FR2273646B1 - - Google Patents

Info

Publication number
FR2273646B1
FR2273646B1 FR7419840A FR7419840A FR2273646B1 FR 2273646 B1 FR2273646 B1 FR 2273646B1 FR 7419840 A FR7419840 A FR 7419840A FR 7419840 A FR7419840 A FR 7419840A FR 2273646 B1 FR2273646 B1 FR 2273646B1
Authority
FR
France
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
FR7419840A
Other versions
FR2273646A1 (fr
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.)
Engins Matra SA
Original Assignee
Engins Matra SA
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 Engins Matra SA filed Critical Engins Matra SA
Priority to FR7419840A priority Critical patent/FR2273646A1/fr
Publication of FR2273646A1 publication Critical patent/FR2273646A1/fr
Application granted granted Critical
Publication of FR2273646B1 publication Critical patent/FR2273646B1/fr
Granted 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
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/27—Sprue channels ; Runner channels or runner nozzles
    • B29C45/2756—Cold runner channels
    • 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
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/27—Sprue channels ; Runner channels or runner nozzles
    • B29C45/28—Closure devices therefor
    • B29C45/2806—Closure devices therefor consisting of needle valve systems
    • 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
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/27—Sprue channels ; Runner channels or runner nozzles
    • B29C45/28—Closure devices therefor
    • B29C45/2806—Closure devices therefor consisting of needle valve systems
    • B29C2045/2858—Materials or coatings therefor
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
FR7419840A 1974-06-07 1974-06-07 Perfectionnements apportes aux procedes et dispositifs pour l'injection de resine ou autre produit polymerisable Granted FR2273646A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7419840A FR2273646A1 (fr) 1974-06-07 1974-06-07 Perfectionnements apportes aux procedes et dispositifs pour l'injection de resine ou autre produit polymerisable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7419840A FR2273646A1 (fr) 1974-06-07 1974-06-07 Perfectionnements apportes aux procedes et dispositifs pour l'injection de resine ou autre produit polymerisable

Publications (2)

Publication Number Publication Date
FR2273646A1 FR2273646A1 (fr) 1976-01-02
FR2273646B1 true FR2273646B1 (fr) 1976-12-24

Family

ID=9139791

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7419840A Granted FR2273646A1 (fr) 1974-06-07 1974-06-07 Perfectionnements apportes aux procedes et dispositifs pour l'injection de resine ou autre produit polymerisable

Country Status (1)

Country Link
FR (1) FR2273646A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4245976A (en) * 1977-07-11 1981-01-20 The General Tire & Rubber Company Nozzle valve for in-the-mold coating apparatus
BG28748A1 (en) * 1979-05-07 1980-12-12 Mateev Apparatus for runnerless casting under presure of polymer articles
DE3227186A1 (de) * 1982-07-21 1984-01-26 Menzolit-Werke Albert Schmidt Gmbh & Co Kg, 7527 Kraichtal Einspritzkopf, insbesondere zum aufbringen einer beschichtung auf flaechige werkstuecke
FR2624050B1 (fr) * 1987-12-04 1990-03-23 Stratinor Buse a aiguille perfectionnee
FR2640907B1 (fr) * 1988-12-22 1991-03-08 Seva
DE19836506A1 (de) * 1998-08-12 2000-03-02 Bayer Ag Heißkanaldüse mit Verschlußnadel aus Keramik
US7134868B2 (en) 2003-11-26 2006-11-14 Mold-Masters Limited Injection molding nozzle with wear-resistant tip having diamond-type coating
JP4603869B2 (ja) * 2004-12-15 2010-12-22 フィーサ株式会社 バルブノズル

Also Published As

Publication number Publication date
FR2273646A1 (fr) 1976-01-02

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Legal Events

Date Code Title Description
CL Concession to grant licenses
CD Change of name or company name
TP Transmission of property
ST Notification of lapse