GB1473322A - Device and method for use in the manufacture of a lens - Google Patents

Device and method for use in the manufacture of a lens

Info

Publication number
GB1473322A
GB1473322A GB1218476A GB1218476A GB1473322A GB 1473322 A GB1473322 A GB 1473322A GB 1218476 A GB1218476 A GB 1218476A GB 1218476 A GB1218476 A GB 1218476A GB 1473322 A GB1473322 A GB 1473322A
Authority
GB
United Kingdom
Prior art keywords
blank
face
lens
flexible portion
manufacture
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
GB1218476A
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.)
Dollond and Aitchison Services Ltd
Original Assignee
Dollond and Aitchison Services 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 Dollond and Aitchison Services Ltd filed Critical Dollond and Aitchison Services Ltd
Priority to GB1218476A priority Critical patent/GB1473322A/en
Publication of GB1473322A publication Critical patent/GB1473322A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)

Abstract

1473322 Grinding lenses DOLLOND & AITCHISON SERVICES Ltd 20 May 1974 [27 April 1973] 12184/76 Divided out of 1473321 Heading B3D The subject-matter of the present Specification is included in that of Specification 1,473,321 and the main claim is directed to a locating device for temporary attachment to a lens blank whereby the blank can be located in a predetermined position in apparatus for operating on the blank, the device comprising a flexible portion having a face which, in use, engages a face of the lens blank and adopts a form complementary to that of the face of the blank, and a layer of adhesive on the flexible portion adapted to adhere the device temporarily to the face of the blank.
GB1218476A 1974-05-20 1974-05-20 Device and method for use in the manufacture of a lens Expired GB1473322A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1218476A GB1473322A (en) 1974-05-20 1974-05-20 Device and method for use in the manufacture of a lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1218476A GB1473322A (en) 1974-05-20 1974-05-20 Device and method for use in the manufacture of a lens

Publications (1)

Publication Number Publication Date
GB1473322A true GB1473322A (en) 1977-05-11

Family

ID=9999879

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1218476A Expired GB1473322A (en) 1974-05-20 1974-05-20 Device and method for use in the manufacture of a lens

Country Status (1)

Country Link
GB (1) GB1473322A (en)

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Legal Events

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