SG11202001299XA - Method and device for determining whether or not a single use mold is acceptable - Google Patents

Method and device for determining whether or not a single use mold is acceptable

Info

Publication number
SG11202001299XA
SG11202001299XA SG11202001299XA SG11202001299XA SG11202001299XA SG 11202001299X A SG11202001299X A SG 11202001299XA SG 11202001299X A SG11202001299X A SG 11202001299XA SG 11202001299X A SG11202001299X A SG 11202001299XA SG 11202001299X A SG11202001299X A SG 11202001299XA
Authority
SG
Singapore
Prior art keywords
acceptable
determining whether
single use
use mold
mold
Prior art date
Application number
SG11202001299XA
Inventor
Thomas Tonn
Original Assignee
Alcon Inc
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 Alcon Inc filed Critical Alcon Inc
Publication of SG11202001299XA publication Critical patent/SG11202001299XA/en

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
    • B29C33/70—Maintenance
    • 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
    • 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
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00951—Measuring, controlling or regulating
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
    • G01B11/0616—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material of coating
    • G01B11/0675—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material of coating using interferometry
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/14—Measuring arrangements characterised by the use of optical techniques for measuring distance or clearance between spaced objects or spaced apertures
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
    • G01B11/2441—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures using interferometry
    • 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
    • B29C33/70—Maintenance
    • B29C2033/705—Mould inspection means, e.g. cameras

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
SG11202001299XA 2017-08-24 2018-08-23 Method and device for determining whether or not a single use mold is acceptable SG11202001299XA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201762549629P 2017-08-24 2017-08-24
PCT/IB2018/056399 WO2019038716A1 (en) 2017-08-24 2018-08-23 Method and device for determining whether or not a single use mold is acceptable

Publications (1)

Publication Number Publication Date
SG11202001299XA true SG11202001299XA (en) 2020-03-30

Family

ID=63638170

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202001299XA SG11202001299XA (en) 2017-08-24 2018-08-23 Method and device for determining whether or not a single use mold is acceptable

Country Status (4)

Country Link
US (1) US10933566B2 (en)
EP (1) EP3672789A1 (en)
SG (1) SG11202001299XA (en)
WO (1) WO2019038716A1 (en)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11170275A (en) 1997-12-17 1999-06-29 Topcon Corp Lens molding apparatus and tool
US20050264756A1 (en) 2004-05-14 2005-12-01 Powervision, Inc. Custom contact lens molding system and methods
EP1674822A1 (en) 2004-12-22 2006-06-28 Novartis AG Device and method for non-contact scanning of contact lens mold geometry
US20070002331A1 (en) * 2005-06-30 2007-01-04 Hall William J In line thickness measurement
US7416300B2 (en) * 2006-05-25 2008-08-26 Coopervision International Holding Company, Lp Measurement of lenses and lens molds using optical coherence tomography
CN102686972B (en) 2009-09-18 2015-04-08 卡尔蔡司Smt有限责任公司 Method of measuring a shape of an optical surface and interferometric measuring device
EP2488352B1 (en) 2009-10-16 2018-11-28 Novartis AG Process and apparatus for manufacturing an ophthalmic lens
KR102332215B1 (en) 2014-08-15 2021-11-26 지고 코포레이션 Optical evaluation of lenses and lens molds
JP6559773B2 (en) 2014-08-28 2019-08-14 ジョンソン・アンド・ジョンソン・ビジョン・ケア・インコーポレイテッドＪｏｈｎｓｏｎ ＆ Ｊｏｈｎｓｏｎ Ｖｉｓｉｏｎ Ｃａｒｅ， Ｉｎｃ． In-line inspection of ophthalmic instruments using automatic alignment system and interferometer

Also Published As

Publication number Publication date
US10933566B2 (en) 2021-03-02
WO2019038716A1 (en) 2019-02-28
EP3672789A1 (en) 2020-07-01
US20190134859A1 (en) 2019-05-09

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