FR2322835A1 - PROCESS FOR MOLDING OPTICAL ELEMENTS IN GLASS AND MOLD FOR THEIR MANUFACTURING - Google Patents

PROCESS FOR MOLDING OPTICAL ELEMENTS IN GLASS AND MOLD FOR THEIR MANUFACTURING

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
glass
manufacturing
optical elements
molding 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
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
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B11/00—Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing
    • C03B11/06—Construction of plunger or mould
    • C03B11/08—Construction of plunger or mould for making solid articles, e.g. lenses
    • C03B11/084—Construction of plunger or mould for making solid articles, e.g. lenses material composition or material properties of press dies therefor
    • C03B11/086—Construction of plunger or mould for making solid articles, e.g. lenses material composition or material properties of press dies therefor of coated dies
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B11/00—Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing
    • C03B11/06—Construction of plunger or mould
    • C03B11/08—Construction of plunger or mould for making solid articles, e.g. lenses
    • C03B11/084—Construction of plunger or mould for making solid articles, e.g. lenses material composition or material properties of press dies therefor
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2215/00—Press-moulding glass
    • C03B2215/02—Press-mould materials
    • C03B2215/05—Press-mould die materials
    • C03B2215/07—Ceramic or cermets
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2215/00—Press-moulding glass
    • C03B2215/02—Press-mould materials
    • C03B2215/08—Coated press-mould dies
    • C03B2215/14—Die top coat materials, e.g. materials for the glass-contacting layers
    • C03B2215/26—Mixtures of materials covered by more than one of the groups C03B2215/16 - C03B2215/24, e.g. C-SiC, Cr-Cr2O3, SIALON
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2215/00—Press-moulding glass
    • C03B2215/60—Aligning press die axes

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
FR7625983A 1975-09-02 1976-08-27 PROCESS FOR MOLDING OPTICAL ELEMENTS IN GLASS AND MOLD FOR THEIR MANUFACTURING Granted FR2322835A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US60932875A 1975-09-02 1975-09-02
US60932975A 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 Granted FR2322835A1 (en) 1975-09-02 1976-08-27 PROCESS FOR MOLDING OPTICAL ELEMENTS IN GLASS AND MOLD FOR THEIR MANUFACTURING

Country Status (7)

Country Link
JP (1) JPS5245613A (en)
AU (1) AU1738576A (en)
DE (1) DE2639259A1 (en)
FR (1) FR2322835A1 (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 Mold for hot working glass
DE2821871C2 (en) * 1978-05-19 1986-10-30 Philips Patentverwaltung Gmbh, 2000 Hamburg Mold for making glass objects
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 Device for molding optical components made of glass with a high surface quality
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
JPS6126528A (en) * 1984-07-14 1986-02-05 Hoya Corp Apparatus for producing pressed lens
JPS6172634A (en) * 1984-09-17 1986-04-14 Olympus Optical Co Ltd Mold for molding glass article
JPS61174128A (en) * 1985-01-28 1986-08-05 Sumitomo Electric Ind Ltd Mold for molding lens
JPS61251528A (en) * 1985-04-30 1986-11-08 Hoya Corp Mold for forming glass lens and production thereof
DE3729281A1 (en) * 1987-09-02 1989-03-16 Schott Glaswerke METHOD FOR PRODUCING PRESSED GLASS MOLDED BODIES FOR PRECISION-OPTICAL PURPOSES
JPS6483529A (en) * 1987-09-28 1989-03-29 Hoya Corp Production of glass forming mold
JPH01302075A (en) * 1988-05-30 1989-12-06 Matsushita Refrig Co Ltd Multi-room type air conditioner
JPH01301528A (en) * 1988-05-30 1989-12-05 Matsushita Electric Ind Co Ltd Method for press forming optical glass element
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 Mold for molding optical element, method for producing the same, optical element and lens
DE69322212T2 (en) * 1992-06-25 1999-06-24 Canon K.K., Tokio/Tokyo Mold for the production of optical elements and process for their production
JP3231165B2 (en) * 1993-11-15 2001-11-19 キヤノン株式会社 Optical element molding die and method of manufacturing the same
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 ANTI-ADHESIVE COATING FOR GLASSWARE MANUFACTURING

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 ANTI-ADHESIVE COATING FOR GLASSWARE MANUFACTURING

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

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Legal Events

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ST Notification of lapse