IT1393078B1 - Metodo per la produzione di lenti di presentazione. - Google Patents

Metodo per la produzione di lenti di presentazione.

Info

Publication number
IT1393078B1
IT1393078B1 ITMI2009A000080A ITMI20090080A IT1393078B1 IT 1393078 B1 IT1393078 B1 IT 1393078B1 IT MI2009A000080 A ITMI2009A000080 A IT MI2009A000080A IT MI20090080 A ITMI20090080 A IT MI20090080A IT 1393078 B1 IT1393078 B1 IT 1393078B1
Authority
IT
Italy
Prior art keywords
production
presentation lenses
lenses
presentation
Prior art date
Application number
ITMI2009A000080A
Other languages
English (en)
Inventor
Sergio Sanna
Bon Giovanni De
Original Assignee
Plastodidattica Commerciale S R L
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 Plastodidattica Commerciale S R L filed Critical Plastodidattica Commerciale S R L
Priority to ITMI2009A000080A priority Critical patent/IT1393078B1/it
Publication of ITMI20090080A1 publication Critical patent/ITMI20090080A1/it
Application granted granted Critical
Publication of IT1393078B1 publication Critical patent/IT1393078B1/it

Links

Classifications

    • 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
    • B29C45/0001—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor characterised by the choice of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B13/00—Conditioning or physical treatment of the material to be shaped
    • B29B13/06—Conditioning or physical treatment of the material to be shaped by drying
    • B29B13/065—Conditioning or physical treatment of the material to be shaped by drying of powder or pellets
    • 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
    • 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
    • B29C2045/0096—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor drying the moulding material before injection, e.g. by heating
    • 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
    • B29C45/40—Removing or ejecting moulded articles
    • B29C45/42—Removing or ejecting moulded articles using means movable from outside the mould between mould parts, e.g. robots
    • 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
    • B29C45/72—Heating or cooling
    • B29C45/73—Heating or cooling of the mould
    • 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
    • B29K2067/00—Use of polyesters or derivatives thereof, as moulding material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Glass Compositions (AREA)
ITMI2009A000080A 2009-01-26 2009-01-26 Metodo per la produzione di lenti di presentazione. IT1393078B1 (it)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ITMI2009A000080A IT1393078B1 (it) 2009-01-26 2009-01-26 Metodo per la produzione di lenti di presentazione.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI2009A000080A IT1393078B1 (it) 2009-01-26 2009-01-26 Metodo per la produzione di lenti di presentazione.

Publications (2)

Publication Number Publication Date
ITMI20090080A1 ITMI20090080A1 (it) 2010-07-27
IT1393078B1 true IT1393078B1 (it) 2012-04-11

Family

ID=41258731

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI2009A000080A IT1393078B1 (it) 2009-01-26 2009-01-26 Metodo per la produzione di lenti di presentazione.

Country Status (1)

Country Link
IT (1) IT1393078B1 (it)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0821979A (ja) * 1994-07-04 1996-01-23 Masahito Takeuchi 眼鏡用のデモレンズ素材及びそれを用いるデモレンズの製造方法
US5844654A (en) * 1997-05-28 1998-12-01 Shimadzu Corporation Biodegradable resin for forming spectacle-molded body and spectacle-molded body
JP2000015662A (ja) * 1998-07-06 2000-01-18 Canon Inc 成形装置の樹脂材料供給方法、成形品及び、成形装置、並びに、成形装置の樹脂材料供給装置
US6440335B1 (en) * 1998-12-30 2002-08-27 Sola International, Inc. Process for molding thermoplastic lenses and, steeply curved and/or thin lenses produced thereby
JP2001018266A (ja) * 1999-07-05 2001-01-23 Yushin Precision Equipment Co Ltd 射出成形品取出装置
US6416901B1 (en) * 1999-07-06 2002-07-09 Mitsubishi Chemical Corporation Electrochemical cell having an interface modifying component and associated fabrication process
JP2004338330A (ja) * 2003-05-19 2004-12-02 Koseki Ika Kk Ｐｅｔ樹脂成型加工品
ITPD20040037A1 (it) * 2004-02-16 2004-05-16 Plastic Systems Srl Processo di deumidificazione e di iniezione e stampaggio di materie plastiche in granuli ed impianto predisposto per operare secondo tale processo

Also Published As

Publication number Publication date
ITMI20090080A1 (it) 2010-07-27

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