IT990526B - Stampo di iniettofusione per la produzione di corpi a forma altamente polimerici in vetroce ramica - Google Patents

Stampo di iniettofusione per la produzione di corpi a forma altamente polimerici in vetroce ramica

Info

Publication number
IT990526B
IT990526B IT1996173A IT1996173A IT990526B IT 990526 B IT990526 B IT 990526B IT 1996173 A IT1996173 A IT 1996173A IT 1996173 A IT1996173 A IT 1996173A IT 990526 B IT990526 B IT 990526B
Authority
IT
Italy
Prior art keywords
ramic
glass
production
shaped bodies
highly polymeric
Prior art date
Application number
IT1996173A
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
Priority claimed from DE19722204830 external-priority patent/DE2204830C3/de
Application filed by Deutsche Spiegelglas Ag filed Critical Deutsche Spiegelglas Ag
Application granted granted Critical
Publication of IT990526B publication Critical patent/IT990526B/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
    • B29D11/00548—Moulds for lenses with surfaces formed by films
    • 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
    • B29C33/56—Coatings, e.g. enameled or galvanised; Releasing, lubricating or separating agents
    • 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
    • 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
    • B29K2705/00—Use of metals, their alloys or their compounds, for preformed parts, e.g. for inserts
    • 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)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Glass Compositions (AREA)
IT1996173A 1972-02-02 1973-02-02 Stampo di iniettofusione per la produzione di corpi a forma altamente polimerici in vetroce ramica IT990526B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722204830 DE2204830C3 (de) 1972-02-02 Spritzgießform zum Herstellen von Formkörpern aus Kunststoff

Publications (1)

Publication Number Publication Date
IT990526B true IT990526B (it) 1975-07-10

Family

ID=5834781

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1996173A IT990526B (it) 1972-02-02 1973-02-02 Stampo di iniettofusione per la produzione di corpi a forma altamente polimerici in vetroce ramica

Country Status (2)

Country Link
FR (1) FR2170220A1 (it)
IT (1) IT990526B (it)

Families Citing this family (7)

* 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
JPS62181118A (ja) * 1986-02-05 1987-08-08 Showa Denko Kk 成形用金型
DE3613334A1 (de) * 1986-04-19 1987-10-22 Kloeckner Ferromatik Desma Spritzgiessform zum spritzgiessen von informationstraegerplatten
DE3712128A1 (de) * 1987-04-10 1988-10-27 Opt Engineering Ag Formeinsatz mit kratzfester polierter formoberflaeche, insbesondere fuer giess- und spritzgiesswerkzeuge, und dessen verwendung bei der herstellung von kunststoffteilen, insbesondere solchen mit optischer oberflaechenqualitaet
JP2519985B2 (ja) * 1988-08-25 1996-07-31 ダイセル化学工業株式会社 射出成形用スタンパ
GB9210525D0 (en) * 1992-05-16 1992-07-01 British Aerospace Manufacture of articles from composite material
DE19610563A1 (de) * 1996-03-18 1997-09-25 Bodenseewerk Geraetetech Verfahren zum gegenseitigen Positionieren von Paaren gegenüberliegender formbestimmender Formwerkzeug-Teile und Formwerkzeug zur Herstellung von Präzisionsteilen, insbesondere von Kontaktlinsen

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2364745A (en) * 1940-02-16 1944-12-12 Gen Motors Corp Mold equipment

Also Published As

Publication number Publication date
DE2204830B2 (de) 1975-09-18
FR2170220B1 (it) 1977-07-22
DE2204830A1 (de) 1973-08-16
FR2170220A1 (en) 1973-09-14

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