BE599592A - Perfectionnements à la fabrication des lentilles - Google Patents

Perfectionnements à la fabrication des lentilles

Info

Publication number
BE599592A
BE599592A BE599592A BE599592A BE599592A BE 599592 A BE599592 A BE 599592A BE 599592 A BE599592 A BE 599592A BE 599592 A BE599592 A BE 599592A BE 599592 A BE599592 A BE 599592A
Authority
BE
Belgium
Prior art keywords
lens manufacturing
manufacturing improvements
lens
manufacturing
Prior art date
Application number
BE599592A
Other languages
English (en)
Original Assignee
Combined Optical Ind Ltd
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 Combined Optical Ind Ltd filed Critical Combined Optical Ind Ltd
Publication of BE599592A publication Critical patent/BE599592A/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
    • B29D11/00528—Consisting of two mould halves joined by an annular gasket
    • 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
    • B29D11/00413—Production of simple or compound lenses made by moulding between two mould parts which are not in direct contact with one another, e.g. comprising a seal between or on the edges
    • 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
    • B29C31/00—Handling, e.g. feeding of the material to be shaped, storage of plastics material before moulding; Automation, i.e. automated handling lines in plastics processing plants, e.g. using manipulators or robots

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Lens Barrels (AREA)
BE599592A 1960-01-27 1961-01-27 Perfectionnements à la fabrication des lentilles BE599592A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB297360A GB916377A (en) 1960-01-27 1960-01-27 Improvements in or relating to the manufacture of lenses

Publications (1)

Publication Number Publication Date
BE599592A true BE599592A (fr) 1961-05-16

Family

ID=9749527

Family Applications (1)

Application Number Title Priority Date Filing Date
BE599592A BE599592A (fr) 1960-01-27 1961-01-27 Perfectionnements à la fabrication des lentilles

Country Status (2)

Country Link
BE (1) BE599592A (fr)
GB (1) GB916377A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3422168A (en) * 1964-12-01 1969-01-14 Ppg Industries Inc Process of casting resinous lenses in thermoplastic cast replica molds
US4191717A (en) * 1977-05-13 1980-03-04 Weber Hermann P Casting process for plastic lenses
DE3117474A1 (de) * 1981-05-02 1982-11-18 Fa. Carl Zeiss, 7920 Heidenheim Verfahren und vorrichtung zum herstellen von formteilen mit asphaerischen oberflaechen
FR2530182A1 (fr) * 1982-07-16 1984-01-20 Essilor Int Dispositif de moulage, notamment pour element optique, par exemple lentille ophtalmique
GB8601967D0 (en) * 1986-01-28 1986-03-05 Coopervision Optics Manufacturing contact lenses
FR2600278B1 (fr) * 1986-06-23 1989-03-10 Boucher Gerard Traitement de surface des moules en aciers speciaux de pieces optiques de precision

Also Published As

Publication number Publication date
GB916377A (en) 1963-01-23

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