ATE155065T1 - Verfahren zum entfernen von überflüssigem grundstoff beim herstellen einer linse - Google Patents

Verfahren zum entfernen von überflüssigem grundstoff beim herstellen einer linse

Info

Publication number
ATE155065T1
ATE155065T1 AT93925062T AT93925062T ATE155065T1 AT E155065 T1 ATE155065 T1 AT E155065T1 AT 93925062 T AT93925062 T AT 93925062T AT 93925062 T AT93925062 T AT 93925062T AT E155065 T1 ATE155065 T1 AT E155065T1
Authority
AT
Austria
Prior art keywords
lens
cavity
removal
during making
base during
Prior art date
Application number
AT93925062T
Other languages
English (en)
Inventor
Paul J Soye
Samuel Loshaek
Original Assignee
Jessen Wesley Corp
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 Jessen Wesley Corp filed Critical Jessen Wesley Corp
Application granted granted Critical
Publication of ATE155065T1 publication Critical patent/ATE155065T1/de

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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/10—Moulds or cores; Details thereof or accessories therefor with incorporated venting 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
    • 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
    • B29C33/0055—Moulds or cores; Details thereof or accessories therefor with incorporated overflow cavities
    • 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
    • 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
    • B29C43/38—Moulds for making articles of definite length, i.e. discrete articles with means to avoid flashes
    • 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
    • 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
    • Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/808—Lens mold
    • 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
    • Y10S425/812—Venting

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Eyeglasses (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
AT93925062T 1992-11-02 1993-11-01 Verfahren zum entfernen von überflüssigem grundstoff beim herstellen einer linse ATE155065T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/970,357 US5316700A (en) 1992-11-02 1992-11-02 Method and apparatus for removing excess lens forming material

Publications (1)

Publication Number Publication Date
ATE155065T1 true ATE155065T1 (de) 1997-07-15

Family

ID=25516826

Family Applications (1)

Application Number Title Priority Date Filing Date
AT93925062T ATE155065T1 (de) 1992-11-02 1993-11-01 Verfahren zum entfernen von überflüssigem grundstoff beim herstellen einer linse

Country Status (14)

Country Link
US (1) US5316700A (de)
EP (1) EP0670766B1 (de)
JP (1) JP3284224B2 (de)
KR (1) KR100316573B1 (de)
AT (1) ATE155065T1 (de)
AU (1) AU680637B2 (de)
CA (1) CA2148241C (de)
CZ (1) CZ109895A3 (de)
DE (1) DE69312083T2 (de)
ES (1) ES2104190T3 (de)
HU (1) HUT73505A (de)
NZ (1) NZ257754A (de)
SG (1) SG49174A1 (de)
WO (1) WO1994009960A1 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5524419A (en) * 1995-02-02 1996-06-11 Bausch & Lomb Incorporated Method and apparatus for molding contact lenses and making their container
DE59605457D1 (de) * 1995-07-01 2000-07-27 Esec Sa Verfahren und Einrichtung zum Austragen von flüssigem Lot
US20040074525A1 (en) * 2001-03-27 2004-04-22 Widman Michael F. Transfer apparatus and method and a transfer apparatus cleaner and method
US20070157553A1 (en) * 1998-12-21 2007-07-12 Voss Leslie A Heat seal apparatus for lens packages
US20040112008A1 (en) 1998-12-21 2004-06-17 Voss Leslie A. Heat seal apparatus for lens packages
US6494021B1 (en) * 1999-02-18 2002-12-17 Johnson & Johnson Vision Care, Inc. Contact lens transfer and material removal system
WO2000066348A1 (en) * 1999-04-30 2000-11-09 Bausch & Lomb Incorporated Method of manufacturing contact lenses by curing within a sealed package and package obtained
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
JP4346054B2 (ja) * 2000-01-18 2009-10-14 栄修 永田 ハンダ付け方法およびハンダ付け装置
US7879267B2 (en) * 2001-08-02 2011-02-01 J&J Vision Care, Inc. Method for coating articles by mold transfer
US6884369B2 (en) * 2001-12-17 2005-04-26 Essilor International (Compagnie Generale D'optique Mold and a method of hot-forming a thermoplastic lens
US20060071356A1 (en) * 2004-10-04 2006-04-06 Kevin Beebe Method for separating excess material from a lens mold
FR2890592B1 (fr) * 2005-09-13 2007-11-30 Essilor Int Dispositif pour la realisation d'une lentille optique en matiere synthetique polymerisable.
US7811483B2 (en) * 2006-06-01 2010-10-12 Coopervision International Holding Company, Lp Delensing of ophthalmic lenses using gas
EP2094471B1 (de) * 2006-12-21 2013-04-10 Bausch & Lomb Incorporated Verfahren zum trennen einer in einem hohlraum zwischen einem hinteren und einem vorderen formabschnitt geformten linse
US20080179770A1 (en) * 2007-01-31 2008-07-31 Rooney Thomas R Free form ophthalmic lens mold
US8313675B2 (en) * 2009-08-31 2012-11-20 Coopervision International Holding Company, Lp Demolding of ophthalmic lenses during the manufacture thereof
MY155674A (en) * 2009-10-16 2015-11-13 Novartis Ag Container for the accommodation of a contact lens
SG10201408412WA (en) * 2009-12-17 2015-01-29 Novartis Ag Method of separating excess lens forming material from a molded ophthalmic lens, in particular a contact lens
CN103221204B (zh) * 2010-11-19 2017-06-30 诺瓦提斯公司 用于抓取浸在液体中的眼用透镜的抓取器
WO2018198934A1 (ja) * 2017-04-25 2018-11-01 日産自動車株式会社 複合材料の成形方法および複合材料の成形装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL109348C (de) * 1958-11-21
FR1424423A (fr) * 1963-05-31 1966-01-14 Reichhold Chemie Ag Procédé de réalisation sous vide d'éléments en matières synthétiques armées
US3500503A (en) * 1967-12-28 1970-03-17 Dow Chemical Co Mechanical seal for use on molding apparatus
US4197266A (en) * 1974-05-06 1980-04-08 Bausch & Lomb Incorporated Method for forming optical lenses
JPS6030529B2 (ja) * 1977-04-28 1985-07-17 日本コンタクトレンズ製造株式会社 シリコン樹脂製コンタクトレンズの製造用成形型
US4575443A (en) * 1984-12-21 1986-03-11 Adolph Coors Company Rotary injection molding system for suppressing polymer flash
US4680149A (en) * 1986-05-19 1987-07-14 International Hydron Corporation Mold and method for spin casting a precisely configured article
GB2237241B (en) * 1988-11-02 1993-01-13 Nat Res Dev Contact lens cast moulding and packaging
ES2096846T3 (es) * 1988-11-02 1997-03-16 British Tech Group Moldeo y envase de lentes de contacto.
CA2036009A1 (en) * 1990-04-02 1991-10-03 Russell J. Vanrens Apparatus for molding lost foam pattern sections
US5152951A (en) * 1990-07-27 1992-10-06 The Uniroyal Goodrich Tire Company Vented tire mold and method for vacuum molding
US5238388A (en) * 1991-12-06 1993-08-24 Johnson & Johnson Vision Products, Inc. Ophthalmic lens mold seal

Also Published As

Publication number Publication date
AU5451594A (en) 1994-05-24
WO1994009960A1 (en) 1994-05-11
JP3284224B2 (ja) 2002-05-20
NZ257754A (en) 1996-08-27
CZ109895A3 (en) 1996-03-13
EP0670766B1 (de) 1997-07-09
JPH08503172A (ja) 1996-04-09
US5316700A (en) 1994-05-31
AU680637B2 (en) 1997-08-07
CA2148241C (en) 1999-01-19
HU9501257D0 (en) 1995-06-28
KR100316573B1 (ko) 2002-10-31
ES2104190T3 (es) 1997-10-01
DE69312083T2 (de) 1997-10-30
EP0670766A1 (de) 1995-09-13
HUT73505A (en) 1996-08-28
KR950704101A (ko) 1995-11-17
CA2148241A1 (en) 1994-05-11
DE69312083D1 (de) 1997-08-14
SG49174A1 (en) 1998-05-18

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