ES8800498A1 - Process for forging a metal cap of a swivel-type insulator - Google Patents

Process for forging a metal cap of a swivel-type insulator

Info

Publication number
ES8800498A1
ES8800498A1 ES553501A ES553501A ES8800498A1 ES 8800498 A1 ES8800498 A1 ES 8800498A1 ES 553501 A ES553501 A ES 553501A ES 553501 A ES553501 A ES 553501A ES 8800498 A1 ES8800498 A1 ES 8800498A1
Authority
ES
Spain
Prior art keywords
forging
metal cap
swivel
type insulator
insulator
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
ES553501A
Other languages
Spanish (es)
Other versions
ES553501A0 (en
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
Priority claimed from JP60062283A external-priority patent/JPS61222657A/en
Priority claimed from JP60062282A external-priority patent/JPS61222656A/en
Application filed by NGK Insulators Ltd filed Critical NGK Insulators Ltd
Publication of ES8800498A1 publication Critical patent/ES8800498A1/en
Publication of ES553501A0 publication Critical patent/ES553501A0/en
Expired 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
    • B21K23/00—Making other articles
    • 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
    • B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
    • B21J5/02—Die forging; Trimming by making use of special dies ; Punching during forging
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B17/00—Insulators or insulating bodies characterised by their form
    • H01B17/02—Suspension insulators; Strain insulators
    • H01B17/06—Fastening of insulator to support, to conductor, or to adjoining insulator

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
  • Insulators (AREA)

Abstract

Process for forging a metal cap of an insulator comprising a metal cap 18 fitted with a skirt-shaped part 7c and a cavity 7g capable of retaining a metal ball of an adjacent insulator, consists in forging a block in a single piece 7b, c, d, e, g comprising a separating partition 7d with a skirt-shaped part 7c and a wall element 7b extending along opposite directions, in pushing back the open end of the part 7b in the direction of the part 7d until the wall element delimits a cavity 7g, and in bending the open end of the part 7c inwards so as to form a fall-preventing locking rib. Application especially to suspension insulators.
ES553501A 1985-03-27 1986-03-26 Process for forging a metal cap of a swivel-type insulator Expired ES8800498A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP60062283A JPS61222657A (en) 1985-03-27 1985-03-27 Forming method for cap metal fitting for glass
JP60062282A JPS61222656A (en) 1985-03-27 1985-03-27 Forming method for cap metal fitting for glass

Publications (2)

Publication Number Publication Date
ES8800498A1 true ES8800498A1 (en) 1987-11-01
ES553501A0 ES553501A0 (en) 1987-11-01

Family

ID=26403350

Family Applications (1)

Application Number Title Priority Date Filing Date
ES553501A Expired ES8800498A1 (en) 1985-03-27 1986-03-26 Process for forging a metal cap of a swivel-type insulator

Country Status (5)

Country Link
KR (1) KR920003514B1 (en)
BR (1) BR8601346A (en)
ES (1) ES8800498A1 (en)
FR (1) FR2579492B1 (en)
IT (1) IT1191713B (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1709328A (en) * 1923-07-05 1929-04-16 Clinton W Stover Die for forging insulator caps
US1636586A (en) * 1926-12-02 1927-07-19 American Forge & Machine Compa Method of making insulator caps
JPS4961696A (en) * 1972-10-09 1974-06-14

Also Published As

Publication number Publication date
IT8619884A0 (en) 1986-03-27
IT1191713B (en) 1988-03-23
IT8619884A1 (en) 1987-09-27
KR860007045A (en) 1986-10-06
BR8601346A (en) 1986-12-02
KR920003514B1 (en) 1992-05-02
ES553501A0 (en) 1987-11-01
FR2579492B1 (en) 1994-03-25
FR2579492A1 (en) 1986-10-03

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