IT1191569B - Stampo per la produzione mediante colata di lenti organiche - Google Patents

Stampo per la produzione mediante colata di lenti organiche

Info

Publication number
IT1191569B
IT1191569B IT84108/86A IT8410886A IT1191569B IT 1191569 B IT1191569 B IT 1191569B IT 84108/86 A IT84108/86 A IT 84108/86A IT 8410886 A IT8410886 A IT 8410886A IT 1191569 B IT1191569 B IT 1191569B
Authority
IT
Italy
Prior art keywords
casting
mold
production
organic lenses
lenses
Prior art date
Application number
IT84108/86A
Other languages
English (en)
Other versions
IT8684108A0 (it
Inventor
Giorgio Maria Padoan
Original Assignee
Nuova Sil Spa
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 Nuova Sil Spa filed Critical Nuova Sil Spa
Priority to IT84108/86A priority Critical patent/IT1191569B/it
Publication of IT8684108A0 publication Critical patent/IT8684108A0/it
Priority to IL81659A priority patent/IL81659A0/xx
Priority to PCT/EP1987/000106 priority patent/WO1987005260A1/en
Priority to AU71220/87A priority patent/AU7122087A/en
Priority to EP87901460A priority patent/EP0258354A1/en
Priority to EP87102654A priority patent/EP0234567A1/en
Priority to PT84361A priority patent/PT84361B/pt
Application granted granted Critical
Publication of IT1191569B publication Critical patent/IT1191569B/it

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
    • 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
    • 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
    • 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
    • B29D11/00538—Feeding arrangements
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
IT84108/86A 1986-02-28 1986-02-28 Stampo per la produzione mediante colata di lenti organiche IT1191569B (it)

Priority Applications (7)

Application Number Priority Date Filing Date Title
IT84108/86A IT1191569B (it) 1986-02-28 1986-02-28 Stampo per la produzione mediante colata di lenti organiche
IL81659A IL81659A0 (en) 1986-02-28 1987-02-24 Mould for producing lenses from organic materials
PCT/EP1987/000106 WO1987005260A1 (en) 1986-02-28 1987-02-25 Mould for producing organic lenses by casting
AU71220/87A AU7122087A (en) 1986-02-28 1987-02-25 Mould for producing organic lenses by casting
EP87901460A EP0258354A1 (en) 1986-02-28 1987-02-25 Mould for producing organic lenses by casting
EP87102654A EP0234567A1 (en) 1986-02-28 1987-02-25 Mould for producing organic lenses by casting
PT84361A PT84361B (pt) 1986-02-28 1987-02-25 Molde para a producao de lentes organicas por moldagem

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT84108/86A IT1191569B (it) 1986-02-28 1986-02-28 Stampo per la produzione mediante colata di lenti organiche

Publications (2)

Publication Number Publication Date
IT8684108A0 IT8684108A0 (it) 1986-02-28
IT1191569B true IT1191569B (it) 1988-03-23

Family

ID=11324095

Family Applications (1)

Application Number Title Priority Date Filing Date
IT84108/86A IT1191569B (it) 1986-02-28 1986-02-28 Stampo per la produzione mediante colata di lenti organiche

Country Status (6)

Country Link
EP (2) EP0258354A1 (it)
AU (1) AU7122087A (it)
IL (1) IL81659A0 (it)
IT (1) IT1191569B (it)
PT (1) PT84361B (it)
WO (1) WO1987005260A1 (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0466189B1 (en) * 1990-07-12 2000-10-11 Canon Kabushiki Kaisha X-ray mask structure, preparation thereof and X-ray exposure method
US5607733A (en) * 1990-07-12 1997-03-04 Canon Kabushiki Kaisha Process for preparing an X-ray mask structure
JPWO2010098466A1 (ja) * 2009-02-27 2012-09-06 Hoya株式会社 成形型およびプラスチックレンズの製造方法
WO2016208584A1 (ja) 2015-06-22 2016-12-29 東海光学株式会社 眼鏡レンズ製造システム
EP3312663A4 (en) * 2015-07-24 2019-03-06 Tokai Optical Co., Ltd. SYSTEM FOR MANUFACTURING GLASSES OF EYEWEAR

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR973216A (fr) * 1941-07-21 1951-02-08 Procédé pour l'obtention de pièces optiques ou autres moulées en matières organiques transparentes
US3211811A (en) * 1964-06-29 1965-10-12 Armorlite Leus Company Inc Method and apparatus for casting thermosetting plastic lenses
IT1094754B (it) * 1978-05-12 1985-08-02 Italiana Lenti S I L S R L Soc Procedimento per la fabbricazione tramite colata a compensazione continua di lenti o mezzi ottici in resine sintetiche polimerizzabili
JPS56135029A (en) * 1980-03-25 1981-10-22 Asahi Glass Co Ltd Molding of plastic lens
JPS571721A (en) * 1980-06-06 1982-01-06 Asahi Glass Co Ltd Molding method of plastic lens

Also Published As

Publication number Publication date
PT84361A (en) 1987-03-01
IT8684108A0 (it) 1986-02-28
EP0258354A1 (en) 1988-03-09
WO1987005260A1 (en) 1987-09-11
IL81659A0 (en) 1987-09-16
AU7122087A (en) 1987-09-28
EP0234567A1 (en) 1987-09-02
PT84361B (pt) 1989-10-04

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