ES2079543T3 - Metodo para moldear resina de polipropileno. - Google Patents
Metodo para moldear resina de polipropileno.Info
- Publication number
- ES2079543T3 ES2079543T3 ES91116951T ES91116951T ES2079543T3 ES 2079543 T3 ES2079543 T3 ES 2079543T3 ES 91116951 T ES91116951 T ES 91116951T ES 91116951 T ES91116951 T ES 91116951T ES 2079543 T3 ES2079543 T3 ES 2079543T3
- Authority
- ES
- Spain
- Prior art keywords
- resin
- cavity
- open space
- polypropylene resin
- foamy
- 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 - Lifetime
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
- B29C44/02—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
-
- 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
- B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
- B29C67/20—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Molding Of Porous Articles (AREA)
- Laminated Bodies (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
EL TEMA DE LA INVENCION ES UN METODO PARA LA PRODUCCION DE UN ARTICULO ESPUMOSO DE UNA RESINA DE POLIPROPILENO. DICHO METODO COMPRENDE LOS PASOS DE: PROPORCIONAR UN PAR DE MOLDES MACHO Y HEMBRA (3, 4) QUE SE MUEVEN DESLIZANDOLOS SOBRE UNA PIEZA ENGRANADA (5) Y LA CUAL SE FIJA EL ESPACIO ABIERTO DE UNA CAVIDAD (T), COMENZAR A SUMINISTRAR UNA RESINA DE POLIPROPILENO FUNDIDA (8) QUE CONTIENE UN AGENTE SOPLADOR QUIMICO A TRAVES DE UN CONDUCTO DE FUNDICION DE LA RESINA (7) PROVISTO EN UNO DE DICHOS MOLDES MACHO O HEMBRA CUANDO EL ESPACIO ABIERTO DE LA CAVIDAD (T) ES DE 1.0 MM O MENOR, MOVIENDO AL MENOS UNO DE LOS MOLDES MACHO O HEMBRA PARA AUMENTAR EL ESPACIO ABIERTO DE LA CAVIDAD (T) DURANTE EL SUMINISTRO DE LA RESINA DE POLIPROPILENO FUNDIDA (8) DE FORMA QUE LA PRESION SOBRE DICHA RESINA FUNDIDA EN LA CAVIDAD DEL MOLDE, SE AJUSTE EN UNA PROPORCION QUE OSCILA ENTRE LOS 5KG/CM (AL CUADRADO) Y 100KG/CM (AL CUADRADO) ; FORMANDO UNA CAPA DE PIEL AL APLICAR UNA PRESION QUE OSCILA ENTRE LOS 5 Y LOS 100KG/CM (AL CUADRADO) EN DICHA RESINA FUNDIDA (8) TAN PRONTO COMO EL SUMINISTRO DE LA RESINA TERMINA, AUMENTAR POSTERIORMENTE EL ESPACIO ABIERTO DE LA CAVIDAD (T) PARA FORMAR UNA CAPA DE NUCLEO ESPUMOSO Y ENFRIAR EL ARTICULO ESPUMOSO EN DICHO MOLDE .
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2269203A JPH0777739B2 (ja) | 1990-10-05 | 1990-10-05 | ポリプロピレン樹脂発泡成形体の成形方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2079543T3 true ES2079543T3 (es) | 1996-01-16 |
Family
ID=17469111
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES91116951T Expired - Lifetime ES2079543T3 (es) | 1990-10-05 | 1991-10-04 | Metodo para moldear resina de polipropileno. |
Country Status (7)
Country | Link |
---|---|
US (2) | US5252269A (es) |
EP (1) | EP0481306B1 (es) |
JP (1) | JPH0777739B2 (es) |
KR (1) | KR0178538B1 (es) |
CA (1) | CA2052835C (es) |
DE (1) | DE69112979T2 (es) |
ES (1) | ES2079543T3 (es) |
Families Citing this family (57)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2503753B2 (ja) * | 1990-10-12 | 1996-06-05 | 住友化学工業株式会社 | 登泡層が裏打ちされた表皮材を貼合したポリプロピレン樹脂成形体の成形方法 |
US6280836B1 (en) * | 1991-04-25 | 2001-08-28 | Sumitomo Chemical Co., Ltd. | Multilayer molded article |
ES2086746T3 (es) * | 1991-06-21 | 1996-07-01 | Jung H Metraplast Gmbh | Procedimiento para la elaboracion de cuerpos moldeados de varias capas. |
DE69217179T2 (de) * | 1991-11-28 | 1997-06-26 | Mitsui Petrochemical Ind | Verfahren zum Herstellen eines Verbundschaumstoffgegenstandes |
KR100292367B1 (ko) * | 1992-08-26 | 2001-06-01 | 고사이 아끼오 | 인스트루먼트 패널 |
EP0623435A1 (en) * | 1993-04-30 | 1994-11-09 | Sumitomo Chemical Company, Limited | Process for producing concrete form made of thermoplastic resin |
US5437823A (en) * | 1993-06-23 | 1995-08-01 | Hettinga; Siebolt | Method for molding a plastic article of varied density |
US6936477B2 (en) * | 1994-04-13 | 2005-08-30 | The Trustees Of Columbia University In The City Of New York | Complex combinatorial chemical libraries encoded with tags |
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. |
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 |
US5547621A (en) * | 1994-09-30 | 1996-08-20 | Taisei Plas Co., Ltd. | Cavity expanding and contracting foam injection molding method |
US5798063A (en) * | 1994-10-03 | 1998-08-25 | E. I. Du Pont De Nemours And Company | Molding process using gas under pressure |
JP3015711B2 (ja) * | 1994-11-30 | 2000-03-06 | 東北パイオニア株式会社 | 発泡成形体の成形方法及び発泡成形体の成形装置 |
CN1122436C (zh) * | 1994-11-30 | 2003-09-24 | 先锋电子股份有限公司 | 扬声器振动膜及其制造方法 |
US5480606A (en) * | 1994-12-07 | 1996-01-02 | Sunbeam Plastics Corporation | Method and apparatus for reverse gated compression molding of thermoplastic material |
EP0765722A1 (en) * | 1995-09-28 | 1997-04-02 | Siebolt Hettinga | Method for controlling skin thickness of plastic article made with controlled density |
US6001287A (en) * | 1995-10-11 | 1999-12-14 | Sumitomo Chemical Company, Limited | Method of press-molding thermoplastic resin |
JPH09104025A (ja) * | 1995-10-11 | 1997-04-22 | Sumitomo Chem Co Ltd | 熱可塑性樹脂のプレス成形方法 |
JPH1058573A (ja) * | 1996-08-20 | 1998-03-03 | Sumitomo Chem Co Ltd | 繊維強化熱可塑性樹脂発泡成形体およびその製造方法 |
AU6945296A (en) * | 1996-09-13 | 1998-04-02 | Chisso Corporation | Method of injection molding expandable plastic composition |
US6143215A (en) * | 1996-09-18 | 2000-11-07 | Vec Technology, Inc. | Method and apparatus for molding composite articles |
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. |
US6884823B1 (en) * | 1997-01-16 | 2005-04-26 | Trexel, Inc. | Injection molding of polymeric material |
US6099769A (en) * | 1997-12-15 | 2000-08-08 | Husky Injection Molding Systems Ltd. | Process for molding plastic articles |
JP3602327B2 (ja) * | 1998-03-19 | 2004-12-15 | パイオニア株式会社 | 射出発泡成形体によるスピーカ振動板 |
US6413461B1 (en) * | 1998-05-08 | 2002-07-02 | Sumitomo Chemical Company, Limited | Process for producing multilayer molded article |
DE19952246A1 (de) * | 1998-11-04 | 2000-05-31 | Thomson Brandt Gmbh | Elektromechanisches Bauteil |
EP1226918B1 (en) * | 1999-08-30 | 2007-07-11 | Sekisui Chemical Co., Ltd. | Production method for thermoplastic resin foam and molding mold therefor |
US6660195B2 (en) | 2000-03-10 | 2003-12-09 | Sumitomo Chemical Company, Limited | Process for producing a skin material-laminated foamed thermoplastic resin molding |
JP4033323B2 (ja) * | 2000-03-21 | 2008-01-16 | 住友化学株式会社 | 表皮材積層発泡樹脂成形品の製造方法 |
JP4572443B2 (ja) | 2000-05-15 | 2010-11-04 | 住友化学株式会社 | 熱可塑性樹脂自動車内装用発泡成形体 |
JP4529250B2 (ja) * | 2000-07-27 | 2010-08-25 | 住友化学株式会社 | 繊維強化熱可塑性樹脂膨張成形体の製造方法 |
US6574877B2 (en) | 2000-08-09 | 2003-06-10 | Snap-On Technologies, Inc. | Two piece alignment head |
US6623672B2 (en) | 2000-10-03 | 2003-09-23 | Vec Technology Inc. | Method and apparatus for molding composite articles |
DE10062557B4 (de) * | 2000-12-15 | 2018-11-08 | Bayerische Motoren Werke Aktiengesellschaft | Verfahren zum Herstellen eines Kunststoff-Formteiles durch ein Thermoplast-Schaumspritzgießverfahren |
MY127292A (en) | 2001-01-30 | 2006-11-30 | Sumitomo Chemical Co | Thermoplastic resin foam molding. |
JP4618925B2 (ja) * | 2001-04-02 | 2011-01-26 | 株式会社プライムポリマー | ポリプロピレン発泡成形体の製造方法および発泡成形体 |
JP3802774B2 (ja) * | 2001-04-09 | 2006-07-26 | 日泉化学株式会社 | 発泡成形品の製造方法 |
JP2002355846A (ja) * | 2001-05-31 | 2002-12-10 | T S Tec Kk | フォーム層付表皮一体発泡成形方法及び表皮一体発泡成形装置 |
JP2002355871A (ja) * | 2001-05-31 | 2002-12-10 | T S Tec Kk | 車両用内装部品の発泡射出成形装置及び発泡射出成形方法 |
JP4465929B2 (ja) * | 2001-07-05 | 2010-05-26 | 株式会社プライムポリマー | 熱可塑性樹脂組成物発泡体の製造方法 |
JP4894116B2 (ja) * | 2001-09-20 | 2012-03-14 | トヨタ紡織株式会社 | 発泡部を備えるプレス成形体の製造方法 |
US6994814B2 (en) * | 2001-11-22 | 2006-02-07 | Sumitomo Chemical Company, Limited | Method for manufacturing injection-molded foamed article |
AU2003225704A1 (en) * | 2002-03-07 | 2003-09-22 | Sentinel Products Corp. | Polypropylene foam and foam core structure |
SE0301075D0 (sv) * | 2003-05-08 | 2003-05-08 | Arca Systems Ab | A process for the manufacturing of an article made of plastic material |
US20050017391A1 (en) * | 2003-07-22 | 2005-01-27 | Sumitomo Chemical Company, Limited | Method for producing a thermoplastic resin molded article |
JP4218474B2 (ja) * | 2003-09-10 | 2009-02-04 | トヨタ自動車株式会社 | 射出成形装置および射出成形方法 |
US7553435B2 (en) * | 2004-01-23 | 2009-06-30 | Vec Industries, L.L.C. | Method and apparatus for molding composite articles |
JP5072170B2 (ja) * | 2004-02-06 | 2012-11-14 | 本田技研工業株式会社 | 3層構造体の製造方法 |
DE102005051081A1 (de) * | 2004-10-27 | 2006-05-04 | Sumitomo Chemical Co., Ltd. | Verfahren zum Herstellen eines Schaumstoffartikels |
WO2008089334A2 (en) | 2007-01-19 | 2008-07-24 | Vec Industries, L.L.C. | Method and apparatus for molding composite articles |
WO2009120838A2 (en) | 2008-03-26 | 2009-10-01 | Delta Tooling Company | Interchangeable mold tooling |
CA2719696C (en) | 2008-03-26 | 2013-08-06 | 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 |
JP2011140158A (ja) * | 2010-01-07 | 2011-07-21 | Kojima Press Industry Co Ltd | 成形装置 |
FR2969526B1 (fr) * | 2010-12-22 | 2016-01-01 | Visteon Global Tech Inc | Procede et dispositif pour le controle de l'ouverture partielle d'un moule d'injection de matiere plastique |
NO346307B1 (en) * | 2020-06-03 | 2022-05-30 | Pipelife Norge As | Method and apparatus for manufacturing a molded high-density polyethylene body for production of at least one stub end |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB195404A (en) * | 1922-03-25 | 1924-04-03 | Edouard Vazel | Improvements in and relating to internal combustion engines |
GB1201040A (en) * | 1966-12-19 | 1970-08-05 | Ici Ltd | Panels for vehicles |
GB1195404A (en) * | 1967-10-13 | 1970-06-17 | Ici Ltd | Improvements in the Injection Moulding of Foamed Articles |
US3793415A (en) * | 1971-11-16 | 1974-02-19 | Ici Ltd | Injection molded resin articles having a foamed resin core |
GB1360303A (en) * | 1972-01-20 | 1974-07-17 | Ici Ltd | Injection moulding process |
US3983196A (en) * | 1972-03-13 | 1976-09-28 | The Dow Chemical Company | Method of injection molding structural foam having accurate mold surface reproductions |
FR2291847A1 (fr) * | 1974-11-25 | 1976-06-18 | Inst Po Metalloznanie I Tekno | Procede pour l'elaboration des pieces ayant une peau compacte lisse et un coeur mousseux en polymeres plastifies. equipement pour la realisation de ce procede |
JPS59383B2 (ja) * | 1977-01-05 | 1984-01-06 | 旭化成株式会社 | 型物の成形法 |
US4133858A (en) * | 1977-12-14 | 1979-01-09 | Usm Corporation | Injection foam molding process |
JPS6058010B2 (ja) * | 1981-04-14 | 1985-12-18 | 三井化学株式会社 | 射出圧縮成形方法 |
US4389358A (en) * | 1981-06-22 | 1983-06-21 | Kmmco Structural Foam, Inc. | Method and apparatus for making an integral structural cellular and non-cellular plastic or resinous article with a smooth outer surface |
JPS5839425A (ja) * | 1981-09-04 | 1983-03-08 | Hashimoto Forming Co Ltd | 低圧射出成形法 |
GB2139548B (en) * | 1983-05-11 | 1986-11-19 | James Watson Hendry | Injection moulding |
JPS6195919A (ja) * | 1984-10-18 | 1986-05-14 | Sony Corp | 射出成形機 |
JPH0611500B2 (ja) * | 1986-06-17 | 1994-02-16 | 住友化学工業株式会社 | 熱可塑性樹脂のプレス成形方法 |
JP2508908B2 (ja) * | 1990-09-28 | 1996-06-19 | 住友化学工業株式会社 | 熱可塑性樹脂のプレス成形方法 |
-
1990
- 1990-10-05 JP JP2269203A patent/JPH0777739B2/ja not_active Expired - Lifetime
-
1991
- 1991-10-04 ES ES91116951T patent/ES2079543T3/es not_active Expired - Lifetime
- 1991-10-04 CA CA002052835A patent/CA2052835C/en not_active Expired - Lifetime
- 1991-10-04 EP EP91116951A patent/EP0481306B1/en not_active Expired - Lifetime
- 1991-10-04 DE DE69112979T patent/DE69112979T2/de not_active Expired - Lifetime
- 1991-10-04 US US07/770,924 patent/US5252269A/en not_active Expired - Lifetime
- 1991-10-05 KR KR1019910017475A patent/KR0178538B1/ko not_active IP Right Cessation
-
1993
- 1993-07-20 US US08/093,684 patent/US5304579A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0481306A1 (en) | 1992-04-22 |
KR0178538B1 (ko) | 1999-05-15 |
US5304579A (en) | 1994-04-19 |
DE69112979D1 (de) | 1995-10-19 |
EP0481306B1 (en) | 1995-09-13 |
DE69112979T2 (de) | 1996-04-11 |
CA2052835A1 (en) | 1992-04-06 |
KR920007780A (ko) | 1992-05-27 |
US5252269A (en) | 1993-10-12 |
JPH04144721A (ja) | 1992-05-19 |
CA2052835C (en) | 1999-07-06 |
JPH0777739B2 (ja) | 1995-08-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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