JPS6354948B2 - - Google Patents

Info

Publication number
JPS6354948B2
JPS6354948B2 JP58201370A JP20137083A JPS6354948B2 JP S6354948 B2 JPS6354948 B2 JP S6354948B2 JP 58201370 A JP58201370 A JP 58201370A JP 20137083 A JP20137083 A JP 20137083A JP S6354948 B2 JPS6354948 B2 JP S6354948B2
Authority
JP
Japan
Prior art keywords
valve seat
wire
kerf
tool
valve
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.)
Expired
Application number
JP58201370A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6095277A (ja
Inventor
Kenji Yoshiga
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.)
Fujikoki Corp
Original Assignee
Fujikoki Corp
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 Fujikoki Corp filed Critical Fujikoki Corp
Priority to JP58201370A priority Critical patent/JPS6095277A/ja
Priority to US06/663,975 priority patent/US4612795A/en
Publication of JPS6095277A publication Critical patent/JPS6095277A/ja
Publication of JPS6354948B2 publication Critical patent/JPS6354948B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00—Making machine elements
    • B21K1/20—Making machine elements valve parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
    • B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
    • B21J5/12—Forming profiles on internal or external surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00—Making machine elements
    • B21K1/20—Making machine elements valve parts
    • B21K1/24—Making machine elements valve parts valve bodies; valve seats
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49405—Valve or choke making
    • Y10T29/49409—Valve seat forming

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lift Valve (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
JP58201370A 1983-10-27 1983-10-27 弁座切溝加工方法 Granted JPS6095277A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP58201370A JPS6095277A (ja) 1983-10-27 1983-10-27 弁座切溝加工方法
US06/663,975 US4612795A (en) 1983-10-27 1984-10-23 Method of forming a groove in a valve seat and the tool used in this method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58201370A JPS6095277A (ja) 1983-10-27 1983-10-27 弁座切溝加工方法

Publications (2)

Publication Number Publication Date
JPS6095277A JPS6095277A (ja) 1985-05-28
JPS6354948B2 true JPS6354948B2 (enExample) 1988-10-31

Family

ID=16439934

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58201370A Granted JPS6095277A (ja) 1983-10-27 1983-10-27 弁座切溝加工方法

Country Status (2)

Country Link
US (1) US4612795A (enExample)
JP (1) JPS6095277A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006090826A1 (ja) * 2005-02-24 2006-08-31 Fujikoki Corporation 圧力制御弁

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3528642A1 (de) * 1985-08-09 1987-02-12 Philips Patentverwaltung Verfahren und anordnung zum einpraegen von kanaelen mit geringem querschnitt in die oberflaeche eines werkstuecks
US6098958A (en) * 1998-05-06 2000-08-08 Ernst Thielenhaus Kg Valve assembly, especially for a fuel-injection valve and method of making same
JP5155686B2 (ja) * 2008-02-17 2013-03-06 サンデン株式会社 往復動圧縮機の弁板と吸入弁及び／又は吐出弁との当接部の貼付き防止のための弁板の加工方法及び往復動圧縮機
CH708930A1 (de) * 2013-12-06 2015-06-15 Liebherr Machines Bulle Sa Druckbegrenzungsventil.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1733226A (en) * 1924-04-19 1929-10-29 Columbus Machine Company Method of making valve casings
US2217194A (en) * 1937-10-09 1940-10-08 Oxweld Acetylene Co Method for making blowpipe nozzles
US2224670A (en) * 1938-12-15 1940-12-10 William W Criley Forging die
US2215019A (en) * 1939-07-03 1940-09-17 Smith Welding Equipment Corp Process of making torch tips
JPS5353030A (en) * 1976-10-22 1978-05-15 Sanwa Seiki Mfg Co Ltd Safety valve and its making method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006090826A1 (ja) * 2005-02-24 2006-08-31 Fujikoki Corporation 圧力制御弁

Also Published As

Publication number Publication date
US4612795A (en) 1986-09-23
JPS6095277A (ja) 1985-05-28

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