ATE202312T1 - Verfahren und vorrichtung zur laser-entformung - Google Patents

Verfahren und vorrichtung zur laser-entformung

Info

Publication number
ATE202312T1
ATE202312T1 AT96303010T AT96303010T ATE202312T1 AT E202312 T1 ATE202312 T1 AT E202312T1 AT 96303010 T AT96303010 T AT 96303010T AT 96303010 T AT96303010 T AT 96303010T AT E202312 T1 ATE202312 T1 AT E202312T1
Authority
AT
Austria
Prior art keywords
mold
mold portion
portions
flange
separating
Prior art date
Application number
AT96303010T
Other languages
English (en)
Inventor
Craig William Walker
Stephen Robert Beaton
Wallace Anthony Martin
Stephen Craig Pegram
Denwood F Ross
Henri Armand Dagobert
Ture Kindt-Larsen
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 ATE202312T1 publication Critical patent/ATE202312T1/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
    • 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
    • B29C33/44—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Eyeglasses (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
  • Optical Communication System (AREA)
  • Laser Surgery Devices (AREA)
AT96303010T 1995-05-01 1996-04-30 Verfahren und vorrichtung zur laser-entformung ATE202312T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US43155295A 1995-05-01 1995-05-01

Publications (1)

Publication Number Publication Date
ATE202312T1 true ATE202312T1 (de) 2001-07-15

Family

ID=23712443

Family Applications (1)

Application Number Title Priority Date Filing Date
AT96303010T ATE202312T1 (de) 1995-05-01 1996-04-30 Verfahren und vorrichtung zur laser-entformung

Country Status (8)

Country Link
EP (1) EP0750981B1 (de)
JP (1) JP4121572B2 (de)
AT (1) ATE202312T1 (de)
AU (1) AU713558B2 (de)
CA (1) CA2175315C (de)
DE (1) DE69613434T2 (de)
SG (1) SG63641A1 (de)
TW (2) TW486422B (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU706496B2 (en) * 1995-11-21 1999-06-17 Johnson & Johnson Vision Products, Inc. Infra-red heat source for demolding contact lenses
US20060202368A1 (en) * 2005-03-09 2006-09-14 Yasuo Matsuzawa Method for producing contact lenses
US7811483B2 (en) 2006-06-01 2010-10-12 Coopervision International Holding Company, Lp Delensing of ophthalmic lenses using gas
US8535043B2 (en) * 2006-10-30 2013-09-17 Johnson & Johnson Vision Care, Inc. Molds for use in contact lens production
US8313675B2 (en) 2009-08-31 2012-11-20 Coopervision International Holding Company, Lp Demolding of ophthalmic lenses during the manufacture thereof
DE102012017008B3 (de) * 2012-08-28 2013-11-21 Rodenstock Gmbh Verfahren zum Ablösen einer Gießform von einer Kunststofflinse
TWI593539B (zh) * 2014-04-17 2017-08-01 亨泰光學股份有限公司 隱形眼鏡鏡片脫模機
CN111483099B (zh) * 2019-01-25 2022-05-10 优你康光学股份有限公司 用于隐形眼镜脱模的模具及其方法
CN113977853B (zh) * 2021-04-19 2023-12-01 浙江瀚氏模塑科技有限公司 一种蓄电池外壳注塑模具
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
CN113878823B (zh) * 2021-09-26 2023-09-26 博众精工科技股份有限公司 一种脱模模组
CN115709244B (zh) * 2022-11-09 2023-06-09 珠海信城智能制造有限公司 一种具有自动脱模功能的层级分离式成型模具

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1579166A1 (de) * 1965-11-30 1970-07-16 Continental Gummi Werke Ag Verfahren und Vorrichtung zum OEffnen von Vulkanisierformen an Kautschuk-Spritzmaschinen
US3624672A (en) * 1968-06-13 1971-11-30 Phillips Petroleum Co Molding of cellular objects
GB2127345B (en) * 1982-09-16 1985-10-02 Old Acre Eng Co Ltd Vacuum presses
CA1263208A (en) * 1985-12-19 1989-11-28 Kirk K.S. Hwang Method and apparatus for making optical devices
US4889664A (en) * 1988-11-25 1989-12-26 Vistakon, Inc. Method of forming shaped hydrogel articles including contact lenses
FR2662969B1 (fr) * 1990-06-08 1992-10-16 Anver Appareil de moulage haute frequence de matiere plastique.
US5294379A (en) * 1992-09-18 1994-03-15 Johnson & Johnson Vision Products, Inc. Laser assisted demolding of ophthalmic lenses

Also Published As

Publication number Publication date
EP0750981A1 (de) 1997-01-02
SG63641A1 (en) 1999-03-30
JP4121572B2 (ja) 2008-07-23
AU5084496A (en) 1996-11-14
DE69613434T2 (de) 2001-10-18
TW486422B (en) 2002-05-11
CA2175315C (en) 2007-07-24
CA2175315A1 (en) 1996-11-02
EP0750981B1 (de) 2001-06-20
DE69613434D1 (de) 2001-07-26
TW416912B (en) 2001-01-01
JPH0911254A (ja) 1997-01-14
AU713558B2 (en) 1999-12-02

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Legal Events

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