JPS57120768A - Manufacture of valve plate for center type clap valve - Google Patents

Manufacture of valve plate for center type clap valve

Info

Publication number
JPS57120768A
JPS57120768A JP10069781A JP10069781A JPS57120768A JP S57120768 A JPS57120768 A JP S57120768A JP 10069781 A JP10069781 A JP 10069781A JP 10069781 A JP10069781 A JP 10069781A JP S57120768 A JPS57120768 A JP S57120768A
Authority
JP
Japan
Prior art keywords
valve plate
valve
large diameter
diameter portion
cut
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.)
Granted
Application number
JP10069781A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6224664B2 (enrdf_load_stackoverflow
Inventor
Takayoshi Uno
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.)
Tomoe Technical Research Co Ltd
Original Assignee
Tomoe Technical Research 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 Tomoe Technical Research Co Ltd filed Critical Tomoe Technical Research Co Ltd
Priority to JP10069781A priority Critical patent/JPS57120768A/ja
Publication of JPS57120768A publication Critical patent/JPS57120768A/ja
Publication of JPS6224664B2 publication Critical patent/JPS6224664B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P13/00—Making metal objects by operations essentially involving machining but not covered by a single other subclass
    • B23P13/02—Making metal objects by operations essentially involving machining but not covered by a single other subclass in which only the machining operations are important

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lift Valve (AREA)
JP10069781A 1981-06-30 1981-06-30 Manufacture of valve plate for center type clap valve Granted JPS57120768A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10069781A JPS57120768A (en) 1981-06-30 1981-06-30 Manufacture of valve plate for center type clap valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10069781A JPS57120768A (en) 1981-06-30 1981-06-30 Manufacture of valve plate for center type clap valve

Publications (2)

Publication Number Publication Date
JPS57120768A true JPS57120768A (en) 1982-07-27
JPS6224664B2 JPS6224664B2 (enrdf_load_stackoverflow) 1987-05-29

Family

ID=14280910

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10069781A Granted JPS57120768A (en) 1981-06-30 1981-06-30 Manufacture of valve plate for center type clap valve

Country Status (1)

Country Link
JP (1) JPS57120768A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005124202A1 (en) * 2004-06-21 2005-12-29 Seong-Hwa Heong A quality control valve to decrease a noise
CN102179661A (zh) * 2011-04-19 2011-09-14 一重集团天津重工有限公司 冷连轧机机架的加工方法
CN110757094A (zh) * 2019-10-31 2020-02-07 中航飞机起落架有限责任公司 一种筒形阶梯薄壁件零件的车削方法
US11028943B2 (en) 2018-04-12 2021-06-08 P&K Eng Co., Ltd. Control butterfly valve

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005124202A1 (en) * 2004-06-21 2005-12-29 Seong-Hwa Heong A quality control valve to decrease a noise
CN102179661A (zh) * 2011-04-19 2011-09-14 一重集团天津重工有限公司 冷连轧机机架的加工方法
CN102179661B (zh) 2011-04-19 2012-12-12 一重集团天津重工有限公司 冷连轧机机架的加工方法
US11028943B2 (en) 2018-04-12 2021-06-08 P&K Eng Co., Ltd. Control butterfly valve
CN110757094A (zh) * 2019-10-31 2020-02-07 中航飞机起落架有限责任公司 一种筒形阶梯薄壁件零件的车削方法

Also Published As

Publication number Publication date
JPS6224664B2 (enrdf_load_stackoverflow) 1987-05-29

Similar Documents

Publication Publication Date Title
AU468343B2 (en) Improvements in methods of grinding cutting tools operating by axial thrust and having a tleaston one cutting edge coplanar with the axis, and jig for carrying out said method
JPS57120768A (en) Manufacture of valve plate for center type clap valve
JPS57202930A (en) Chamfering device for pipe and part
JPS57173413A (en) Machining method of spherical surface
JPS5226675A (en) Manufacturing method of edged tool with regular arc cutting edte
JPS57184602A (en) Manufacture of internal expansion brake ring
JPS5714430A (en) Manufacture of annular metallic band
JPS52103786A (en) Method of cutting crystal body
JPS55120938A (en) Production of throwaway tip
JPS5639808A (en) Edge preparation method for welding
JPS569118A (en) Cutting apparatus for cylindrical member
JPS5761403A (en) Cutting tool
JPS5669024A (en) Circular saw for cutting of inorganic fiber material
JPS5771736A (en) Manufacture of metallic short fiber and improvement of device
JPS56126520A (en) Disc cutter for cylindrical piece
Vasilko et al. New Approach Is Required to Improve the Properties of Cutting Tools
JPS5615932A (en) Wire cut type electrospark machining device
JPS5666393A (en) Punch and its manufacturing method
JPS5682107A (en) Core drill
JPS57132923A (en) Method of polishing with shaving cutter
JPS56126517A (en) Method of combining slitting cutters to slit multiple metal bands simultaneously by one slitting machine
JPS57127160A (en) Manufacture of v-grooved pulley
JPS56115977A (en) Manufacture of wrist watch case
JPS57199536A (en) Manufacture of back-notched peg
JPS529192A (en) Inner and outer cutting turret tool holher for lathe