Title:
DIE LIP OPENING/CLOSING DEVICE AND METHOD FOR MANUFACTURING MOLDED BODY
Document Type and Number:
WIPO Patent Application WO/2020/153436
Kind Code:
A1
Abstract:
[Problem] The purpose of the present invention is to provide a die lip opening/closing device that enables a reduction in size from that of the conventional products. [Solution] This die lip opening/closing device 50 has: a hydraulic motor 51 equipped with a drive shaft 53; a pusher 60 which is provided so as to be capable of moving linearly; a drive connection part R which is equipped with a screwing structure Q for converting rotational motion of the drive shaft 53 into linear motion of the pusher 60; and an opening/closing structure W which opens and closes a die lip 28a of a T-die 28 in response to the linear motion of the pusher 60.
Inventors:
IGARASHI YU (JP)
YAMASAKI YOSHIHIRO (JP)
TANJI TADATOSHI (JP)
MINAMIGAWA YUTA (JP)
YOKOI SHINJI (JP)
ISHII KENJI (JP)
YAMASAKI YOSHIHIRO (JP)
TANJI TADATOSHI (JP)
MINAMIGAWA YUTA (JP)
YOKOI SHINJI (JP)
ISHII KENJI (JP)
Application Number:
PCT/JP2020/002364
Publication Date:
July 30, 2020
Filing Date:
January 23, 2020
Export Citation:
Assignee:
KYORAKU CO LTD (JP)
International Classes:
B29C51/10; B29C48/31; B29C51/12; B29C51/32
Foreign References:
| JP2017144630A | 2017-08-24 | |||
| JP2016203450A | 2016-12-08 | |||
| JP2002225124A | 2002-08-14 | |||
| JPH03244524A | 1991-10-31 | |||
| JPH02227236A | 1990-09-10 | |||
| JPH11320591A | 1999-11-24 |
Attorney, Agent or Firm:
COSMO INTERNATIONAL PATENT FIRM (JP)
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