FR2322835A1 - method of molding glass optical elements and the mold for their manufacture - Google Patents

method of molding glass optical elements and the mold for their manufacture

Info

Publication number
FR2322835A1
FR2322835A1 FR7625983A FR7625983A FR2322835A1 FR 2322835 A1 FR2322835 A1 FR 2322835A1 FR 7625983 A FR7625983 A FR 7625983A FR 7625983 A FR7625983 A FR 7625983A FR 2322835 A1 FR2322835 A1 FR 2322835A1
Authority
FR
France
Prior art keywords
mold
manufacture
method
optical elements
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.)
Granted
Application number
FR7625983A
Other languages
French (fr)
Other versions
FR2322835B1 (en
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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
Priority to US60932875A priority Critical
Priority to US60932975A priority
Application filed by Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of FR2322835A1 publication Critical patent/FR2322835A1/en
Application granted granted Critical
Publication of FR2322835B1 publication Critical patent/FR2322835B1/fr
Application status is Expired legal-status Critical

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
    • C03B11/084Construction of plunger or mould for making solid articles, e.g. lenses material composition or material properties of press dies therefor
    • C03B11/086Construction of plunger or mould for making solid articles, e.g. lenses material composition or material properties of press dies therefor of coated dies
    • 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
    • C03B11/084Construction of plunger or mould for making solid articles, e.g. lenses material composition or material properties of press dies therefor
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2215/00Press-moulding glass
    • C03B2215/02Press-mould materials
    • C03B2215/05Press-mould die materials
    • C03B2215/07Ceramic or cermets
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2215/00Press-moulding glass
    • C03B2215/02Press-mould materials
    • C03B2215/08Coated press-mould dies
    • C03B2215/14Die top coat materials, e.g. materials for the glass-contacting layers
    • C03B2215/26Mixtures of materials covered by more than one of the groups C03B2215/16 - C03B2215/24, e.g. C-SiC, Cr-Cr2O3, SIALON
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2215/00Press-moulding glass
    • C03B2215/60Aligning press die axes
FR7625983A 1975-09-02 1976-08-27 Expired FR2322835B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US60932875A true 1975-09-02 1975-09-02
US60932975A true 1975-09-02 1975-09-02

Publications (2)

Publication Number Publication Date
FR2322835A1 true FR2322835A1 (en) 1977-04-01
FR2322835B1 FR2322835B1 (en) 1980-05-09

Family

ID=27086009

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7625983A Expired FR2322835B1 (en) 1975-09-02 1976-08-27

Country Status (7)

Country Link
JP (1) JPS5245613A (en)
AU (1) AU1738576A (en)
DE (1) DE2639259A1 (en)
FR (1) FR2322835B1 (en)
GB (1) GB1543954A (en)
HK (1) HK61679A (en)
MY (1) MY8000117A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0191618A1 (en) * 1985-02-08 1986-08-20 Matsushita Electric Industrial Co., Ltd. Mold for press-molding glass optical elements and a molding method using the same
WO1987005594A1 (en) * 1986-03-17 1987-09-24 Ernst Leitz Wetzlar Gmbh Use of an oxide ceramic material for pressing tools for shaping components made of glass or of a glass-containing ceramic having a high surface quality and dimensional accuracy

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2458787C2 (en) * 1974-12-12 1983-02-03 Philips Patentverwaltung Gmbh, 2000 Hamburg, De
DE2821871C2 (en) * 1978-05-19 1986-10-30 Philips Patentverwaltung Gmbh, 2000 Hamburg, De
KR860001491B1 (en) * 1981-10-30 1986-09-27 코오닝 그라아스 와아크스 Process for molding glass shapes of high precision
DE3322523C2 (en) * 1983-06-23 1985-05-15 Ernst Leitz Wetzlar Gmbh, 6330 Wetzlar, De
JPS60127246A (en) * 1983-12-09 1985-07-06 Matsushita Electric Ind Co Ltd Mold for direct compression molding of optical glass lens
JPS60176929A (en) * 1984-02-21 1985-09-11 Matsushita Electric Ind Co Ltd Mold for press molding glass lens
JPS60176928A (en) * 1984-02-21 1985-09-11 Matsushita Electric Ind Co Ltd Mold for press molding glass lens
JPS60251134A (en) * 1984-05-29 1985-12-11 Hoya Corp Mold material for molding glass lens
JPH0146451B2 (en) * 1984-07-14 1989-10-09 Hoya Corp
JPH0429612B2 (en) * 1984-09-17 1992-05-19
JPS61174128A (en) * 1985-01-28 1986-08-05 Sumitomo Electric Ind Ltd Mold for molding lens
JPH0146454B2 (en) * 1985-04-30 1989-10-09 Hoya Corp
DE3729281C2 (en) * 1987-09-02 1991-01-31 Schott Glaswerke, 6500 Mainz, De
JPH0461816B2 (en) * 1987-09-28 1992-10-02 Hoya Corp
JPH0422857B2 (en) * 1988-05-30 1992-04-20 Matsushita Electric Ind Co Ltd
JPH01302075A (en) * 1988-05-30 1989-12-06 Matsushita Refrig Co Ltd Multi-room type air conditioner
US5202156A (en) * 1988-08-16 1993-04-13 Canon Kabushiki Kaisha Method of making an optical element mold with a hard carbon film
US5380349A (en) * 1988-12-07 1995-01-10 Canon Kabushiki Kaisha Mold having a diamond layer, for molding optical elements
US5171348A (en) * 1989-06-20 1992-12-15 Matsushita Electric Industrial Co., Ltd. Die for press-molding optical element
US5246198A (en) * 1990-06-01 1993-09-21 Canon Kabushiki Kaisha Diamond crystal coated mold for forming optical elements
US5215566A (en) * 1991-01-18 1993-06-01 Canon Kabushiki Kaisha Method of manufacturing optical element
JP2815057B2 (en) * 1992-06-08 1998-10-27 キヤノン株式会社 An optical element molding die, a manufacturing method thereof, an optical element and a lens
DE69322212T2 (en) * 1992-06-25 1999-06-24 Canon Kk Mold for manufacturing of optical elements and methods for their preparation
JP3231165B2 (en) * 1993-11-15 2001-11-19 キヤノン株式会社 Type and a manufacturing method thereof for optical element molding
JP4556383B2 (en) 2002-11-29 2010-10-06 コニカミノルタホールディングス株式会社 Processing method of transfer optical surface
DE102008011528A1 (en) 2008-02-28 2009-09-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Device for the production of articles from glass by hot forming and manufacturing process
JP2011088771A (en) * 2009-10-21 2011-05-06 Tosoh Quartz Corp Method of molding quartz glass material using mold material
JP5390357B2 (en) 2009-12-04 2014-01-15 パナソニック株式会社 Press molding die for optical lens, glass optical lens, and method for manufacturing glass optical lens

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2201049A (en) * 1938-02-01 1940-05-14 Gen Electric Glass fabrication process and mold
FR2289456A1 (en) * 1974-10-23 1976-05-28 Ball Brothers Res Corp Coating anti-adhesive for the production of glassware

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2201049A (en) * 1938-02-01 1940-05-14 Gen Electric Glass fabrication process and mold
FR2289456A1 (en) * 1974-10-23 1976-05-28 Ball Brothers Res Corp Coating anti-adhesive for the production of glassware

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0191618A1 (en) * 1985-02-08 1986-08-20 Matsushita Electric Industrial Co., Ltd. Mold for press-molding glass optical elements and a molding method using the same
WO1987005594A1 (en) * 1986-03-17 1987-09-24 Ernst Leitz Wetzlar Gmbh Use of an oxide ceramic material for pressing tools for shaping components made of glass or of a glass-containing ceramic having a high surface quality and dimensional accuracy
US4889548A (en) * 1986-03-17 1989-12-26 Ernst Leitz Wetzlar Gmbh Use of an oxide ceramic material for compression molds for shaping elements made from glass or a glass-containing ceramic and having high surface quality and dimensional accuracy

Also Published As

Publication number Publication date
JPS5245613A (en) 1977-04-11
HK61679A (en) 1979-09-07
AU1738576A (en) 1978-03-09
FR2322835B1 (en) 1980-05-09
MY8000117A (en) 1980-12-31
DE2639259A1 (en) 1977-03-10
GB1543954A (en) 1979-04-11

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Legal Events

Date Code Title Description
ST Notification of lapse