CA1010660A - Lens surfacing pads and method of making the same - Google Patents

Lens surfacing pads and method of making the same

Info

Publication number
CA1010660A
CA1010660A CA198,746A CA198746A CA1010660A CA 1010660 A CA1010660 A CA 1010660A CA 198746 A CA198746 A CA 198746A CA 1010660 A CA1010660 A CA 1010660A
Authority
CA
Canada
Prior art keywords
making
same
lens surfacing
pads
surfacing pads
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
CA198,746A
Other versions
CA198746S (en
Inventor
Bertram R. Goodwin
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.)
American Optical Corp
Original Assignee
American Optical Corp
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 American Optical Corp filed Critical American Optical Corp
Application granted granted Critical
Publication of CA1010660A publication Critical patent/CA1010660A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/06—Interconnection of layers permitting easy separation
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/024—Woven fabric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/554—Wear resistance
CA198,746A 1973-05-14 1974-05-02 Lens surfacing pads and method of making the same Expired CA1010660A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US359825A US3921344A (en) 1973-05-14 1973-05-14 Lens surfacing pads and method of making the same

Publications (1)

Publication Number Publication Date
CA1010660A true CA1010660A (en) 1977-05-24

Family

ID=23415438

Family Applications (1)

Application Number Title Priority Date Filing Date
CA198,746A Expired CA1010660A (en) 1973-05-14 1974-05-02 Lens surfacing pads and method of making the same

Country Status (3)

Country Link
US (1) US3921344A (en)
CA (1) CA1010660A (en)
GB (1) GB1436481A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE31897E (en) * 1975-03-31 1985-05-28 Minnesota Mining And Manufacturing Company Method for the alteration of a lens
US4255164A (en) * 1979-04-30 1981-03-10 Minnesota Mining And Manufacturing Company Fining sheet and method of making and using the same
US4989316A (en) * 1987-03-09 1991-02-05 Gerber Scientific Products, Inc. Method and apparatus for making prescription eyeglass lenses
US5000761A (en) * 1988-10-26 1991-03-19 Ferro Corporation Gel producing pad and improved method for surfacing and polishing lenses
CA2159797A1 (en) * 1994-10-28 1996-04-29 John H. Ko Compliant lens block and tape
US7160413B2 (en) * 2004-01-09 2007-01-09 Mipox International Corporation Layered support and method for laminating CMP pads
US8038826B2 (en) * 2007-02-01 2011-10-18 Scott Office Systems, Llc Tabbed divider making apparatus and method
US8002688B2 (en) * 2008-02-12 2011-08-23 Scott Office Systems Llc Customized tab machine

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2085211A (en) * 1934-12-10 1937-06-29 Briggs Mfg Co Grinding disk and method of making the same
US2286208A (en) * 1940-12-03 1942-06-16 Carborundum Co Granular coated article and its manufacture
US2752738A (en) * 1953-09-04 1956-07-03 Donald W Kent Overlay for and method of grinding lens blanks
GB855436A (en) * 1958-07-09 1960-11-30 George Davies Abrasive or polishing elements
US3144737A (en) * 1962-09-27 1964-08-18 Bausch & Lomb Aluminum foil lens grinding pad
US3225497A (en) * 1962-10-19 1965-12-28 American Optical Corp Method and apparatus for forming a lens surface
US3583111A (en) * 1966-08-22 1971-06-08 David Volk Lens grinding apparatus
US3522680A (en) * 1967-03-23 1970-08-04 George M J Sarofeen Expanded metal facing for a lens abrading tool
US3699721A (en) * 1967-08-22 1972-10-24 Itek Corp Grinding pad
GB1375571A (en) * 1971-07-27 1974-11-27

Also Published As

Publication number Publication date
GB1436481A (en) 1976-05-19
US3921344A (en) 1975-11-25
USB359825I5 (en) 1975-01-28

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