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BR7902929A - PROCESS FOR THE PRODUCTION OF LENSES AND OPTICAL MEDIA PRODUCED FROM SYNTHETIC RESINS - Google Patents

PROCESS FOR THE PRODUCTION OF LENSES AND OPTICAL MEDIA PRODUCED FROM SYNTHETIC RESINS

Info

Publication number
BR7902929A
BR7902929A BR7902929A BR7902929A BR7902929A BR 7902929 A BR7902929 A BR 7902929A BR 7902929 A BR7902929 A BR 7902929A BR 7902929 A BR7902929 A BR 7902929A BR 7902929 A BR7902929 A BR 7902929A
Authority
BR
Brazil
Prior art keywords
lenses
production
optical media
synthetic resins
media produced
Prior art date
Application number
BR7902929A
Other languages
Portuguese (pt)
Inventor
G Padoan
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 BR7902929A publication Critical patent/BR7902929A/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00Producing optical elements, e.g. lenses or prisms
    • B29D11/00009Production of simple or compound lenses
    • B29D11/00413Production 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00Moulds or cores; Details thereof or accessories therefor
    • B29C33/0038Moulds or cores; Details thereof or accessories therefor with sealing means or the like
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/04Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
    • G02B1/041Lenses
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/76Office equipment or accessories
    • B29L2031/7602Maps

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)
BR7902929A 1978-05-12 1979-05-11 PROCESS FOR THE PRODUCTION OF LENSES AND OPTICAL MEDIA PRODUCED FROM SYNTHETIC RESINS BR7902929A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT23319/78A IT1094754B (en) 1978-05-12 1978-05-12 PROCESS FOR THE MANUFACTURE BY CONTINUOUS COMPENSATION CASTING OF LENSES OR OPTICAL MEDIA IN POLYMERIZABLE SYNTHETIC RESINS

Publications (1)

Publication Number Publication Date
BR7902929A true BR7902929A (en) 1979-12-04

Family

ID=11206027

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7902929A BR7902929A (en) 1978-05-12 1979-05-11 PROCESS FOR THE PRODUCTION OF LENSES AND OPTICAL MEDIA PRODUCED FROM SYNTHETIC RESINS

Country Status (22)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1191569B (en) * 1986-02-28 1988-03-23 Nuova Sil Spa MOLD FOR THE PRODUCTION THROUGH CASTING OF ORGANIC LENSES
WO2000018567A1 (en) * 1998-09-30 2000-04-06 Novartis Ag Lens mold carriers
US6511311B1 (en) 1998-09-30 2003-01-28 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 (en) * 1955-12-30 1958-11-13 Combined Optical Ind Ltd Method and apparatus for molding lenses and other precision optical elements
FR1204627A (en) * 1958-04-25 1960-01-27 Lentilles Ophtalmiques Special Improvements in the manufacture of optical and ophthalmic lenses in thermosetting synthetic resins
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 (en) * 1973-01-25 1981-05-14 Transformatoren Union Ag, 7000 Stuttgart Plant for the production of castings from synthetic resin in the die casting process
DE2312934C3 (en) * 1973-03-15 1980-01-24 Et. Dentaire Ivoclar, Schaan (Liechtenstein) Method and device for the production of dental prostheses made of plastic
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
ATA334779A (en) 1990-03-15
IT1094754B (en) 1985-08-02
NO162009C (en) 1989-10-25
IT7823319A0 (en) 1978-05-12
SE7904019L (en) 1979-11-13
SE432219B (en) 1984-03-26
LU81249A1 (en) 1979-09-10
CA1135913A (en) 1982-11-23
FR2425314B1 (en) 1984-01-13
DE2954548C2 (en) 1992-07-23
IE791245L (en) 1979-11-12
FR2425314A1 (en) 1979-12-07
CH641402A5 (en) 1984-02-29
JPS54149765A (en) 1979-11-24
AT391296B (en) 1990-09-10
DE2918323A1 (en) 1979-12-06
DK162590C (en) 1992-04-06
MX151517A (en) 1984-12-10
DK195179A (en) 1979-11-13
IE48438B1 (en) 1985-01-23
AU4703279A (en) 1979-11-29
ES480497A1 (en) 1979-12-16
AU526381B2 (en) 1983-01-06
GB2021474A (en) 1979-12-05
BE876149A (en) 1979-09-03
NO162009B (en) 1989-07-17
IL57252A0 (en) 1979-09-30
GB2021474B (en) 1982-08-11
HK73587A (en) 1987-10-16
NO791516L (en) 1979-11-13
GR67597B (en) 1981-08-31
NL7903713A (en) 1979-11-14
DK162590B (en) 1991-11-18

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