IT1025328B - Procedimento per la fabbricazione di stampi di colata per la produzione di corpi sagomati in altopo limeri particolarmente lenti per cochiali o simili di material plastica - Google Patents

Procedimento per la fabbricazione di stampi di colata per la produzione di corpi sagomati in altopo limeri particolarmente lenti per cochiali o simili di material plastica

Info

Publication number
IT1025328B
IT1025328B IT2897174A IT2897174A IT1025328B IT 1025328 B IT1025328 B IT 1025328B IT 2897174 A IT2897174 A IT 2897174A IT 2897174 A IT2897174 A IT 2897174A IT 1025328 B IT1025328 B IT 1025328B
Authority
IT
Italy
Prior art keywords
limeri
altopo
glasses
manufacture
production
Prior art date
Application number
IT2897174A
Other languages
English (en)
Original Assignee
Deutsche Spiegelglas Ag
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 Deutsche Spiegelglas Ag filed Critical Deutsche Spiegelglas Ag
Application granted granted Critical
Publication of IT1025328B publication Critical patent/IT1025328B/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
    • B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
    • 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
    • B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
    • B29C33/40—Plastics, e.g. foam or rubber
    • B29C33/405—Elastomers, e.g. rubber
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/37—Mould cavity walls, i.e. the inner surface forming the mould cavity, e.g. linings
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2909/00—Use of inorganic materials not provided for in groups B29K2803/00 - B29K2807/00, as mould material
    • B29K2909/02—Ceramics
    • 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
    • B29L2011/00—Optical elements, e.g. lenses, prisms
    • B29L2011/0016—Lenses

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
IT2897174A 1973-11-02 1974-10-30 Procedimento per la fabbricazione di stampi di colata per la produzione di corpi sagomati in altopo limeri particolarmente lenti per cochiali o simili di material plastica IT1025328B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732354987 DE2354987C2 (de) 1973-11-02 1973-11-02 Gießform zur Fertigung von Kunststofflinsen mit optischer Oberflächenqualität sowie Vorrichtung zu ihrer Herstellung

Publications (1)

Publication Number Publication Date
IT1025328B true IT1025328B (it) 1978-08-10

Family

ID=5897126

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2897174A IT1025328B (it) 1973-11-02 1974-10-30 Procedimento per la fabbricazione di stampi di colata per la produzione di corpi sagomati in altopo limeri particolarmente lenti per cochiali o simili di material plastica

Country Status (4)

Country Link
DE (1) DE2354987C2 (it)
FR (1) FR2249755B1 (it)
GB (1) GB1463731A (it)
IT (1) IT1025328B (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3112751A1 (de) * 1981-03-31 1982-10-07 Fa. Carl Zeiss, 7920 Heidenheim Formwerkzeug zur herstellung von teilen aus thermoplastischem material
DE3613334A1 (de) * 1986-04-19 1987-10-22 Kloeckner Ferromatik Desma Spritzgiessform zum spritzgiessen von informationstraegerplatten
EP0377020A4 (en) * 1988-06-01 1991-04-24 Vision Science, Inc. Method and apparatus for manufacturing disposable optical molds
JP2871795B2 (ja) * 1990-03-13 1999-03-17 富士重工業株式会社 複合材部品成形型
US5141678A (en) * 1990-10-10 1992-08-25 Blum Ronald D Method for forming disposable molds for producing optical quality lenses
US20030164565A1 (en) * 2002-03-04 2003-09-04 O'brien Keith T. Method of fabricating an injection mold insert for molding lens molds

Also Published As

Publication number Publication date
DE2354987C2 (de) 1976-01-02
DE2354987B1 (de) 1975-04-30
GB1463731A (en) 1977-02-09
FR2249755A1 (it) 1975-05-30
FR2249755B1 (it) 1978-09-29

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