GB722493A - Method for bending contact springs and device for carrying out said bending - Google Patents

Method for bending contact springs and device for carrying out said bending

Info

Publication number
GB722493A
GB722493A GB29361/52A GB2936152A GB722493A GB 722493 A GB722493 A GB 722493A GB 29361/52 A GB29361/52 A GB 29361/52A GB 2936152 A GB2936152 A GB 2936152A GB 722493 A GB722493 A GB 722493A
Authority
GB
United Kingdom
Prior art keywords
pressure
springs
die
spring
dies
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
GB29361/52A
Other languages
English (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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of GB722493A publication Critical patent/GB722493A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
    • B21D11/10—Bending specially adapted to produce specific articles, e.g. leaf springs
    • 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
    • H01H49/00—Apparatus or processes specially adapted to the manufacture of relays or parts thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Springs (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
GB29361/52A 1951-11-28 1952-11-20 Method for bending contact springs and device for carrying out said bending Expired GB722493A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE722493X 1951-11-28

Publications (1)

Publication Number Publication Date
GB722493A true GB722493A (en) 1955-01-26

Family

ID=20316033

Family Applications (1)

Application Number Title Priority Date Filing Date
GB29361/52A Expired GB722493A (en) 1951-11-28 1952-11-20 Method for bending contact springs and device for carrying out said bending

Country Status (4)

Country Link
US (1) US2781817A (enrdf_load_stackoverflow)
BE (1) BE515822A (enrdf_load_stackoverflow)
GB (1) GB722493A (enrdf_load_stackoverflow)
NL (1) NL88618C (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1139355B (de) * 1959-02-18 1962-11-08 Sonneville Roger P Verfahren zum Vereinheitlichen der betriebsmaessigen elastischen Durch-biegung von geschmiedeten Federklemmplatten fuer einen Schienenfuss
FR2439057A1 (fr) * 1978-10-16 1980-05-16 Sdg Sarl Machine automatique a usiner des rampes d'arrosage en une seule passe
US4403497A (en) * 1981-05-11 1983-09-13 Matteucci Felix V Bead bending tool
CN103990719B (zh) * 2014-05-30 2016-11-16 长城汽车股份有限公司 模具的斜楔结构

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US805508A (en) * 1905-02-25 1905-11-28 Carl Wellhoefer Sr Cask-head closure.
US1750471A (en) * 1929-03-28 1930-03-11 Alan C Hoover Machine for forming articles
US2162719A (en) * 1938-06-14 1939-06-20 Matilda K Hay Combination spring bellows control device
US2308475A (en) * 1941-08-07 1943-01-12 Crane Co Spring loaded stuffing box
US2490320A (en) * 1946-09-25 1949-12-06 First Ind Corp Method for adjusting spring mechanisms

Also Published As

Publication number Publication date
BE515822A (enrdf_load_stackoverflow)
US2781817A (en) 1957-02-19
NL88618C (enrdf_load_stackoverflow)

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