NL8802742A - Werkwijze en inrichting voor het voortbrengen van gevormde voorwerpen. - Google Patents

Werkwijze en inrichting voor het voortbrengen van gevormde voorwerpen. Download PDF

Info

Publication number
NL8802742A
NL8802742A NL8802742A NL8802742A NL8802742A NL 8802742 A NL8802742 A NL 8802742A NL 8802742 A NL8802742 A NL 8802742A NL 8802742 A NL8802742 A NL 8802742A NL 8802742 A NL8802742 A NL 8802742A
Authority
NL
Netherlands
Prior art keywords
mold
lens
meniscus
thermosetting
molding
Prior art date
Application number
NL8802742A
Other languages
English (en)
Dutch (nl)
Original Assignee
Ocutech
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 Ocutech filed Critical Ocutech
Publication of NL8802742A publication Critical patent/NL8802742A/nl

Links

Classifications

    • 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
    • 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
    • B29D11/0048—Moulds for lenses
    • B29D11/00519—Reusable moulds
    • 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
    • B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B29C39/02—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles
    • 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
    • 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
    • B29D11/00038—Production of contact lenses
    • B29D11/00057—Production of contact lenses characterised by the shape or surface condition of the edge, e.g. flashless, burrless, smooth
    • 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
    • B29D11/02—Artificial eyes from organic plastic material
    • B29D11/023—Implants for natural eyes
    • 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
    • B29K2083/00—Use of polymers having silicon, with or without sulfur, nitrogen, oxygen, or carbon only, in the main chain, as moulding material
    • B29K2083/005—LSR, i.e. liquid silicone rubbers, or derivatives thereof
    • 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)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Prostheses (AREA)
  • Eyeglasses (AREA)
  • Moulding By Coating Moulds (AREA)
  • Materials For Medical Uses (AREA)
NL8802742A 1987-11-09 1988-11-08 Werkwijze en inrichting voor het voortbrengen van gevormde voorwerpen. NL8802742A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/118,736 US4840754A (en) 1987-11-09 1987-11-09 Method of molding articles
US11873687 1987-11-09

Publications (1)

Publication Number Publication Date
NL8802742A true NL8802742A (nl) 1989-06-01

Family

ID=22380426

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8802742A NL8802742A (nl) 1987-11-09 1988-11-08 Werkwijze en inrichting voor het voortbrengen van gevormde voorwerpen.

Country Status (14)

Country Link
US (1) US4840754A (fr)
JP (1) JPH02501A (fr)
KR (1) KR890007860A (fr)
AU (1) AU2430088A (fr)
BE (1) BE1001759A5 (fr)
CA (1) CA1322091C (fr)
DE (1) DE3836744A1 (fr)
FR (1) FR2622835B1 (fr)
GB (1) GB2212095A (fr)
IN (1) IN172162B (fr)
IT (1) IT1229824B (fr)
LU (1) LU87374A1 (fr)
NL (1) NL8802742A (fr)
SE (1) SE8803920A0 (fr)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5340512A (en) * 1993-01-29 1994-08-23 Thomas & Betts Corporation Polymer concrete electrical insulator and method and apparatus for making
US6881358B1 (en) 1999-07-06 2005-04-19 Mems Optical Inc. Mold apparatus and method
US7628485B2 (en) * 2000-03-31 2009-12-08 Coopervision International Holding Company, Lp Contact lens having a uniform horizontal thickness profile
US6467903B1 (en) * 2000-03-31 2002-10-22 Ocular Sciences, Inc. Contact lens having a uniform horizontal thickness profile
GR1004506B (el) * 2000-04-21 2004-03-26 Συσκευη για τη μορφοποιηση θερμοαντιστρεπτης υδρογελης στην επιφανεια του κερατοειδους
EP1426158B1 (fr) * 2001-07-25 2006-10-25 Asahi Lite Optical Co., Ltd. Procede pour la fabrication d'une lentille en resine semi-finie
US6733526B2 (en) 2002-04-25 2004-05-11 Advanced Medical Optics, Inc. Method of improving adherence and centering of intra-corneal implants on corneal bed
EP1719612A1 (fr) * 2005-05-03 2006-11-08 Vision Dynamics Holding B.V. Procédé et dispositif pour la fabrication d'objets optiques
KR100838053B1 (ko) * 2005-10-25 2008-06-12 중앙대학교 산학협력단 시토크롬 피450 85 에이 2 및 이의 이용
KR100832740B1 (ko) * 2007-01-17 2008-05-27 한국과학기술원 분지쇄 아미노산 생성능이 개선된 변이 미생물 및 이를이용한 분지쇄 아미노산의 제조방법
KR100914514B1 (ko) * 2007-10-09 2009-09-02 전자부품연구원 비디오 코딩 장치 및 방법
US8807169B2 (en) 2009-02-12 2014-08-19 Picolife Technologies, Llc Flow control system for a micropump
US8580163B2 (en) * 2009-10-16 2013-11-12 Novartis Ag Process for manufacturing an ophthalmic lens
JP5514630B2 (ja) * 2010-05-24 2014-06-04 富士フイルム株式会社 レンズの製造装置及びレンズの製造方法、レンズ、撮像装置
US8790307B2 (en) 2011-12-01 2014-07-29 Picolife Technologies, Llc Drug delivery device and methods therefor
US8771229B2 (en) 2011-12-01 2014-07-08 Picolife Technologies, Llc Cartridge system for delivery of medicament
US10130759B2 (en) 2012-03-09 2018-11-20 Picolife Technologies, Llc Multi-ported drug delivery device having multi-reservoir cartridge system
US9883834B2 (en) 2012-04-16 2018-02-06 Farid Amirouche Medication delivery device with multi-reservoir cartridge system and related methods of use
US10245420B2 (en) 2012-06-26 2019-04-02 PicoLife Technologies Medicament distribution systems and related methods of use
CN106346667B (zh) * 2016-08-25 2020-12-29 天津天堰科技股份有限公司 一种制作模拟眼球的模具、方法和模拟眼压调节装置
US10688702B1 (en) * 2018-05-11 2020-06-23 Facebook Technologies, Llc Optical assembly fabricated with liquid optical material

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2304664A (en) * 1940-10-29 1942-12-08 Univis Lens Co Lens molding press
US2728106A (en) * 1950-09-08 1955-12-27 American Optical Corp Means for producing optical elements
US2745138A (en) * 1953-05-26 1956-05-15 Optical Plastics Corp Apparatus for the manufacture of plastic lenses from monomeric materials
US2890486A (en) * 1955-08-29 1959-06-16 American Optical Corp Mold for producing lens of any shape from a polymerizable material
FR1193422A (fr) * 1957-10-05 1959-11-03 Nouveau procédé de moulage de matières polymérisables pour applications optiques et dispositif pour sa mise en oeuvre
US3278654A (en) * 1958-04-25 1966-10-11 Lentilles Ophtalmiques Special Apparatus and method of producing optical and ophthalmic lenses from thermosetting resin materials
GB846669A (en) * 1959-03-11 1960-08-31 American Optical Corp Improvements in devices and methods of forming optical elements
US3093447A (en) * 1960-09-15 1963-06-11 American Optical Corp Method of casting optical elements
GB1432333A (en) * 1972-03-30 1976-04-14 Lotus Car Moulding cooling fan operating circuits for road vehicles
US3902693A (en) * 1973-03-12 1975-09-02 American Optical Corp Mold for casting lenses
US4166088A (en) * 1977-05-25 1979-08-28 Neefe Charles W Method of making high quality plastic lenses
US4209289A (en) * 1979-05-14 1980-06-24 American Optical Corporation Contact lens mold
EP0094153A2 (fr) * 1982-05-10 1983-11-16 Dow Corning Corporation Dispositifs optiques obtenus à partir de résine de silicone mouillable
DE3532928A1 (de) * 1985-09-14 1987-04-02 Fromberg Gunter Kuenstliche linse zur implantation im auge
EP0226123A3 (fr) * 1985-12-03 1988-08-10 Matsushita Electric Industrial Co., Ltd. Procédé de fabrication d'un article plastique transparent
US4913857A (en) * 1987-04-03 1990-04-03 Kei Mori Method for molding a transparent capsule

Also Published As

Publication number Publication date
KR890007860A (ko) 1989-07-06
GB2212095A (en) 1989-07-19
LU87374A1 (fr) 1989-08-30
SE8803920A (fr) 1988-10-31
FR2622835B1 (fr) 1991-06-28
IT1229824B (it) 1991-09-13
IT8822431A0 (it) 1988-10-26
DE3836744A1 (de) 1989-05-18
AU2430088A (en) 1989-05-11
SE8803920D0 (sv) 1988-10-31
IN172162B (fr) 1993-04-24
JPH02501A (ja) 1990-01-05
FR2622835A1 (fr) 1989-05-12
BE1001759A5 (fr) 1990-02-27
GB8825248D0 (en) 1988-11-30
SE8803920A0 (sv) 1989-05-10
CA1322091C (fr) 1993-09-14
US4840754A (en) 1989-06-20

Similar Documents

Publication Publication Date Title
NL8802742A (nl) Werkwijze en inrichting voor het voortbrengen van gevormde voorwerpen.
US6315929B1 (en) Mold assembly for forming ophthalmic lens, method of producing the same, and method of producing ophthalmic lens using the mold assembly
US4208365A (en) Method and apparatus for molding toric contact lenses
AU766482B2 (en) Molds for use in contact lens production
JP3309856B2 (ja) コンタクトレンズの製造方法
SU674658A3 (ru) Форма дл изготовлени контактных линз
US5762836A (en) Method for making an intraocular implant with a soft lens
RU2484964C2 (ru) Формы для применения при производстве контактных линз
JP3153251B2 (ja) プラスチック製検眼レンズおよびその射出成形品並びにその成形用型装置とその製造方法
EP0328246A2 (fr) Moules pour la fabrication d'inplants intra-oculaires
WO1982004221A1 (fr) Moules et procede de production de verres de contact tronques
JPH0620761B2 (ja) コンタクトレンズの成形
CN1726124A (zh) 利用可重复使用模具成型眼透镜的方法
WO2001074554A2 (fr) Procede et moule pour le reglage de la polymerisation d'un dispositif optique
US3475521A (en) Method of making plastic contact lenses
CZ282355B6 (cs) Implantovatelná oftalmická čočka, způsob její výroby a forma k provádění tohoto způsobu
US4469646A (en) Method of molding plastic contact lenses
CA1176414A (fr) Verres de contact moules toriques
US4191717A (en) Casting process for plastic lenses
EP0825013B1 (fr) Moule d'injection multiple avec surface courbée fabriqué dans un pièce de polymère
AU2017334221B2 (en) A method and intermediate product for manufacturing contact lenses
JP4630494B2 (ja) 眼用レンズの製造方法
JP4666688B2 (ja) 眼用レンズの製造方法
JPS62136619A (ja) 既製の後部表面形状を有するコンタクトレンズブランクの製造方法及び装置
JP2002166436A (ja) コンタクトレンズ製造用の樹脂型およびそれを用いたコンタクトレンズの製造方法

Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
BV The patent application has lapsed
BV The patent application has lapsed