JPS6312699B2 - - Google Patents

Info

Publication number
JPS6312699B2
JPS6312699B2 JP55099174A JP9917480A JPS6312699B2 JP S6312699 B2 JPS6312699 B2 JP S6312699B2 JP 55099174 A JP55099174 A JP 55099174A JP 9917480 A JP9917480 A JP 9917480A JP S6312699 B2 JPS6312699 B2 JP S6312699B2
Authority
JP
Japan
Prior art keywords
die
head screw
thread
spark plug
threads
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
JP55099174A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5725237A (en
Inventor
Norimi Iche
Yoshiaki Miwa
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.)
Niterra Co Ltd
Original Assignee
NGK Spark Plug 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 NGK Spark Plug Co Ltd filed Critical NGK Spark Plug Co Ltd
Priority to JP9917480A priority Critical patent/JPS5725237A/ja
Publication of JPS5725237A publication Critical patent/JPS5725237A/ja
Publication of JPS6312699B2 publication Critical patent/JPS6312699B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H3/00—Making helical bodies or bodies having parts of helical shape
    • B21H3/02—Making helical bodies or bodies having parts of helical shape external screw-threads ; Making dies for thread rolling
    • B21H3/06—Making by means of profiled members other than rolls, e.g. reciprocating flat dies or jaws, moved longitudinally or curvilinearly with respect to each other
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H3/00—Making helical bodies or bodies having parts of helical shape
    • B21H3/02—Making helical bodies or bodies having parts of helical shape external screw-threads ; Making dies for thread rolling
    • B21H3/06—Making by means of profiled members other than rolls, e.g. reciprocating flat dies or jaws, moved longitudinally or curvilinearly with respect to each other
    • B21H3/065—Planetary thread rolling

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Spark Plugs (AREA)
JP9917480A 1980-07-18 1980-07-18 Production of highly adhesive head part screw for ignition plug Granted JPS5725237A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9917480A JPS5725237A (en) 1980-07-18 1980-07-18 Production of highly adhesive head part screw for ignition plug

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9917480A JPS5725237A (en) 1980-07-18 1980-07-18 Production of highly adhesive head part screw for ignition plug

Publications (2)

Publication Number Publication Date
JPS5725237A JPS5725237A (en) 1982-02-10
JPS6312699B2 true JPS6312699B2 (en, 2012) 1988-03-22

Family

ID=14240279

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9917480A Granted JPS5725237A (en) 1980-07-18 1980-07-18 Production of highly adhesive head part screw for ignition plug

Country Status (1)

Country Link
JP (1) JPS5725237A (en, 2012)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59148772U (ja) * 1983-03-25 1984-10-04 株式会社カインドウエア ゲ−ジパタ−ン
DE3314111A1 (de) * 1983-04-19 1984-10-25 Dr.Ing.H.C. F. Porsche Ag, 7000 Stuttgart Einrichtung zur wegabhaengigen positionsangabe hydraulisch betaetigter schaltstangen

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4829661A (en, 2012) * 1971-08-23 1973-04-19
JPS5319465B2 (en, 2012) * 1974-01-28 1978-06-21
JPS534830A (en) * 1976-07-02 1978-01-17 Mitsubishi Electric Corp Uninterruptible power source

Also Published As

Publication number Publication date
JPS5725237A (en) 1982-02-10

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