IT1237237B - Procedimento di fabbricazione di un riflettore termoplastico e riflettore cosi' ottenuto. - Google Patents

Procedimento di fabbricazione di un riflettore termoplastico e riflettore cosi' ottenuto.

Info

Publication number
IT1237237B
IT1237237B IT04863489A IT4863489A IT1237237B IT 1237237 B IT1237237 B IT 1237237B IT 04863489 A IT04863489 A IT 04863489A IT 4863489 A IT4863489 A IT 4863489A IT 1237237 B IT1237237 B IT 1237237B
Authority
IT
Italy
Prior art keywords
reflector
thermoplastic
manufacturing procedure
procedure
manufacturing
Prior art date
Application number
IT04863489A
Other languages
English (en)
Other versions
IT8948634A0 (it
Original Assignee
Valeo Vision
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 Valeo Vision filed Critical Valeo Vision
Publication of IT8948634A0 publication Critical patent/IT8948634A0/it
Application granted granted Critical
Publication of IT1237237B publication Critical patent/IT1237237B/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
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1642—Making multilayered or multicoloured articles having a "sandwich" structure
    • B29C45/1643—Making multilayered or multicoloured articles having a "sandwich" structure from at least three different materials or with at least four layers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/37—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors characterised by their material, surface treatment or coatings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
    • F21V7/24—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by the material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
    • F21V7/28—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by coatings
    • 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
    • B29L2011/0083—Reflectors

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
IT04863489A 1988-12-12 1989-12-07 Procedimento di fabbricazione di un riflettore termoplastico e riflettore cosi' ottenuto. IT1237237B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8816307A FR2640189B1 (fr) 1988-12-12 1988-12-12 Procede de fabrication d'un reflecteur thermoplastique et reflecteur ainsi obtenu

Publications (2)

Publication Number Publication Date
IT8948634A0 IT8948634A0 (it) 1989-12-07
IT1237237B true IT1237237B (it) 1993-05-27

Family

ID=9372828

Family Applications (1)

Application Number Title Priority Date Filing Date
IT04863489A IT1237237B (it) 1988-12-12 1989-12-07 Procedimento di fabbricazione di un riflettore termoplastico e riflettore cosi' ottenuto.

Country Status (3)

Country Link
DE (1) DE3940436C2 (it)
FR (1) FR2640189B1 (it)
IT (1) IT1237237B (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3804536A1 (de) * 1988-02-13 1989-08-24 Bayer Ag Zweikomponentenspritzguss mit polyarylensulfiden
DE9319190U1 (de) * 1993-12-14 1994-02-10 Ems-Inventa AG, Zürich Formteil mit resistenter Oberfläche
DE4401813A1 (de) * 1994-01-22 1995-07-27 Hella Kg Hueck & Co Hochwärmebelastbare Formteile
US5798162A (en) * 1996-09-04 1998-08-25 The Dow Chemical Company Composites of crystalline polymers
JP2000085457A (ja) * 1998-09-18 2000-03-28 Koito Mfg Co Ltd 車両用灯具
DE19907508A1 (de) * 1999-02-22 2000-08-24 Hench Gmbh H Rohrförmiges Spritzgußteil für Reinigungsgeräte
WO2013079555A1 (de) 2011-11-30 2013-06-06 Bayer Intellectual Property Gmbh Formkörper mit hoher oberflächengüte
DE102021125674A1 (de) 2021-10-04 2023-04-06 HELLA GmbH & Co. KGaA Simultanes Mehrkomponenten-Spritzgießen für Kraftfahrzeugscheinwerfer

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4052497A (en) * 1973-09-21 1977-10-04 Billion S.A. Method of injection-moulding by injection of an article composed of at least three different materials
FR2432137A1 (fr) * 1978-07-25 1980-02-22 Seima Procede pour la realisation de reflecteur optique et notamment pour projecteur d'automobile et machine pour sa mise en oeuvre
JPS60168618A (ja) * 1984-02-14 1985-09-02 Ube Ind Ltd 熱可塑性樹脂厚肉成形品の製造方法
JPS6137404A (ja) * 1984-07-31 1986-02-22 Nissei Ee S B Kikai Kk 多層有底パリソンの射出成形方法
FR2622501B1 (fr) * 1987-10-29 1990-01-05 Cibie Projecteurs Procede de moulage par injection de matiere thermoplastique, composition a mouler pour realiser un objet a structure multicouche et objet ainsi realise, notamment corps de reflecteur

Also Published As

Publication number Publication date
FR2640189B1 (fr) 1991-01-18
DE3940436C2 (de) 1998-04-09
DE3940436A1 (de) 1990-06-13
FR2640189A1 (fr) 1990-06-15
IT8948634A0 (it) 1989-12-07

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19981231