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CA2033360C - Rodoirs en plastique moulable par injection - Google Patents

Rodoirs en plastique moulable par injection Download PDF

Info

Publication number
CA2033360C
CA2033360C CA002033360A CA2033360A CA2033360C CA 2033360 C CA2033360 C CA 2033360C CA 002033360 A CA002033360 A CA 002033360A CA 2033360 A CA2033360 A CA 2033360A CA 2033360 C CA2033360 C CA 2033360C
Authority
CA
Canada
Prior art keywords
lap
lap according
ribs
polymer
rim
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 - Lifetime
Application number
CA002033360A
Other languages
English (en)
Other versions
CA2033360A1 (fr
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
Gerber Coburn Optical 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 Gerber Coburn Optical Inc filed Critical Gerber Coburn Optical Inc
Publication of CA2033360A1 publication Critical patent/CA2033360A1/fr
Application granted granted Critical
Publication of CA2033360C publication Critical patent/CA2033360C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B13/00Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
    • B24B13/01Specific 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)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
CA002033360A 1990-01-03 1990-12-28 Rodoirs en plastique moulable par injection Expired - Lifetime CA2033360C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US46037890A 1990-01-03 1990-01-03
US460,378 1990-01-03

Publications (2)

Publication Number Publication Date
CA2033360A1 CA2033360A1 (fr) 1991-07-04
CA2033360C true CA2033360C (fr) 2001-10-30

Family

ID=23828473

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002033360A Expired - Lifetime CA2033360C (fr) 1990-01-03 1990-12-28 Rodoirs en plastique moulable par injection

Country Status (6)

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

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
AU6801490A (en) 1991-07-04
EP0436315A2 (fr) 1991-07-10
AU641962B2 (en) 1993-10-07
ZA918B (en) 1992-08-26
CA2033360A1 (fr) 1991-07-04
EP0436315A3 (en) 1991-12-11
JPH04135153A (ja) 1992-05-08
BR9006670A (pt) 1991-10-01

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MKEX Expiry

Effective date: 20101228