FR2530181A1 - Procede et dispositif pour le moulage d'un element optique en matiere synthetique - Google Patents

Procede et dispositif pour le moulage d'un element optique en matiere synthetique Download PDF

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Publication number
FR2530181A1
FR2530181A1 FR8212478A FR8212478A FR2530181A1 FR 2530181 A1 FR2530181 A1 FR 2530181A1 FR 8212478 A FR8212478 A FR 8212478A FR 8212478 A FR8212478 A FR 8212478A FR 2530181 A1 FR2530181 A1 FR 2530181A1
Authority
FR
France
Prior art keywords
molding
cavity
axis
communication
chamber
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
FR8212478A
Other languages
English (en)
French (fr)
Other versions
FR2530181B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Jean Boudet
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.)
EssilorLuxottica SA
Original Assignee
Essilor International Compagnie Generale dOptique SA
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 Essilor International Compagnie Generale dOptique SA filed Critical Essilor International Compagnie Generale dOptique SA
Priority to FR8212478A priority Critical patent/FR2530181A1/fr
Priority to JP58129281A priority patent/JPS5926221A/ja
Priority to US06/514,006 priority patent/US4569807A/en
Publication of FR2530181A1 publication Critical patent/FR2530181A1/fr
Application granted granted Critical
Publication of FR2530181B1 publication Critical patent/FR2530181B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/56—Means for plasticising or homogenising the moulding material or forcing it into the mould using mould parts movable during or after injection, e.g. injection-compression moulding
    • B29C45/561—Injection-compression moulding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00009—Production of simple or compound lenses
    • B29D11/00413—Production of simple or compound lenses made by moulding between two mould parts which are not in direct contact with one another, e.g. comprising a seal between or on the edges
    • 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
    • B29C2043/3272—Component parts, details or accessories; Auxiliary operations driving means
    • B29C2043/3283—Component parts, details or accessories; Auxiliary operations driving means for moving moulds or mould parts
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/56—Means for plasticising or homogenising the moulding material or forcing it into the mould using mould parts movable during or after injection, e.g. injection-compression moulding
    • B29C45/561—Injection-compression moulding
    • B29C2045/5625—Closing of the feed opening before or during compression
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/56—Means for plasticising or homogenising the moulding material or forcing it into the mould using mould parts movable during or after injection, e.g. injection-compression moulding
    • B29C45/561—Injection-compression moulding
    • B29C2045/5635—Mould integrated compression drive means
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/20—Opening, closing or clamping
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/2669—Moulds with means for removing excess material, e.g. with overflow cavities
    • 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
    • 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
    • B29L2011/0058—Mirrors
    • 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)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
FR8212478A 1982-07-16 1982-07-16 Procede et dispositif pour le moulage d'un element optique en matiere synthetique Granted FR2530181A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR8212478A FR2530181A1 (fr) 1982-07-16 1982-07-16 Procede et dispositif pour le moulage d'un element optique en matiere synthetique
JP58129281A JPS5926221A (ja) 1982-07-16 1983-07-15 合成樹脂材料から光学要素を成形する方法及び装置
US06/514,006 US4569807A (en) 1982-07-16 1983-07-15 Method and apparatus for molding optical components

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8212478A FR2530181A1 (fr) 1982-07-16 1982-07-16 Procede et dispositif pour le moulage d'un element optique en matiere synthetique

Publications (2)

Publication Number Publication Date
FR2530181A1 true FR2530181A1 (fr) 1984-01-20
FR2530181B1 FR2530181B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1985-03-22

Family

ID=9276036

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8212478A Granted FR2530181A1 (fr) 1982-07-16 1982-07-16 Procede et dispositif pour le moulage d'un element optique en matiere synthetique

Country Status (3)

Country Link
US (1) US4569807A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS5926221A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2530181A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0226848A3 (de) * 1985-12-07 1988-08-31 Otto-Christian Dr. Geyer Verfahren und Vorrichtung zur Herstellung von Kontaktlinsen-Rohlingen mit fertig ausgebildeten Rückflächen-Geometrien
FR2628031A1 (fr) * 1988-03-02 1989-09-08 Pilkington Visioncare Holdings Procedes et appareils de fabrication d'objets coules ou moules, notamment des verres correcteurs
WO2001043953A1 (en) * 1999-12-15 2001-06-21 Bausch & Lomb Incorporated Method of molding lenses
WO2003051616A3 (fr) * 2001-12-17 2004-06-03 Essilor Int Moule et procede de matricage a chaud d'une lentille optique en matiere thermoplastique

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4847020A (en) * 1984-05-03 1989-07-11 Iolab Corporation Process of molding an optic for an intraocular lens
US4664854A (en) * 1986-01-06 1987-05-12 Neolens, Inc. Injection molding equipment and method
US4828769A (en) * 1986-05-05 1989-05-09 Galic/Maus Ventures Method for injection molding articles
US4836960A (en) * 1987-10-05 1989-06-06 Sola Usa, Inc. Fabrication of thermoplastic optical components by injection/compression molding
US4839110A (en) * 1988-03-02 1989-06-13 Sola Usa, Inc. Method of molding using gated dies
US5213821A (en) * 1988-11-05 1993-05-25 Werzalit Ag & Co. Apparatus for manufacturing an elongate cover profile
US4883528A (en) * 1989-03-08 1989-11-28 Corning Incorporated Apparatus for molding glass optical elements
US4993936A (en) * 1989-04-17 1991-02-19 Siepser Steven B Apparatus for compressing, deforming and dehydrating expansile, hydrogel intraocular lens
TW258686B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1994-03-07 1995-10-01 Ciba Geigy
US5928682A (en) * 1995-12-21 1999-07-27 Johnson & Johnson Vision Products, Inc. Annular gated mold for the injection molding of contact lenses
CN1043782C (zh) * 1996-03-21 1999-06-23 中国石油化工总公司 提高低品质汽油辛烷值的催化转化方法
WO1998036898A1 (en) * 1997-02-20 1998-08-27 Technology Resource International Corporation Gasket for lens making
JPH10315252A (ja) * 1997-05-20 1998-12-02 Menicon Co Ltd レンズブランク成形用型及びコンタクトレンズの製造方法
US6103148A (en) * 1998-02-19 2000-08-15 Technology Resources International Corporation Method for curing a lens-forming fluid
EP1106326B1 (en) * 1998-04-22 2005-02-23 Teijin Chemicals, Ltd. Injection compression molding method for optically formed product
US6162376A (en) 1999-02-24 2000-12-19 Mead Opthalmics Compression molding of optical lenses
USD434050S (en) * 1999-12-06 2000-11-21 Technology Resource International Corporation Gasket for lens making
EP1226924B1 (en) * 2001-01-24 2006-02-15 Novartis AG Lens Manufacturing Process
WO2005030465A1 (ja) * 2003-09-25 2005-04-07 Washi Kosan Co., Ltd. プラスチックレンズの製造方法とそのレンズ
ITTO20040701A1 (it) * 2004-10-11 2005-01-11 Incos Spa Procedimento per la produzione di lastre di materiale plastico con parti sovrastampate mediante inietto-compressione
ITTO20040696A1 (it) * 2004-10-11 2005-01-11 Incos Spa Apparecchiatura e metodo per lo stampaggio mediante iniezione-compressione di articoli di materia plastica a due componenti
CN100453294C (zh) * 2005-03-04 2009-01-21 鸿富锦精密工业（深圳）有限公司 模具及其加工方法
JP2009096169A (ja) * 2007-09-28 2009-05-07 Fujifilm Corp 加圧成形装置及び加圧成形方法ならびに成形品
CN101544034A (zh) * 2008-03-28 2009-09-30 鸿富锦精密工业（深圳）有限公司 模具定位结构
EP3241060B1 (en) 2014-12-30 2019-11-06 Essilor International Uv curable coating compositions for improved abrasion resistance
EP3943282B1 (en) * 2020-07-24 2025-09-10 Essilor International Deflashing machine and method of deflashing a lens-mold-assembly

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3005234A (en) * 1959-07-06 1961-10-24 Danker & Wohlk Inc Apparatus for molding optical lenses
FR2061375A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1969-09-15 1971-06-18 Ici Ltd
FR2480667A1 (fr) * 1980-04-22 1981-10-23 Renault Procede de moulage de materiaux composites renforces

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2843880A (en) * 1956-10-15 1958-07-22 Goodrich Co B F Apparatus for transfer molding
US4008031A (en) * 1975-08-22 1977-02-15 Weber Hermann P Apparatus for injection molding lenses
FR2380117A1 (fr) * 1977-02-11 1978-09-08 Weber Hermann Procede et dispositif pour le moulage par injection de lentilles ou verres
JPS556054A (en) * 1978-06-30 1980-01-17 Nippon Kokan Kk <Nkk> Intermediate wall assembly method for low-temperature double-shell tank
US4364878A (en) * 1978-08-10 1982-12-21 Omnitech Inc. Method for molding ophthalmic lenses

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3005234A (en) * 1959-07-06 1961-10-24 Danker & Wohlk Inc Apparatus for molding optical lenses
FR2061375A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1969-09-15 1971-06-18 Ici Ltd
FR2480667A1 (fr) * 1980-04-22 1981-10-23 Renault Procede de moulage de materiaux composites renforces

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0226848A3 (de) * 1985-12-07 1988-08-31 Otto-Christian Dr. Geyer Verfahren und Vorrichtung zur Herstellung von Kontaktlinsen-Rohlingen mit fertig ausgebildeten Rückflächen-Geometrien
FR2628031A1 (fr) * 1988-03-02 1989-09-08 Pilkington Visioncare Holdings Procedes et appareils de fabrication d'objets coules ou moules, notamment des verres correcteurs
WO2001043953A1 (en) * 1999-12-15 2001-06-21 Bausch & Lomb Incorporated Method of molding lenses
WO2003051616A3 (fr) * 2001-12-17 2004-06-03 Essilor Int Moule et procede de matricage a chaud d'une lentille optique en matiere thermoplastique

Also Published As

Publication number Publication date
FR2530181B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1985-03-22
JPS5926221A (ja) 1984-02-10
US4569807A (en) 1986-02-11
JPH0324328B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-04-03

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