GB1302852A - - Google Patents

Info

Publication number
GB1302852A
GB1302852A GB1302852DA GB1302852A GB 1302852 A GB1302852 A GB 1302852A GB 1302852D A GB1302852D A GB 1302852DA GB 1302852 A GB1302852 A GB 1302852A
Authority
GB
United Kingdom
Prior art keywords
lens
axis
rotation
work
holder
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
Other languages
English (en)
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 filed Critical
Publication of GB1302852A publication Critical patent/GB1302852A/en
Expired 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
    • B24B13/00—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
    • B24B13/005—Blocking means, chucks or the like; Alignment devices
    • B24B13/0052—Lens block moulding devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
GB1302852D 1968-12-07 1968-12-07 Expired GB1302852A (cg-RX-API-DMAC7.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5825468 1968-12-07

Publications (1)

Publication Number Publication Date
GB1302852A true GB1302852A (cg-RX-API-DMAC7.html) 1973-01-10

Family

ID=10481147

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1302852D Expired GB1302852A (cg-RX-API-DMAC7.html) 1968-12-07 1968-12-07

Country Status (1)

Country Link
GB (1) GB1302852A (cg-RX-API-DMAC7.html)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988009239A1 (fr) * 1987-05-26 1988-12-01 Fmtd Fabrique De Machines Et Taillerie De Diamants Dispositif de fixation rotatif par congelation
EP0371621A1 (en) * 1988-11-30 1990-06-06 Optical Company Limited Norville Lens location block

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988009239A1 (fr) * 1987-05-26 1988-12-01 Fmtd Fabrique De Machines Et Taillerie De Diamants Dispositif de fixation rotatif par congelation
GB2211119A (en) * 1987-05-26 1989-06-28 Fmtd Fab Mach Taill Diamants Rotary fixing device for fixing by freezing
GB2211119B (en) * 1987-05-26 1991-06-05 Fmtd Fab Mach Taill Diamants Rotary attachment means.
EP0371621A1 (en) * 1988-11-30 1990-06-06 Optical Company Limited Norville Lens location block
AU622736B2 (en) * 1988-11-30 1992-04-16 Stephen Jack Wylde Lens location block

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees