ZA953538B - Method and appartus for molding opthalmic lenses using vacuum injection - Google Patents

Method and appartus for molding opthalmic lenses using vacuum injection

Info

Publication number
ZA953538B
ZA953538B ZA953538A ZA953538A ZA953538B ZA 953538 B ZA953538 B ZA 953538B ZA 953538 A ZA953538 A ZA 953538A ZA 953538 A ZA953538 A ZA 953538A ZA 953538 B ZA953538 B ZA 953538B
Authority
ZA
South Africa
Prior art keywords
lens
mold cavity
appartus
molding
vacuum injection
Prior art date
Application number
ZA953538A
Other languages
English (en)
Inventor
Kai Chiang Su
Jack Carson White
Hans Ulrich Schlapfer
Original Assignee
Ciba Geigy
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 Ciba Geigy filed Critical Ciba Geigy
Publication of ZA953538B publication Critical patent/ZA953538B/xx

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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
    • B29C35/0888—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using transparant 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
    • B29C39/22—Component parts, details or accessories; Auxiliary operations
    • B29C39/24—Feeding the material into the mould
    • 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
    • B29C39/22—Component parts, details or accessories; Auxiliary operations
    • B29C39/42—Casting under special conditions, e.g. vacuum
    • 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
    • B29C45/27—Sprue channels ; Runner channels or runner nozzles
    • B29C45/28—Closure devices therefor
    • B29C45/2806—Closure devices therefor consisting of needle valve systems
    • 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
    • B29C45/34—Moulds having venting means
    • 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
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
    • B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
    • B29C2035/0827—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation using UV radiation
    • 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
    • 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
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/78—Processes of molding using vacuum
    • 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
    • Y10S425/06—Vacuum
    • 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)
  • Physics & Mathematics (AREA)
  • Toxicology (AREA)
  • Ophthalmology & Optometry (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Thermal Sciences (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Eyeglasses (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Prostheses (AREA)
ZA953538A 1994-05-04 1995-05-03 Method and appartus for molding opthalmic lenses using vacuum injection ZA953538B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/237,875 US5632936A (en) 1994-05-04 1994-05-04 Method and apparatus for molding ophthalmic lenses using vacuum injection

Publications (1)

Publication Number Publication Date
ZA953538B true ZA953538B (en) 1995-11-06

Family

ID=22895610

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA953538A ZA953538B (en) 1994-05-04 1995-05-03 Method and appartus for molding opthalmic lenses using vacuum injection

Country Status (13)

Country Link
US (1) US5632936A (de)
EP (1) EP0680819B1 (de)
JP (1) JPH07304045A (de)
AT (1) ATE200244T1 (de)
AU (1) AU1772695A (de)
CA (1) CA2148435A1 (de)
DE (1) DE69520518T2 (de)
FI (1) FI952114A7 (de)
IL (1) IL113514A0 (de)
NO (1) NO951717L (de)
NZ (1) NZ272030A (de)
TW (1) TW249776B (de)
ZA (1) ZA953538B (de)

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US5989462A (en) 1997-07-31 1999-11-23 Q2100, Inc. Method and composition for producing ultraviolent blocking lenses
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US6419873B1 (en) * 1999-03-19 2002-07-16 Q2100, Inc. Plastic lens systems, compositions, and methods
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US6462884B2 (en) 1999-07-16 2002-10-08 Technology Resource International Corporation Polymerizable composition and optical articles using the same
US6960312B2 (en) * 2000-03-30 2005-11-01 Q2100, Inc. Methods for the production of plastic lenses
US6716375B1 (en) * 2000-03-30 2004-04-06 Q2100, Inc. Apparatus and method for heating a polymerizable composition
US6723260B1 (en) 2000-03-30 2004-04-20 Q2100, Inc. Method for marking a plastic eyeglass lens using a mold assembly holder
KR101031528B1 (ko) * 2000-10-12 2011-04-27 더 보드 오브 리전츠 오브 더 유니버시티 오브 텍사스 시스템 실온 저압 마이크로- 및 나노- 임프린트 리소그래피용템플릿
US7124995B2 (en) 2001-02-20 2006-10-24 Q2100, Inc. Holder for mold assemblies and molds
US7037449B2 (en) * 2001-02-20 2006-05-02 Q2100, Inc. Method for automatically shutting down a lens forming apparatus
US7052262B2 (en) * 2001-02-20 2006-05-30 Q2100, Inc. System for preparing eyeglasses lens with filling station
US7045081B2 (en) * 2001-02-20 2006-05-16 Q2100, Inc. Method of monitoring components of a lens forming apparatus
US7139636B2 (en) 2001-02-20 2006-11-21 Q2100, Inc. System for preparing eyeglass lenses with bar code reader
US7011773B2 (en) * 2001-02-20 2006-03-14 Q2100, Inc. Graphical interface to display mold assembly position in a lens forming apparatus
US7060208B2 (en) * 2001-02-20 2006-06-13 Q2100, Inc. Method of preparing an eyeglass lens with a controller
US7025910B2 (en) * 2001-02-20 2006-04-11 Q2100, Inc Method of entering prescription information
US7051290B2 (en) 2001-02-20 2006-05-23 Q2100, Inc. Graphical interface for receiving eyeglass prescription information
US7083404B2 (en) 2001-02-20 2006-08-01 Q2100, Inc. System for preparing an eyeglass lens using a mold holder
US6962669B2 (en) * 2001-02-20 2005-11-08 Q2100, Inc. Computerized controller for an eyeglass lens curing apparatus
US6840752B2 (en) 2001-02-20 2005-01-11 Q2100, Inc. Apparatus for preparing multiple eyeglass lenses
US6899831B1 (en) 2001-02-20 2005-05-31 Q2100, Inc. Method of preparing an eyeglass lens by delayed entry of mold assemblies into a curing apparatus
US7074352B2 (en) * 2001-02-20 2006-07-11 Q2100, Inc. Graphical interface for monitoring usage of components of a lens forming apparatus
US6790024B2 (en) * 2001-02-20 2004-09-14 Q2100, Inc. Apparatus for preparing an eyeglass lens having multiple conveyor systems
US20030044478A1 (en) * 2001-08-15 2003-03-06 Epstein Howard A. Burnet extract
US7368072B2 (en) * 2001-12-10 2008-05-06 Ppg Industries Ohio, Inc. Photochromic contact lenses and methods of manufacturing
US7044429B1 (en) 2002-03-15 2006-05-16 Q2100, Inc. Methods and systems for coating eyeglass lens molds
US7217112B2 (en) * 2003-05-27 2007-05-15 Faezeh Mona Sarfarazi Mold for intraocular lens
TWI232156B (en) * 2003-06-25 2005-05-11 Coretronic Corp Method for forming microstructure optical elements
JP2005138416A (ja) * 2003-11-06 2005-06-02 Kuraray Medical Inc コンタクトレンズ用の成形型
KR100835579B1 (ko) * 2005-03-03 2008-06-09 스미도모쥬기가이고교 가부시키가이샤 광학부품의 수지성형방법, 금형장치, 및 게이트 부시
US20090202714A1 (en) * 2005-11-21 2009-08-13 Mandzy Natalia S Methods of Making and using Metal Oxide Nanoparticles
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US9221211B2 (en) * 2011-11-28 2015-12-29 Greg Klein Heat/vacuum molding system for footwear
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Also Published As

Publication number Publication date
FI952114A0 (fi) 1995-05-03
AU1772695A (en) 1995-11-09
FI952114L (fi) 1995-11-05
IL113514A0 (en) 1995-07-31
US5632936A (en) 1997-05-27
EP0680819B1 (de) 2001-04-04
DE69520518D1 (de) 2001-05-10
NZ272030A (en) 1996-04-26
JPH07304045A (ja) 1995-11-21
ATE200244T1 (de) 2001-04-15
FI952114A7 (fi) 1995-11-05
DE69520518T2 (de) 2001-08-09
CA2148435A1 (en) 1995-11-05
EP0680819A1 (de) 1995-11-08
TW249776B (en) 1995-06-21
NO951717L (no) 1995-11-06
NO951717D0 (no) 1995-05-03

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