JPS57177841A - Manufacture of locker arm shaft - Google Patents

Manufacture of locker arm shaft

Info

Publication number
JPS57177841A
JPS57177841A JP6200581A JP6200581A JPS57177841A JP S57177841 A JPS57177841 A JP S57177841A JP 6200581 A JP6200581 A JP 6200581A JP 6200581 A JP6200581 A JP 6200581A JP S57177841 A JPS57177841 A JP S57177841A
Authority
JP
Japan
Prior art keywords
raw material
tube
necessary
material tube
locker arm
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
JP6200581A
Other languages
Japanese (ja)
Other versions
JPH0141808B2 (en
Inventor
Yasuhiro Kato
Hisashi Oki
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP6200581A priority Critical patent/JPS57177841A/en
Publication of JPS57177841A publication Critical patent/JPS57177841A/en
Publication of JPH0141808B2 publication Critical patent/JPH0141808B2/ja
Granted 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
    • B21D53/00—Making other particular articles
    • B21D53/84—Making other particular articles other parts for engines, e.g. connecting-rods

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)

Abstract

PURPOSE:To obtain a locker arm free from curb of strength by inserting a reinforcing tube longer than the supporting part and then pressing the raw material tube at the necessary part, to increase the thickness of a supporting part which is formed at a necessary place of a raw material tube. CONSTITUTION:Reinforcing tubes 2 a little bit longer than supporting parts to be formed are inserted into a raw material tube 1 to necessary places, and then the reinforcing tubes 2 ar fixed by an adhesive or spot welding upon occasion. The raw material tube 1 is pressed with upper and lower dieces 3 and 4 having necessary shapes to shape the tube 1 at the necessary places together with the inserted reinforcing tubes 2, thus forming parallel surfaces 1a and 1a where a locker arm is fitted and supported. Consequently, the reinforcing tubes 2 are made into one in contact with the internal surface of the raw material tube 1, and their end parts 2a and 2a are both projecting slightly from both the ends of parallel surfaces 1a and 1a in the axial direction. Therefore, even when the thickness of the tube 1 is small, the thickness of the locker arm supporting part is increased sufficiently.
JP6200581A 1981-04-24 1981-04-24 Manufacture of locker arm shaft Granted JPS57177841A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6200581A JPS57177841A (en) 1981-04-24 1981-04-24 Manufacture of locker arm shaft

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6200581A JPS57177841A (en) 1981-04-24 1981-04-24 Manufacture of locker arm shaft

Publications (2)

Publication Number Publication Date
JPS57177841A true JPS57177841A (en) 1982-11-01
JPH0141808B2 JPH0141808B2 (en) 1989-09-07

Family

ID=13187599

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6200581A Granted JPS57177841A (en) 1981-04-24 1981-04-24 Manufacture of locker arm shaft

Country Status (1)

Country Link
JP (1) JPS57177841A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2858945A1 (en) * 2003-07-24 2005-02-25 Thyssenkrupp Stahl Ag METHOD FOR MANUFACTURING SECRET-REINFORCED METAL TUBULAR ELEMENT, IN PARTICULAR FOR SUPPORT STRUCTURES IN MOTOR VEHICLES

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2858945A1 (en) * 2003-07-24 2005-02-25 Thyssenkrupp Stahl Ag METHOD FOR MANUFACTURING SECRET-REINFORCED METAL TUBULAR ELEMENT, IN PARTICULAR FOR SUPPORT STRUCTURES IN MOTOR VEHICLES

Also Published As

Publication number Publication date
JPH0141808B2 (en) 1989-09-07

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