FR2690434B1 - Method and machine for forming aspherical glass optical lenses, one surface of which is convex and the other concave. - Google Patents

Method and machine for forming aspherical glass optical lenses, one surface of which is convex and the other concave.

Info

Publication number
FR2690434B1
FR2690434B1 FR9204993A FR9204993A FR2690434B1 FR 2690434 B1 FR2690434 B1 FR 2690434B1 FR 9204993 A FR9204993 A FR 9204993A FR 9204993 A FR9204993 A FR 9204993A FR 2690434 B1 FR2690434 B1 FR 2690434B1
Authority
FR
France
Prior art keywords
concave
convex
machine
optical lenses
glass optical
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 - Fee Related
Application number
FR9204993A
Other languages
French (fr)
Other versions
FR2690434A1 (en
Inventor
Gilbert Pujol
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.)
Corning Inc
Original Assignee
Corning 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 Corning Inc filed Critical Corning Inc
Priority to FR9204993A priority Critical patent/FR2690434B1/en
Publication of FR2690434A1 publication Critical patent/FR2690434A1/en
Application granted granted Critical
Publication of FR2690434B1 publication Critical patent/FR2690434B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B11/00Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing
    • C03B11/06Construction of plunger or mould
    • C03B11/08Construction of plunger or mould for making solid articles, e.g. lenses
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2215/00Press-moulding glass
    • C03B2215/40Product characteristics
    • C03B2215/46Lenses, e.g. bi-convex
    • C03B2215/48Convex-concave
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2215/00Press-moulding glass
    • C03B2215/63Pressing between porous dies supplied with gas, i.e. contactless pressing
FR9204993A 1992-04-23 1992-04-23 Method and machine for forming aspherical glass optical lenses, one surface of which is convex and the other concave. Expired - Fee Related FR2690434B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9204993A FR2690434B1 (en) 1992-04-23 1992-04-23 Method and machine for forming aspherical glass optical lenses, one surface of which is convex and the other concave.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9204993A FR2690434B1 (en) 1992-04-23 1992-04-23 Method and machine for forming aspherical glass optical lenses, one surface of which is convex and the other concave.

Publications (2)

Publication Number Publication Date
FR2690434A1 FR2690434A1 (en) 1993-10-29
FR2690434B1 true FR2690434B1 (en) 1994-11-18

Family

ID=9429179

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9204993A Expired - Fee Related FR2690434B1 (en) 1992-04-23 1992-04-23 Method and machine for forming aspherical glass optical lenses, one surface of which is convex and the other concave.

Country Status (1)

Country Link
FR (1) FR2690434B1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19510195C2 (en) * 1995-03-21 1997-02-13 Deutsche Spezialglas Ag Process for producing bright-pressed glass bodies for optical equipment and device for carrying out the process
FR2739095B1 (en) * 1995-09-25 1997-11-14 Saint Gobain Vitrage OPTICAL LENSES AND MANUFACTURING METHODS
CN1244508C (en) * 1998-12-09 2006-03-08 Hoya株式会社 Method and device for mould pressing glass products
WO2001012565A1 (en) 1999-08-13 2001-02-22 Koninklijke Philips Electronics N.V. Method of manufacturing a cathode ray tube
JP2006265087A (en) * 2004-12-13 2006-10-05 Ohara Inc Preform for optical element
KR102618613B1 (en) * 2017-10-13 2023-12-27 코닝 인코포레이티드 Method and apparatus for pressing glass or glass-ceramic preforms to form forming plates, method for manufacturing liquid lenses, and liquid lenses

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4822977B1 (en) * 1968-04-18 1973-07-10
GB1429343A (en) * 1973-03-05 1976-03-24 Pilkington Brothers Ltd Shaping of glass to a desired form
CA1044930A (en) * 1974-12-16 1978-12-26 Emil W. Deeg Multifocal lenses and method of making same

Also Published As

Publication number Publication date
FR2690434A1 (en) 1993-10-29

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Legal Events

Date Code Title Description
ST Notification of lapse