BR9502749A - Processo e aparelho para a separação de molde - Google Patents

Processo e aparelho para a separação de molde

Info

Publication number
BR9502749A
BR9502749A BR9502749A BR9502749A BR9502749A BR 9502749 A BR9502749 A BR 9502749A BR 9502749 A BR9502749 A BR 9502749A BR 9502749 A BR9502749 A BR 9502749A BR 9502749 A BR9502749 A BR 9502749A
Authority
BR
Brazil
Prior art keywords
mold separation
steam
provides
contact lens
present
Prior art date
Application number
BR9502749A
Other languages
English (en)
Inventor
Ture Kindt-Larsen
Stephen Robert Beaton
Wallace Anthony Martin
Stephen Craig Pegram
Craig William Walker
Original Assignee
Johnson & Johnson
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 filed Critical Johnson & Johnson
Publication of BR9502749A publication Critical patent/BR9502749A/pt

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
    • B29C33/02—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means
    • B29C33/04—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means using liquids, gas or steam
    • B29C33/048—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means using liquids, gas or steam using steam
    • 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
    • B29C33/20—Opening, closing or clamping
    • 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
    • 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
    • B29C33/46—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 using fluid pressure
    • 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
    • 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
    • B29C31/00—Handling, e.g. feeding of the material to be shaped, storage of plastics material before moulding; Automation, i.e. automated handling lines in plastics processing plants, e.g. using manipulators or robots
    • 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
    • B29C33/0011—Moulds or cores; Details thereof or accessories therefor thin-walled 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
    • 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
    • B29C37/0007—Discharging moulded articles from the mould using means operable from outside the mould for moving between mould parts, e.g. robots
    • 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)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Eyeglasses (AREA)
  • Confectionery (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
BR9502749A 1994-06-10 1995-06-09 Processo e aparelho para a separação de molde BR9502749A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/258,265 US5850107A (en) 1994-06-10 1994-06-10 Mold separation method and apparatus

Publications (1)

Publication Number Publication Date
BR9502749A true BR9502749A (pt) 1996-03-12

Family

ID=22979815

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9502749A BR9502749A (pt) 1994-06-10 1995-06-09 Processo e aparelho para a separação de molde

Country Status (11)

Country Link
US (2) US5850107A (pt)
EP (2) EP0988961B1 (pt)
JP (1) JP4004560B2 (pt)
AT (2) ATE231792T1 (pt)
AU (1) AU709042B2 (pt)
BR (1) BR9502749A (pt)
CA (1) CA2151360C (pt)
CZ (1) CZ147795A3 (pt)
DE (2) DE69531562T2 (pt)
IL (1) IL113825A0 (pt)
ZA (1) ZA954815B (pt)

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ATE300418T1 (de) † 1999-10-27 2005-08-15 Novartis Pharma Gmbh Entformung von kontakt-linsen
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
US6473232B2 (en) 2000-03-08 2002-10-29 Canon Kabushiki Kaisha Optical system having a diffractive optical element, and optical apparatus
US6558584B1 (en) 2000-03-31 2003-05-06 Bausch & Lomb Incorporated Apparatus and method for handling an ophthalmic lens
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US6663801B2 (en) * 2001-04-06 2003-12-16 Johnson & Johnson Vision Care, Inc. Silicon carbide IR-emitter heating device and method for demolding lenses
US6708397B2 (en) * 2001-08-09 2004-03-23 Johnson & Johnson Vision Care, Inc. Inlay station with alignment assemblies and transfer tubes
US6836692B2 (en) * 2001-08-09 2004-12-28 Johnson & Johnson Vision Care, Inc. System and method for intelligent lens transfer
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US7297305B2 (en) * 2004-04-08 2007-11-20 Research Triangle Institute Electrospinning in a controlled gaseous environment
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CN100395121C (zh) * 2004-11-19 2008-06-18 鸿富锦精密工业（深圳）有限公司 热压印方法
US20060202367A1 (en) * 2005-03-11 2006-09-14 Knutzen Josef V Multi stage ophthalmic lens demold
US8557165B2 (en) 2008-10-25 2013-10-15 The Boeing Company Forming highly contoured composite parts
US8601694B2 (en) * 2008-06-13 2013-12-10 The Boeing Company Method for forming and installing stringers
US7731873B2 (en) 2005-08-09 2010-06-08 Coopervision International Holding Company, Lp Contact lens mold assemblies and systems and methods of producing same
US7320587B2 (en) * 2005-08-09 2008-01-22 Cooper Vision, Inc. Contact lens molds and systems and methods for producing same
US9102110B2 (en) * 2005-08-09 2015-08-11 Coopervision International Holding Company, Lp Systems and methods for removing lenses from lens molds
US7799249B2 (en) * 2005-08-09 2010-09-21 Coopervision International Holding Company, Lp Systems and methods for producing silicone hydrogel contact lenses
US7655168B2 (en) * 2006-01-31 2010-02-02 The Boeing Company Tools for manufacturing composite parts and methods for using such tools
US8231218B2 (en) 2006-06-15 2012-07-31 Coopervision International Holding Company, Lp Wettable silicone hydrogel contact lenses and related compositions and methods
MY147579A (en) * 2006-09-21 2012-12-31 Novartis Ag Method of de-molding contact lenses
EP2094471B1 (en) 2006-12-21 2013-04-10 Bausch & Lomb Incorporated Method for releasing a lens moulded in a cavity between posterior and anterior mould sections
US8388795B2 (en) 2007-05-17 2013-03-05 The Boeing Company Nanotube-enhanced interlayers for composite structures
US8042767B2 (en) 2007-09-04 2011-10-25 The Boeing Company Composite fabric with rigid member structure
US20100109176A1 (en) 2008-11-03 2010-05-06 Chris Davison Machined lens molds and methods for making and using same
US8313675B2 (en) * 2009-08-31 2012-11-20 Coopervision International Holding Company, Lp Demolding of ophthalmic lenses during the manufacture thereof
EP2637847B1 (en) 2010-11-10 2014-07-23 Novartis AG Method for making contact lenses
CN102529127B (zh) * 2011-12-13 2014-09-24 江西洪都航空工业集团有限责任公司 可调节有机玻璃退火整形架
DE102012017008B3 (de) * 2012-08-28 2013-11-21 Rodenstock Gmbh Verfahren zum Ablösen einer Gießform von einer Kunststofflinse
US9995855B2 (en) 2012-12-11 2018-06-12 Ev Group E. Thallner Gmbh Method and device for producing a lens wafer
US9764501B2 (en) 2014-12-19 2017-09-19 Coopervision International Holding Company, Lp Contact lens mold parts, contact lens mold assemblies, and methods of making contact lenses
US9937640B2 (en) 2014-12-19 2018-04-10 Coopervision International Holding Company, Lp Apparatus and method for closure of ophthalmic lens molds
US9938034B2 (en) 2014-12-19 2018-04-10 Coopervision International Holding Company, Lp Method and apparatus relating to manufacture of molds for forming contact lenses
US10029402B2 (en) 2014-12-19 2018-07-24 Coopervision International Holding Company, Lp Method and apparatus for manufacturing contact lenses
US10137612B2 (en) 2014-12-19 2018-11-27 Coopervision International Holding Company, Lp Methods and apparatus for manufacture of ophthalmic lenses
CN109803815B (zh) 2016-10-14 2021-06-11 爱尔康公司 制造接触镜片的方法
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US10967544B2 (en) * 2017-12-01 2021-04-06 Himax Technologies Limited Mold separation device and separation method thereof
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Also Published As

Publication number Publication date
EP0988961A2 (en) 2000-03-29
EP0988961B1 (en) 2003-08-20
CA2151360C (en) 2008-07-29
DE69531562T2 (de) 2004-06-17
CA2151360A1 (en) 1995-12-11
AU2056695A (en) 1995-12-21
DE69531562D1 (de) 2003-09-25
ZA954815B (en) 1996-12-09
EP0686490B1 (en) 2003-01-29
US5690973A (en) 1997-11-25
EP0686490A3 (en) 1997-04-23
US5850107A (en) 1998-12-15
DE69529491T2 (de) 2003-10-30
IL113825A0 (en) 1995-08-31
EP0988961A3 (en) 2002-04-10
ATE247549T1 (de) 2003-09-15
CZ147795A3 (en) 1996-08-14
ATE231792T1 (de) 2003-02-15
JPH08174700A (ja) 1996-07-09
AU709042B2 (en) 1999-08-19
JP4004560B2 (ja) 2007-11-07
EP0686490A2 (en) 1995-12-13
DE69529491D1 (de) 2003-03-06

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FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
HHFF Decision: republication
FG9A Patent or certificate of addition granted
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

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