SE7811989L - Forfarande vid formsprutning av expanderbart plastmaterial - Google Patents

Forfarande vid formsprutning av expanderbart plastmaterial

Info

Publication number
SE7811989L
SE7811989L SE7811989A SE7811989A SE7811989L SE 7811989 L SE7811989 L SE 7811989L SE 7811989 A SE7811989 A SE 7811989A SE 7811989 A SE7811989 A SE 7811989A SE 7811989 L SE7811989 L SE 7811989L
Authority
SE
Sweden
Prior art keywords
injection
procedure
plastic material
expandable plastic
expandable
Prior art date
Application number
SE7811989A
Other languages
English (en)
Other versions
SE426923B (sv
Inventor
A Hayakawa
A Aiba
E Orihara
K Fukushima
Original Assignee
Usm 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 Usm Corp filed Critical Usm Corp
Publication of SE7811989L publication Critical patent/SE7811989L/sv
Publication of SE426923B publication Critical patent/SE426923B/sv

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
    • B29C44/3415—Heating or cooling
    • 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
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/08—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles using several expanding or moulding steps
    • B29C44/083—Increasing the size of the cavity after a first part has foamed, e.g. substituting one mould part with another
    • 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
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/10—Applying counter-pressure during expanding
    • B29C44/105—Applying counter-pressure during expanding the counterpressure being exerted by a fluid
    • 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
    • B29C44/58—Moulds
    • B29C44/586—Moulds with a cavity increasing in size during foaming
    • 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
    • Y10S264/05—Use of one or more blowing agents together
    • 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

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
SE7811989A 1977-12-14 1978-11-21 Forfarande vid formsprutning av expanderbart plastmaterial SE426923B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/860,317 US4133858A (en) 1977-12-14 1977-12-14 Injection foam molding process

Publications (2)

Publication Number Publication Date
SE7811989L true SE7811989L (sv) 1979-06-15
SE426923B SE426923B (sv) 1983-02-21

Family

ID=25332939

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7811989A SE426923B (sv) 1977-12-14 1978-11-21 Forfarande vid formsprutning av expanderbart plastmaterial

Country Status (18)

Country Link
US (1) US4133858A (sv)
JP (1) JPS5488969A (sv)
AR (1) AR219139A1 (sv)
BE (1) BE872721A (sv)
BR (1) BR7808136A (sv)
CA (1) CA1105219A (sv)
CH (1) CH634507A5 (sv)
DE (1) DE2850700A1 (sv)
DK (1) DK516278A (sv)
FI (1) FI783827A (sv)
FR (1) FR2411693A1 (sv)
GB (1) GB2010168B (sv)
HU (1) HU180099B (sv)
IT (1) IT1104575B (sv)
NL (1) NL7811893A (sv)
NO (1) NO783885L (sv)
SE (1) SE426923B (sv)
YU (1) YU285478A (sv)

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4390486A (en) * 1981-03-19 1983-06-28 Ex-Cell-O Corporation Method and apparatus for heating a mold cavity uniformly
JPS6115117U (ja) * 1984-07-02 1986-01-29 マツダ株式会社 プラスチツクのインモ−ルド成形装置
JPS6169421A (ja) * 1984-09-14 1986-04-10 Asahi Chem Ind Co Ltd 発泡成形体の成形方法
JPS61239916A (ja) * 1985-04-16 1986-10-25 Mitsubishi Plastics Ind Ltd 発泡射出成形方法
JPS62160216A (ja) * 1986-01-08 1987-07-16 Mazda Motor Corp インモ−ルドコ−ト方法及びその装置
FR2634157B1 (fr) * 1988-07-15 1991-07-26 Casati Francois Procede et dispositif pour fabriquer par moulage des objets rembourres
JPH0777739B2 (ja) * 1990-10-05 1995-08-23 住友化学工業株式会社 ポリプロピレン樹脂発泡成形体の成形方法
DE4038044A1 (de) * 1990-11-29 1992-06-04 Basf Ag Expandierbare styrolpolymerisate mit hoher expandierbarkeit
US5702810A (en) * 1992-03-10 1997-12-30 Mitsubishi Chemical Corporation Cushioning composite molded article and a process for production thereof
US5474723A (en) * 1992-04-17 1995-12-12 Horikoshi; Maki Method of forming a shaped article of resin using cavity enlargement to induce foaming
EP0692358A1 (en) 1994-06-24 1996-01-17 Corell Resin Technology B.V. Method for manufacturing a plastic board and a board obtained with this method
NL9401055A (nl) * 1994-06-24 1996-02-01 Corell Resin Technology Bv Werkwijze voor het vervaardigen van een kunststof blad, alsmede met die werkwijze verkregen blad.
JPH11509490A (ja) * 1995-07-18 1999-08-24 コーラルテック リミテッド 成形品
GB9514674D0 (en) * 1995-07-18 1995-09-13 Coraltech Ltd Injection moulded article
EP0765722A1 (en) * 1995-09-28 1997-04-02 Siebolt Hettinga Method for controlling skin thickness of plastic article made with controlled density
NL1004572C2 (nl) * 1996-11-20 1998-05-25 Corell Resin Technology Bv Werkwijze voor het vervaardigen van een monolitisch kunststof voorwerp, alsmede met die werkwijze verkregen voorwerp.
DE19742568A1 (de) * 1997-09-26 1999-04-01 Basf Ag Verfahren zur Herstellung feinzelliger Hartschaumstoffe auf Isocyanatbasis
DE19848151C2 (de) * 1998-10-20 2002-09-19 Battenfeld Gmbh Verfahren und Vorrichtung zum Spritzgießen von Kunststoff-Formteilen aus thermoplastischem Kunststoff
EP1621312A3 (en) * 2000-06-22 2009-09-30 Mitsui Chemicals, Inc. Thermoplastic resin foam product
KR20020061658A (ko) * 2001-01-17 2002-07-25 성 운 차 발포 사출품의 표면 품위 향상을 위한 압력 제어 금형
KR100465686B1 (ko) * 2001-12-19 2005-01-13 엘지전자 주식회사 초미세 발포 플라스틱 성형장치
KR100517596B1 (ko) * 2002-01-07 2005-09-28 엘지전자 주식회사 플라스틱 발포 사출 방법
JP4244809B2 (ja) 2002-02-28 2009-03-25 宇部興産機械株式会社 発泡射出成形方法
EP1393876A1 (de) * 2002-08-26 2004-03-03 Alcan Technology & Management Ltd. Verfahren zur Herstellung eines Schaumstoffkörpers aus einem thermoplastischen Kunststoff
NO318008B1 (no) * 2002-11-14 2005-01-17 Primefloor As Fremgangsmåte og anordning for fremstilling av platelegemer av plastmateriale, samt anvendelse derav
WO2006051794A1 (ja) * 2004-11-09 2006-05-18 Prime Polymer Co., Ltd. 射出発泡成形方法および射出発泡成形用金型
JP4569417B2 (ja) * 2005-08-23 2010-10-27 宇部興産機械株式会社 熱可塑性樹脂の射出発泡成形方法
JP4839728B2 (ja) * 2005-08-25 2011-12-21 宇部興産機械株式会社 熱可塑性樹脂の多層成形方法、及び多層成形装置
US20070052124A1 (en) * 2005-09-02 2007-03-08 Park Chul B Apparatus and method for advanced structural foam molding
US8517197B2 (en) 2006-07-19 2013-08-27 Du Pont-Mitsui Polychemicals Co., Ltd. Synthetic resin hollow body
DE102006039099B4 (de) * 2006-08-02 2008-07-17 MöllerTech GmbH Spritzgießverfahren zur Herstellung eines geschäumten Bauteils
CN101610887B (zh) * 2007-02-19 2013-07-24 迪亚布国际股份公司 动态模型工具
WO2009120850A2 (en) * 2008-03-26 2009-10-01 Delta Tooling Company Method of manufacture of a foamed core class "a" article
US7846533B2 (en) * 2008-03-26 2010-12-07 Hendrickson Usa, L.L.C. Molded thermoplastic articles
US8128394B2 (en) * 2008-03-26 2012-03-06 Delta Engineered Plastics Interchangeable mold tooling
JP5202173B2 (ja) * 2008-08-07 2013-06-05 テクノポリマー株式会社 樹脂発泡成形体の製造装置及び製造方法
JP5534571B2 (ja) * 2009-01-22 2014-07-02 河西工業株式会社 発泡樹脂成形品の成形方法並びに成形装置
JP5380112B2 (ja) * 2009-02-27 2014-01-08 株式会社プライムポリマー 射出発泡成形方法およびその装置
DE102011105775B4 (de) * 2011-06-24 2016-01-14 Wittmann Battenfeld Gmbh Verfahren zum Spritzgießen von Kunststoff-Formteilen aus thermoplastischem Kunststoff
US8889046B2 (en) * 2011-12-06 2014-11-18 International Business Machines Corporation Visual indication of improperly processed plastic parts
US8821772B2 (en) * 2012-06-19 2014-09-02 International Business Machines Corporation Fluorescent compounds for detecting use of proper plastic molding temperatures
CN103895146B (zh) * 2014-04-28 2016-03-30 北京化工大学 一种聚合物微孔发泡制品连续成型装置和方法
CN105835299B (zh) * 2016-04-27 2018-05-08 山东大学 一种高表面光泽高气泡致密度的微孔发泡注塑工艺与模具
US12049032B2 (en) 2020-03-20 2024-07-30 King Steel Machinery Co., Ltd. Injection molding method
US11780129B2 (en) 2020-03-20 2023-10-10 King Steel Machinery Co., Ltd. Molding method for operating molding device
CN113183390A (zh) * 2021-05-18 2021-07-30 鸿安（福建）机械有限公司 一种减少注塑产品内应力的高效微型注塑发泡机

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3268635A (en) * 1963-02-25 1966-08-23 Robert A Kraus Arrangement for forming foam plastic article
US3694529A (en) * 1970-04-02 1972-09-26 Allied Chem Method for molding articles
US3966372A (en) * 1973-05-28 1976-06-29 Asahi-Dow Limited Injection molding apparatus for forming a composite, foam-skin, article
DE2335310C3 (de) * 1973-07-11 1978-03-16 Asahi Dow Ltd. Verfahren zur Herstellung von Strukturschaumstoffen mit ungeschäumter Außenhaut und glatter und glänzender Oberfläche aus thermoplastischen Kunststoffen
US3960996A (en) * 1973-09-21 1976-06-01 Institut Po Metaloznanie I Technologia Na Metalite Method of injection molding a thermoplastic article having a cellular core and integral skin involving use of reclaimed material

Also Published As

Publication number Publication date
US4133858A (en) 1979-01-09
BR7808136A (pt) 1979-08-07
BE872721A (fr) 1979-03-30
CA1105219A (en) 1981-07-21
DK516278A (da) 1979-06-15
IT1104575B (it) 1985-10-21
FI783827A (fi) 1979-06-15
CH634507A5 (de) 1983-02-15
GB2010168A (en) 1979-06-27
FR2411693A1 (fr) 1979-07-13
JPS5488969A (en) 1979-07-14
YU285478A (en) 1982-06-30
HU180099B (en) 1983-01-28
FR2411693B3 (sv) 1981-10-02
IT7830805A0 (it) 1978-12-14
DE2850700A1 (de) 1979-06-21
NO783885L (no) 1979-06-15
SE426923B (sv) 1983-02-21
GB2010168B (en) 1982-02-10
NL7811893A (nl) 1979-06-18
AR219139A1 (es) 1980-07-31

Similar Documents

Publication Publication Date Title
SE7811989L (sv) Forfarande vid formsprutning av expanderbart plastmaterial
MX146093A (es) Composicion termoplastica mejorada de moldeo
SE409433B (sv) Anordning for tillverkning av skumplast
FI780929A (fi) Reglersystem vid en anlaeggning med roerlig suganordning foer sugning av suspenderbart material
SE431967B (sv) Tillslutningsanordning for forpackningsbehallare av plastmaterial
SE7710087L (sv) Forfarande for framstellning av tverbundna termoplastforemal
SE7803238L (sv) Behandling av strengsprutad termoplast
NO149954C (no) Kontinuerlig fremgangsmaate til fremstilling av gipsplater
SE7802651L (sv) Forbettringar vid strengsprutning av material
MX145503A (es) Composicion termoplastica mejorada de moldeo
SE7802646L (sv) Forfarande for framstellning av ihaliga kroppar av termoplast och anordning for dess genomforande
SE7708988L (sv) Forfarande for framstellning av cellplast
SE410021B (sv) Sjelvberande tak av plast
SE7808299L (sv) Sett vid framstellning av pigmenterat polymermaterial
MX146092A (es) Composicion termoplastica mejorada de moldeo
MX149740A (es) Composicion termoplastica mejorada de moldeo
SE418861B (sv) Pressmassa av termoplastmaterial
SE7714118L (sv) Net av plastmaterial
SE7803905L (sv) Stovel framstelld av formsprutat plastmaterial
FI780002A (fi) Anordning vid malapparater foer lignocellulosahaltigt material
SE7802137L (sv) Forfarande och anordning for framstellning av tverbundet termoplastmaterial
SE7801022L (sv) Platta av termoplastmaterial
FI781985A (fi) Foerbaettringar vid framstaellning av fibroest material
SE7610869L (sv) Flaska av plast
SE7813035L (sv) Bindning av termoplastmaterial