DE68913860D1 - Pressform und Formgebungsverfahren zum Herstellen von optischen Teilen. - Google Patents

Pressform und Formgebungsverfahren zum Herstellen von optischen Teilen.

Info

Publication number
DE68913860D1
DE68913860D1 DE89308102T DE68913860T DE68913860D1 DE 68913860 D1 DE68913860 D1 DE 68913860D1 DE 89308102 T DE89308102 T DE 89308102T DE 68913860 T DE68913860 T DE 68913860T DE 68913860 D1 DE68913860 D1 DE 68913860D1
Authority
DE
Germany
Prior art keywords
production
press mold
shaping process
optical parts
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
DE89308102T
Other languages
English (en)
Other versions
DE68913860T2 (de
Inventor
Takayuki Kimoto
Masaaki Sunohara
Takashi Inoue
Shoji Nakamura
Daijirou Yonetani
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.)
Panasonic Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 claimed from JP20763688A external-priority patent/JPH0255235A/ja
Priority claimed from JP63263229A external-priority patent/JPH0624992B2/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE68913860D1 publication Critical patent/DE68913860D1/de
Application granted granted Critical
Publication of DE68913860T2 publication Critical patent/DE68913860T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C03B11/12—Cooling, heating, or insulating the plunger, the mould, or the glass-pressing machine; cooling or heating of the glass in the mould
    • C03B11/122—Heating
    • 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
    • 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
    • C03B11/12—Cooling, heating, or insulating the plunger, the mould, or the glass-pressing machine; cooling or heating of the glass in the mould
    • C03B11/125—Cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
    • B29C43/361—Moulds for making articles of definite length, i.e. discrete articles with pressing members independently movable of the parts for opening or closing the mould, e.g. movable pistons
    • B29C2043/3615—Forming elements, e.g. mandrels or rams or stampers or pistons or plungers or punching devices
    • B29C2043/3618—Forming elements, e.g. mandrels or rams or stampers or pistons or plungers or punching devices plurality of counteracting elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/021—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles characterised by the shape of the surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
    • B29C43/3642—Bags, bleeder sheets or cauls for isostatic pressing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2909/00—Use of inorganic materials not provided for in groups B29K2803/00 - B29K2807/00, as mould material
    • B29K2909/02—Ceramics
    • B29K2909/04—Carbides; Nitrides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2011/00—Optical elements, e.g. lenses, prisms
    • B29L2011/0016—Lenses
    • 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
    • C03B2215/03—Press-mould materials defined by material properties or parameters, e.g. relative CTE of mould parts
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2215/00—Press-moulding glass
    • C03B2215/40—Product characteristics
    • C03B2215/46—Lenses, e.g. bi-convex
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2215/00—Press-moulding glass
    • C03B2215/40—Product characteristics
    • C03B2215/46—Lenses, e.g. bi-convex
    • C03B2215/47—Bi-concave
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2215/00—Press-moulding glass
    • C03B2215/72—Barrel presses or equivalent, e.g. of the ring mould type
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B2215/00—Press-moulding glass
    • C03B2215/86—Linear series of multiple press moulds
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/808—Lens mold

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
DE68913860T 1988-08-22 1989-08-09 Pressform und Formgebungsverfahren zum Herstellen von optischen Teilen. Expired - Fee Related DE68913860T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP20763688A JPH0255235A (ja) 1988-08-22 1988-08-22 ガラスレンズの成形型及び成形方法
JP63263229A JPH0624992B2 (ja) 1988-10-19 1988-10-19 プレスレンズの成形金型およびその成形方法

Publications (2)

Publication Number Publication Date
DE68913860D1 true DE68913860D1 (de) 1994-04-21
DE68913860T2 DE68913860T2 (de) 1994-08-04

Family

ID=26516371

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68913860T Expired - Fee Related DE68913860T2 (de) 1988-08-22 1989-08-09 Pressform und Formgebungsverfahren zum Herstellen von optischen Teilen.

Country Status (3)

Country Link
US (1) US5015280A (de)
EP (1) EP0356068B1 (de)
DE (1) DE68913860T2 (de)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5252056A (en) * 1990-03-16 1993-10-12 Ciba-Geigy Corporation Contact lens casting mould
JPH0431328A (ja) * 1990-05-25 1992-02-03 Canon Inc 光学素子成形用型構造及びプレス成形方法
US5160361A (en) * 1990-06-13 1992-11-03 Matsushita Electric Industrial Co., Ltd. Method of manufacturing optical element
JPH04124041A (ja) * 1990-09-12 1992-04-24 Toshiba Mach Co Ltd 高精度ガラスレンズの成形方法
US5188652A (en) * 1990-10-26 1993-02-23 Matsushita Electric Industrial Co., Ltd. Machine for molding optical element
US5201927A (en) * 1990-10-26 1993-04-13 Matsushita Electric Industrial Co., Ltd. Method of producing the optical element
US5160749A (en) * 1990-10-30 1992-11-03 Minnesota Mining And Manufacturing Company Three piece mold assembly for making an ocular device
US5211969A (en) * 1990-11-02 1993-05-18 Canon Kabushiki Kaisha Mold for press molding of optical element
US5368790A (en) * 1992-08-19 1994-11-29 Greshes; Martin Method for making lenses
US5759457A (en) * 1995-02-24 1998-06-02 Matsushita Electric Industrial Co., Ltd. Method for manufacturing an optical element
JP3759190B2 (ja) * 1995-03-22 2006-03-22 松下電器産業株式会社 光学素子の成形方法
US5820895A (en) * 1996-06-04 1998-10-13 Johnson & Johnson Vision Products, Inc. Conductive probe for heating contact lens mold assemblies during demolding
JPH10101347A (ja) * 1996-09-24 1998-04-21 Fuji Photo Optical Co Ltd 光学部品の射出成形装置及び射出成形方法
DE69701503T2 (de) * 1996-12-26 2000-11-09 Hoya Corp Verfahren zum Herstellen eines Glasproduktes durch Pressformen
US5958469A (en) * 1997-05-14 1999-09-28 Eastman Kodak Company Method for fabricating tools for molding diffractive surfaces on optical lenses
US6368522B1 (en) 2000-01-03 2002-04-09 Johnson & Johnson Vision Care, Inc. Mold for forming a contact lens and method of preventing formation of small strands of contact lens material during contact lens manufacture
US6663801B2 (en) * 2001-04-06 2003-12-16 Johnson & Johnson Vision Care, Inc. Silicon carbide IR-emitter heating device and method for demolding lenses
JP2004279879A (ja) * 2003-03-18 2004-10-07 Alps Electric Co Ltd ホルダ付光学素子
TWI248420B (en) * 2003-04-18 2006-02-01 Hon Hai Prec Ind Co Ltd Mold and method for molding optical glass products
TWI299325B (en) * 2003-04-18 2008-08-01 Hon Hai Prec Ind Co Ltd Mold and method for making the mold
TWI262176B (en) * 2003-04-25 2006-09-21 Hon Hai Prec Ind Co Ltd Mold for molding optical glass products and method for making the mold
DE10360259A1 (de) * 2003-12-20 2005-07-28 Schott Ag Verfahren und Vorrichtung zum Blankpressen von Glas, hierfür eingesetzte Presse und eingesetzter Formblock mit Oberform und Unterform
US7275397B2 (en) * 2004-05-21 2007-10-02 Corning Incorporated Method of molding a silica article
DE102004038793A1 (de) * 2004-08-09 2006-02-23 Docter Optics Gmbh Verfahren und Vorrichtung zur Herstellung von Präzisionslinsen
TW200714559A (en) * 2005-10-13 2007-04-16 Asia Optical Co Inc The forming apparatus for glass molding and the multi-layered sleeve thereof
CN1951843B (zh) * 2005-10-21 2011-09-28 鸿富锦精密工业（深圳）有限公司 光学元件成型装置
JP2007191328A (ja) * 2006-01-17 2007-08-02 Fujinon Corp 光学素子成形装置
JP5642458B2 (ja) 2010-09-01 2014-12-17 オリンパス株式会社 成形型セット、及び、光学素子の製造方法
JP5934801B2 (ja) 2012-09-28 2016-06-15 東芝機械株式会社 成形装置
WO2014093141A1 (en) 2012-12-14 2014-06-19 3M Innovative Properties Company Method of making packaged viscoelastic compositions by polymerizing ethylenically-unsaturated materials using ionizing radiation
EP2931757B1 (de) 2012-12-14 2020-04-01 3M Innovative Properties Company Verfahren zur polymerisation ethylenisch ungesättigten materialien mittels ionisierender strahlung
KR20150000611A (ko) * 2013-06-25 2015-01-05 삼성디스플레이 주식회사 입체 유리의 제조 장치 및 제조 방법
TWI529059B (zh) * 2013-11-29 2016-04-11 Taiwan Green Point Entpr Co Injection molding machine and the use of the tablet press detection system and detection methods
JP6964050B2 (ja) * 2018-07-20 2021-11-10 オリンパス株式会社 光学素子の製造方法
CN115259635A (zh) * 2022-07-01 2022-11-01 天津大学 一种玻璃透镜模压成形方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2059767A (en) * 1934-10-26 1936-11-03 Bausch & Lomb Manufacture of ophthalmic lenses
GB1429343A (en) * 1973-03-05 1976-03-24 Pilkington Brothers Ltd Shaping of glass to a desired form
US3887350A (en) * 1974-02-11 1975-06-03 Owens Illinois Inc Fluid cooling of glass molds
JPS56378A (en) * 1979-06-15 1981-01-06 Teijin Ltd Production of suede like raised fabric
US4481023A (en) * 1981-10-30 1984-11-06 Corning Glass Works Process to mold precision glass articles
JPS60118639A (ja) * 1983-11-29 1985-06-26 Hoya Corp プレスレンズの製造方法
US4629489A (en) * 1984-07-09 1986-12-16 Hoya Corporation Method of manufacturing pressed lenses
JPS6126528A (ja) * 1984-07-14 1986-02-05 Hoya Corp プレスレンズを製造する装置
JPS6153126A (ja) * 1984-08-20 1986-03-17 Hoya Corp 高精度プレスレンズの成形方法
JPS6345137A (ja) * 1986-08-13 1988-02-26 Olympus Optical Co Ltd 光学レンズの製造装置
JPS63170229A (ja) * 1987-01-08 1988-07-14 Toshiba Mach Co Ltd ガラスレンズのプレス成形装置

Also Published As

Publication number Publication date
US5015280A (en) 1991-05-14
EP0356068A1 (de) 1990-02-28
DE68913860T2 (de) 1994-08-04
EP0356068B1 (de) 1994-03-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8327 Change in the person/name/address of the patent owner

Owner name: PANASONIC CORP., KADOMA, OSAKA, JP

8339 Ceased/non-payment of the annual fee