GB1321770A - Method of and apparatus for electrolycally etching letter and the like on outer surfaces of annular articles - Google Patents

Method of and apparatus for electrolycally etching letter and the like on outer surfaces of annular articles

Info

Publication number
GB1321770A
GB1321770A GB4920571A GB4920571A GB1321770A GB 1321770 A GB1321770 A GB 1321770A GB 4920571 A GB4920571 A GB 4920571A GB 4920571 A GB4920571 A GB 4920571A GB 1321770 A GB1321770 A GB 1321770A
Authority
GB
United Kingdom
Prior art keywords
annular
article
etching
fixed electrode
electrolycally
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
GB4920571A
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.)
NTN Corp
Original Assignee
Toyo Bearing Manufacturing 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 Toyo Bearing Manufacturing Co Ltd filed Critical Toyo Bearing Manufacturing Co Ltd
Publication of GB1321770A publication Critical patent/GB1321770A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H9/00—Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects
    • B23H9/06—Marking or engraving

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Electroplating Methods And Accessories (AREA)
GB4920571A 1970-12-19 1971-10-22 Method of and apparatus for electrolycally etching letter and the like on outer surfaces of annular articles Expired GB1321770A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11474670A JPS4926816B1 (enExample) 1970-12-19 1970-12-19

Publications (1)

Publication Number Publication Date
GB1321770A true GB1321770A (en) 1973-06-27

Family

ID=14645615

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4920571A Expired GB1321770A (en) 1970-12-19 1971-10-22 Method of and apparatus for electrolycally etching letter and the like on outer surfaces of annular articles

Country Status (5)

Country Link
JP (1) JPS4926816B1 (enExample)
CA (1) CA979844A (enExample)
DE (1) DE2161464C3 (enExample)
FR (1) FR2117875B1 (enExample)
GB (1) GB1321770A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103981565A (zh) * 2014-04-29 2014-08-13 重庆市新超力轴承有限公司 一种轴承自动连线打字机及其打字方法

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51157410U (enExample) * 1975-06-06 1976-12-15
JPS5257015U (enExample) * 1975-10-17 1977-04-25
JPS5259109U (enExample) * 1975-10-24 1977-04-28
CN113369608B (zh) * 2021-06-11 2022-10-04 河南理工大学 一种在金属表面同步制备微织构和微织化微坑的方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103981565A (zh) * 2014-04-29 2014-08-13 重庆市新超力轴承有限公司 一种轴承自动连线打字机及其打字方法
CN103981565B (zh) * 2014-04-29 2017-01-04 重庆市新超力轴承有限公司 一种轴承自动连线打字机及其打字方法

Also Published As

Publication number Publication date
CA979844A (en) 1975-12-16
DE2161464C3 (de) 1975-05-07
FR2117875B1 (enExample) 1974-05-10
DE2161464A1 (de) 1972-07-06
DE2161464B2 (de) 1974-09-19
JPS4926816B1 (enExample) 1974-07-12
FR2117875A1 (enExample) 1972-07-28

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Legal Events

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