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
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)
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)
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)
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 |
-
1988
- 1988-12-12 FR FR8816307A patent/FR2640189B1/fr not_active Expired - Lifetime
-
1989
- 1989-12-07 DE DE3940436A patent/DE3940436C2/de not_active Expired - Fee Related
- 1989-12-07 IT IT04863489A patent/IT1237237B/it active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
DE3940436C2 (de) | 1998-04-09 |
FR2640189A1 (fr) | 1990-06-15 |
DE3940436A1 (de) | 1990-06-13 |
IT8948634A0 (it) | 1989-12-07 |
FR2640189B1 (fr) | 1991-01-18 |
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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 |