GB2222971B - Improvements relating to grinding machines - Google Patents

Improvements relating to grinding machines

Info

Publication number
GB2222971B
GB2222971B GB8921777A GB8921777A GB2222971B GB 2222971 B GB2222971 B GB 2222971B GB 8921777 A GB8921777 A GB 8921777A GB 8921777 A GB8921777 A GB 8921777A GB 2222971 B GB2222971 B GB 2222971B
Authority
GB
United Kingdom
Prior art keywords
improvements relating
grinding machines
grinding
machines
relating
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 - Fee Related
Application number
GB8921777A
Other versions
GB8921777D0 (en
GB2222971A (en
Inventor
Jeffrey Pratt
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.)
Jones & Shipman PLC
Original Assignee
Jones & Shipman PLC
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 Jones & Shipman PLC filed Critical Jones & Shipman PLC
Publication of GB8921777D0 publication Critical patent/GB8921777D0/en
Publication of GB2222971A publication Critical patent/GB2222971A/en
Application granted granted Critical
Publication of GB2222971B publication Critical patent/GB2222971B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B47/00—Drives or gearings; Equipment therefor
    • B24B47/22—Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
GB8921777A 1988-09-27 1989-09-27 Improvements relating to grinding machines Expired - Fee Related GB2222971B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB888822663A GB8822663D0 (en) 1988-09-27 1988-09-27 Improvements relating to grinding machines

Publications (3)

Publication Number Publication Date
GB8921777D0 GB8921777D0 (en) 1989-11-08
GB2222971A GB2222971A (en) 1990-03-28
GB2222971B true GB2222971B (en) 1992-06-17

Family

ID=10644315

Family Applications (3)

Application Number Title Priority Date Filing Date
GB888822663A Pending GB8822663D0 (en) 1988-09-27 1988-09-27 Improvements relating to grinding machines
GB8921777A Expired - Fee Related GB2222971B (en) 1988-09-27 1989-09-27 Improvements relating to grinding machines
GB898921728A Pending GB8921728D0 (en) 1988-09-27 1989-09-28 Improvements relating to grinding machines

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB888822663A Pending GB8822663D0 (en) 1988-09-27 1988-09-27 Improvements relating to grinding machines

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB898921728A Pending GB8921728D0 (en) 1988-09-27 1989-09-28 Improvements relating to grinding machines

Country Status (1)

Country Link
GB (3) GB8822663D0 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7469168B1 (en) * 2004-03-30 2008-12-23 Northrop Grumman Corp. Rudder control system with adjustable solenoid on/off settings, solenoid burnout protection, and hydraulic system monitoring

Also Published As

Publication number Publication date
GB8921777D0 (en) 1989-11-08
GB2222971A (en) 1990-03-28
GB8822663D0 (en) 1988-11-02
GB8921728D0 (en) 1989-11-08

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Legal Events

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

Effective date: 20000927