IT1147674B - Procedimento per lo stampaggio a compressione ed iniezione di polietilene - Google Patents
Procedimento per lo stampaggio a compressione ed iniezione di polietileneInfo
- Publication number
- IT1147674B IT1147674B IT48209/82A IT4820982A IT1147674B IT 1147674 B IT1147674 B IT 1147674B IT 48209/82 A IT48209/82 A IT 48209/82A IT 4820982 A IT4820982 A IT 4820982A IT 1147674 B IT1147674 B IT 1147674B
- Authority
- IT
- Italy
- Prior art keywords
- injection molding
- molding procedure
- polyethylene compression
- polyethylene
- compression
- Prior art date
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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/56—Means for plasticising or homogenising the moulding material or forcing it into the mould using mould parts movable during or after injection, e.g. injection-compression moulding
- B29C45/561—Injection-compression moulding
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0001—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor characterised by the choice of 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
- B29C43/361—Moulds for making articles of definite length, i.e. discrete articles with pressing members independently movable of the parts for opening or closing the mould, e.g. movable pistons
- B29C2043/3615—Forming elements, e.g. mandrels or rams or stampers or pistons or plungers or punching devices
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/58—Measuring, controlling or regulating
- B29C2043/5833—Measuring, controlling or regulating movement of moulds or mould parts, e.g. opening or closing, actuating
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/56—Means for plasticising or homogenising the moulding material or forcing it into the mould using mould parts movable during or after injection, e.g. injection-compression moulding
- B29C45/561—Injection-compression moulding
- B29C2045/5615—Compression stroke, e.g. length thereof
- B29C2045/562—Velocity profiles of the compression stroke
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/56—Means for plasticising or homogenising the moulding material or forcing it into the mould using mould parts movable during or after injection, e.g. injection-compression moulding
- B29C45/561—Injection-compression moulding
- B29C2045/563—Enlarging the mould cavity during injection
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/58—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/04—Polymers of ethylene
- B29K2023/06—PE, i.e. polyethylene
- B29K2023/0658—PE, i.e. polyethylene characterised by its molecular weight
- B29K2023/0683—UHMWPE, i.e. ultra high molecular weight polyethylene
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56055011A JPS6058010B2 (ja) | 1981-04-14 | 1981-04-14 | 射出圧縮成形方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8248209A0 IT8248209A0 (it) | 1982-04-09 |
IT1147674B true IT1147674B (it) | 1986-11-26 |
Family
ID=12986710
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT48209/82A IT1147674B (it) | 1981-04-14 | 1982-04-09 | Procedimento per lo stampaggio a compressione ed iniezione di polietilene |
Country Status (6)
Country | Link |
---|---|
US (1) | US4489033A (it) |
JP (1) | JPS6058010B2 (it) |
DE (1) | DE3213762A1 (it) |
FR (1) | FR2503625B1 (it) |
GB (1) | GB2104826B (it) |
IT (1) | IT1147674B (it) |
Families Citing this family (47)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59176027A (ja) * | 1983-03-25 | 1984-10-05 | Toto Sekisui Kk | 中実材の射出成形方法及び射出成形金型 |
US4587163A (en) * | 1984-03-06 | 1986-05-06 | Zachariades Anagnostis E | Preparation of ultra high molecular weight polyethylene morphologies of totally fused particles with superior mechanical performance |
DE3620081A1 (de) * | 1986-06-14 | 1987-12-17 | Dornier Gmbh Lindauer | Verfahren zur herstellung von mit an der oberflaeche mit einer struktur versehenen stangenartigen teilen aus thermoplastischen kunststoffen |
JPS6394807A (ja) * | 1986-10-09 | 1988-04-25 | Toshiba Mach Co Ltd | 射出圧縮成形方法 |
US4810444A (en) * | 1987-06-08 | 1989-03-07 | The Dow Chemical Company | Method for making mat-molded rim parts |
US4855095A (en) * | 1987-12-30 | 1989-08-08 | Toshiba Kikai Kabushiki Kaisha | Method for injection compression molding |
US4889478A (en) * | 1987-12-29 | 1989-12-26 | Toshiba Kikai K. K. | Apparatus for operating an injection compression molding machine |
DE68928883T2 (de) * | 1988-09-28 | 1999-08-26 | Dai Nippon Insatsu K.K. | Spritzgussvorrichtung |
JP2771834B2 (ja) * | 1988-09-28 | 1998-07-02 | 大日本印刷株式会社 | 磁気テープ用ガイド及びその製造方法 |
WO1991008890A1 (en) * | 1989-12-08 | 1991-06-27 | Philips And Du Pont Optical Company | Apparatus and method for controlling an injection molding process producing a molded part |
JPH0720650B2 (ja) * | 1990-08-03 | 1995-03-08 | 株式会社小松製作所 | 射出圧縮成形方法 |
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 |
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 |
JP3290986B2 (ja) * | 1991-05-10 | 2002-06-10 | ゲーアーオー ゲゼルシャフト フュア アウトマツィオーン ウント オルガニザツィオーン ミット ベシュレンクテル ハフツング | 壁面の厚さを部分的に薄くしたプラスチック成形物の製造方法及び製造装置 |
WO1993001926A1 (en) * | 1991-07-15 | 1993-02-04 | Komatsu Ltd. | Method of injection-compression molding in injection molding machine |
DE4211768C2 (de) * | 1992-04-08 | 1994-05-11 | Spiess Kunststoff Recycling | Verfahren und Vorrichtung zum automatischen Herstellen von Gegenständen hoher Oberflächengüte aus Recycling-Kunststoff |
JPH07137091A (ja) * | 1993-09-20 | 1995-05-30 | Mitsubishi Gas Chem Co Inc | 模様が封入された成形品の製造方法 |
DE4341497A1 (de) * | 1993-12-06 | 1995-06-08 | Hoechst Ag | Verfahren zur Herstellung poröser Formkörper |
US5993719A (en) * | 1994-09-08 | 1999-11-30 | Idemitsu Petrochemical Co., Ltd. | Method of producing a laminated molding |
US5791278A (en) * | 1995-12-19 | 1998-08-11 | Duramax, Inc. | Fender protective structure |
US6010141A (en) * | 1997-08-06 | 2000-01-04 | Global Polymer Industries, Inc. | Molded bearing plate assembly |
JP3943696B2 (ja) * | 1998-03-11 | 2007-07-11 | 株式会社プライムポリマー | 積層成形品の製造方法 |
EP1120219A4 (en) * | 1998-06-15 | 2007-05-02 | Daikin Ind Ltd | PROCESS FOR FORMING FLUORIDE RESIN AND SHAPED OBJECT |
US6213221B1 (en) * | 1999-02-04 | 2001-04-10 | Sunflower Manufacturing Company, Inc. | Bearing assemblies for agricultural implements |
IT1316150B1 (it) * | 2000-11-28 | 2003-03-28 | Intercable Srl | Procedimento di iniettofusione per la produzione di tappi o similiaventi spessore notevole. |
NL1019235C2 (nl) * | 2001-10-25 | 2003-04-28 | Novem Internat B V | Werkwijze en inrichting voor het vormen van dunwandige producten en een daarmee vervaardigd product. |
CN100522552C (zh) * | 2001-10-25 | 2009-08-05 | Ecim科技公司 | 用于成型薄壁产品的方法和设备以及由此制造的产品 |
NL1019320C2 (nl) * | 2001-11-07 | 2003-04-28 | Novem Internat B V | Werkwijze en inrichting voor het vormen van dunwandige producten en een daarmee vervaardigd product. |
JP3561266B2 (ja) * | 2002-12-10 | 2004-09-02 | 株式会社名機製作所 | 燃料電池用セパレータの製造方法および成形金型 |
JP2007523771A (ja) * | 2004-02-23 | 2007-08-23 | スリーエム イノベイティブ プロパティズ カンパニー | マイクロニードルアレイの成形方法 |
DE102004051250A1 (de) * | 2004-10-20 | 2006-04-27 | Demag Ergotech Gmbh | Verfahren zum Herstellen von langfaserverstärkten Kunststoffformteilen |
JP2008522875A (ja) * | 2004-12-07 | 2008-07-03 | スリーエム イノベイティブ プロパティズ カンパニー | マイクロニードルの成形方法 |
EP1998844A4 (en) * | 2006-03-24 | 2017-03-01 | 3M Innovative Properties Company | Process for making microneedles, microneedle arrays, masters, and replication tools |
US7846369B2 (en) * | 2006-03-29 | 2010-12-07 | Akopyan Razmik L | Apparatus and method for molding polymer parts by displacement injection molding |
CN101678584A (zh) * | 2007-06-20 | 2010-03-24 | 3M创新有限公司 | 幅材超声波注模 |
CN102458559B (zh) | 2009-04-10 | 2014-06-04 | 3M创新有限公司 | 制造中空微针阵列的方法以及由其制得的制品和用途 |
CN102958556B (zh) | 2010-04-28 | 2017-02-15 | 金伯利-克拉克环球有限公司 | 细胞相互作用增强的纳米图案化医疗装置 |
US8871355B1 (en) | 2010-10-08 | 2014-10-28 | Clemson University | Microstructure enhanced sinter bonding of metal injection molded part to a support substrate |
FR2975329A1 (fr) * | 2011-05-17 | 2012-11-23 | Valeo Vision | Moule et procede pour moulage par injection d'une piece avec une partie en saillie |
CN104884119B (zh) | 2012-12-27 | 2018-04-20 | 3M创新有限公司 | 具有中空微针的制品及其制备方法 |
KR20150077821A (ko) * | 2013-12-30 | 2015-07-08 | 현대자동차주식회사 | 자동차용 내장재 부품 성형 장치 및 방법, 이에 의해 제조되는 내장재 부품 |
FR3021578B1 (fr) * | 2014-05-28 | 2016-05-27 | Albea Services | Procede et dispositif de moulage par injection d'un receptacle, receptacle obtenu |
EP3352965A1 (en) | 2015-09-25 | 2018-08-01 | SABIC Global Technologies B.V. | Method of molding using mold inserts and apparatus therefor |
CN113183409B (zh) * | 2021-04-22 | 2022-11-18 | 常州市迪福隆光电科技有限公司 | 一种可快速冷却的汽车尾灯塑料灯罩加工用注塑模具 |
WO2022268843A1 (en) * | 2021-06-24 | 2022-12-29 | Sabic Global Technologies B.V. | Injection moulding process for the preparation of a foamed article with improved surface quality |
CN114083769A (zh) * | 2021-10-27 | 2022-02-25 | 宜兴市灵谷塑料设备有限公司 | 一种超高分子量聚乙烯注塑成型专用模具 |
CN114539650B (zh) * | 2022-01-10 | 2023-03-21 | 上海化工研究院有限公司 | 超高分子量聚乙烯纳米复合材料制品的制备方法、模具及制品 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3036340A (en) * | 1960-04-04 | 1962-05-29 | Dayton Rubber Company | Method of molding high molecular weight polyethylene |
GB1110534A (en) * | 1965-11-22 | 1968-04-18 | Peco Machinery Ltd | Improvements in or relating to injection moulding machines and processes |
GB1470850A (en) * | 1972-12-01 | 1977-04-21 | Allied Chem | Moulding poder |
JPS5181861A (ja) * | 1975-01-13 | 1976-07-17 | Mitsui Petrochemical Ind | Chokobunshiryohoriechirenno shashutsuseikeiho |
JPS5214657A (en) * | 1975-07-25 | 1977-02-03 | Matsuda Seisakusho | Injection compressive molding method adapted to mold multiple thin products mainly by picking up them |
US4008031A (en) * | 1975-08-22 | 1977-02-15 | Weber Hermann P | Apparatus for injection molding lenses |
DE2634537C3 (de) * | 1976-07-31 | 1980-08-14 | Ruhrchemie Ag, 4200 Oberhausen | Verfahren zur Herstellung von Formkörpern aus Polyolefinen mit Molekulargewichten von mindestens 1 Million |
JPS5321258A (en) * | 1976-08-10 | 1978-02-27 | Asahi Dow Ltd | Method of injection molding article |
US4271851A (en) * | 1977-11-07 | 1981-06-09 | Dubuque Gerald P | Process for fabricating articles from ultra high molecular weight polymer material |
CA1099065A (en) * | 1978-05-24 | 1981-04-14 | Brian L. Hetherington | Manufacture of plastic containers |
EP0035916B1 (en) * | 1980-03-12 | 1984-08-22 | Rank Xerox Limited | Conversion apparatus for injection moulding machines |
-
1981
- 1981-04-14 JP JP56055011A patent/JPS6058010B2/ja not_active Expired
-
1982
- 1982-04-07 GB GB08210259A patent/GB2104826B/en not_active Expired
- 1982-04-09 IT IT48209/82A patent/IT1147674B/it active
- 1982-04-12 US US06/367,286 patent/US4489033A/en not_active Expired - Lifetime
- 1982-04-13 FR FR8206330A patent/FR2503625B1/fr not_active Expired
- 1982-04-14 DE DE19823213762 patent/DE3213762A1/de active Granted
Also Published As
Publication number | Publication date |
---|---|
DE3213762C2 (it) | 1992-03-26 |
JPS57169335A (en) | 1982-10-19 |
GB2104826B (en) | 1985-02-06 |
JPS6058010B2 (ja) | 1985-12-18 |
IT8248209A0 (it) | 1982-04-09 |
FR2503625B1 (fr) | 1985-06-28 |
FR2503625A1 (fr) | 1982-10-15 |
DE3213762A1 (de) | 1982-11-25 |
US4489033A (en) | 1984-12-18 |
GB2104826A (en) | 1983-03-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970429 |