IT1204998B - Complesso di stampo per forgiare cappe metalliche di isolatori - Google Patents

Complesso di stampo per forgiare cappe metalliche di isolatori

Info

Publication number
IT1204998B
IT1204998B IT8720411A IT2041187A IT1204998B IT 1204998 B IT1204998 B IT 1204998B IT 8720411 A IT8720411 A IT 8720411A IT 2041187 A IT2041187 A IT 2041187A IT 1204998 B IT1204998 B IT 1204998B
Authority
IT
Italy
Prior art keywords
insulators
forging metal
mold complex
metal hoods
hoods
Prior art date
Application number
IT8720411A
Other languages
English (en)
Other versions
IT8720411A0 (it
Inventor
Matsuo Hiroto
Nishiwaki Yoshitaka
Yamamori Itsuo
Tanaka Norio
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 IT8720411A0 publication Critical patent/IT8720411A0/it
Application granted granted Critical
Publication of IT1204998B publication Critical patent/IT1204998B/it

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)
IT8720411A 1986-05-23 1987-05-06 Complesso di stampo per forgiare cappe metalliche di isolatori IT1204998B (it)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
IT8720411A0 IT8720411A0 (it) 1987-05-06
IT1204998B true IT1204998B (it) 1989-03-10

Family

ID=13661936

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8720411A IT1204998B (it) 1986-05-23 1987-05-06 Complesso di stampo per forgiare cappe metalliche di isolatori

Country Status (5)

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

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
FR2598948A1 (fr) 1987-11-27
JPS62189844U (it) 1987-12-03
FR2598948B1 (fr) 1991-10-25
KR920004668B1 (ko) 1992-06-13
IT8720411A0 (it) 1987-05-06
KR870010911A (ko) 1987-12-18
JPH0327710Y2 (it) 1991-06-14
BR8702636A (pt) 1988-02-23

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19960530