FR2598948B1 - Ensemble de matrices pour forger des capots en metal pour des isolateurs - Google Patents

Ensemble de matrices pour forger des capots en metal pour des isolateurs

Info

Publication number
FR2598948B1
FR2598948B1 FR878707242A FR8707242A FR2598948B1 FR 2598948 B1 FR2598948 B1 FR 2598948B1 FR 878707242 A FR878707242 A FR 878707242A FR 8707242 A FR8707242 A FR 8707242A FR 2598948 B1 FR2598948 B1 FR 2598948B1
Authority
FR
France
Prior art keywords
insulators
dies
assembly
forging metal
metal hoods
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 - Fee Related
Application number
FR878707242A
Other languages
English (en)
French (fr)
Other versions
FR2598948A1 (fr
Inventor
Hiroto Matsuo
Yoshitaka Nishiwaki
Itsuo Yamamori
Norio Tanaka
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.)
NGK Insulators Ltd
Original Assignee
NGK Insulators 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 Insulators Ltd filed Critical NGK Insulators Ltd
Publication of FR2598948A1 publication Critical patent/FR2598948A1/fr
Application granted granted Critical
Publication of FR2598948B1 publication Critical patent/FR2598948B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B21K21/00—Making hollow articles not covered by a single preceding sub-group
    • B21K21/08—Shaping hollow articles with different cross-section in longitudinal direction, e.g. nozzles, spark-plugs
    • B21K21/10—Shaping hollow articles with different cross-section in longitudinal direction, e.g. nozzles, spark-plugs cone-shaped or bell-shaped articles, e.g. insulator caps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J13/00—Details of machines for forging, pressing, or hammering
    • B21J13/02—Dies or mountings therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J13/00—Details of machines for forging, pressing, or hammering
    • B21J13/02—Dies or mountings therefor
    • B21J13/025—Dies with parts moving along auxiliary lateral directions
    • 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
    • B21K21/00—Making hollow articles not covered by a single preceding sub-group
    • B21K21/08—Shaping hollow articles with different cross-section in longitudinal direction, e.g. nozzles, spark-plugs

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
  • Insulators (AREA)
  • Insulating Bodies (AREA)
FR878707242A 1986-05-23 1987-05-22 Ensemble de matrices pour forger des capots en metal pour des isolateurs Expired - Fee Related FR2598948B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986078434U JPH0327710Y2 (OSRAM) 1986-05-23 1986-05-23

Publications (2)

Publication Number Publication Date
FR2598948A1 FR2598948A1 (fr) 1987-11-27
FR2598948B1 true FR2598948B1 (fr) 1991-10-25

Family

ID=13661936

Family Applications (1)

Application Number Title Priority Date Filing Date
FR878707242A Expired - Fee Related FR2598948B1 (fr) 1986-05-23 1987-05-22 Ensemble de matrices pour forger des capots en metal pour des isolateurs

Country Status (5)

Country Link
JP (1) JPH0327710Y2 (OSRAM)
KR (1) KR920004668B1 (OSRAM)
BR (1) BR8702636A (OSRAM)
FR (1) FR2598948B1 (OSRAM)
IT (1) IT1204998B (OSRAM)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1707489A (en) * 1929-04-02 Insxtlatob cap
US4377085A (en) * 1980-04-16 1983-03-22 W-F Industries, Inc. Female dies and method of manufacture
ES8704096A1 (es) * 1985-03-30 1987-03-16 Ngk Insulators Ltd Dispositivo de troqueles para forjar un obturador metalico de un aislador del tipo de rotula

Also Published As

Publication number Publication date
IT1204998B (it) 1989-03-10
IT8720411A0 (it) 1987-05-06
BR8702636A (pt) 1988-02-23
KR920004668B1 (ko) 1992-06-13
FR2598948A1 (fr) 1987-11-27
JPS62189844U (OSRAM) 1987-12-03
JPH0327710Y2 (OSRAM) 1991-06-14
KR870010911A (ko) 1987-12-18

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Legal Events

Date Code Title Description
ST Notification of lapse