BR9502741A - Método e aparelhagem para aplicar um tenso-ativo a superficies de molde - Google Patents

Método e aparelhagem para aplicar um tenso-ativo a superficies de molde

Info

Publication number
BR9502741A
BR9502741A BR9502741A BR9502741A BR9502741A BR 9502741 A BR9502741 A BR 9502741A BR 9502741 A BR9502741 A BR 9502741A BR 9502741 A BR9502741 A BR 9502741A BR 9502741 A BR9502741 A BR 9502741A
Authority
BR
Brazil
Prior art keywords
surfactant
mold components
applying
mold
molding
Prior art date
Application number
BR9502741A
Other languages
English (en)
Inventor
Wallace Anthony Martin
Ture Kindt-Larsen
Craig William Walker
Stephen Robert Beaton
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 BR9502741A publication Critical patent/BR9502741A/pt

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00Producing optical elements, e.g. lenses or prisms
    • B29D11/00009Production of simple or compound lenses
    • B29D11/00432Auxiliary operations, e.g. machines for filling the moulds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00Moulds or cores; Details thereof or accessories therefor
    • B29C33/56Coatings, e.g. enameled or galvanised; Releasing, lubricating or separating agents
    • B29C33/58Applying the releasing agents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00Moulds or cores; Details thereof or accessories therefor
    • B29C33/56Coatings, e.g. enameled or galvanised; Releasing, lubricating or separating agents
    • B29C33/60Releasing, lubricating or separating agents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00Moulds or cores; Details thereof or accessories therefor
    • B29C33/56Coatings, e.g. enameled or galvanised; Releasing, lubricating or separating agents
    • B29C33/60Releasing, lubricating or separating agents
    • B29C33/62Releasing, lubricating or separating agents based on polymers or oligomers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00Producing optical elements, e.g. lenses or prisms
    • B29D11/00009Production of simple or compound lenses
    • B29D11/00038Production of contact lenses
    • B29D11/00125Auxiliary operations, e.g. removing oxygen from the mould, conveying moulds from a storage to the production line in an inert atmosphere
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2011/00Optical elements, e.g. lenses, prisms
    • B29L2011/0016Lenses
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S425/00Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/808Lens mold

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)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Eyeglasses (AREA)
  • Coating Apparatus (AREA)
  • Lubricants (AREA)
BR9502741A 1994-06-10 1995-06-09 Método e aparelhagem para aplicar um tenso-ativo a superficies de molde BR9502741A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/258,263 US5542978A (en) 1994-06-10 1994-06-10 Apparatus for applying a surfactant to mold surfaces

Publications (1)

Publication Number Publication Date
BR9502741A true BR9502741A (pt) 1996-03-12

Family

ID=22979801

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9502741A BR9502741A (pt) 1994-06-10 1995-06-09 Método e aparelhagem para aplicar um tenso-ativo a superficies de molde

Country Status (12)

Country Link
US (2) US5542978A (pt)
EP (1) EP0686469B1 (pt)
JP (1) JP3683619B2 (pt)
AT (1) ATE177046T1 (pt)
AU (1) AU703935B2 (pt)
BR (1) BR9502741A (pt)
CA (1) CA2151362C (pt)
CZ (1) CZ146395A3 (pt)
DE (1) DE69507988T2 (pt)
DK (1) DK0686469T3 (pt)
IL (1) IL113952A0 (pt)
ZA (2) ZA954813B (pt)

Families Citing this family (61)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3734512B2 (ja) * 1993-12-27 2006-01-11 株式会社メニコン コンタクトレンズ外観検査方法および外観検査装置
MY114536A (en) * 1994-11-24 2002-11-30 Apic Yamada Corp A resin molding machine and a method of resin molding
US5849222A (en) * 1995-09-29 1998-12-15 Johnson & Johnson Vision Products, Inc. Method for reducing lens hole defects in production of contact lens blanks
US5674557A (en) * 1995-09-29 1997-10-07 Johnson & Johnson Vision Products, Inc. Method for transiently wetting lens molds in production of contact lens blanks to reduce lens hole defects
US5916494A (en) 1995-12-29 1999-06-29 Johnson & Johnson Vision Products, Inc. Rotational indexing base curve deposition array
US5820895A (en) * 1996-06-04 1998-10-13 Johnson & Johnson Vision Products, Inc. Conductive probe for heating contact lens mold assemblies during demolding
AU5289498A (en) * 1997-02-05 1998-08-13 Johnson & Johnson Research Pty. Limited Basecurve mold designs to maintain HEMA ring/basecurve adhesion
US6143210A (en) * 1998-08-27 2000-11-07 Wrue; Richard J. Automated cast mold hydrating device
US6334960B1 (en) * 1999-03-11 2002-01-01 Board Of Regents, The University Of Texas System Step and flash imprint lithography
GB9906240D0 (en) * 1999-03-19 1999-05-12 Ocular Sciences Limited Lens mould
US6869549B2 (en) * 1999-05-05 2005-03-22 Johnson & Johnson Vision Care, Inc. Method and mold for making ophthalmic devices
US6592356B1 (en) * 1999-05-05 2003-07-15 Johnson & Johnson Vision Care, Inc. Mold, molding system and molding machine for making ophthalmic devices
DE60001457T2 (de) * 1999-06-11 2003-09-11 Bausch & Lomb Inc., Rochester Linsenformwerkzeuge mit schutzschicht zur herstellung von kontaktlinsen und intraokularlinsen
US6663801B2 (en) 2001-04-06 2003-12-16 Johnson & Johnson Vision Care, Inc. Silicon carbide IR-emitter heating device and method for demolding lenses
US7008570B2 (en) * 2001-08-09 2006-03-07 Stephen Pegram Method and apparatus for contact lens mold assembly
US20040075182A1 (en) * 2002-04-10 2004-04-22 Stephane Gobron Stackable contact lens molds
US20040112862A1 (en) * 2002-12-12 2004-06-17 Molecular Imprints, Inc. Planarization composition and method of patterning a substrate using the same
US7365103B2 (en) * 2002-12-12 2008-04-29 Board Of Regents, The University Of Texas System Compositions for dark-field polymerization and method of using the same for imprint lithography processes
US7396475B2 (en) 2003-04-25 2008-07-08 Molecular Imprints, Inc. Method of forming stepped structures employing imprint lithography
US7307118B2 (en) * 2004-11-24 2007-12-11 Molecular Imprints, Inc. Composition to reduce adhesion between a conformable region and a mold
US20060108710A1 (en) * 2004-11-24 2006-05-25 Molecular Imprints, Inc. Method to reduce adhesion between a conformable region and a mold
US20050160934A1 (en) * 2004-01-23 2005-07-28 Molecular Imprints, Inc. Materials and methods for imprint lithography
US7122482B2 (en) * 2003-10-27 2006-10-17 Molecular Imprints, Inc. Methods for fabricating patterned features utilizing imprint lithography
US8076386B2 (en) 2004-02-23 2011-12-13 Molecular Imprints, Inc. Materials for imprint lithography
US7906180B2 (en) 2004-02-27 2011-03-15 Molecular Imprints, Inc. Composition for an etching mask comprising a silicon-containing material
US7282550B2 (en) * 2004-08-16 2007-10-16 Molecular Imprints, Inc. Composition to provide a layer with uniform etch characteristics
US7939131B2 (en) 2004-08-16 2011-05-10 Molecular Imprints, Inc. Method to provide a layer with uniform etch characteristics
US20060043623A1 (en) * 2004-08-27 2006-03-02 Powell P M Masked precure of ophthalmic lenses: systems and methods thereof
US20060062922A1 (en) 2004-09-23 2006-03-23 Molecular Imprints, Inc. Polymerization technique to attenuate oxygen inhibition of solidification of liquids and composition therefor
US20060081557A1 (en) * 2004-10-18 2006-04-20 Molecular Imprints, Inc. Low-k dielectric functional imprinting materials
US8899547B2 (en) 2004-11-18 2014-12-02 Qspex Technologies, Inc. Molds and method of using the same for optical lenses
US7292326B2 (en) 2004-11-30 2007-11-06 Molecular Imprints, Inc. Interferometric analysis for the manufacture of nano-scale devices
ATE432815T1 (de) * 2005-04-29 2009-06-15 Novartis Ag Beschichtete linsenformen und verfahren zur herstellung von einer kontakt-linse
US7759407B2 (en) 2005-07-22 2010-07-20 Molecular Imprints, Inc. Composition for adhering materials together
US8557351B2 (en) * 2005-07-22 2013-10-15 Molecular Imprints, Inc. Method for adhering materials together
US8808808B2 (en) 2005-07-22 2014-08-19 Molecular Imprints, Inc. Method for imprint lithography utilizing an adhesion primer layer
US20070037897A1 (en) 2005-08-12 2007-02-15 Guigui Wang Method for making contact lenses
US8142703B2 (en) * 2005-10-05 2012-03-27 Molecular Imprints, Inc. Imprint lithography method
AU2007200531B2 (en) * 2006-02-08 2012-01-12 Johnson & Johnson Vision Care, Inc. Facilitating release of silicone hydrogel ophthalmic lenses
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.
US7811483B2 (en) * 2006-06-01 2010-10-12 Coopervision International Holding Company, Lp Delensing of ophthalmic lenses using gas
AU2007269947A1 (en) * 2006-06-29 2008-01-10 Johnson & Johnson Vision Care, Inc. Reduction of excess polymeric flash ring
SG174063A1 (en) * 2006-08-11 2011-09-29 Novartis Ag Lens molds with protective coating for production of ophthalmic lenses
US20080099658A1 (en) * 2006-10-31 2008-05-01 Vandana Srinivas Lens release with perimeter stamp
US20080290535A1 (en) * 2007-05-24 2008-11-27 Molock Jr Frank F Reduction of excess polymeric flash ring
US20090121370A1 (en) * 2007-10-26 2009-05-14 Bausch & Lomb Incorporated Molds for Production of Ophthalmic Devices
US8262952B2 (en) * 2007-10-31 2012-09-11 Bausch & Lomb Incorporated Molds for production of ophthalmic devices
CN101903807B (zh) 2007-12-20 2013-01-09 诺瓦提斯公司 隐形眼镜的制造方法
US20100109195A1 (en) 2008-11-05 2010-05-06 Molecular Imprints, Inc. Release agent partition control in imprint lithography
US8313675B2 (en) * 2009-08-31 2012-11-20 Coopervision International Holding Company, Lp Demolding of ophthalmic lenses during the manufacture thereof
EP2598319B1 (en) 2010-07-30 2014-04-02 CooperVision International Holding Company, LP Ophthalmic device molds formed from highly amorphous vinyl alcohol polymer, ophthalmic devices molded therein, and related methods
US9623614B2 (en) 2010-11-10 2017-04-18 Novartis Ag Method for making contact lenses
MY161676A (en) 2010-12-01 2017-05-15 Novartis Ag Lens molds having atmospheric plasma coatings thereon
SG11201401819VA (en) * 2011-10-28 2014-09-26 Novartis Ag Method for molding an ophthalmic lens and device for applying a coating to the surface of an ophthalmic lens mold
US9358735B2 (en) 2011-11-29 2016-06-07 Novartis Ag Method of treating a lens forming surface of at least one mold half of a mold for molding ophthalmic lenses
DE102011119610A1 (de) * 2011-11-29 2013-05-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur Herstellung strukturierter optischer Komponenten
WO2015066255A1 (en) 2013-10-31 2015-05-07 Novartis Ag Method for producing ophthalmic lenses
WO2015089285A1 (en) 2013-12-13 2015-06-18 Novartis Ag Method for making contact lenses
US11680184B2 (en) * 2014-07-25 2023-06-20 Evonik Superabsorber Gmbh Anti-stick processing aids and use thereof in the production of water-absorbing particles
CN111100741B (zh) * 2020-01-08 2022-03-08 山东建科建筑材料有限公司 衬砌管片专用自乳化型脱模剂及其制备方法
EP4146461B1 (en) 2020-05-07 2024-03-13 Alcon Inc. Method for producing silicone hydrogel contact lenses

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2287270A (en) * 1940-07-05 1942-06-23 Goodrich Co B F Mold lubricant and method of molding rubber articles
BE717646A (pt) * 1968-07-05 1969-01-06
US4064208A (en) * 1974-04-18 1977-12-20 Hanning-Elektro-Werke Robert Hanning Molding method with automatic fluid treatment of mold cavity
US3993727A (en) * 1974-12-18 1976-11-23 Wallace-Murray Corporation Fluid-release mold and the method of manufacturing the same
FR2449522A1 (fr) * 1979-02-20 1980-09-19 Essilor Int Procede de moulage, et moule correspondant, notamment pour moulage de lentilles ophtalmiques en matiere organique
US4640489A (en) * 1981-04-30 1987-02-03 Mia-Lens Production A/S Mold for making contact lenses, either the male or female mold sections being relatively more flexible
US4680336A (en) * 1984-11-21 1987-07-14 Vistakon, Inc. Method of forming shaped hydrogel articles
NL8601671A (nl) * 1986-06-25 1988-01-18 Boer Maschf Bv Werkwijze en inrichting voor het vervaardigen van stenen.
US5039459A (en) * 1988-11-25 1991-08-13 Johnson & Johnson Vision Products, Inc. Method of forming shaped hydrogel articles including contact lenses
US5264161A (en) * 1991-09-05 1993-11-23 Bausch & Lomb Incorporated Method of using surfactants as contact lens processing aids
US5389708A (en) * 1992-01-31 1995-02-14 Mitsui Toatsu Chemicals, Inc. Sulfur-containing acid phosphoric ester internal release agent

Also Published As

Publication number Publication date
ATE177046T1 (de) 1999-03-15
AU2056995A (en) 1995-12-21
CZ146395A3 (en) 1996-05-15
AU703935B2 (en) 1999-04-01
DE69507988D1 (de) 1999-04-08
US5639510A (en) 1997-06-17
CA2151362C (en) 2007-01-02
DK0686469T3 (da) 1999-09-27
DE69507988T2 (de) 1999-08-12
IL113952A0 (en) 1995-08-31
JPH0847930A (ja) 1996-02-20
ZA954813B (en) 1997-03-10
US5542978A (en) 1996-08-06
JP3683619B2 (ja) 2005-08-17
EP0686469B1 (en) 1999-03-03
EP0686469A3 (en) 1997-05-14
ZA971835B (en) 1997-04-09
CA2151362A1 (en) 1995-12-11
EP0686469A2 (en) 1995-12-13

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Legal Events

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

Free format text: PATENTE EXTINTA EM 09/06/2015