DE60135506D1 - Einsatz und verfahren zum giessformen von kontaktlinsen mit einer abgerundeten randform - Google Patents

Einsatz und verfahren zum giessformen von kontaktlinsen mit einer abgerundeten randform

Info

Publication number
DE60135506D1
DE60135506D1 DE60135506T DE60135506T DE60135506D1 DE 60135506 D1 DE60135506 D1 DE 60135506D1 DE 60135506 T DE60135506 T DE 60135506T DE 60135506 T DE60135506 T DE 60135506T DE 60135506 D1 DE60135506 D1 DE 60135506D1
Authority
DE
Germany
Prior art keywords
contact lenses
rounded edge
molding contact
surface mold
cavity
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.)
Expired - Lifetime
Application number
DE60135506T
Other languages
English (en)
Inventor
Gregg A Dean
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.)
CooperVision International Holding Co LP
Original Assignee
CooperVision International Holding Co LP
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 CooperVision International Holding Co LP filed Critical CooperVision International Holding Co LP
Application granted granted Critical
Publication of DE60135506D1 publication Critical patent/DE60135506D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/02—Lenses; Lens systems ; Methods of designing lenses
    • G02C7/04—Contact lenses for the eyes
    • 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
    • B29D11/00057—Production of contact lenses characterised by the shape or surface condition of the edge, e.g. flashless, burrless, smooth
    • 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
    • B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
    • B29C33/3842—Manufacturing moulds, e.g. shaping the mould surface by machining
    • B29C33/3857—Manufacturing moulds, e.g. shaping the mould surface by machining by making impressions of one or more parts of models, e.g. shaped articles and including possible subsequent assembly of the parts
    • 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
    • B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
    • B29C33/40—Plastics, e.g. foam or rubber
    • 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
    • B29C33/42—Moulds or cores; Details thereof or accessories therefor characterised by the shape of the moulding surface, e.g. ribs or grooves
    • 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
    • B29D11/0048—Moulds for lenses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2011/00—Optical elements, e.g. lenses, prisms
    • B29L2011/0016—Lenses
    • B29L2011/0041—Contact lenses

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Eyeglasses (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
DE60135506T 2001-10-11 2001-10-11 Einsatz und verfahren zum giessformen von kontaktlinsen mit einer abgerundeten randform Expired - Lifetime DE60135506D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2001/042682 WO2003031162A1 (en) 2001-10-11 2001-10-11 Method for cast molding contact lenses with a rounded edge form

Publications (1)

Publication Number Publication Date
DE60135506D1 true DE60135506D1 (de) 2008-10-02

Family

ID=32653969

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60135506T Expired - Lifetime DE60135506D1 (de) 2001-10-11 2001-10-11 Einsatz und verfahren zum giessformen von kontaktlinsen mit einer abgerundeten randform

Country Status (7)

Country Link
EP (1) EP1441898B1 (de)
JP (1) JP2005504665A (de)
KR (1) KR20040066794A (de)
CN (1) CN1582227A (de)
AT (1) ATE405414T1 (de)
DE (1) DE60135506D1 (de)
WO (1) WO2003031162A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014057512A1 (ja) * 2012-10-09 2014-04-17 株式会社メニコン コンタクトレンズ
MY179771A (en) * 2013-06-26 2020-11-13 Coopervision Int Ltd Methods of manufacturing and apparatus useful in manufacturing toric contact lenses

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4209289A (en) * 1979-05-14 1980-06-24 American Optical Corporation Contact lens mold
GB8601967D0 (en) * 1986-01-28 1986-03-05 Coopervision Optics Manufacturing contact lenses
GB8900616D0 (en) * 1989-01-12 1989-03-08 Galley Geoffrey H Methods of manufacturing contact lenses
IL97175A (en) * 1990-03-16 1996-01-31 Ciba Geigy Pattern for casting contact lenses
US5252056A (en) * 1990-03-16 1993-10-12 Ciba-Geigy Corporation Contact lens casting mould
US5158717A (en) * 1990-11-27 1992-10-27 Bausch & Lomb Incorporated Method of molding shaped polymeric articles
KR100259225B1 (ko) * 1992-09-29 2000-06-15 스티븐 에이. 헬렁 플라스틱 주형 제조 방법
CN1352595A (zh) * 1999-12-09 2002-06-05 庄臣及庄臣视力保护公司 用于生产隐形眼镜的模具

Also Published As

Publication number Publication date
EP1441898A4 (de) 2004-11-24
EP1441898A1 (de) 2004-08-04
ATE405414T1 (de) 2008-09-15
EP1441898B1 (de) 2008-08-20
KR20040066794A (ko) 2004-07-27
JP2005504665A (ja) 2005-02-17
CN1582227A (zh) 2005-02-16
WO2003031162A1 (en) 2003-04-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition