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JPS521382A - Oil pressure controller - Google Patents

Oil pressure controller

Info

Publication number
JPS521382A
JPS521382A JP7837475A JP7837475A JPS521382A JP S521382 A JPS521382 A JP S521382A JP 7837475 A JP7837475 A JP 7837475A JP 7837475 A JP7837475 A JP 7837475A JP S521382 A JPS521382 A JP S521382A
Authority
JP
Japan
Prior art keywords
pressure controller
oil pressure
throw
spool
regard
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
JP7837475A
Other languages
Japanese (ja)
Inventor
Iwao Morikawa
Masaaki Uno
Shuichi Ichiyama
Yukio Aoyanagi
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.)
Hitachi Construction Machinery Co Ltd
Original Assignee
Hitachi Construction Machinery 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 Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Priority to JP7837475A priority Critical patent/JPS521382A/en
Publication of JPS521382A publication Critical patent/JPS521382A/en
Pending legal-status Critical Current

Links

Landscapes

  • Fluid-Pressure Circuits (AREA)

Abstract

PURPOSE: This pressure controller equally allows the flow rate control of each spool without regard to the large or small of a load even if the device is a multi-throw, type, ensuring simple structure and the performing of simultaneous operation.
COPYRIGHT: (C)1977,JPO&Japio
JP7837475A 1975-06-24 1975-06-24 Oil pressure controller Pending JPS521382A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7837475A JPS521382A (en) 1975-06-24 1975-06-24 Oil pressure controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7837475A JPS521382A (en) 1975-06-24 1975-06-24 Oil pressure controller

Publications (1)

Publication Number Publication Date
JPS521382A true JPS521382A (en) 1977-01-07

Family

ID=13660229

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7837475A Pending JPS521382A (en) 1975-06-24 1975-06-24 Oil pressure controller

Country Status (1)

Country Link
JP (1) JPS521382A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5614004A (en) * 1979-07-16 1981-02-10 Mitsubishi Heavy Ind Ltd Rolling method for metallic sheet
JPS5626601A (en) * 1979-08-13 1981-03-14 Nippon Steel Corp Manufacture of hot rolled steel strip
JPS5865304A (en) * 1981-10-09 1983-04-19 Japan Steel Works Ltd:The Oil pressure control apparatus
JPS6178502A (en) * 1984-09-27 1986-04-22 Nippon Steel Corp Hot width rolling method for metal slabs
JPS61232012A (en) * 1985-04-08 1986-10-16 Kawasaki Steel Corp Rolling method for controlling width of hot strip
JP2006068433A (en) * 2004-09-06 2006-03-16 Ishida:Kk Chopstick and pattern forming method of chopstick

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5614004A (en) * 1979-07-16 1981-02-10 Mitsubishi Heavy Ind Ltd Rolling method for metallic sheet
JPS6342521B2 (en) * 1979-07-16 1988-08-24 Mitsubishi Heavy Ind Ltd
JPS5626601A (en) * 1979-08-13 1981-03-14 Nippon Steel Corp Manufacture of hot rolled steel strip
JPS5865304A (en) * 1981-10-09 1983-04-19 Japan Steel Works Ltd:The Oil pressure control apparatus
JPS6178502A (en) * 1984-09-27 1986-04-22 Nippon Steel Corp Hot width rolling method for metal slabs
JPH0252561B2 (en) * 1984-09-27 1990-11-14 Nippon Steel Corp
JPS61232012A (en) * 1985-04-08 1986-10-16 Kawasaki Steel Corp Rolling method for controlling width of hot strip
JP2006068433A (en) * 2004-09-06 2006-03-16 Ishida:Kk Chopstick and pattern forming method of chopstick

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