DE2918323A1 - Verfahren zur herstellung von linsen o.dgl. - Google Patents

Verfahren zur herstellung von linsen o.dgl.

Info

Publication number
DE2918323A1
DE2918323A1 DE19792918323 DE2918323A DE2918323A1 DE 2918323 A1 DE2918323 A1 DE 2918323A1 DE 19792918323 DE19792918323 DE 19792918323 DE 2918323 A DE2918323 A DE 2918323A DE 2918323 A1 DE2918323 A1 DE 2918323A1
Authority
DE
Germany
Prior art keywords
monomer
same
catalyzed
monomers
lenses
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.)
Ceased
Application number
DE19792918323
Other languages
German (de)
English (en)
Inventor
Giorgia Maria Padoan
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.)
ITALIANA LENTI
Italiana Lenti Sil-SRL Soc
Original Assignee
ITALIANA LENTI
Italiana Lenti Sil-SRL Soc
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 ITALIANA LENTI, Italiana Lenti Sil-SRL Soc filed Critical ITALIANA LENTI
Publication of DE2918323A1 publication Critical patent/DE2918323A1/de
Ceased legal-status Critical Current

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
    • B29D11/00413—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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/0038—Moulds or cores; Details thereof or accessories therefor with sealing means or the like
    • 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
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/76—Office equipment or accessories
    • B29L2031/7602—Maps

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Ophthalmology & Optometry (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • Optics & Photonics (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Lenses (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
DE19792918323 1978-05-12 1979-05-07 Verfahren zur herstellung von linsen o.dgl. Ceased DE2918323A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT23319/78A IT1094754B (it) 1978-05-12 1978-05-12 Procedimento per la fabbricazione tramite colata a compensazione continua di lenti o mezzi ottici in resine sintetiche polimerizzabili

Publications (1)

Publication Number Publication Date
DE2918323A1 true DE2918323A1 (de) 1979-12-06

Family

ID=11206027

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19792918323 Ceased DE2918323A1 (de) 1978-05-12 1979-05-07 Verfahren zur herstellung von linsen o.dgl.
DE2954548A Expired - Fee Related DE2954548C2 (OSRAM) 1978-05-12 1979-05-07

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE2954548A Expired - Fee Related DE2954548C2 (OSRAM) 1978-05-12 1979-05-07

Country Status (22)

Country Link
JP (1) JPS54149765A (OSRAM)
AT (1) AT391296B (OSRAM)
AU (1) AU526381B2 (OSRAM)
BE (1) BE876149A (OSRAM)
BR (1) BR7902929A (OSRAM)
CA (1) CA1135913A (OSRAM)
CH (1) CH641402A5 (OSRAM)
DE (2) DE2918323A1 (OSRAM)
DK (1) DK162590C (OSRAM)
ES (1) ES480497A1 (OSRAM)
FR (1) FR2425314A1 (OSRAM)
GB (1) GB2021474B (OSRAM)
GR (1) GR67597B (OSRAM)
HK (1) HK73587A (OSRAM)
IE (1) IE48438B1 (OSRAM)
IL (1) IL57252A0 (OSRAM)
IT (1) IT1094754B (OSRAM)
LU (1) LU81249A1 (OSRAM)
MX (1) MX151517A (OSRAM)
NL (1) NL7903713A (OSRAM)
NO (1) NO162009C (OSRAM)
SE (1) SE432219B (OSRAM)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1191569B (it) * 1986-02-28 1988-03-23 Nuova Sil Spa Stampo per la produzione mediante colata di lenti organiche
ATE229427T1 (de) * 1998-09-30 2002-12-15 Novartis Erfind Verwalt Gmbh Träger für linsenformen
US6511311B1 (en) 1998-09-30 2003-01-28 Novartis Ag Lens mold carriers

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3171869A (en) * 1959-12-07 1965-03-02 Bausch & Lomb Process for manufacturing curved optical articles
DE2303551A1 (de) * 1973-01-25 1974-08-01 Transformatoren Union Ag Formanordnung zur herstellung von giesslingen aus kunstharz im druckgelierverfahren
US4008031A (en) * 1975-08-22 1977-02-15 Weber Hermann P Apparatus for injection molding lenses

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1166582A (fr) * 1955-12-30 1958-11-13 Combined Optical Ind Ltd Procédé et appareil de moulage de lentilles et autres éléments optiques de précision
FR1204627A (fr) * 1958-04-25 1960-01-27 Lentilles Ophtalmiques Special Perfectionnements à la fabrication de lentilles optiques et ophtalmiques en résinesynthétique thermodurcissable
US3251908A (en) * 1962-12-05 1966-05-17 Computing Devices Canada Method and apparatus for making a curved surface
DE2312934C3 (de) * 1973-03-15 1980-01-24 Et. Dentaire Ivoclar, Schaan (Liechtenstein) Verfahren und Vorrichtung zur Herstellung von Dentalprothesen aus Kunststoff
GB1511901A (en) * 1974-05-06 1978-05-24 Bausch & Lomb Forming lenses and lens blanks

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3171869A (en) * 1959-12-07 1965-03-02 Bausch & Lomb Process for manufacturing curved optical articles
DE2303551A1 (de) * 1973-01-25 1974-08-01 Transformatoren Union Ag Formanordnung zur herstellung von giesslingen aus kunstharz im druckgelierverfahren
US4008031A (en) * 1975-08-22 1977-02-15 Weber Hermann P Apparatus for injection molding lenses

Also Published As

Publication number Publication date
AU4703279A (en) 1979-11-29
BR7902929A (pt) 1979-12-04
GR67597B (OSRAM) 1981-08-31
IE48438B1 (en) 1985-01-23
SE432219B (sv) 1984-03-26
NO791516L (no) 1979-11-13
FR2425314B1 (OSRAM) 1984-01-13
CA1135913A (en) 1982-11-23
CH641402A5 (it) 1984-02-29
IT1094754B (it) 1985-08-02
GB2021474A (en) 1979-12-05
BE876149A (fr) 1979-09-03
ES480497A1 (es) 1979-12-16
JPS54149765A (en) 1979-11-24
NO162009C (no) 1989-10-25
SE7904019L (sv) 1979-11-13
AU526381B2 (en) 1983-01-06
MX151517A (es) 1984-12-10
HK73587A (en) 1987-10-16
NL7903713A (nl) 1979-11-14
NO162009B (no) 1989-07-17
FR2425314A1 (fr) 1979-12-07
IE791245L (en) 1979-11-12
DE2954548C2 (OSRAM) 1992-07-23
IT7823319A0 (it) 1978-05-12
GB2021474B (en) 1982-08-11
DK195179A (da) 1979-11-13
LU81249A1 (fr) 1979-09-10
DK162590B (da) 1991-11-18
ATA334779A (de) 1990-03-15
AT391296B (de) 1990-09-10
DK162590C (da) 1992-04-06
IL57252A0 (en) 1979-09-30

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