FR2267192A1 - - Google Patents

Info

Publication number
FR2267192A1
FR2267192A1 FR7511457A FR7511457A FR2267192A1 FR 2267192 A1 FR2267192 A1 FR 2267192A1 FR 7511457 A FR7511457 A FR 7511457A FR 7511457 A FR7511457 A FR 7511457A FR 2267192 A1 FR2267192 A1 FR 2267192A1
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.)
Granted
Application number
FR7511457A
Other languages
French (fr)
Other versions
FR2267192B3 (US07922777-20110412-C00004.png
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.)
Elastogran Machinenbau GmbH and Co
Original Assignee
Elastogran Machinenbau GmbH and Co
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 Elastogran Machinenbau GmbH and Co filed Critical Elastogran Machinenbau GmbH and Co
Publication of FR2267192A1 publication Critical patent/FR2267192A1/fr
Application granted granted Critical
Publication of FR2267192B3 publication Critical patent/FR2267192B3/fr
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
    • B29C45/0025—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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/0061—Moulds or cores; Details thereof or accessories therefor characterised by the configuration of the material feeding channel
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/0061—Moulds or cores; Details thereof or accessories therefor characterised by the configuration of the material feeding channel
    • B29C33/0072—Moulds or cores; Details thereof or accessories therefor characterised by the configuration of the material feeding channel with a configuration promoting turbulency, e.g. for after-mixing in the mould
    • 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
    • B29C45/2701—Details not specific to hot or 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
    • B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
    • B29C2045/0041—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks preventing initial material from entering the mould cavity
    • 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
    • B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/229—Injection mold runner valve

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
FR7511457A 1974-04-13 1975-04-11 Expired FR2267192B3 (US07922777-20110412-C00004.png)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2418247A DE2418247C3 (de) 1974-04-13 1974-04-13 Geteilte Gießform für Mehrkomponentenkunststoffe, insbesondere Polyurethane

Publications (2)

Publication Number Publication Date
FR2267192A1 true FR2267192A1 (US07922777-20110412-C00004.png) 1975-11-07
FR2267192B3 FR2267192B3 (US07922777-20110412-C00004.png) 1978-10-06

Family

ID=5913024

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7511457A Expired FR2267192B3 (US07922777-20110412-C00004.png) 1974-04-13 1975-04-11

Country Status (3)

Country Link
US (1) US4012025A (US07922777-20110412-C00004.png)
DE (1) DE2418247C3 (US07922777-20110412-C00004.png)
FR (1) FR2267192B3 (US07922777-20110412-C00004.png)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2794515A1 (fr) * 1999-06-07 2000-12-08 Mitsubishi Electric Corp Clapet d'etranglement pour un ensemble de commande de debit d'air
FR2987308A1 (fr) * 2012-02-23 2013-08-30 Snecma Procede de fabrication d'une piece composite par injection de resine dans un outillage, et dispositif comportant cet outillage

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2578209B2 (ja) * 1989-07-04 1997-02-05 株式会社東芝 樹脂封止タイプ半導体デバイス用樹脂封止装置
JP2788023B2 (ja) * 1995-11-29 1998-08-20 大日本印刷株式会社 射出成形同時絵付装置
AU9695398A (en) * 1997-10-14 1999-05-03 Penn State Research Foundation, The Method and apparatus for balancing the filling of injection molds
FR2809229B1 (fr) * 2000-05-22 2002-12-13 St Microelectronics Sa Moule d'injection anti-bavure d'un materiau d'encapsulation d'une puce de circuits integres
US20040214371A1 (en) * 2003-04-25 2004-10-28 Mahmood Syed Omar Syed System and method for conventional molding using a new design potblock
KR101800603B1 (ko) * 2013-03-14 2017-11-23 미쉐린 러쉐르슈 에 떼크니크 에스.에이. 오프-비율 물질을 분리시키기 위한 동심 채널을 구비한 게이트 설계
WO2014142916A1 (en) * 2013-03-14 2014-09-18 Compagnie Generale Des Establissements Michelin Gate design with plunging nozzle and a waste reservoir for separating off ratio material

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1652445A (en) * 1925-08-22 1927-12-13 Harry S Lee Heat control in castings
US2672653A (en) * 1952-03-26 1954-03-23 Essex Wire Corp Injection mold
US3120680A (en) * 1961-01-03 1964-02-11 Phillips Petroleum Co Mold selector valve
US3819313A (en) * 1970-04-02 1974-06-25 Allied Chem Apparatus for molding articles
AT307713B (de) * 1970-04-21 1973-06-12 Semperit Ag Selbsttätig verschließbarer Einspritzkanal
US3807921A (en) * 1972-03-13 1974-04-30 Phillips Petroleum Co Apparatus for manufacturing foamed plastic materials
US3799494A (en) * 1972-05-11 1974-03-26 Usm Corp Multi-cavity molds

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2794515A1 (fr) * 1999-06-07 2000-12-08 Mitsubishi Electric Corp Clapet d'etranglement pour un ensemble de commande de debit d'air
FR2987308A1 (fr) * 2012-02-23 2013-08-30 Snecma Procede de fabrication d'une piece composite par injection de resine dans un outillage, et dispositif comportant cet outillage

Also Published As

Publication number Publication date
US4012025A (en) 1977-03-15
DE2418247A1 (de) 1975-10-30
FR2267192B3 (US07922777-20110412-C00004.png) 1978-10-06
DE2418247B2 (de) 1978-03-23
DE2418247C3 (de) 1978-11-23

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