BR0016889A - Molde para moldar uma lente de contato e método para impedir a formação de pequenos fios de material de lente de contato durante a fabricação de lentes de contato - Google Patents

Molde para moldar uma lente de contato e método para impedir a formação de pequenos fios de material de lente de contato durante a fabricação de lentes de contato

Info

Publication number
BR0016889A
BR0016889A BR0016889-0A BR0016889A BR0016889A BR 0016889 A BR0016889 A BR 0016889A BR 0016889 A BR0016889 A BR 0016889A BR 0016889 A BR0016889 A BR 0016889A
Authority
BR
Brazil
Prior art keywords
contact lens
preventing
mold
molding
formation
Prior art date
Application number
BR0016889-0A
Other languages
English (en)
Inventor
Scott Frederick Ansell
Jan Albert Maria Windey
Kenneth W Foley Jr
Gerald Robert Krebsbach
Robert Macdonald Smith
Carl G Crowe Jr
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 BR0016889A publication Critical patent/BR0016889A/pt

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
    • 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
    • B29C33/0055—Moulds or cores; Details thereof or accessories therefor with incorporated overflow cavities
    • 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
    • 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
    • B29D11/00576—Moulds for lenses with means to engage flash, e.g. HEMA ring
    • B29D11/00586—Moulds for lenses with means to engage flash, e.g. HEMA ring and removing the flash or HEMA ring
    • 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)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Eyeglasses (AREA)

Abstract

"MOLDE PARA MOLDAR UMA LENTE DE CONTATO E MéTODO PARA IMPEDIR A FORMAçãO DE PEQUENOS FIOS DE MATERIAL DE LENTE DE CONTATO DURANTE A FABRICAçãO DE LENTES DE CONTATO". A invenção provê um molde (21)para moldar uma lente de contato, incluindo um coletor de fluxo excedente (38)que faz com que a mistura reativa (23)seja acumulada e não se espalhe, como faria, na superfície tipicamente plana de um molde da técnica anterior. A invenção ainda provê um método para impedir a formação de pedaços contaminados da mistura reativa de fluxo excedente impedindo-se que a mistura reativa de fluxo excedente se espalhe no molde (21).
BR0016889-0A 2000-01-03 2000-12-19 Molde para moldar uma lente de contato e método para impedir a formação de pequenos fios de material de lente de contato durante a fabricação de lentes de contato BR0016889A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/476,273 US6368522B1 (en) 2000-01-03 2000-01-03 Mold for forming a contact lens and method of preventing formation of small strands of contact lens material during contact lens manufacture
PCT/US2000/034553 WO2001049479A1 (en) 2000-01-03 2000-12-19 Mold for forming a contact lens and method of preventing formation of small strands of contact lens material during contact lens manufacture

Publications (1)

Publication Number Publication Date
BR0016889A true BR0016889A (pt) 2002-10-01

Family

ID=23891195

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0016889-0A BR0016889A (pt) 2000-01-03 2000-12-19 Molde para moldar uma lente de contato e método para impedir a formação de pequenos fios de material de lente de contato durante a fabricação de lentes de contato

Country Status (9)

Country Link
US (2) US6368522B1 (pt)
EP (1) EP1254017B1 (pt)
JP (1) JP2003524539A (pt)
KR (1) KR20020069234A (pt)
CN (1) CN100441403C (pt)
AU (1) AU771425B2 (pt)
BR (1) BR0016889A (pt)
CA (1) CA2396427C (pt)
WO (1) WO2001049479A1 (pt)

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US10137612B2 (en) 2014-12-19 2018-11-27 Coopervision International Holding Company, Lp Methods and apparatus for manufacture of ophthalmic lenses
US10029402B2 (en) 2014-12-19 2018-07-24 Coopervision International Holding Company, Lp Method and apparatus for manufacturing contact lenses
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
KR102929023B1 (ko) 2023-07-03 2026-02-24 주식회사 아이오텍 콘택트렌즈 성형장치용 원료액 부산물 흡착방지 몰드모듈

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Also Published As

Publication number Publication date
KR20020069234A (ko) 2002-08-29
EP1254017A4 (en) 2005-02-23
AU2280401A (en) 2001-07-16
EP1254017B1 (en) 2011-08-17
CN100441403C (zh) 2008-12-10
US7156641B2 (en) 2007-01-02
EP1254017A1 (en) 2002-11-06
CA2396427C (en) 2008-10-28
CN1437530A (zh) 2003-08-20
JP2003524539A (ja) 2003-08-19
CA2396427A1 (en) 2001-07-12
US20020093113A1 (en) 2002-07-18
AU771425B2 (en) 2004-03-18
US6368522B1 (en) 2002-04-09
WO2001049479A1 (en) 2001-07-12

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