GB1508707A - Apparatus for making a foamed plastics material - Google Patents

Apparatus for making a foamed plastics material

Info

Publication number
GB1508707A
GB1508707A GB11415/76A GB1141576A GB1508707A GB 1508707 A GB1508707 A GB 1508707A GB 11415/76 A GB11415/76 A GB 11415/76A GB 1141576 A GB1141576 A GB 1141576A GB 1508707 A GB1508707 A GB 1508707A
Authority
GB
United Kingdom
Prior art keywords
gas
passageway
chamber
conduit means
pump
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
GB11415/76A
Other languages
English (en)
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.)
Ex-Cell-O Corp
Original Assignee
Ex-Cell-O Corp
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 Ex-Cell-O Corp filed Critical Ex-Cell-O Corp
Publication of GB1508707A publication Critical patent/GB1508707A/en
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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/3442—Mixing, kneading or conveying the foamable material
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/36—Feeding the material to be shaped
    • B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
    • B29C44/42—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length using pressure difference, e.g. by injection or by vacuum
    • B29C44/424—Details of machines
    • 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
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/83—Injection molding of polyolefin-type foam

Landscapes

  • Injection Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
GB11415/76A 1975-06-02 1976-03-22 Apparatus for making a foamed plastics material Expired GB1508707A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/582,631 US4043715A (en) 1975-06-02 1975-06-02 Pumped injection of gas for making foamed plastic

Publications (1)

Publication Number Publication Date
GB1508707A true GB1508707A (en) 1978-04-26

Family

ID=24329886

Family Applications (1)

Application Number Title Priority Date Filing Date
GB11415/76A Expired GB1508707A (en) 1975-06-02 1976-03-22 Apparatus for making a foamed plastics material

Country Status (7)

Country Link
US (1) US4043715A (cg-RX-API-DMAC7.html)
JP (1) JPS528077A (cg-RX-API-DMAC7.html)
CA (1) CA1081417A (cg-RX-API-DMAC7.html)
CH (1) CH603337A5 (cg-RX-API-DMAC7.html)
DE (1) DE2622001A1 (cg-RX-API-DMAC7.html)
FR (1) FR2313197A1 (cg-RX-API-DMAC7.html)
GB (1) GB1508707A (cg-RX-API-DMAC7.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101293394B (zh) * 2007-04-23 2010-06-09 李飞宇 一种提高生产效率的注塑成型工艺及装置

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4211523A (en) * 1978-11-29 1980-07-08 Hoover Universal, Inc. Gas-flow control apparatus for equipment for producing foamed plastic
DE3020122C2 (de) * 1980-05-27 1984-04-26 Battenfeld Maschinenfabriken Gmbh, 5882 Meinerzhagen Schaltungsanordung zum Zudosieren von gasförmigen oder flüssigen Stoffen, insbesondere physikalischen Treibmitteln, in eine fließfähige Schmelze aus thermoplastischem Kunststoff
US4390332A (en) * 1981-07-06 1983-06-28 Kmmco Structural Foam, Inc. Apparatus for injection molding of parts from foam plastics material and/or from solid plastics material
US4470938A (en) * 1982-08-27 1984-09-11 Mobil Oil Corporation Method and apparatus for extrusion of thermoplastic foam
GB2139548B (en) * 1983-05-11 1986-11-19 James Watson Hendry Injection moulding
US4935191A (en) * 1986-10-16 1990-06-19 Thomas W. Johnson Process of insection molding with pressurized gas assist
US5055272A (en) * 1989-01-13 1991-10-08 Sealed Air Corporation Method for producing polyurethane foam and apparatus therefor
US5118720A (en) * 1989-01-13 1992-06-02 Sealed Air Corporation Method for producing polyurethane foam and apparatus therefor
US5514310A (en) * 1994-03-25 1996-05-07 Sander; Daniel G. Method of foaming prior to injection molding
EP1024938B1 (en) * 1997-04-02 2004-08-11 Coraltech Limited Gas introduction
DE19848151C2 (de) * 1998-10-20 2002-09-19 Battenfeld Gmbh Verfahren und Vorrichtung zum Spritzgießen von Kunststoff-Formteilen aus thermoplastischem Kunststoff
US6926507B2 (en) * 2000-03-07 2005-08-09 Trexel, Inc. Blowing agent delivery system
EP1293319A4 (en) * 2000-05-31 2006-05-24 Asahi Chemical Ind INJECTION MOLDING PROCESS
US6602063B1 (en) 2000-07-21 2003-08-05 Trexel, Inc. Discontinuous blowing agent delivery system and method
US6616434B1 (en) 2000-08-10 2003-09-09 Trexel, Inc. Blowing agent metering system
DE10043238B4 (de) * 2000-09-02 2007-02-08 Battenfeld Gmbh Vorrichtung und Verfahren zum Kühlen von Granulat
DE10056650B4 (de) * 2000-11-09 2006-01-05 Demag Ergotech Gmbh Verfahren und Vorrichtung zur Zuführung von Fluiden in eine viskose Masse
DE10062659B4 (de) * 2000-12-15 2005-09-22 Demag Ergotech Gmbh Aufschäummittelbeladungs- und Mischvorrichtung
US7144532B2 (en) * 2002-10-28 2006-12-05 Trexel, Inc. Blowing agent introduction systems and methods
TW200821125A (en) * 2006-08-23 2008-05-16 Sulzer Chemtech Ag A metering device
FR2913363B1 (fr) * 2007-03-07 2009-06-05 Inoplast Sa Dispositif de moulage de pieces en matiere plastique, comportant un dispositif d'alimentation du moule
EP2601034B1 (en) * 2010-08-05 2018-07-25 Ford Global Technologies, LLC Foamed resin injection molding method
US20120224977A1 (en) * 2011-03-04 2012-09-06 Sotz Leonard C Method and Apparatus for Fluid Pumping
JP5833326B2 (ja) * 2011-03-24 2015-12-16 日立造船株式会社 噴射装置
DE102011105764B4 (de) * 2011-06-24 2014-11-20 Wittmann Battenfeld Gmbh Vorrichtung zum Spritzgießen von Kunststoff-Formteilen aus thermoplastischem Kunststoff
DE102011105765B4 (de) * 2011-06-24 2014-11-20 Wittmann Battenfeld Gmbh Verfahren zum Spritzgießen von Kunststoff-Formteilen aus thermoplastischem Kunststoff
US9758613B2 (en) * 2012-04-30 2017-09-12 Covestro Deutschland Ag Method for producing foamed molded bodies
KR101607361B1 (ko) * 2012-12-12 2016-03-30 (주)엘지하우시스 고분자 역류 방지부를 갖는 고분자 성형 장치
EP3473334B1 (en) * 2015-02-05 2022-01-05 Sunstar Engineering Inc. Method for mixing gas into high-viscosity material and apparatus for the same
JP6748511B2 (ja) * 2016-08-05 2020-09-02 サンスター技研株式会社 ペースト材料とガスとの混合装置及び方法
AT521196B1 (de) * 2018-04-25 2021-01-15 Engel Austria Gmbh Mischvorrichtung zur Erzeugung einer mit Treibmittel beladenen Kunststoffschmelze

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1081583A (fr) * 1952-07-26 1954-12-21 Isoleringsaktiebolaget W M B Dispositif pour la production de corps poreux en matières thermoplastiques
FR1299590A (fr) * 1961-06-09 1962-07-27 Fabrication de matériaux cellulaires par injection de bulles d'air ou d'autres gaz dans une matière et détente de ces bulles par différence de pression
US3523988A (en) * 1965-03-22 1970-08-11 Zbislaw M Roehr Method of making large celled plastic materials with integral skins
US3391051A (en) * 1965-04-19 1968-07-02 Bell & Richardson Inc De Thermoplastic foam sheet material and apparatus for the manufacture thereof
DE1629807B1 (de) * 1965-07-10 1971-02-25 Union Carbide Corp Verfahren und vorrichtung zum herstellen von gegenstaenden mit schaumstruktur aus thermoplastischem material
US3461498A (en) * 1966-11-30 1969-08-19 Scott Paper Co Pressure injection apparatus
US3607596A (en) * 1968-07-10 1971-09-21 Fmc Corp Cellular article
DE1964748B2 (de) * 1969-12-24 1973-12-13 Chemische Werke Huels Ag, 4370 Marl Verfahren zum Herstellen thermo plastischer Schaumkunststoff Form korper nach dem Spritzgießverfahren
US3697204A (en) * 1970-05-07 1972-10-10 Usm Corp Apparatus for injection molding articles of foam material
JPS5213866Y2 (cg-RX-API-DMAC7.html) * 1971-03-03 1977-03-29
DE2161742A1 (de) * 1971-12-13 1973-06-14 Burghardt Krebber Verfahren und vorrichtung zum einbringen von gasfoermigen oder fluessigen medien in plastifizierte massen, insb. kunststoffmassen
JPS5111659B2 (cg-RX-API-DMAC7.html) * 1972-05-30 1976-04-13
GB1485587A (en) * 1974-01-22 1977-09-14 Furukawa Electric Co Ltd Process of producing a foamed thermoplastics resin articl
US3975473A (en) * 1974-09-12 1976-08-17 Union Carbide Corporation Process for production of cellular thermoplastic bodies

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101293394B (zh) * 2007-04-23 2010-06-09 李飞宇 一种提高生产效率的注塑成型工艺及装置

Also Published As

Publication number Publication date
CA1081417A (en) 1980-07-15
DE2622001A1 (de) 1976-12-16
FR2313197B1 (cg-RX-API-DMAC7.html) 1980-10-24
US4043715A (en) 1977-08-23
JPS528077A (en) 1977-01-21
FR2313197A1 (fr) 1976-12-31
CH603337A5 (cg-RX-API-DMAC7.html) 1978-08-15
JPS5545018B2 (cg-RX-API-DMAC7.html) 1980-11-15

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee