CA2655747A1 - Reduction of excess polymeric flash ring - Google Patents

Reduction of excess polymeric flash ring Download PDF

Info

Publication number
CA2655747A1
CA2655747A1 CA002655747A CA2655747A CA2655747A1 CA 2655747 A1 CA2655747 A1 CA 2655747A1 CA 002655747 A CA002655747 A CA 002655747A CA 2655747 A CA2655747 A CA 2655747A CA 2655747 A1 CA2655747 A1 CA 2655747A1
Authority
CA
Canada
Prior art keywords
mold part
span
tween
mold
lens
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
CA002655747A
Other languages
English (en)
French (fr)
Inventor
Frank F. Molock, Jr.
Changhong Yin
Scott F. Ansell
Michael J. Strong
John C. Heaton
Eric Hammitt
William Mckee
Jason Tokarski
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Johnson and Johnson Vision Care Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2655747A1 publication Critical patent/CA2655747A1/en
Abandoned legal-status Critical Current

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
    • B29D11/00038Production 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
    • B29D11/00192Demoulding, e.g. separating lenses from mould halves
    • 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
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00Producing optical elements, e.g. lenses or prisms

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Eyeglasses (AREA)
CA002655747A 2006-06-29 2007-06-22 Reduction of excess polymeric flash ring Abandoned CA2655747A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US80619906P 2006-06-29 2006-06-29
US60/806,199 2006-06-29
PCT/US2007/014554 WO2008005201A2 (en) 2006-06-29 2007-06-22 Reduction of excess polymeric flash ring

Publications (1)

Publication Number Publication Date
CA2655747A1 true CA2655747A1 (en) 2008-01-10

Family

ID=38776245

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002655747A Abandoned CA2655747A1 (en) 2006-06-29 2007-06-22 Reduction of excess polymeric flash ring

Country Status (11)

Country Link
EP (1) EP2038108A2 (ru)
JP (1) JP2009542472A (ru)
KR (1) KR20090034362A (ru)
CN (1) CN101505948A (ru)
AR (1) AR061758A1 (ru)
AU (1) AU2007269947A1 (ru)
BR (1) BRPI0713877A2 (ru)
CA (1) CA2655747A1 (ru)
RU (1) RU2009102829A (ru)
TW (1) TW200817156A (ru)
WO (1) WO2008005201A2 (ru)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN103906622B (zh) * 2011-10-28 2017-06-30 诺华股份有限公司 用于模制眼用透镜的方法和用于将涂层施加到眼用透镜模具表面上的装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1068698A (fr) * 1951-07-20 1954-06-30 Gen Motors Corp Procédé de fabrication de moules en sable et résine
US5804107A (en) * 1994-06-10 1998-09-08 Johnson & Johnson Vision Products, Inc. Consolidated contact lens molding
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
AU2007269947A1 (en) 2008-01-10
WO2008005201A2 (en) 2008-01-10
CN101505948A (zh) 2009-08-12
TW200817156A (en) 2008-04-16
EP2038108A2 (en) 2009-03-25
WO2008005201A3 (en) 2008-03-20
RU2009102829A (ru) 2010-08-10
AR061758A1 (es) 2008-09-17
KR20090034362A (ko) 2009-04-07
JP2009542472A (ja) 2009-12-03
BRPI0713877A2 (pt) 2012-11-06

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Legal Events

Date Code Title Description
FZDE Discontinued