FR2322835B1 - - Google Patents

Info

Publication number
FR2322835B1
FR2322835B1 FR7625983A FR7625983A FR2322835B1 FR 2322835 B1 FR2322835 B1 FR 2322835B1 FR 7625983 A FR7625983 A FR 7625983A FR 7625983 A FR7625983 A FR 7625983A FR 2322835 B1 FR2322835 B1 FR 2322835B1
Authority
FR
France
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
FR7625983A
Other languages
French (fr)
Other versions
FR2322835A1 (fr
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/fr
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 Procede de moulage d'elements optiques en verre et moule pour leur fabrication Granted FR2322835A1 (fr)

Applications Claiming Priority (2)

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

Publications (2)

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

Family

ID=27086009

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7625983A Granted FR2322835A1 (fr) 1975-09-02 1976-08-27 Procede de moulage d'elements optiques en verre et moule pour leur fabrication

Country Status (7)

Country Link
JP (1) JPS5245613A (sv)
AU (1) AU1738576A (sv)
DE (1) DE2639259A1 (sv)
FR (1) FR2322835A1 (sv)
GB (1) GB1543954A (sv)
HK (1) HK61679A (sv)
MY (1) MY8000117A (sv)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2458787C2 (de) * 1974-12-12 1983-02-03 Philips Patentverwaltung Gmbh, 2000 Hamburg Form zum Warmbearbeiten von Glas
DE2821871C2 (de) * 1978-05-19 1986-10-30 Philips Patentverwaltung Gmbh, 2000 Hamburg Form zur Herstellung von Glasgegenständen
KR860001491B1 (ko) * 1981-10-30 1986-09-27 코오닝 그라아스 와아크스 정밀유리제품의 성형방법
DE3322523C2 (de) * 1983-06-23 1985-05-15 Ernst Leitz Wetzlar Gmbh, 6330 Wetzlar Vorrichtung zum Ausformen von aus Glas bestehenden optischen Bauelementen hoher Oberflächengüte
JPS60127246A (ja) * 1983-12-09 1985-07-06 Matsushita Electric Ind Co Ltd 光学ガラスレンズの直接プレス成型用型
JPS60176928A (ja) * 1984-02-21 1985-09-11 Matsushita Electric Ind Co Ltd ガラスレンズのプレス成形用型
JPS60176929A (ja) * 1984-02-21 1985-09-11 Matsushita Electric Ind Co Ltd ガラスレンズのプレス成形用型
JPS60251134A (ja) * 1984-05-29 1985-12-11 Hoya Corp ガラスレンズ成形のための金型材
JPS6126528A (ja) * 1984-07-14 1986-02-05 Hoya Corp プレスレンズを製造する装置
JPS6172634A (ja) * 1984-09-17 1986-04-14 Olympus Optical Co Ltd ガラス製品成形用金型
JPS61174128A (ja) * 1985-01-28 1986-08-05 Sumitomo Electric Ind Ltd レンズ成形用型
US4685948A (en) * 1985-02-08 1987-08-11 Matsushita Electric Industrial Co., Ltd. Mold for press-molding glass optical elements and a molding method using the same
JPS61251528A (ja) * 1985-04-30 1986-11-08 Hoya Corp ガラスレンズ成形のための金型及びその製造方法
DE3608854A1 (de) * 1986-03-17 1987-09-24 Leitz Ernst Gmbh Verwendung eines oxidkeramik-werkstoffs fuer presswerkzeuge zum ausformen von bauteilen aus glas oder einer glashaltigen keramik hoher oberflaechenguete und massgenauigkeit
DE3729281A1 (de) * 1987-09-02 1989-03-16 Schott Glaswerke Verfahren zum herstellen von gepressten glasformkoerpern fuer praezisionsoptische zwecke
JPS6483529A (en) * 1987-09-28 1989-03-29 Hoya Corp Production of glass forming mold
JPH01301528A (ja) * 1988-05-30 1989-12-05 Matsushita Electric Ind Co Ltd 光学ガラス素子のプレス成形方法
JPH01302075A (ja) * 1988-05-30 1989-12-06 Matsushita Refrig Co Ltd 多室形空気調和機
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 (ja) * 1992-06-08 1998-10-27 キヤノン株式会社 光学素子成形用型、その製造方法、光学素子及びレンズ
EP0581013B1 (en) * 1992-06-25 1998-11-25 Canon Kabushiki Kaisha Mold for forming optical element and method for producing the same
JP3231165B2 (ja) * 1993-11-15 2001-11-19 キヤノン株式会社 光学素子成形用型及びその製造方法
JP4556383B2 (ja) 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 転写光学面の加工方法
DE102008011528A1 (de) 2008-02-28 2009-09-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung zur Herstellung von Gegenständen aus Glas durch Heißformen und Herstellungsverfahren
JP2011088771A (ja) * 2009-10-21 2011-05-06 Tosoh Quartz Corp 型材を用いた石英ガラス材料の成形方法
JP5390357B2 (ja) 2009-12-04 2014-01-15 パナソニック株式会社 光学レンズ用プレス成形金型、ガラス製光学レンズ、及びガラス製光学レンズの製造方法

Family Cites Families (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
GB1525395A (en) * 1974-10-23 1978-09-20 Ball Brothers Res Corp Release coating

Also Published As

Publication number Publication date
MY8000117A (en) 1980-12-31
JPS5245613A (en) 1977-04-11
AU1738576A (en) 1978-03-09
DE2639259A1 (de) 1977-03-10
HK61679A (en) 1979-09-07
FR2322835A1 (fr) 1977-04-01
GB1543954A (en) 1979-04-11

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Legal Events

Date Code Title Description
ST Notification of lapse