DE2418247C3 - Geteilte Gießform für Mehrkomponentenkunststoffe, insbesondere Polyurethane - Google Patents

Geteilte Gießform für Mehrkomponentenkunststoffe, insbesondere Polyurethane

Info

Publication number
DE2418247C3
DE2418247C3 DE2418247A DE2418247A DE2418247C3 DE 2418247 C3 DE2418247 C3 DE 2418247C3 DE 2418247 A DE2418247 A DE 2418247A DE 2418247 A DE2418247 A DE 2418247A DE 2418247 C3 DE2418247 C3 DE 2418247C3
Authority
DE
Germany
Prior art keywords
space
mold
blind
sprue
split mold
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
DE2418247A
Other languages
German (de)
English (en)
Other versions
DE2418247B2 (de
DE2418247A1 (de
Inventor
Helmut Clausen
Rudolf Dr.-Ing. 8000 Muenchen Ernst
Fritz W. Schneider
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
Priority to DE2418247A priority Critical patent/DE2418247C3/de
Priority to US05/566,692 priority patent/US4012025A/en
Priority to FR7511457A priority patent/FR2267192B3/fr
Publication of DE2418247A1 publication Critical patent/DE2418247A1/de
Publication of DE2418247B2 publication Critical patent/DE2418247B2/de
Application granted granted Critical
Publication of DE2418247C3 publication Critical patent/DE2418247C3/de
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)
DE2418247A 1974-04-13 1974-04-13 Geteilte Gießform für Mehrkomponentenkunststoffe, insbesondere Polyurethane Expired DE2418247C3 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE2418247A DE2418247C3 (de) 1974-04-13 1974-04-13 Geteilte Gießform für Mehrkomponentenkunststoffe, insbesondere Polyurethane
US05/566,692 US4012025A (en) 1974-04-13 1975-04-10 Mold for plastics, particularly multi-component plastics injection mold having blind channel
FR7511457A FR2267192B3 (https=) 1974-04-13 1975-04-11

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 (3)

Publication Number Publication Date
DE2418247A1 DE2418247A1 (de) 1975-10-30
DE2418247B2 DE2418247B2 (de) 1978-03-23
DE2418247C3 true DE2418247C3 (de) 1978-11-23

Family

ID=5913024

Family Applications (1)

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

Country Status (3)

Country Link
US (1) US4012025A (https=)
DE (1) DE2418247C3 (https=)
FR (1) FR2267192B3 (https=)

Families Citing this family (9)

* 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
CA2306092C (en) * 1997-10-14 2002-05-07 The Penn State Research Foundation Method and apparatus for controlling flow orientation in a runner for controlled mold filling
JP2000345865A (ja) * 1999-06-07 2000-12-12 Mitsubishi Electric Corp 空気流量制御装置用スロットルバルブ
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
FR2987308B1 (fr) * 2012-02-23 2016-05-13 Snecma Procede de fabrication d'une piece composite par injection de resine dans un outillage, et dispositif comportant cet outillage
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

Also Published As

Publication number Publication date
US4012025A (en) 1977-03-15
DE2418247B2 (de) 1978-03-23
FR2267192A1 (https=) 1975-11-07
DE2418247A1 (de) 1975-10-30
FR2267192B3 (https=) 1978-10-06

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
8327 Change in the person/name/address of the patent owner

Owner name: ELASTOGRAN MASCHINENBAU GMBH, 2844 LEMFOERDE, DE

8339 Ceased/non-payment of the annual fee