IT8947990A0 - PROCEDURE AND DEVICE FOR INJECTING AT LEAST TWO MATERIALS CONSTITUTING A REFLECTOR, AND THE REFLECTOR THUS OBTAINED - Google Patents

PROCEDURE AND DEVICE FOR INJECTING AT LEAST TWO MATERIALS CONSTITUTING A REFLECTOR, AND THE REFLECTOR THUS OBTAINED

Info

Publication number
IT8947990A0
IT8947990A0 IT8947990A IT4799089A IT8947990A0 IT 8947990 A0 IT8947990 A0 IT 8947990A0 IT 8947990 A IT8947990 A IT 8947990A IT 4799089 A IT4799089 A IT 4799089A IT 8947990 A0 IT8947990 A0 IT 8947990A0
Authority
IT
Italy
Prior art keywords
reflector
injecting
procedure
materials constituting
constituting
Prior art date
Application number
IT8947990A
Other languages
Italian (it)
Other versions
IT1231689B (en
Inventor
Rene Le Creff
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 IT8947990A0 publication Critical patent/IT8947990A0/en
Application granted granted Critical
Publication of IT1231689B publication Critical patent/IT1231689B/en

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
    • 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
    • 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
    • B29C2045/1651—Independent injection runners or nozzles
    • 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
    • B29K2101/00—Use of unspecified macromolecular compounds as moulding material
    • B29K2101/10—Thermosetting resins
    • 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)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
IT8947990A 1988-05-27 1989-05-24 PROCEDURE AND DEVICE FOR INJECTING AT LEAST TWO MATERIALS CONSTITUTING A REFLECTOR, AND REFLECTOR SO OBTAINED IT1231689B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8807077A FR2631883B1 (en) 1988-05-27 1988-05-27 METHOD AND DEVICE FOR INJECTING AT LEAST TWO MATERIALS CONSTITUTING A REFLECTOR AND REFLECTOR THUS OBTAINED

Publications (2)

Publication Number Publication Date
IT8947990A0 true IT8947990A0 (en) 1989-05-24
IT1231689B IT1231689B (en) 1991-12-19

Family

ID=9366688

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8947990A IT1231689B (en) 1988-05-27 1989-05-24 PROCEDURE AND DEVICE FOR INJECTING AT LEAST TWO MATERIALS CONSTITUTING A REFLECTOR, AND REFLECTOR SO OBTAINED

Country Status (3)

Country Link
DE (1) DE3916674C2 (en)
FR (1) FR2631883B1 (en)
IT (1) IT1231689B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4022530C2 (en) * 1990-07-16 1993-10-21 Kloeckner Ferromatik Desma Nozzle for injection molding machines
DE4110445C2 (en) * 1991-03-26 1994-10-27 Mannesmann Ag Method and device for producing decor-coated plastic molded parts
DE29617531U1 (en) * 1996-10-14 1996-12-12 Battenfeld Gmbh, 58540 Meinerzhagen Exchange insert for a spray nozzle
US5972258A (en) * 1997-10-20 1999-10-26 Husky Injection Molding Systems Ltd. Method of using a multiple gating nozzle
FR2811607A1 (en) * 2000-07-12 2002-01-18 Menzolit PROCESS FOR MANUFACTURING PARTS BY INJECTION OF AT LEAST TWO DIFFERENT POLYMERIC MATERIALS AND USE THEREOF
DE10148116A1 (en) * 2001-09-28 2003-04-17 Framas Kunststofftechnik Gmbh Sole insert or front or rear cap for sports shoes are injection molded by a multi-component injection method for production of a core and a surrounding outer layer
DE102004049361A1 (en) * 2004-10-08 2006-04-13 Demag Ergotech Gmbh Injection molding machine with retrofittable injection unit and retrofit module for such an injection molding machine

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1305224A (en) * 1970-02-06 1973-01-31
DE2705291A1 (en) * 1977-02-09 1978-08-10 Schloemann Siemag Ag METHOD AND DEVICE FOR THE PRODUCTION OF MOLDED PARTS FROM THERMOPLASTIC PLASTIC
US4260360A (en) * 1978-06-26 1981-04-07 Mca Disco-Vision, Inc. Method and means for replicating centrally apertured video disc records
FR2432137A1 (en) * 1978-07-25 1980-02-22 Seima PROCESS FOR THE PRODUCTION OF AN OPTICAL REFLECTOR AND PARTICULARLY FOR A MOTOR VEHICLE PROJECTOR AND MACHINE FOR ITS IMPLEMENTATION
JPS6019515A (en) * 1983-07-14 1985-01-31 Sanko Kk Two-color molding of plastic products
JPS60174622A (en) * 1984-02-20 1985-09-07 Matsushita Electric Works Ltd Sandwich molding device
US4717324A (en) * 1986-05-12 1988-01-05 Husky Injection Molding Systems, Inc. Coinjection of hollow articles and preforms

Also Published As

Publication number Publication date
IT1231689B (en) 1991-12-19
FR2631883A1 (en) 1989-12-01
FR2631883B1 (en) 1990-08-24
DE3916674A1 (en) 1989-12-07
DE3916674C2 (en) 1998-02-12

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Legal Events

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970513