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FR2835467B1 - METHOD AND DEVICE FOR SEQUENTIALLY INJECTING A MOLDABLE MATERIAL IN THE FOOTPRINT OF A MOLD - Google Patents

METHOD AND DEVICE FOR SEQUENTIALLY INJECTING A MOLDABLE MATERIAL IN THE FOOTPRINT OF A MOLD

Info

Publication number
FR2835467B1
FR2835467B1 FR0201465A FR0201465A FR2835467B1 FR 2835467 B1 FR2835467 B1 FR 2835467B1 FR 0201465 A FR0201465 A FR 0201465A FR 0201465 A FR0201465 A FR 0201465A FR 2835467 B1 FR2835467 B1 FR 2835467B1
Authority
FR
France
Prior art keywords
footprint
mold
moldable material
sequentially injecting
injecting
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 - Fee Related
Application number
FR0201465A
Other languages
French (fr)
Other versions
FR2835467A1 (en
Inventor
Christophe Tendero
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.)
Renault SAS
Original Assignee
Renault SAS
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 Renault SAS filed Critical Renault SAS
Priority to FR0201465A priority Critical patent/FR2835467B1/en
Publication of FR2835467A1 publication Critical patent/FR2835467A1/en
Application granted granted Critical
Publication of FR2835467B1 publication Critical patent/FR2835467B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
    • 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
    • B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
    • B29C2045/0032—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks sequential injection from multiple gates, e.g. to avoid weld lines

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
FR0201465A 2002-02-07 2002-02-07 METHOD AND DEVICE FOR SEQUENTIALLY INJECTING A MOLDABLE MATERIAL IN THE FOOTPRINT OF A MOLD Expired - Fee Related FR2835467B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0201465A FR2835467B1 (en) 2002-02-07 2002-02-07 METHOD AND DEVICE FOR SEQUENTIALLY INJECTING A MOLDABLE MATERIAL IN THE FOOTPRINT OF A MOLD

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0201465A FR2835467B1 (en) 2002-02-07 2002-02-07 METHOD AND DEVICE FOR SEQUENTIALLY INJECTING A MOLDABLE MATERIAL IN THE FOOTPRINT OF A MOLD

Publications (2)

Publication Number Publication Date
FR2835467A1 FR2835467A1 (en) 2003-08-08
FR2835467B1 true FR2835467B1 (en) 2005-02-11

Family

ID=27619970

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0201465A Expired - Fee Related FR2835467B1 (en) 2002-02-07 2002-02-07 METHOD AND DEVICE FOR SEQUENTIALLY INJECTING A MOLDABLE MATERIAL IN THE FOOTPRINT OF A MOLD

Country Status (1)

Country Link
FR (1) FR2835467B1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8003800A (en) * 1980-07-01 1982-02-01 Stamicarbon METHOD AND APPARATUS FOR INJECTION MOLDING OF PLASTICS.
GB2136364B (en) * 1983-03-04 1987-01-28 Honda Motor Co Ltd Automobile wing
FR2775214B1 (en) * 1998-02-26 2000-05-05 Plastic Omnium Cie METHOD FOR PRODUCING A MOTOR VEHICLE BODY PIECE BY INJECTING PLASTIC MATERIAL, METHOD FOR SEQUENTIAL INJECTION OF PLASTIC MATERIAL, MOLD USED AND PART OBTAINED
JP2000254946A (en) * 1999-03-05 2000-09-19 Tohoku Munekata Co Ltd Injection mold

Also Published As

Publication number Publication date
FR2835467A1 (en) 2003-08-08

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse

Effective date: 20091030