GB9022414D0 - A method for manufacturing a torsion bar of a power steering device - Google Patents

A method for manufacturing a torsion bar of a power steering device

Info

Publication number
GB9022414D0
GB9022414D0 GB909022414A GB9022414A GB9022414D0 GB 9022414 D0 GB9022414 D0 GB 9022414D0 GB 909022414 A GB909022414 A GB 909022414A GB 9022414 A GB9022414 A GB 9022414A GB 9022414 D0 GB9022414 D0 GB 9022414D0
Authority
GB
United Kingdom
Prior art keywords
manufacturing
power steering
steering device
torsion bar
torsion
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.)
Granted
Application number
GB909022414A
Other versions
GB2240059B (en
GB2240059A (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.)
TRW Steering and Industrial Products Co Ltd
Original Assignee
TRW Steering and Industrial Products Co 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 TRW Steering and Industrial Products Co Ltd filed Critical TRW Steering and Industrial Products Co Ltd
Publication of GB9022414D0 publication Critical patent/GB9022414D0/en
Publication of GB2240059A publication Critical patent/GB2240059A/en
Application granted granted Critical
Publication of GB2240059B publication Critical patent/GB2240059B/en
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
    • B21K1/00—Making machine elements
    • B21K1/76—Making machine elements elements not mentioned in one of the preceding groups
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
    • B21C1/16—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes
    • B21C1/18—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes from stock of limited length
    • 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
    • B21K1/00—Making machine elements
    • B21K1/06—Making machine elements axles or shafts
    • B21K1/10—Making machine elements axles or shafts of cylindrical form
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
  • Springs (AREA)
GB9022414A 1989-12-18 1990-10-16 A method for manufacturing a torsion bar of a power steering device Expired - Fee Related GB2240059B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1329071A JPH03189043A (en) 1989-12-18 1989-12-18 Manufacture of torsion bar for power steering device

Publications (3)

Publication Number Publication Date
GB9022414D0 true GB9022414D0 (en) 1990-11-28
GB2240059A GB2240059A (en) 1991-07-24
GB2240059B GB2240059B (en) 1993-08-25

Family

ID=18217292

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9022414A Expired - Fee Related GB2240059B (en) 1989-12-18 1990-10-16 A method for manufacturing a torsion bar of a power steering device

Country Status (6)

Country Link
JP (1) JPH03189043A (en)
KR (1) KR910011359A (en)
AU (1) AU6473490A (en)
DE (1) DE4040497A1 (en)
GB (1) GB2240059B (en)
IT (1) IT1244175B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3994763B2 (en) 2002-03-14 2007-10-24 株式会社ジェイテクト Torsion bar manufacturing method and torsion bar
CN103009017A (en) * 2013-01-21 2013-04-03 江苏省宿迁市方圆机械有限公司 Automotive torsion rod spring pre-torsion process
CN110650883B (en) * 2017-06-22 2022-07-01 日本精工株式会社 Shaft for steering device, method for manufacturing shaft for steering device, and electric power steering device
CN112589391A (en) * 2020-12-08 2021-04-02 北京星航机电装备有限公司 Method for manufacturing slender torsion bar spring

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59174224A (en) * 1983-03-25 1984-10-02 Japan Royal Seiki:Kk Working device for wire rod or the like
JPS59178146A (en) * 1983-03-25 1984-10-09 Japan Royal Seiki:Kk Swaging method
JPH07115107B2 (en) * 1987-03-10 1995-12-13 大同特殊鋼株式会社 Forging method
JPS6462241A (en) * 1987-09-01 1989-03-08 Daido Steel Co Ltd Forging method

Also Published As

Publication number Publication date
GB2240059B (en) 1993-08-25
IT1244175B (en) 1994-07-08
KR910011359A (en) 1991-08-07
IT9022328A1 (en) 1991-06-19
GB2240059A (en) 1991-07-24
JPH03189043A (en) 1991-08-19
DE4040497A1 (en) 1991-06-20
IT9022328A0 (en) 1990-12-10
AU6473490A (en) 1991-06-20

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19941016