EP0436315A3 - Injection moldable plastic laps - Google Patents

Injection moldable plastic laps Download PDF

Info

Publication number
EP0436315A3
EP0436315A3 EP19900313344 EP90313344A EP0436315A3 EP 0436315 A3 EP0436315 A3 EP 0436315A3 EP 19900313344 EP19900313344 EP 19900313344 EP 90313344 A EP90313344 A EP 90313344A EP 0436315 A3 EP0436315 A3 EP 0436315A3
Authority
EP
European Patent Office
Prior art keywords
laps
injection moldable
moldable plastic
plastic
injection
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.)
Withdrawn
Application number
EP19900313344
Other versions
EP0436315A2 (en
Inventor
Don H. Rotenberg
Milton F. Whitmarsh
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.)
Gerber Coburn Optical Inc
Original Assignee
Pilkington Visioncare Inc
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 Pilkington Visioncare Inc filed Critical Pilkington Visioncare Inc
Publication of EP0436315A2 publication Critical patent/EP0436315A2/en
Publication of EP0436315A3 publication Critical patent/EP0436315A3/en
Withdrawn legal-status Critical Current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
    • B24B13/01—Specific tools, e.g. bowl-like; Production, dressing or fastening of these tools

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
EP19900313344 1990-01-03 1990-12-07 Injection moldable plastic laps Withdrawn EP0436315A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US46037890A 1990-01-03 1990-01-03
US460378 1990-01-03

Publications (2)

Publication Number Publication Date
EP0436315A2 EP0436315A2 (en) 1991-07-10
EP0436315A3 true EP0436315A3 (en) 1991-12-11

Family

ID=23828473

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900313344 Withdrawn EP0436315A3 (en) 1990-01-03 1990-12-07 Injection moldable plastic laps

Country Status (6)

Country Link
EP (1) EP0436315A3 (en)
JP (1) JPH04135153A (en)
AU (1) AU641962B2 (en)
BR (1) BR9006670A (en)
CA (1) CA2033360C (en)
ZA (1) ZA918B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5140782A (en) * 1990-10-29 1992-08-25 Honore Mecteau Tool and method for forming a lens
US5779529A (en) * 1996-11-25 1998-07-14 Bizer Industries Thermoplastic optical lap with reinforced webbing
CN112207877B (en) * 2020-09-07 2022-04-26 中国工程物理研究院激光聚变研究中心 Method for generating spiral groove on surface of asphalt polishing disc in annular polishing

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2811446A1 (en) * 1977-04-21 1978-10-26 American Optical Corp ADAPTER FOR A TOOL FOR THE SURFACE TREATMENT OF LENSES
US4148160A (en) * 1977-12-05 1979-04-10 American Optical Corporation Lens surfacing tool and tool holder
US4377057A (en) * 1978-06-14 1983-03-22 Lortone, Inc. Hand cabbing apparatus
US4382803A (en) * 1980-07-31 1983-05-10 Rowland, Incorporated Tools for optical lenses
DE3712148A1 (en) * 1986-11-28 1988-06-09 Klaus Kassner Bearing body
EP0286469A1 (en) * 1987-03-27 1988-10-12 ESSILOR INTERNATIONAL Compagnie Générale d'Optique Tool automatically shaped to the surface of an ophtalmic lens

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2811446A1 (en) * 1977-04-21 1978-10-26 American Optical Corp ADAPTER FOR A TOOL FOR THE SURFACE TREATMENT OF LENSES
US4148160A (en) * 1977-12-05 1979-04-10 American Optical Corporation Lens surfacing tool and tool holder
US4377057A (en) * 1978-06-14 1983-03-22 Lortone, Inc. Hand cabbing apparatus
US4382803A (en) * 1980-07-31 1983-05-10 Rowland, Incorporated Tools for optical lenses
DE3712148A1 (en) * 1986-11-28 1988-06-09 Klaus Kassner Bearing body
EP0286469A1 (en) * 1987-03-27 1988-10-12 ESSILOR INTERNATIONAL Compagnie Générale d'Optique Tool automatically shaped to the surface of an ophtalmic lens

Also Published As

Publication number Publication date
ZA918B (en) 1992-08-26
AU641962B2 (en) 1993-10-07
CA2033360A1 (en) 1991-07-04
JPH04135153A (en) 1992-05-08
CA2033360C (en) 2001-10-30
EP0436315A2 (en) 1991-07-10
BR9006670A (en) 1991-10-01
AU6801490A (en) 1991-07-04

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Legal Events

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Effective date: 19920610

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Owner name: COBURN OPTICAL INDUSTRIES, INC.

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Effective date: 19930817

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18D Application deemed to be withdrawn

Effective date: 19931228