CH296818A - Process for the production of contact springs used in electrical switchgear. - Google Patents

Process for the production of contact springs used in electrical switchgear.

Info

Publication number
CH296818A
CH296818A CH296818DA CH296818A CH 296818 A CH296818 A CH 296818A CH 296818D A CH296818D A CH 296818DA CH 296818 A CH296818 A CH 296818A
Authority
CH
Switzerland
Prior art keywords
production
contact springs
electrical switchgear
springs used
switchgear
Prior art date
Application number
Other languages
German (de)
Inventor
Telefonaktiebolaget L Ericsson
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of CH296818A publication Critical patent/CH296818A/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H63/00—Details of electrically-operated selector switches
    • H01H63/02—Contacts; Wipers; Connections thereto
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
    • B21D28/06—Making more than one part out of the same blank; Scrapless working
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
    • H01H11/04—Apparatus or processes specially adapted for the manufacture of electric switches of switch contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
    • H01H11/04—Apparatus or processes specially adapted for the manufacture of electric switches of switch contacts
    • H01H11/041—Apparatus or processes specially adapted for the manufacture of electric switches of switch contacts by bonding of a contact marking face to a contact body portion
    • H01H11/042—Apparatus or processes specially adapted for the manufacture of electric switches of switch contacts by bonding of a contact marking face to a contact body portion by mechanical deformation

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture Of Switches (AREA)
CH296818D 1950-12-06 1951-12-03 Process for the production of contact springs used in electrical switchgear. CH296818A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE296818X 1950-12-06

Publications (1)

Publication Number Publication Date
CH296818A true CH296818A (en) 1954-02-28

Family

ID=20307350

Family Applications (1)

Application Number Title Priority Date Filing Date
CH296818D CH296818A (en) 1950-12-06 1951-12-03 Process for the production of contact springs used in electrical switchgear.

Country Status (5)

Country Link
BE (1) BE507607A (en)
CH (1) CH296818A (en)
FR (1) FR1045991A (en)
GB (1) GB695683A (en)
NL (1) NL81589C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB882850A (en) * 1959-05-27 1961-11-22 Controls Co Of America Improvements in and relating to snap action electrical switches and a process for making the switches
BR8101754A (en) * 1980-03-27 1981-09-29 Du Pont PROCESS FOR THE PRODUCTION OF ELECTRICAL TERMINALS CONTAINING A THIN GOLD LAYER IN THE CONTACT AREA
FR2488037A1 (en) * 1980-08-01 1982-02-05 Legrand Sa Contact blade mfg. process for leaf switch - uses square cross=section rivets cut from copper strip with silver edges for placing in holes of continuous leaf band

Also Published As

Publication number Publication date
FR1045991A (en) 1953-12-02
NL81589C (en)
GB695683A (en) 1953-08-12
BE507607A (en)

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