ATE231066T1 - Leitende sondespitzen zur heizung von kontaktlinsenformanordnungen während des entnehmungsverfahren - Google Patents

Leitende sondespitzen zur heizung von kontaktlinsenformanordnungen während des entnehmungsverfahren

Info

Publication number
ATE231066T1
ATE231066T1 AT97303761T AT97303761T ATE231066T1 AT E231066 T1 ATE231066 T1 AT E231066T1 AT 97303761 T AT97303761 T AT 97303761T AT 97303761 T AT97303761 T AT 97303761T AT E231066 T1 ATE231066 T1 AT E231066T1
Authority
AT
Austria
Prior art keywords
mold
backcurve
lens
contact lens
conductive heating
Prior art date
Application number
AT97303761T
Other languages
English (en)
Inventor
Michael F Wildman
Henri A Dagobert
Original Assignee
Johnson & Johnson Vision Prod
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 Johnson & Johnson Vision Prod filed Critical Johnson & Johnson Vision Prod
Application granted granted Critical
Publication of ATE231066T1 publication Critical patent/ATE231066T1/de

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
    • B29D11/00009—Production of simple or compound lenses
    • B29D11/00038—Production of contact lenses
    • B29D11/00125—Auxiliary operations, e.g. removing oxygen from the mould, conveying moulds from a storage to the production line in an inert atmosphere
    • B29D11/00192—Demoulding, e.g. separating lenses from mould halves
    • B29D11/00211—Demoulding, e.g. separating lenses from mould halves using heating 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
    • B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C37/0003—Discharging moulded articles from the mould
    • 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
    • B29D11/00125—Auxiliary operations, e.g. removing oxygen from the mould, conveying moulds from a storage to the production line in an inert atmosphere
    • B29D11/00192—Demoulding, e.g. separating lenses from mould halves
    • B29D11/00221—Demoulding, e.g. separating lenses from mould halves using prying 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
    • 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
    • B29C2035/0211—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould resistance heating
    • 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
    • Y10S425/11—Heated 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
    • Y10S425/808—Lens mold

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
AT97303761T 1996-06-04 1997-06-03 Leitende sondespitzen zur heizung von kontaktlinsenformanordnungen während des entnehmungsverfahren ATE231066T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/657,565 US5820895A (en) 1996-06-04 1996-06-04 Conductive probe for heating contact lens mold assemblies during demolding

Publications (1)

Publication Number Publication Date
ATE231066T1 true ATE231066T1 (de) 2003-02-15

Family

ID=24637728

Family Applications (1)

Application Number Title Priority Date Filing Date
AT97303761T ATE231066T1 (de) 1996-06-04 1997-06-03 Leitende sondespitzen zur heizung von kontaktlinsenformanordnungen während des entnehmungsverfahren

Country Status (8)

Country Link
US (1) US5820895A (de)
EP (1) EP0811475B1 (de)
JP (1) JP4316018B2 (de)
AT (1) ATE231066T1 (de)
AU (1) AU709005B2 (de)
CA (1) CA2206882C (de)
DE (1) DE69718379T2 (de)
TW (1) TW467827B (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020027301A1 (en) * 1998-06-11 2002-03-07 Hideo Kato Method for manufacture of optical element
US6663801B2 (en) * 2001-04-06 2003-12-16 Johnson & Johnson Vision Care, Inc. Silicon carbide IR-emitter heating device and method for demolding lenses
US7241125B2 (en) * 2001-05-25 2007-07-10 Johnson & Johnson Vision Care, Inc. Center touch method and apparatus for forming contact lenses
JP4695797B2 (ja) * 2001-09-28 2011-06-08 株式会社メニコンネクト レンズ型開き手段及び方法
JP4695798B2 (ja) * 2001-09-28 2011-06-08 株式会社メニコンネクト 眼用レンズの分離方法およびそれに用いる分離装置
US20040075039A1 (en) * 2002-08-16 2004-04-22 Dubey Dharmesh K. Molds for producing contact lenses
DE602005006996D1 (de) * 2004-03-24 2008-07-03 Novartis Ag Verfahren zur herstellung von kontaktlinsen
US20060071356A1 (en) * 2004-10-04 2006-04-06 Kevin Beebe Method for separating excess material from a lens mold
US20060097415A1 (en) * 2004-11-05 2006-05-11 Watterson Robert J Jr Methods of demolding ophthalmic lenses
US7799249B2 (en) 2005-08-09 2010-09-21 Coopervision International Holding Company, Lp Systems and methods for producing silicone hydrogel contact lenses
CN100999374B (zh) * 2006-01-12 2010-09-29 鸿富锦精密工业（深圳）有限公司 一种脱模方法
MX2008011877A (es) * 2006-03-20 2008-11-28 Coopervision Int Holding Co Lp Auxiliares para desprendimiento de moldes de hidrogeles de silicona y metodos relacionados.
US8414804B2 (en) 2006-03-23 2013-04-09 Johnson & Johnson Vision Care, Inc. Process for making ophthalmic lenses
US20070222095A1 (en) * 2006-03-23 2007-09-27 Diana Zanini Process for making ophthalmic lenses
CN101563213B (zh) * 2006-12-21 2013-07-24 博士伦公司 用于将后模具部分和前模具部分之间的空腔中模制的透镜脱开(release)的装置和方法
US20080185744A1 (en) * 2007-02-01 2008-08-07 Bausch & Lomb Incorporated Thermal Conductive Curing of Ophthalmic Lenses
US9623614B2 (en) 2010-11-10 2017-04-18 Novartis Ag Method for making contact lenses
EP3526017B1 (de) * 2016-10-14 2025-11-26 Alcon Inc. Verfahren zur herstellung von kontaktlinsen
CN107415260B (zh) * 2017-08-02 2023-11-07 深圳市众创立科技有限公司 一种镜腿加热装置
CN109877192A (zh) * 2019-04-10 2019-06-14 滁州永强汽车制造有限公司 一种箱体围板整体成型装置
KR102090335B1 (ko) * 2019-10-02 2020-03-17 가정만 콘택트렌즈 분리장치
CN113524597A (zh) * 2021-08-11 2021-10-22 惠州市大路科技有限公司 一种塑胶制品加工成型注水辅助脱模装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB572748A (en) * 1944-01-27 1945-10-22 John Johnson Improvements in or relating to the moulding of plastics
DE68913860T2 (de) * 1988-08-22 1994-08-04 Matsushita Electric Ind Co Ltd Pressform und Formgebungsverfahren zum Herstellen von optischen Teilen.
US5294379A (en) * 1992-09-18 1994-03-15 Johnson & Johnson Vision Products, Inc. Laser assisted demolding of ophthalmic lenses
US5458900A (en) * 1993-09-03 1995-10-17 Roberto Gonzales Barrera Methods for making arepas
US5435943A (en) * 1994-03-11 1995-07-25 Johnson & Johnson Vision Products, Inc. Method and apparatus for making an ophthalmic lens
US5569474A (en) * 1994-06-06 1996-10-29 Daiho Industrial Co., Ltd. Mold for injection molding of plastics using thin film electric heater
US5542978A (en) * 1994-06-10 1996-08-06 Johnson & Johnson Vision Products, Inc. Apparatus for applying a surfactant to mold surfaces

Also Published As

Publication number Publication date
MX9704114A (es) 1998-06-28
JP4316018B2 (ja) 2009-08-19
EP0811475B1 (de) 2003-01-15
AU2365497A (en) 1997-12-11
CA2206882C (en) 2006-05-09
DE69718379T2 (de) 2003-09-11
AU709005B2 (en) 1999-08-19
US5820895A (en) 1998-10-13
TW467827B (en) 2001-12-11
DE69718379D1 (de) 2003-02-20
EP0811475A2 (de) 1997-12-10
JPH1071623A (ja) 1998-03-17
CA2206882A1 (en) 1997-12-04
EP0811475A3 (de) 1998-01-28

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Legal Events

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