BE753438A - Procede de double prise d'empreinte pour la fabrication de lentilles ouverres ophtalmiques - Google Patents

Procede de double prise d'empreinte pour la fabrication de lentilles ouverres ophtalmiques

Info

Publication number
BE753438A
BE753438A BE753438DA BE753438A BE 753438 A BE753438 A BE 753438A BE 753438D A BE753438D A BE 753438DA BE 753438 A BE753438 A BE 753438A
Authority
BE
Belgium
Prior art keywords
ophthalmic
manufacture
taking process
double impression
lenses
Prior art date
Application number
Other languages
English (en)
Inventor
J O Beattie
Original Assignee
J O Beattie Lab 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 J O Beattie Lab Inc filed Critical J O Beattie Lab Inc
Publication of BE753438A publication Critical patent/BE753438A/fr

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
    • B29D11/00009—Production of simple or compound lenses
    • B29D11/0048—Moulds for lenses
    • B29D11/00519—Reusable moulds
    • 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
    • B29D11/00432—Auxiliary operations, e.g. machines for filling the moulds
    • 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
    • B29D11/00528—Consisting of two mould halves joined by an annular gasket
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
    • G02B1/041—Lenses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2101/00—Use of unspecified macromolecular compounds as moulding material
    • B29K2101/10—Thermosetting resins

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
BE753438D 1969-07-15 1970-07-14 Procede de double prise d'empreinte pour la fabrication de lentilles ouverres ophtalmiques BE753438A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US84191669A 1969-07-15 1969-07-15

Publications (1)

Publication Number Publication Date
BE753438A true BE753438A (fr) 1971-01-14

Family

ID=25286036

Family Applications (1)

Application Number Title Priority Date Filing Date
BE753438D BE753438A (fr) 1969-07-15 1970-07-14 Procede de double prise d'empreinte pour la fabrication de lentilles ouverres ophtalmiques

Country Status (4)

Country Link
BE (1) BE753438A (fr)
DE (1) DE2029119A1 (fr)
FR (1) FR2055088A5 (fr)
GB (1) GB1317006A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2610029B2 (ja) * 1987-12-28 1997-05-14 ソニー株式会社 成形型の製造方法
ES2108208T3 (es) * 1988-11-02 1997-12-16 British Tech Group Moldeado por vaciado y envasado de lentes de contacto.
US5573108A (en) * 1988-11-02 1996-11-12 British Technology Group Ltd. Disposable contact lens package

Also Published As

Publication number Publication date
GB1317006A (en) 1973-05-16
FR2055088A5 (fr) 1971-05-07
DE2029119A1 (de) 1971-01-28

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