Title:
PLUNGER FOR RESIN MOLDING APPARATUS, AND RESIN MOLDING APPARATUS
Document Type and Number:
Japanese Patent JP2019077147
Kind Code:
A
Abstract:
To provide a plunger for a resin molding apparatus and a resin molding apparatus capable of accurately measuring a resin pressure in each plunger, realizable, and excellent in versatility.SOLUTION: A plunger 52a for a resin molding apparatus including a rod-likely formed plunger rod 53a and a plunger tip 54 arranged on the tip end of the plunger rod and configured to be able to pressure a resin material, further includes a strain gauge 22 arranged on a circumferential surface of the plunger rod and configured to be measurable a stress applied to the plunger rod in the axial direction.SELECTED DRAWING: Figure 4
Inventors:
YOSHIMURA KOJU
OTAKI AKIHIRO
OTAKI AKIHIRO
Application Number:
JP2017208021A
Publication Date:
May 23, 2019
Filing Date:
October 27, 2017
Export Citation:
Assignee:
MTEX MATSUMURA CO
International Classes:
B29C45/53; B29C45/02; H01L21/56
Domestic Patent References:
| JPH11260844A | 1999-09-24 | |||
| JPS62102518U | 1987-06-30 | |||
| JP3056305U | 1999-02-16 | |||
| JP2017114014A | 2017-06-29 | |||
| JP2012185530A | 2012-09-27 | |||
| JP2009170475A | 2009-07-30 | |||
| JP2013026360A | 2013-02-04 |
Attorney, Agent or Firm:
Kisaragi International Patent Business Corporation