IE48438B1 - A process for producing lenses or other optical means - Google Patents

A process for producing lenses or other optical means

Info

Publication number
IE48438B1
IE48438B1 IE1245/79A IE124579A IE48438B1 IE 48438 B1 IE48438 B1 IE 48438B1 IE 1245/79 A IE1245/79 A IE 1245/79A IE 124579 A IE124579 A IE 124579A IE 48438 B1 IE48438 B1 IE 48438B1
Authority
IE
Ireland
Prior art keywords
monomer
mold
sleeve
mold halves
reservoir
Prior art date
Application number
IE1245/79A
Other languages
English (en)
Other versions
IE791245L (en
Original Assignee
Italiana Lenti
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 filed Critical Italiana Lenti
Publication of IE791245L publication Critical patent/IE791245L/xx
Publication of IE48438B1 publication Critical patent/IE48438B1/en

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
IE1245/79A 1978-05-12 1979-08-08 A process for producing lenses or other optical means IE48438B1 (en)

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 (2)

Publication Number Publication Date
IE791245L IE791245L (en) 1979-11-12
IE48438B1 true IE48438B1 (en) 1985-01-23

Family

ID=11206027

Family Applications (1)

Application Number Title Priority Date Filing Date
IE1245/79A IE48438B1 (en) 1978-05-12 1979-08-08 A process for producing lenses or other optical means

Country Status (22)

Country Link
JP (1) JPS54149765A (xx)
AT (1) AT391296B (xx)
AU (1) AU526381B2 (xx)
BE (1) BE876149A (xx)
BR (1) BR7902929A (xx)
CA (1) CA1135913A (xx)
CH (1) CH641402A5 (xx)
DE (2) DE2954548C2 (xx)
DK (1) DK162590C (xx)
ES (1) ES480497A1 (xx)
FR (1) FR2425314A1 (xx)
GB (1) GB2021474B (xx)
GR (1) GR67597B (xx)
HK (1) HK73587A (xx)
IE (1) IE48438B1 (xx)
IL (1) IL57252A0 (xx)
IT (1) IT1094754B (xx)
LU (1) LU81249A1 (xx)
MX (1) MX151517A (xx)
NL (1) NL7903713A (xx)
NO (1) NO162009C (xx)
SE (1) SE432219B (xx)

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
US6511311B1 (en) 1998-09-30 2003-01-28 Novartis Ag Lens mold carriers
EP1117523B1 (en) * 1998-09-30 2002-12-11 Novartis AG Lens mold carriers

Family Cites Families (8)

* 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
US3171869A (en) * 1959-12-07 1965-03-02 Bausch & Lomb Process for manufacturing curved optical articles
US3251908A (en) * 1962-12-05 1966-05-17 Computing Devices Canada Method and apparatus for making a curved surface
DE2303551C3 (de) * 1973-01-25 1981-05-14 Transformatoren Union Ag, 7000 Stuttgart Anlage zum Herstellen von Gießlingen aus Kunstharz im Druckgießverfahren
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
US4008031A (en) * 1975-08-22 1977-02-15 Weber Hermann P Apparatus for injection molding lenses

Also Published As

Publication number Publication date
HK73587A (en) 1987-10-16
CA1135913A (en) 1982-11-23
AT391296B (de) 1990-09-10
DE2918323A1 (de) 1979-12-06
NO791516L (no) 1979-11-13
AU4703279A (en) 1979-11-29
DK195179A (da) 1979-11-13
LU81249A1 (fr) 1979-09-10
IT7823319A0 (it) 1978-05-12
IT1094754B (it) 1985-08-02
GB2021474A (en) 1979-12-05
DK162590C (da) 1992-04-06
FR2425314B1 (xx) 1984-01-13
NO162009B (no) 1989-07-17
SE432219B (sv) 1984-03-26
SE7904019L (sv) 1979-11-13
CH641402A5 (it) 1984-02-29
IE791245L (en) 1979-11-12
AU526381B2 (en) 1983-01-06
DE2954548C2 (xx) 1992-07-23
BE876149A (fr) 1979-09-03
IL57252A0 (en) 1979-09-30
BR7902929A (pt) 1979-12-04
FR2425314A1 (fr) 1979-12-07
NL7903713A (nl) 1979-11-14
ATA334779A (de) 1990-03-15
JPS54149765A (en) 1979-11-24
ES480497A1 (es) 1979-12-16
GR67597B (xx) 1981-08-31
MX151517A (es) 1984-12-10
NO162009C (no) 1989-10-25
GB2021474B (en) 1982-08-11
DK162590B (da) 1991-11-18

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Legal Events

Date Code Title Description
MM4A Patent lapsed