BR7808136A - Processo de moldagem por injecao de espuma - Google Patents

Processo de moldagem por injecao de espuma

Info

Publication number
BR7808136A
BR7808136A BR7808136A BR7808136A BR7808136A BR 7808136 A BR7808136 A BR 7808136A BR 7808136 A BR7808136 A BR 7808136A BR 7808136 A BR7808136 A BR 7808136A BR 7808136 A BR7808136 A BR 7808136A
Authority
BR
Brazil
Prior art keywords
injection molding
molding process
foam injection
foam
molding
Prior art date
Application number
BR7808136A
Other languages
English (en)
Inventor
A Aiba
E Orihara
K Fukushima
A Hayakawa
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 BR7808136A publication Critical patent/BR7808136A/pt

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)
BR7808136A 1977-12-14 1978-12-08 Processo de moldagem por injecao de espuma BR7808136A (pt)

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 (1)

Publication Number Publication Date
BR7808136A true BR7808136A (pt) 1979-08-07

Family

ID=25332939

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7808136A BR7808136A (pt) 1977-12-14 1978-12-08 Processo de moldagem por injecao de espuma

Country Status (18)

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

Families Citing this family (45)

* 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.
GB2308090B (en) * 1995-07-18 1998-08-12 Coraltech Ltd Moulded article
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
AU2003211566A1 (en) 2002-02-28 2003-09-09 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
CN101068670B (zh) * 2004-11-09 2010-05-05 普瑞曼聚合物株式会社 注射发泡成型方法和注射发泡成型用模具
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
EA015072B1 (ru) * 2007-02-19 2011-04-29 Диаб Интернешнл Аб Динамическая пресс-форма
WO2009120838A2 (en) * 2008-03-26 2009-10-01 Delta Tooling Company Interchangeable mold tooling
US7846533B2 (en) * 2008-03-26 2010-12-07 Hendrickson Usa, L.L.C. Molded thermoplastic articles
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
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
NO783885L (no) 1979-06-15
US4133858A (en) 1979-01-09
FI783827A (fi) 1979-06-15
JPS5488969A (en) 1979-07-14
IT1104575B (it) 1985-10-21
FR2411693A1 (fr) 1979-07-13
GB2010168B (en) 1982-02-10
CA1105219A (en) 1981-07-21
SE7811989L (sv) 1979-06-15
YU285478A (en) 1982-06-30
GB2010168A (en) 1979-06-27
SE426923B (sv) 1983-02-21
CH634507A5 (de) 1983-02-15
AR219139A1 (es) 1980-07-31
DK516278A (da) 1979-06-15
IT7830805A0 (it) 1978-12-14
HU180099B (en) 1983-01-28
DE2850700A1 (de) 1979-06-21
NL7811893A (nl) 1979-06-18
FR2411693B3 (pt) 1981-10-02
BE872721A (fr) 1979-03-30

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