IT1274737B - Dispositivo di tenuta a materiale fuso per estrusori per lavorare polimeri termoplastici o gomma - Google Patents
Dispositivo di tenuta a materiale fuso per estrusori per lavorare polimeri termoplastici o gommaInfo
- Publication number
- IT1274737B IT1274737B ITMI941778A ITMI941778A IT1274737B IT 1274737 B IT1274737 B IT 1274737B IT MI941778 A ITMI941778 A IT MI941778A IT MI941778 A ITMI941778 A IT MI941778A IT 1274737 B IT1274737 B IT 1274737B
- Authority
- IT
- Italy
- Prior art keywords
- extruders
- rubber
- sealing device
- thermoplastic polymers
- melting sealing
- Prior art date
Links
- 230000008018 melting Effects 0.000 title 1
- 238000002844 melting Methods 0.000 title 1
- 238000007789 sealing Methods 0.000 title 1
- 229920001169 thermoplastic Polymers 0.000 title 1
- 229920002725 thermoplastic elastomer Polymers 0.000 title 1
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
- 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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/63—Screws having sections without mixing elements or threads, i.e. having cylinder shaped sections
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/84—Venting or degassing ; Removing liquids, e.g. by evaporating components
- B29B7/845—Venting, degassing or removing evaporated components in devices with rotary stirrers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/88—Adding charges, i.e. additives
- B29B7/94—Liquid charges
-
- 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
- B29C48/254—Sealing 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
- B29C48/268—Throttling of the flow, e.g. for cooperating with plasticising elements or for degassing
-
- 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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
-
- 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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/53—Screws having a varying channel depth, e.g. varying the diameter of the longitudinal screw trunk
-
- 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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/535—Screws with thread pitch varying along the longitudinal axis
-
- 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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/575—Screws provided with elements of a generally circular cross-section for shearing the melt, i.e. shear-ring elements
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Molding Of Porous Articles (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4333233A DE4333233C2 (de) | 1993-09-30 | 1993-09-30 | Schmelzeabdichteinrichtung an Extrudern für thermoplastische Kunststoffe oder Kautschuk |
Publications (3)
Publication Number | Publication Date |
---|---|
ITMI941778A0 ITMI941778A0 (it) | 1994-08-26 |
ITMI941778A1 ITMI941778A1 (it) | 1996-02-26 |
IT1274737B true IT1274737B (it) | 1997-07-24 |
Family
ID=6498996
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITMI941778A IT1274737B (it) | 1993-09-30 | 1994-08-26 | Dispositivo di tenuta a materiale fuso per estrusori per lavorare polimeri termoplastici o gomma |
Country Status (5)
Country | Link |
---|---|
US (1) | US5490725A (it) |
JP (1) | JP3678441B2 (it) |
DE (1) | DE4333233C2 (it) |
GB (1) | GB2282344B (it) |
IT (1) | IT1274737B (it) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2909577B2 (ja) * | 1993-10-29 | 1999-06-23 | トヨタ自動車株式会社 | 樹脂廃材の再生方法及び装置 |
CN1110268C (zh) * | 1996-07-18 | 2003-06-04 | 温吉尔制造公司 | 短长度挤压式烹制装置以及采用该装置的挤压烹制方法 |
US5694833A (en) * | 1996-07-18 | 1997-12-09 | Wenger Manufacturing, Inc. | Short length tapered extrusion cooking device |
US5939124A (en) * | 1996-07-18 | 1999-08-17 | Wenger Manufacturing, Inc. | Method of extrusion cooking an edible material |
AT407855B (de) * | 1997-04-23 | 2001-07-25 | Bacher Helmut | Verfahren und vorrichtung zur überwachung des abnützungsgrades einer ein plastifiziertes material fördernden dichtschnecke |
DE19810324C2 (de) * | 1998-03-11 | 2001-10-31 | Gefinex Jackon Gmbh | Schmelzeabdichtung am Extruder |
US20030016585A1 (en) * | 1998-05-06 | 2003-01-23 | Leveque Alain Yves | Low compression screw |
JP3816282B2 (ja) * | 1999-11-08 | 2006-08-30 | 株式会社神戸製鋼所 | 二軸連続混練機によるコンパウンド製造方法 |
JP2002018929A (ja) * | 2000-07-12 | 2002-01-22 | Hero:Kk | 生分解性発泡体製造装置 |
BR0213265A (pt) * | 2001-10-18 | 2004-10-26 | Community Entpr Llc | Aparelho para moldagem por injeção de artigos com múltiplas camadas |
US6921191B2 (en) * | 2002-08-23 | 2005-07-26 | Concor Tool And Machinery | Injection/extruder screw |
JP2006515815A (ja) * | 2003-01-27 | 2006-06-08 | コミュニティー エンタープライジズ, エルエルシー | 成形マシンに対しパージ効果性を最大とさせる装置及び方法 |
MX2009009705A (es) * | 2007-03-10 | 2009-10-30 | Cool Options Inc | Diseño de huesillo y metodo para moldeo por inyeccion de metal. |
GB2450704A (en) * | 2007-07-03 | 2009-01-07 | Mars Inc | Screw extruder with a fluid inlet and a method of extruding |
US8641263B2 (en) * | 2008-11-24 | 2014-02-04 | Kraft Foods Group Brands Llc | Method and apparatus for continuous processing of whole muscle meat products |
US8308342B2 (en) * | 2008-11-24 | 2012-11-13 | Kraft Foods Global Brands Llc | Processing elements for mixing meat products |
US8187651B2 (en) | 2008-11-24 | 2012-05-29 | Kraft Foods Global Brands Llc | Method and apparatus for continuous processing of whole muscle meat products |
JP2012025153A (ja) * | 2010-06-21 | 2012-02-09 | Fp Corp | 多段式の熱可塑性樹脂押出装置およびそれを用いた熱可塑性樹脂の押出方法 |
FI129499B (en) * | 2018-02-26 | 2022-03-31 | Teknologian Tutkimuskeskus Vtt Oy | Procedure for performing thermolysis and thermolysis equipment |
CN110154354B (zh) * | 2019-05-14 | 2024-04-02 | 佛山智塑科技有限公司 | 一种挤出机端面密封结构 |
DE102019006844B3 (de) * | 2019-10-01 | 2020-12-03 | Jochen Hennes | Extruder mit einer Schnecke mit Dichtzone |
CN112458549B (zh) * | 2020-11-16 | 2021-08-27 | 佛山市顺德区宝富莱无纺布有限公司 | 一种纺粘无纺布制造工艺 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2835514A (en) * | 1954-03-03 | 1958-05-20 | Ingersoll Rand Co | Rotary shaft seal |
DE1145787B (de) * | 1959-03-10 | 1963-03-21 | Kloeckner Humboldt Deutz Ag | Schneckenstrangpresse mit einem Stauabschnitt, dessen Querschnitt veraenderlich ist |
NL297041A (it) * | 1961-02-23 | 1900-01-01 | ||
AT284421B (de) * | 1964-04-27 | 1970-09-10 | Zdarske Strojirny A Slevarney | Schneckenspritzgußmaschine zur Verarbeitung thermoplastischer Kunststoffe |
DE1529811B2 (de) * | 1965-06-03 | 1972-06-08 | Barmag Barmer Maschinenfabrik Ag, 5600 Wuppertal | Schneckenstrangpresse fuer thermoplastische kunststoffe |
GB1153678A (en) * | 1967-10-06 | 1969-05-29 | Baker Perkins Inc | Mixing and Severing Apparatus |
US3917507A (en) * | 1971-02-22 | 1975-11-04 | Welding Engineers | Countercurrent combined liquid and vapor stripping in screw devolatilizer |
US3814779A (en) * | 1971-04-01 | 1974-06-04 | Cosden Oil & Chem Co | Method of forming foamed polystyrene articles from polystyrene beads |
CA993592A (en) * | 1971-04-09 | 1976-07-20 | Thomas J. Grail | Polymers with improved properties and process therefor |
US3905588A (en) * | 1974-02-08 | 1975-09-16 | Cincinnati Milacron Inc | Method and apparatus for plasticating polymers |
DE2413374A1 (de) * | 1974-03-20 | 1975-10-02 | Anisic Ladislav | Scher- oder mischvorrichtung zur verarbeitung von plastischen massen |
US4343755A (en) * | 1978-09-06 | 1982-08-10 | Union Carbide Corporation | Process for extruding ethylene polymers |
US4447156A (en) * | 1981-08-31 | 1984-05-08 | Northern Lights Trust | Modular mixing apparatus including interchangeable fluid processing means |
EP0102400B1 (de) * | 1982-08-26 | 1987-01-14 | HERMANN BERSTORFF Maschinenbau GmbH | Entgasungsextruder |
JPS59167240A (ja) * | 1983-03-14 | 1984-09-20 | Chisso Corp | 有機フイラ−を配合された熱可塑性樹脂組成物の成形物の製法及びそのための装置 |
JPS6097805A (ja) * | 1983-11-02 | 1985-05-31 | Kobe Steel Ltd | 単軸混練押出機 |
JPS6178619A (ja) * | 1984-09-27 | 1986-04-22 | Mitsui Toatsu Chem Inc | 熱硬化性樹脂の押出試験装置 |
EP0213510B2 (en) * | 1985-08-16 | 1995-01-11 | Idemitsu Petrochemical Co. Ltd. | Screw for molding thermoplastic resin |
US4867927A (en) * | 1987-02-13 | 1989-09-19 | Idemitsu Petrochemical Co., Ltd. | Process of producing thermplastic resin sheet and the like and molding screw therefor |
DE3921108C1 (it) * | 1989-06-28 | 1990-06-07 | Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover, De |
-
1993
- 1993-09-30 DE DE4333233A patent/DE4333233C2/de not_active Expired - Lifetime
-
1994
- 1994-07-22 GB GB9414839A patent/GB2282344B/en not_active Expired - Fee Related
- 1994-08-26 IT ITMI941778A patent/IT1274737B/it active IP Right Grant
- 1994-09-28 US US08/313,870 patent/US5490725A/en not_active Expired - Lifetime
- 1994-09-29 JP JP23553994A patent/JP3678441B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE4333233C2 (de) | 1995-10-12 |
JPH07156248A (ja) | 1995-06-20 |
ITMI941778A1 (it) | 1996-02-26 |
GB2282344B (en) | 1997-05-28 |
GB9414839D0 (en) | 1994-09-14 |
DE4333233A1 (de) | 1995-04-06 |
GB2282344A (en) | 1995-04-05 |
JP3678441B2 (ja) | 2005-08-03 |
ITMI941778A0 (it) | 1994-08-26 |
US5490725A (en) | 1996-02-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IT1274737B (it) | Dispositivo di tenuta a materiale fuso per estrusori per lavorare polimeri termoplastici o gomma | |
NO306233B1 (no) | Medisinsk plastermateriale, samt fremgangsmÕte for fremstilling av et slikt materiale | |
DE69535219D1 (de) | Retroreflektierende Folie | |
AU5557996A (en) | Encapsulated lens retroreflective sheeting having thermoplastic polyur ethane bonding layer | |
NO964632D0 (no) | Gjennvinnbare plastfilmer | |
AU4165897A (en) | Article comprising a flexible retroreflective sheeting | |
AU7360696A (en) | Thermoplastic lens blocking material | |
DE3460243D1 (en) | Cooling device for a shaping tool for working glass or thermo-plastic material | |
ATA43394A (de) | Vorrichtung zum entgasen von thermoplastischem kunststoff | |
EP0676449A3 (en) | Thermoplastic resin composition for profile extrusion. | |
EP0862513A4 (en) | POLYMERIC MATERIALS FOR PHOTOCHROMIC APPLICATIONS | |
IT1273527B (it) | Dispositivo per la sigillatura di sacchetti o confezioni in materiale plastico termosaldabile provvisto con organi di regolazione della pressione di saldatura | |
IT1303833B1 (it) | Spianatoio per un nastro di materiale termoplastico | |
ITMI910745A1 (it) | Procedimento per microincapsulare un adesivo insolubile in acqua in involucri di materiale polimerico | |
AU646469B2 (en) | Device for cutting out reinforcing elements from a rubber or plastic matrix | |
IT8922462A0 (it) | Utensile di estrusione per materiale sintetico termoplastificato | |
AU7819698A (en) | Pleated retroreflective barricade sheeting | |
ATA110097A (de) | Extrusionswerkzeug für eine kunststoffschmelze | |
FR2728190B1 (fr) | Dispositif de fusion de granules pour un materiau thermoplastique | |
ATA210593A (de) | Filtervorrichtung, insbesondere für thermoplastische kunststoffschmelzen | |
ITMI921929A1 (it) | Materiale antiurto termoplastico da stampaggio | |
GB9416220D0 (en) | Extruder for plasticized modelling clay | |
ITMI930467A0 (it) | Composizione poliolefinica termoplastica rinforzata | |
DE59302212D1 (de) | Thermoplastische Recycling-Formmasse | |
ITMI930574A1 (it) | Ugello di iniezione per materiale termoplastico |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19980831 |