ZA886404B - Process and apparatus for the production of an extruded,stretched,seamless tube - Google Patents
Process and apparatus for the production of an extruded,stretched,seamless tubeInfo
- Publication number
- ZA886404B ZA886404B ZA886404A ZA886404A ZA886404B ZA 886404 B ZA886404 B ZA 886404B ZA 886404 A ZA886404 A ZA 886404A ZA 886404 A ZA886404 A ZA 886404A ZA 886404 B ZA886404 B ZA 886404B
- Authority
- ZA
- South Africa
- Prior art keywords
- extruded
- stretched
- production
- seamless tube
- seamless
- 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
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/22—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of tubes
- B29C55/26—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of tubes biaxial
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
- B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
- B29C48/901—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies
- B29C48/903—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies externally
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
- B29C48/908—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article characterised by calibrator surface, e.g. structure or holes for lubrication, cooling or venting
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/91—Heating, e.g. for cross linking
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9115—Cooling of hollow articles
- B29C48/912—Cooling of hollow articles of tubular films
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0019—Combinations of extrusion moulding with other shaping operations combined with shaping by flattening, folding or bending
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
- B29C48/904—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article using dry calibration, i.e. no quenching tank, e.g. with water spray for cooling or lubrication
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9115—Cooling of hollow articles
- B29C48/912—Cooling of hollow articles of tubular films
- B29C48/913—Cooling of hollow articles of tubular films externally
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
- B29C48/915—Cooling of flat articles, e.g. using specially adapted supporting means with means for improving the adhesion to the supporting means
- B29C48/916—Cooling of flat articles, e.g. using specially adapted supporting means with means for improving the adhesion to the supporting means using vacuum
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/919—Thermal treatment of the stream of extruded material, e.g. cooling using a bath, e.g. extruding into an open bath to coagulate or cool the material
-
- 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
- Y10S264/90—Direct application of fluid pressure differential to shape, reshape, i.e. distort, or sustain an article or preform and heat-setting, i.e. crystallizing of stretched or molecularly oriented portion thereof
- Y10S264/902—Production of continuous length
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19873729449 DE3729449A1 (de) | 1987-09-03 | 1987-09-03 | Verfahren und vorrichtung zur herstellung eines stranggepressten, verstreckten, nahtlosen schlauches |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA886404B true ZA886404B (en) | 1989-04-26 |
Family
ID=6335135
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA886404A ZA886404B (en) | 1987-09-03 | 1988-08-29 | Process and apparatus for the production of an extruded,stretched,seamless tube |
Country Status (8)
Country | Link |
---|---|
US (1) | US4886634A (fr) |
EP (1) | EP0305874B1 (fr) |
JP (1) | JP2574414B2 (fr) |
BR (1) | BR8804541A (fr) |
CA (1) | CA1303807C (fr) |
DE (2) | DE3729449A1 (fr) |
FI (1) | FI95110C (fr) |
ZA (1) | ZA886404B (fr) |
Families Citing this family (60)
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US5298202A (en) * | 1989-07-28 | 1994-03-29 | W. R. Grace & Co.-Conn. | Double bubble process for making strong, thin film |
DE3943024C2 (de) * | 1989-12-27 | 1996-05-30 | Hoechst Ag | Einschichtige, biaxial streckorientierte und thermofixierte, schlauchförmige Verpackungshülle |
DE4012628C2 (de) * | 1990-04-20 | 1995-01-05 | Wolff Walsrode Ag | Verfahren und Vorrichtung zur Herstellung von biaxial gereckten nahtlosen thermoplatischen Schlauchfolien |
DE4017046A1 (de) * | 1990-05-26 | 1991-11-28 | Hoechst Ag | Mehrschichtige, schlauchfoermige verpackungshuelle |
DE4134341A1 (de) * | 1990-11-16 | 1992-05-21 | Theysohn Friedrich Fa | Vorrichtung zur herstellung eines profilkoerpers |
US5100379A (en) * | 1990-11-19 | 1992-03-31 | The Kendall Company | Microcatheter having improved tensile strength |
DE4117995A1 (de) * | 1991-06-01 | 1992-12-03 | Theysohn Friedrich Fa | Vorrichtung zum ziehen eines langgestreckten profilkoerpers |
US5549943A (en) * | 1992-09-23 | 1996-08-27 | Viskase Corporation | Heat shrinkable nylon food casing with a polyolefin core layer |
US5698279A (en) * | 1992-09-23 | 1997-12-16 | Viskase Corporation | Heat shrinkable nylon food casing having a functionalized ethylenic polymer core layer |
ATE179361T1 (de) * | 1993-02-24 | 1999-05-15 | Ernst Dr Krueger | Vorrichtung und verfahren zur herstellung eines profilkörpers |
DE4308689C2 (de) * | 1993-03-18 | 1996-04-11 | Tegafol Gmbh | Verfahren und Vorrichtung zur Herstellung orientierter Schlauchfolien aus Polypropylen mit verbesserter Festigkeit und Transparenz |
US5642467A (en) * | 1995-01-31 | 1997-06-24 | The Penn State Research Foundation | Controller for autonomous device |
AUPN547595A0 (en) * | 1995-09-15 | 1995-10-12 | Uponor B.V. | Biaxial stretching of plastic tubes |
DE19604654C2 (de) * | 1996-02-09 | 1998-03-26 | Reifenhaeuser Masch | Anlage für die kontinuierliche Herstellung von biaxial-verstreckten Kunststoff-Blasfolien und Verfahren zum Anfahren der Anlage |
US6506333B1 (en) | 1996-05-03 | 2003-01-14 | Baxter International Inc. | Method of surface modifying a medical tubing |
US6187400B1 (en) | 1996-05-03 | 2001-02-13 | Baxter International Inc. | Medical tubing and pump performance enhancement by ionizing radiation during sterilization |
US20030094736A1 (en) * | 1996-05-03 | 2003-05-22 | Chuan Qin | Method of surface modifying a medical tubing |
US6328716B1 (en) | 1996-05-03 | 2001-12-11 | Baxter International Inc. | Method of using medical tubings in fluid administration sets |
US5954702A (en) * | 1996-05-03 | 1999-09-21 | Baxter International Inc. | Interface geometry for adhesive bonds |
US6036676A (en) * | 1996-05-03 | 2000-03-14 | Baxter International Inc. | Surface modified polymeric material formulation |
US6129876A (en) * | 1996-05-03 | 2000-10-10 | Baxter International Inc. | Heat setting of medical tubings |
US5932307A (en) * | 1996-05-03 | 1999-08-03 | Baxter International Inc. | Oriented medical tubing |
US5741452A (en) * | 1996-05-03 | 1998-04-21 | Baxter International Inc. | Orienting extrusion processes for medical tubing applications |
WO2000012293A1 (fr) * | 1998-08-28 | 2000-03-09 | General Electric Company | Appareil et procede pour imprimer une texture a un produit d'extrusion thermoplastique |
TW480733B (en) * | 2001-04-10 | 2002-03-21 | Ind Tech Res Inst | Self-aligned lightly doped drain polysilicon thin film transistor |
US7244481B2 (en) | 2001-06-18 | 2007-07-17 | Viskase Companies, Inc. | Nylon food casing having a barrier core layer |
US7045566B2 (en) * | 2002-11-12 | 2006-05-16 | E.I. Du Pont De Nemours And Company | Moisture and gas permeable non-porous ionomeric films |
US7615270B2 (en) * | 2002-11-12 | 2009-11-10 | E. I. Du Pont De Nemours And Company | Films comprising a liquid-absorbant inner layer and an impermeable outer layer |
US7326042B2 (en) * | 2002-12-24 | 2008-02-05 | Bostik Findley, Inc. | Apparatus for packaging hot melt adhesives using a mold and carrier |
US20040173492A1 (en) | 2003-03-05 | 2004-09-09 | Kane James P. | Reclosable packages and method for forming, filling and sealing such packages |
US7052260B1 (en) | 2003-06-18 | 2006-05-30 | Extrutech International, Inc. | Polymer processing system including decompression chamber and method for using same |
FR2861011A1 (fr) * | 2003-10-17 | 2005-04-22 | Cebal Sas | Procede permettant d'effectuer un traitement au defile de profiles extrudes sous une pression differente de la pression atmospherique |
US20050163948A1 (en) | 2004-01-28 | 2005-07-28 | Mcgarel Owen J. | Smokable polymeric casing |
US7892391B2 (en) * | 2004-01-29 | 2011-02-22 | E. I. Du Pont De Nemours And Company | Compositions of ethylene/vinyl acetate copolymers for heat-sealable easy opening packaging |
WO2005113671A1 (fr) * | 2004-05-12 | 2005-12-01 | E.I. Dupont De Nemours And Company | Compositions ionomeres convenant a une utilisation dans des applications antibuee |
JP2008519147A (ja) * | 2004-11-08 | 2008-06-05 | イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー | 食品包装および健康管理用途向けの強化ポリアミド |
US7296991B2 (en) * | 2004-12-10 | 2007-11-20 | Irwin Jere F | Adjustable extruder die assembly die lip adjustment apparatus |
US20070190201A1 (en) * | 2006-02-13 | 2007-08-16 | Irwin Jere E | Extruder die assembly, extruder, and method |
US7781506B2 (en) * | 2007-01-26 | 2010-08-24 | E.I. Du Pont De Nemours And Company | Poly(vinyl alcohol) composition comprising a polyol |
US7834089B2 (en) | 2007-05-08 | 2010-11-16 | E. I. Du Pont De Nemours And Company | Ionomeric ethylene vinyl alcohol compositions |
US20090029079A1 (en) * | 2007-07-23 | 2009-01-29 | Viskase Companies, Inc. | Nylon Food Casing |
JP5139011B2 (ja) * | 2007-09-12 | 2013-02-06 | 宇部日東化成株式会社 | 中空プラスチックシート用サイジング装置及びそれを用いた中空プラスチックシートの製造方法 |
US20090274856A1 (en) * | 2008-05-01 | 2009-11-05 | Chou Richard T | Compositions comprising ethylene acid copolymers and functional ethylene copolymers |
WO2010122001A1 (fr) | 2009-04-20 | 2010-10-28 | Dsm Ip Assets B.V. | Film tubulaire pour enveloppe alimentaire et enveloppe alimentaire produite à partir du film |
US20110024433A1 (en) | 2009-07-30 | 2011-02-03 | E.I. Du Pont De Nemours And Company | Thermal insulation unit |
US20110143003A1 (en) | 2009-12-16 | 2011-06-16 | E. I. Du Pont De Nemours And Company | Non-porous moisture and gas permeable films |
CA2795939C (fr) | 2010-04-12 | 2018-05-22 | Nicolon Corporation, doing business as TenCate Geosynthetics North America | Fil de polypropylene ayant un plus grand module de young et son procede de fabrication |
US20110300273A1 (en) | 2010-06-03 | 2011-12-08 | E.I. Du Pont De Nemours And Company | Non-Porous Moisture and Gas Permeable Films |
CA2846453A1 (fr) | 2011-08-29 | 2013-03-07 | Dsm Ip Assets B.V. | Dispositif et procede pour calibrer des extrudats tubulaires |
US9532578B2 (en) | 2011-12-12 | 2017-01-03 | Viskase Companies, Inc. | Smokable thermoplastic casing |
US20150011697A1 (en) | 2013-07-03 | 2015-01-08 | E I Du Pont De Nemours And Company | Melt-processible vinyl fluoride interpolymers of low crystallinity |
US9868241B1 (en) * | 2013-09-06 | 2018-01-16 | WilMarc Holdings, LLC. | Extrusion process for tubular member |
US9777145B2 (en) | 2013-12-20 | 2017-10-03 | E. I. Du Pont De Nemours And Company | Anti-fogging films based on ethylene copolymer compositions |
JP2017516686A (ja) | 2014-05-20 | 2017-06-22 | イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニーE.I.Du Pont De Nemours And Company | コレーションシュリンクフィルム保護構造 |
WO2016025663A1 (fr) | 2014-08-13 | 2016-02-18 | E. I. Du Pont De Nemours And Company | Structure multicouche comprenant du polypropylène |
WO2016094281A1 (fr) | 2014-12-11 | 2016-06-16 | E. I. Du Pont De Nemours And Company | Film d'emballage étirable |
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TWI695797B (zh) * | 2017-11-17 | 2020-06-11 | 洪子欽 | 包裝膠膜的吹、拉裝置及方法 |
US11401389B2 (en) | 2018-05-24 | 2022-08-02 | E. I. Du Pont De Nemours And Company | Transparent fluoropolymer films |
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NL301299A (fr) * | 1962-12-07 | 1900-01-01 | ||
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CH490183A (de) * | 1968-01-17 | 1970-05-15 | Seproma Gmbh | Verfahren und Vorrichtung zur Herstellung von Hohlzylindern aus thermoplastischem Kunststoff |
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US3857917A (en) * | 1969-06-25 | 1974-12-31 | Ici Ltd | Process for the production of tubular films from thermoplastic materials |
GB1364236A (en) * | 1970-07-21 | 1974-08-21 | Bakelite Xylonite Ltd | Extrusion processes |
JPS4840855A (fr) * | 1971-09-23 | 1973-06-15 | ||
US3804574A (en) * | 1972-12-07 | 1974-04-16 | C Gatto | Apparatus for sizing shaped articles |
US4093412A (en) * | 1973-07-02 | 1978-06-06 | Imperial Chemical Industries Limited | Cooling thermoplastics tubes |
US4034055A (en) * | 1973-08-30 | 1977-07-05 | Hoechst Aktiengesellschaft | Tubular film of polyethylene terephthalate and process for the production thereof |
US4159889A (en) * | 1973-09-26 | 1979-07-03 | Mitsui Petrochemical Industries, Inc. | Method of and apparatus for treating the outer surface and inner surface of a pipe of a thermoplastic resinous material produced by extrusion |
GB1490337A (en) * | 1973-10-15 | 1977-11-02 | Bakelite Xylonite Ltd | Extrusion processes |
US4138520A (en) * | 1974-11-29 | 1979-02-06 | Mitsubishi Rayon Co., Ltd. | Translucent polypropylene film and process for producing the same |
CH611549A5 (en) * | 1977-05-26 | 1979-06-15 | Maillefer Sa | Sizing device for an installation for cooling an extruded plastic tube |
DE2941059C2 (de) * | 1979-10-10 | 1981-05-27 | Reifenhäuser KG, 5210 Troisdorf | Rohrspaltvorrichtung zum Ausschneiden von Rohrausschnitten aus einem kontinuierlich stranggepreßten thermoplastischem Kunststoffrohr |
JPS57182407A (en) * | 1981-05-07 | 1982-11-10 | Idemitsu Petrochem Co Ltd | Method and apparatus for preparing biaxially stretched sheet film |
NL8502034A (nl) * | 1985-07-15 | 1987-02-02 | Leer Koninklijke Emballage | Inrichting voor het vervaardigen van een buisvormig voorwerp. |
-
1987
- 1987-09-03 DE DE19873729449 patent/DE3729449A1/de not_active Withdrawn
-
1988
- 1988-08-24 DE DE8888113764T patent/DE3880403D1/de not_active Expired - Fee Related
- 1988-08-24 EP EP88113764A patent/EP0305874B1/fr not_active Expired - Lifetime
- 1988-08-26 US US07/236,912 patent/US4886634A/en not_active Expired - Lifetime
- 1988-08-29 ZA ZA886404A patent/ZA886404B/xx unknown
- 1988-08-31 CA CA000576160A patent/CA1303807C/fr not_active Expired - Fee Related
- 1988-09-01 FI FI884038A patent/FI95110C/fi active IP Right Grant
- 1988-09-02 JP JP63218618A patent/JP2574414B2/ja not_active Expired - Fee Related
- 1988-09-02 BR BR8804541A patent/BR8804541A/pt not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US4886634A (en) | 1989-12-12 |
JPS6471728A (en) | 1989-03-16 |
EP0305874A2 (fr) | 1989-03-08 |
JP2574414B2 (ja) | 1997-01-22 |
CA1303807C (fr) | 1992-06-23 |
EP0305874A3 (en) | 1990-03-28 |
BR8804541A (pt) | 1989-04-11 |
DE3880403D1 (de) | 1993-05-27 |
FI95110C (fi) | 1995-12-27 |
DE3729449A1 (de) | 1989-03-16 |
EP0305874B1 (fr) | 1993-04-21 |
FI884038A0 (fi) | 1988-09-01 |
FI95110B (fi) | 1995-09-15 |
FI884038A (fi) | 1989-03-04 |
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