Patent ID: 11878454
Assignee: SEIKO EPSON CORPORATION
Field: Other special machines (Mechanical engineering)
Classification: CPC B | IPC B

Claim 0:
1. A plasticizer comprising: a drive motor; a flat screw that has a groove forming surface where a groove is formed and is rotated by the drive motor; a barrel which has a groove facing surface that faces the groove forming surface and in which a communication hole is formed; and a heater that heats a material supplied to a space between the flat screw and the barrel, wherein at least one of the flat screw and the barrel is at least partially formed of a transparent member, and the material between the flat screw and the barrel is visible through the transparent member, and
wherein a central portion of the flat screw facing a central portion of the barrel is formed of the transparent member, and
further comprising a detector that detects a plasticization state of the material between the flat screw and the barrel via the transparent member.