GB705770A - Improvements relating to lock washers and their manufacture - Google Patents

Improvements relating to lock washers and their manufacture

Info

Publication number
GB705770A
GB705770A GB51352A GB51352A GB705770A GB 705770 A GB705770 A GB 705770A GB 51352 A GB51352 A GB 51352A GB 51352 A GB51352 A GB 51352A GB 705770 A GB705770 A GB 705770A
Authority
GB
United Kingdom
Prior art keywords
lock washers
flange
manufacture
washer
channel section
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
GB51352A
Inventor
Ougljesa Jules Poupitch
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.)
Illinois Tool Works Inc
Original Assignee
Illinois Tool Works Inc
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 Illinois Tool Works Inc filed Critical Illinois Tool Works Inc
Priority to GB51352A priority Critical patent/GB705770A/en
Priority to FR1049207D priority patent/FR1049207A/en
Publication of GB705770A publication Critical patent/GB705770A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B39/00—Locking of screws, bolts or nuts
    • F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
    • F16B39/24—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by means of washers, spring washers, or resilient plates that lock against the object
    • 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
    • B21D53/16—Making other particular articles rings, e.g. barrel hoops
    • B21D53/20—Making other particular articles rings, e.g. barrel hoops washers, e.g. for sealing

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Insertion Pins And Rivets (AREA)

Abstract

705,770. Making lock washers. ILLINOIS TOOL WORKS. Jan. 7, 1952, No. 513/52. Classes 83 (2) and 83 (4). [Also in Group XXV] Jointing by stamping.-Lock washers with an applied ring 24, Fig. 8, of channel section forming a thickened rim are produced from strip stock by follow-on tools in a punched press. The successive steps are punch at 32, Figs 6 and 7, flange at 36, sever and centralize the flange at 38, form to channel section and close on the washer rim at 40, punch holes 44, and twist the teeth 14 at 46, leaving the washer ready to be blanked from the strip. In a modification during the closure at 40 the ring 24 is swaged to arrow-head form in cross section.
GB51352A 1952-01-07 1952-01-07 Improvements relating to lock washers and their manufacture Expired GB705770A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB51352A GB705770A (en) 1952-01-07 1952-01-07 Improvements relating to lock washers and their manufacture
FR1049207D FR1049207A (en) 1952-01-07 1952-01-17 Lock washer and its manufacturing process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB51352A GB705770A (en) 1952-01-07 1952-01-07 Improvements relating to lock washers and their manufacture

Publications (1)

Publication Number Publication Date
GB705770A true GB705770A (en) 1954-03-17

Family

ID=9705681

Family Applications (1)

Application Number Title Priority Date Filing Date
GB51352A Expired GB705770A (en) 1952-01-07 1952-01-07 Improvements relating to lock washers and their manufacture

Country Status (2)

Country Link
FR (1) FR1049207A (en)
GB (1) GB705770A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112387868A (en) * 2020-10-28 2021-02-23 东风汽车有限公司 Continuous stamping method for internal and external sawtooth locking washers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112387868A (en) * 2020-10-28 2021-02-23 东风汽车有限公司 Continuous stamping method for internal and external sawtooth locking washers

Also Published As

Publication number Publication date
FR1049207A (en) 1953-12-29

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