole along a first axis, a first screw in which a first groove portion having a spiral shape about a first axis is provided in a surface facing a barrel, a side wall having a cylindrical shape is provided along an outer peripheral edge of a surface facing a side opposite to the barrel, and a second through-hole is provided along the first axis, a second screw of which at least a part is disposed inside the side wall and a second groove portion having a spiral shape about the first axis is provided in a surface facing the barrel with the first screw interposed therebetween, and a drive unit that rotates the first screw and the second screw about the first axis by making angular velocity vectors thereof different from each other with respect to the barrel.
Inventors:
Hiroki Kobayashi
Application Number:
JP2019059545A
Publication Date:
May 12, 2023
Filing Date:
March 27, 2019
Export Citation:
Assignee:
Seiko Epson Corporation
International Classes:
B29C64/336; B22F1/10; B22F1/102; B22F10/18; B22F12/13; B22F12/55; B28B1/30; B29B7/14; B29C31/04; B29C45/47; B29C45/60; B29C45/62; B29C64/118; B29C64/209; B29C64/295; B33Y30/00
Domestic Patent References:
| JP9076286A | ||||
| JP2005262812A | ||||
| JP2018187777A |
Attorney, Agent or Firm:
Patent Attorney Corporation Meisei International Patent Office
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