ES8101749A1 - Procedimiento para la realizacion de un reflector optico , especialmente para proyector de automovil. - Google Patents

Procedimiento para la realizacion de un reflector optico , especialmente para proyector de automovil.

Info

Publication number
ES8101749A1
ES8101749A1 ES482375A ES482375A ES8101749A1 ES 8101749 A1 ES8101749 A1 ES 8101749A1 ES 482375 A ES482375 A ES 482375A ES 482375 A ES482375 A ES 482375A ES 8101749 A1 ES8101749 A1 ES 8101749A1
Authority
ES
Spain
Prior art keywords
injection moulding
mould
optical reflectors
plastics
flow
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
ES482375A
Other languages
English (en)
Other versions
ES482375A0 (es
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Societe de Signalisations Automobiles SEIMA
Original Assignee
Societe de Signalisations Automobiles 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 Societe de Signalisations Automobiles SEIMA filed Critical Societe de Signalisations Automobiles SEIMA
Publication of ES482375A0 publication Critical patent/ES482375A0/es
Publication of ES8101749A1 publication Critical patent/ES8101749A1/es
Expired legal-status Critical Current

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)

Abstract

PROCEDIMIENTO PARA LA REALIZACION DE UN REFLECTOR OPTICO. CONSISTE EN INYECTAR EN UN MOLDE UNA PRIMERA MATERIA PLASTICA, CUYO VOLUMEN NO CORRESPONDE MAS QUE A UNA PARTE DEL VOLUMEN DEL MOLDE, HACIENDO FLUIR LA MATERIA PLASTICA, BAJO LA FORMA DE UNA PIEL, CONTRA LAS PAREDES DEL MOLDE POR INYECCION INMEDIATA DE UNA SEGUNDA MATERIA PLASTICA QUE, EMPUJANDO O RECHAZANDO A LA PRIMERA MATERIA, SE ALOJA ENTRE ALS DOS PIELES FORMADAS POR DICHA PRIMERA MATERIA CONTRA LAS PAREDES DEL MOLDE. LA SEGUNDA MATERIA ESTA CONSTITUIDA POR PARTICULAS MINERALES.
ES482375A 1978-07-25 1979-07-10 Procedimiento para la realizacion de un reflector optico , especialmente para proyector de automovil. Expired ES8101749A1 (es)

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
ES482375A0 ES482375A0 (es) 1980-12-01
ES8101749A1 true ES8101749A1 (es) 1980-12-01

Family

ID=9211158

Family Applications (1)

Application Number Title Priority Date Filing Date
ES482375A Expired ES8101749A1 (es) 1978-07-25 1979-07-10 Procedimiento para la realizacion de un reflector optico , especialmente para proyector de automovil.

Country Status (6)

Country Link
DE (1) DE2928582C2 (es)
ES (1) ES8101749A1 (es)
FR (1) FR2432137A1 (es)
GB (1) GB2025838A (es)
IT (1) IT1121915B (es)
PT (1) PT69866A (es)

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
WO2011161241A1 (en) * 2010-06-25 2011-12-29 Dsm Ip Assets B.V. Assembly of polymeric parts
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
GB2025838A (en) 1980-01-30
ES482375A0 (es) 1980-12-01
PT69866A (fr) 1979-08-01
DE2928582C2 (de) 1987-02-19
IT7923836A0 (it) 1979-06-25
FR2432137A1 (fr) 1980-02-22
IT1121915B (it) 1986-04-23
DE2928582A1 (de) 1980-02-07
FR2432137B1 (es) 1985-05-03

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19971001