GB1538897A - Process and tool for producing an internal screw-thread and a sheet metal article having such an internal screw-thread - Google Patents

Process and tool for producing an internal screw-thread and a sheet metal article having such an internal screw-thread

Info

Publication number
GB1538897A
GB1538897A GB2322076A GB2322076A GB1538897A GB 1538897 A GB1538897 A GB 1538897A GB 2322076 A GB2322076 A GB 2322076A GB 2322076 A GB2322076 A GB 2322076A GB 1538897 A GB1538897 A GB 1538897A
Authority
GB
United Kingdom
Prior art keywords
thread
internal screw
tool
producing
sheet metal
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
GB2322076A
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.)
Selzer & Co KG
Original Assignee
Selzer & Co KG
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 Selzer & Co KG filed Critical Selzer & Co KG
Publication of GB1538897A publication Critical patent/GB1538897A/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
    • B21D53/00—Making other particular articles
    • B21D53/24—Making other particular articles nuts or like thread-engaging members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/12—Transmitting gear between valve drive and valve
    • F01L1/18—Rocking arms or levers
    • F01L1/181—Centre pivot rocking arms

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
GB2322076A 1975-06-10 1976-06-04 Process and tool for producing an internal screw-thread and a sheet metal article having such an internal screw-thread Expired GB1538897A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752525716 DE2525716A1 (en) 1975-06-10 1975-06-10 METHOD FOR PRODUCING AN INTERNAL THREAD

Publications (1)

Publication Number Publication Date
GB1538897A true GB1538897A (en) 1979-01-24

Family

ID=5948676

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2322076A Expired GB1538897A (en) 1975-06-10 1976-06-04 Process and tool for producing an internal screw-thread and a sheet metal article having such an internal screw-thread

Country Status (3)

Country Link
DE (1) DE2525716A1 (en)
FR (1) FR2313995A1 (en)
GB (1) GB1538897A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2187250A (en) * 1986-02-25 1987-09-03 Sta Co Mettallerzeugnisse Gmbh Lever arm for locking mechanism
GB2349181A (en) * 1999-04-23 2000-10-25 Toledo Technologies Inc Interchangeable rocker arm assembly

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2819356A1 (en) * 1978-05-03 1979-11-08 Bayerische Motoren Werke Ag ROCKING LEVER FOR THE VALVE DRIVE OF COMBUSTION ENGINE

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2187250A (en) * 1986-02-25 1987-09-03 Sta Co Mettallerzeugnisse Gmbh Lever arm for locking mechanism
GB2349181A (en) * 1999-04-23 2000-10-25 Toledo Technologies Inc Interchangeable rocker arm assembly
US6230676B1 (en) 1999-04-23 2001-05-15 Toledo Technologies Inc. Interchangeable rocker arm assembly
GB2349181B (en) * 1999-04-23 2003-10-08 Toledo Technologies Inc Interchangeable rocker arm assembly

Also Published As

Publication number Publication date
DE2525716A1 (en) 1976-12-23
FR2313995A1 (en) 1977-01-07

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Legal Events

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