JPS5711035A - Automatic pressure controller for liquid-pressure type compression molding machine - Google Patents

Automatic pressure controller for liquid-pressure type compression molding machine

Info

Publication number
JPS5711035A
JPS5711035A JP8615380A JP8615380A JPS5711035A JP S5711035 A JPS5711035 A JP S5711035A JP 8615380 A JP8615380 A JP 8615380A JP 8615380 A JP8615380 A JP 8615380A JP S5711035 A JPS5711035 A JP S5711035A
Authority
JP
Japan
Prior art keywords
pressure
photoelectric device
molding machine
liquid
compression molding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP8615380A
Other languages
Japanese (ja)
Inventor
Kenzo Hashimoto
Hideyuki Matsuo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Noritake Co Ltd
Original Assignee
Noritake Co Ltd
Nippon Toki Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Noritake Co Ltd, Nippon Toki Co Ltd filed Critical Noritake Co Ltd
Priority to JP8615380A priority Critical patent/JPS5711035A/en
Publication of JPS5711035A publication Critical patent/JPS5711035A/en
Pending legal-status Critical Current

Links

Landscapes

  • Moulds For Moulding Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Control Of Fluid Pressure (AREA)

Abstract

PURPOSE: To obtain an automatic pressure controller with a highly accurate and simplified structure for a liquid-pressure type compression molding machine by combining a photoelectric device detecting the needle of a pressure gauge with a device moving the photoelectric device to a given position.
CONSTITUTION: A reflection type photoelectric device 17 attached to the arm 16 of a reduction gears 15 operating by a synchronous motor 12 is provided in relation to a pressure gauge 8 attached to one end of a support plate 11 in such a way that the light beam of the photoelectric device 17 is projected on the while part 9a of the dial of the pressure gauge 8 as the arm 16 turns. After setting the photoelectric device 17 in such a way that the light beam is projected at the point A of the white part 9a of the dial corresponding to a give pressure P1, the application of pressure on liquid-pressure type compression molding machine is started, whereupon the pressure rises and the needle 10 of the pressure guage turns clockwise. When the needle reaches the point A, the reflection light of the photoelectric device 17 is interrupted. By the signal, the pressure application to the molding machine is stopped, but the photoelectric device 17 is reset in such a way that the light beam is projected at the point C corresponding to next given pressure P2 and then pressure application is restarted on the molding machine.
COPYRIGHT: (C)1982,JPO&Japio
JP8615380A 1980-06-24 1980-06-24 Automatic pressure controller for liquid-pressure type compression molding machine Pending JPS5711035A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8615380A JPS5711035A (en) 1980-06-24 1980-06-24 Automatic pressure controller for liquid-pressure type compression molding machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8615380A JPS5711035A (en) 1980-06-24 1980-06-24 Automatic pressure controller for liquid-pressure type compression molding machine

Publications (1)

Publication Number Publication Date
JPS5711035A true JPS5711035A (en) 1982-01-20

Family

ID=13878786

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8615380A Pending JPS5711035A (en) 1980-06-24 1980-06-24 Automatic pressure controller for liquid-pressure type compression molding machine

Country Status (1)

Country Link
JP (1) JPS5711035A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02126801A (en) * 1988-11-05 1990-05-15 Moon Star Co Injection-molded shoe having multi-layer sole

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02126801A (en) * 1988-11-05 1990-05-15 Moon Star Co Injection-molded shoe having multi-layer sole

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