ZA918B - Injection moldable plastic laps - Google Patents

Injection moldable plastic laps

Info

Publication number
ZA918B
ZA918B ZA918A ZA918A ZA918B ZA 918 B ZA918 B ZA 918B ZA 918 A ZA918 A ZA 918A ZA 918 A ZA918 A ZA 918A ZA 918 B ZA918 B ZA 918B
Authority
ZA
South Africa
Prior art keywords
laps
injection moldable
moldable plastic
plastic
injection
Prior art date
Application number
ZA918A
Other languages
English (en)
Inventor
Don H Rotenberg
H Rotenberg Don
Milton F Whitmarsh
F Whitmarsh Milton
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 ZA918B publication Critical patent/ZA918B/xx

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)
ZA918A 1990-01-03 1991-01-02 Injection moldable plastic laps ZA918B (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ZA918B true ZA918B (en) 1992-08-26

Family

ID=23828473

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA918A ZA918B (en) 1990-01-03 1991-01-02 Injection moldable plastic laps

Country Status (6)

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

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 (zh) * 2020-09-07 2022-04-26 中国工程物理研究院激光聚变研究中心 一种环形抛光中沥青抛光盘表面螺旋槽的生成方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4098028A (en) * 1977-04-21 1978-07-04 American Optical Corporation Adaptor for lens surfacing tool
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 (de) * 1986-11-28 1988-06-09 Klaus Kassner Auflagerkoerper
FR2612823B1 (fr) * 1987-03-27 1994-02-25 Essilor Internal Cie Gle Optique Outil a depression autoconformable a la surface d'une lentille ophtalmique et utilisable notamment comme tampon applicateur ou polissoir

Also Published As

Publication number Publication date
CA2033360A1 (en) 1991-07-04
BR9006670A (pt) 1991-10-01
EP0436315A2 (en) 1991-07-10
AU6801490A (en) 1991-07-04
CA2033360C (en) 2001-10-30
EP0436315A3 (en) 1991-12-11
AU641962B2 (en) 1993-10-07
JPH04135153A (ja) 1992-05-08

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