SE426923B - Forfarande vid formsprutning av expanderbart plastmaterial - Google Patents

Forfarande vid formsprutning av expanderbart plastmaterial

Info

Publication number
SE426923B
SE426923B SE7811989A SE7811989A SE426923B SE 426923 B SE426923 B SE 426923B SE 7811989 A SE7811989 A SE 7811989A SE 7811989 A SE7811989 A SE 7811989A SE 426923 B SE426923 B SE 426923B
Authority
SE
Sweden
Prior art keywords
mold
plastic material
mixture
expansion
temperature
Prior art date
Application number
SE7811989A
Other languages
English (en)
Swedish (sv)
Other versions
SE7811989L (sv
Inventor
A Hayakawa
H 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/xx
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 SE7811989L (sv) 1979-06-15
SE426923B true 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 (de)
JP (1) JPS5488969A (de)
AR (1) AR219139A1 (de)
BE (1) BE872721A (de)
BR (1) BR7808136A (de)
CA (1) CA1105219A (de)
CH (1) CH634507A5 (de)
DE (1) DE2850700A1 (de)
DK (1) DK516278A (de)
FI (1) FI783827A (de)
FR (1) FR2411693A1 (de)
GB (1) GB2010168B (de)
HU (1) HU180099B (de)
IT (1) IT1104575B (de)
NL (1) NL7811893A (de)
NO (1) NO783885L (de)
SE (1) SE426923B (de)
YU (1) YU285478A (de)

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 (de) 1994-06-24 1996-01-17 Corell Resin Technology B.V. Verfahren zur Herstellung einer Kunstoffplatte und damit hergestellte Platte
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.
GB9514674D0 (en) * 1995-07-18 1995-09-13 Coraltech Ltd Injection moulded article
NZ313224A (en) * 1995-07-18 1999-09-29 Coraltech Ltd Moulded article
EP0765722A1 (de) * 1995-09-28 1997-04-02 Siebolt Hettinga Verfahren zum Kontrollieren der Dicke der Haut eines Kunststoffgegenstandes mit regelter Dichte
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
DE60117322T2 (de) * 2000-06-22 2006-11-02 Mitsui Chemicals, Inc. Verfahren, Vorrichtung und Zusammensetzung zum Spritzgiessen von Schaum
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
US7704423B2 (en) 2002-02-28 2010-04-27 Ube Machinery Corporation, Ltd. Method for expansion injection molding
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
CA2587223C (en) * 2004-11-09 2010-08-03 Prime Polymer Co., Ltd. Expansion injection molding process and mold for expansion injection molding
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
CA2678561C (en) * 2007-02-19 2013-11-26 Diab International Ab Dynamic mould tool
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
KR20110003351A (ko) * 2008-03-26 2011-01-11 델타 엔지니어드 플라스틱스 발포형 코어 ｃｌａｓｓ “ａ” 물품의 제조 방법
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
US11780129B2 (en) * 2020-03-20 2023-10-10 King Steel Machinery Co., Ltd. Molding method for operating molding device
US12049032B2 (en) 2020-03-20 2024-07-30 King Steel Machinery Co., Ltd. Injection molding method
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
FR2411693A1 (fr) 1979-07-13
CA1105219A (en) 1981-07-21
BR7808136A (pt) 1979-08-07
CH634507A5 (de) 1983-02-15
US4133858A (en) 1979-01-09
GB2010168B (en) 1982-02-10
JPS5488969A (en) 1979-07-14
IT1104575B (it) 1985-10-21
FI783827A (fi) 1979-06-15
NO783885L (no) 1979-06-15
SE7811989L (sv) 1979-06-15
FR2411693B3 (de) 1981-10-02
BE872721A (fr) 1979-03-30
AR219139A1 (es) 1980-07-31
DK516278A (da) 1979-06-15
NL7811893A (nl) 1979-06-18
YU285478A (en) 1982-06-30
GB2010168A (en) 1979-06-27
HU180099B (en) 1983-01-28
DE2850700A1 (de) 1979-06-21
IT7830805A0 (it) 1978-12-14

Similar Documents

Publication Publication Date Title
SE426923B (sv) Forfarande vid formsprutning av expanderbart plastmaterial
EP0156957B1 (de) Kunststoffverschlussglieder für Flüssigkeitsbehälter und deren Herstellung
US3966372A (en) Injection molding apparatus for forming a composite, foam-skin, article
US4507405A (en) Synthetic articles having a cork-like appearance
EP0481306B1 (de) Verfahren zur Verarbeitung von Polypropylen-Kunststoff
US3058161A (en) A method of molding expandable thermoplastic resinous beads
US4140672A (en) Process for producing moldings
US3436446A (en) Molding of foamed thermoplastic articles
US3873656A (en) Production of laminar articles
ES2797351T3 (es) Aparato y procedimiento para la producción de embriones de espuma expandida
US3776989A (en) Method for injection molding articles of foam material involving autoge-nous flow
US4096218A (en) Method of producing foamed thermoplastic resin articles having smooth and glossy surfaces free from swirl marks and hair cracks
US3906066A (en) Injection moulding process
US4806293A (en) Method of producing a foamed, molded article
US3674401A (en) Apparatus for injection molding articles of foam material
US5202069A (en) Method for producing foamed, molded thermoplastic articles
JPS6219285B2 (de)
US5348458A (en) Apparatus for producing foamed, molded thermoplastic articles and articles produced thereby
US9126358B2 (en) Method of improving the appearance of injection molding and foaming product
US4499141A (en) Composition for making a plastic closure for liquid product containers
EP1250994B1 (de) Verfahren zur Herstellung von Schaumformteilen
US3253066A (en) Method of forming foamed plastic articles
JPH0890599A (ja) 発泡熱可塑性樹脂成形体の製造方法
CN109689332A (zh) 发泡成型体的制造方法
JPH08300391A (ja) 発泡性プラスチック組成物の射出成形方法