IT1121915B - Procedimento,per la realizzazione di riflettore ottico e particolarmente per proiettore d'automobile e macchina per la sua messa in opera - Google Patents

Procedimento,per la realizzazione di riflettore ottico e particolarmente per proiettore d'automobile e macchina per la sua messa in opera

Info

Publication number
IT1121915B
IT1121915B IT23836/79A IT2383679A IT1121915B IT 1121915 B IT1121915 B IT 1121915B IT 23836/79 A IT23836/79 A IT 23836/79A IT 2383679 A IT2383679 A IT 2383679A IT 1121915 B IT1121915 B IT 1121915B
Authority
IT
Italy
Prior art keywords
car
implementation
procedure
installation
optical reflector
Prior art date
Application number
IT23836/79A
Other languages
English (en)
Italian (it)
Other versions
IT7923836A0 (it
Original Assignee
Seima
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 Seima filed Critical Seima
Publication of IT7923836A0 publication Critical patent/IT7923836A0/it
Application granted granted Critical
Publication of IT1121915B publication Critical patent/IT1121915B/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
    • B29C45/1603—Multi-way nozzles specially adapted therefor
    • B29C45/1604—Multi-way nozzles specially adapted therefor using a valve urged by the injection pressure
    • 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
    • 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/16—Fillers
    • 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)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Optical Elements Other Than Lenses (AREA)
IT23836/79A 1978-07-25 1979-06-25 Procedimento,per la realizzazione di riflettore ottico e particolarmente per proiettore d'automobile e macchina per la sua messa in opera IT1121915B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7822028A FR2432137A1 (fr) 1978-07-25 1978-07-25 Procede pour la realisation de reflecteur optique et notamment pour projecteur d'automobile et machine pour sa mise en oeuvre

Publications (2)

Publication Number Publication Date
IT7923836A0 IT7923836A0 (it) 1979-06-25
IT1121915B true IT1121915B (it) 1986-04-23

Family

ID=9211158

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23836/79A IT1121915B (it) 1978-07-25 1979-06-25 Procedimento,per la realizzazione di riflettore ottico e particolarmente per proiettore d'automobile e macchina per la sua messa in opera

Country Status (6)

Country Link
DE (1) DE2928582C2 (fr)
ES (1) ES482375A0 (fr)
FR (1) FR2432137A1 (fr)
GB (1) GB2025838A (fr)
IT (1) IT1121915B (fr)
PT (1) PT69866A (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3009823A1 (de) * 1980-03-14 1981-09-24 Robert Bosch Gmbh, 7000 Stuttgart Scheinwerfer oder leuchte fuer kraftfahrzeuge
FR2529507A1 (fr) * 1982-07-05 1984-01-06 Cibie Projecteurs Procede de fabrication d'un article en forme par injection-moulage et article obtenu
FR2563147B1 (fr) * 1984-04-19 1986-08-01 Cibie Projecteurs Procede et dispositif d'injection de pieces en matieres plastiques, et pieces obtenues par la mise en oeuvre du procede
FR2572989B1 (fr) * 1984-11-13 1987-01-09 Signal Vision Sa Reflecteur realise par injections consecutives de deux matieres thermoplastiques
GB8503695D0 (en) * 1985-02-13 1985-03-13 Bp Chem Int Ltd Sandwich mouldings
FR2579128B3 (fr) * 1985-03-25 1987-07-10 Cibie Projecteurs Procede de realisation d'un reflecteur pour projecteur, notamment de vehicule automobile, par injection moulage-bi-matiere; moule pour la mise en oeuvre de ce procede et produit obtenu
DE3614191A1 (de) * 1985-06-27 1987-01-08 Man Technologie Gmbh Verfahren zur bildung einer oberflaeche hoher guete auf einem bauteil
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
US5186537A (en) * 1987-12-07 1993-02-16 Dai-Ichi Seiko Co., Ltd. Illumination device
FR2631883B1 (fr) * 1988-05-27 1990-08-24 Neiman Sa Procede et dispositif d'injection d'au moins deux matieres constituant un reflecteur et reflecteur ainsi obtenu
FR2640189B1 (fr) * 1988-12-12 1991-01-18 Cibie Projecteurs Procede de fabrication d'un reflecteur thermoplastique et reflecteur ainsi obtenu
DE4401813A1 (de) * 1994-01-22 1995-07-27 Hella Kg Hueck & Co Hochwärmebelastbare Formteile
DE4404604A1 (de) * 1994-02-14 1995-08-17 Hella Kg Hueck & Co Verfahren zur Herstellung von Reflektoren aus Kunststoff für Beleuchtungsvorrichtungen
AT1126U1 (de) * 1995-07-17 1996-11-25 Engel Gmbh Maschbau Verfahren zum pressen von kunststoff
FR2811607A1 (fr) * 2000-07-12 2002-01-18 Menzolit Procede pour fabriquer des pieces par injection d'au moins deux materiaux polymeriques differents et utilisation de ces pieces
EP2585269B1 (fr) * 2010-06-25 2017-09-27 DSM IP Assets B.V. Assemblage de pièces polymères et son procédé de fabrication
CN106094078A (zh) * 2016-06-15 2016-11-09 深圳市昂特尔太阳能投资有限公司 一种注塑双曲面反射镜及其注塑方法
KR102502637B1 (ko) * 2018-05-14 2023-02-22 미쓰이 가가쿠 가부시키가이샤 에피설파이드계 광학재료용 모노머의 몰드 자동 주입방법

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1028053B (de) * 1955-01-28 1958-04-17 Westfaelische Metall Industrie Scheinwerfer-Reflektorspiegel
DE1177326B (de) * 1956-09-07 1964-09-03 Pierre Perisse Verfahren zur Herstellung von aus thermoplastischen Kunststoffen bestehenden kuenstlichen Blumenblaettern und Vorrichtung zur Durchfuehrung dieses Verfahrens
DE1472515A1 (de) * 1965-10-29 1969-02-13 Licentia Gmbh Hohlspiegel aus Kunststoff
DE2103885B2 (de) * 1971-01-28 1974-05-30 Imperial Chemical Industries Ltd., London Verfahren und Vorrichtung zur Herstellung von Spritzgußgegenständen aus zwei unterschiedlichen Kunststoffmaterialien
GB1398076A (en) * 1971-09-24 1975-06-18 Lucas Electrical Co Ltd Headlamp spot lamp or fog lamp reflectors
FR2280858A2 (fr) * 1973-09-04 1976-02-27 Sev Marchal Reflecteur en deux elements assembles

Also Published As

Publication number Publication date
PT69866A (fr) 1979-08-01
GB2025838A (en) 1980-01-30
FR2432137B1 (fr) 1985-05-03
DE2928582A1 (de) 1980-02-07
ES8101749A1 (es) 1980-12-01
ES482375A0 (es) 1980-12-01
DE2928582C2 (de) 1987-02-19
IT7923836A0 (it) 1979-06-25
FR2432137A1 (fr) 1980-02-22

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Legal Events

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

Effective date: 19950608