GB1473322A - Device and method for use in the manufacture of a lens - Google Patents
Device and method for use in the manufacture of a lensInfo
- 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
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.
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) |
-
1974
- 1974-05-20 GB GB1218476A patent/GB1473322A/en not_active Expired
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |