DE2136168C2 - Verfahren zum Kühlen eines stranggepreßten Schlauches bei dessen Herstellung aus thermoplastischem Kunststoff - Google Patents
Verfahren zum Kühlen eines stranggepreßten Schlauches bei dessen Herstellung aus thermoplastischem KunststoffInfo
- Publication number
- DE2136168C2 DE2136168C2 DE2136168A DE2136168A DE2136168C2 DE 2136168 C2 DE2136168 C2 DE 2136168C2 DE 2136168 A DE2136168 A DE 2136168A DE 2136168 A DE2136168 A DE 2136168A DE 2136168 C2 DE2136168 C2 DE 2136168C2
- Authority
- DE
- Germany
- Prior art keywords
- hose
- calibration
- cooling
- disks
- liquid
- 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
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
- 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
- B29C48/03—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
-
- 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
- B29C48/902—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 internally
-
- 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
-
- 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
- B29C48/03—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
-
- 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
- Y10S264/78—Processes of molding using vacuum
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Description
Abschreckflüssigkeit 10?C
b5 Abschreckflüssigkeit durch
Äußere Abschreckflüssigkeit Wasser
Temperatur der äußeren
Durchmesser der Kalibrierscheiben Innendurchmesser des Zylinders
Claims (1)
- Patentanspruch:Vorrichtung zum Kühlen eines stranggepreßten Schlauches bei dessen Herstellung aus thermoplastischem Kunststoff, wobei der Schlauch kontinuierlich von der Düse einer Strangpresse unter Innenkühlung senkrecht nach unten über ein in einem Kühlbad angeordnetes, aus zwei oder mehreren, senkrecht zur Schlauchachse und koaxial zueinander angeordneten Kalibrierscheiben bestehendes Kalibrierwerkzeug und anschließend durch zwei Abquetschwalzen geführt und das Schlauchinnere mit einer im Gegenstrom geführten Flüssigkeit, die bis zu einer bestimmten Höhe durch Absaugen mit einer Saugvorrichtung gehalten ist, abgeschreckt wird, dadurch gekennzeichnet, daß zur Kühlung des Schlauchinneren im Bereich des Kalibrierwerkzeuges jede Kalibrierscheibe (22, 24, 26) möglichst nahe am Rand mit Löchern (28) zum Durchtritt der Kühlflüssigkeit versehen ist und jeweils an einer Seite oder beiden Seiten jeder Kalibrierscheibe (22,24, 26) Ablenkscheiben (21, 23, 25, 27) angeordnet sind, sowie die Flüssigkeitsableitungen (29) oberhalb der Kalibrierscheiben (22, 24, 26) bzw. Ablenkscheiben (21,23,25,27) erfolgt.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3530170A GB1364236A (en) | 1970-07-21 | 1970-07-21 | Extrusion processes |
Publications (2)
Publication Number | Publication Date |
---|---|
DE2136168A1 DE2136168A1 (de) | 1972-03-23 |
DE2136168C2 true DE2136168C2 (de) | 1984-10-04 |
Family
ID=10376167
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2136168A Expired DE2136168C2 (de) | 1970-07-21 | 1971-07-20 | Verfahren zum Kühlen eines stranggepreßten Schlauches bei dessen Herstellung aus thermoplastischem Kunststoff |
Country Status (8)
Country | Link |
---|---|
US (1) | US3796781A (de) |
JP (1) | JPS5444702B1 (de) |
AU (1) | AU457024B2 (de) |
CA (1) | CA987464A (de) |
DE (1) | DE2136168C2 (de) |
FR (1) | FR2099499B1 (de) |
GB (1) | GB1364236A (de) |
SE (1) | SE375043B (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3985931A (en) * | 1973-06-04 | 1976-10-12 | Owens-Illinois, Inc. | Method for the cooling of a tubular extrudate of expanded polystyrene |
US4062916A (en) * | 1973-09-17 | 1977-12-13 | Imperial Chemical Industries Limited | Production of tubular film |
GB1421978A (en) * | 1973-09-17 | 1976-01-21 | Ici Ltd | Production of tubular film |
GB1490337A (en) * | 1973-10-15 | 1977-11-02 | Bakelite Xylonite Ltd | Extrusion processes |
US4185148A (en) * | 1976-05-17 | 1980-01-22 | Mitsubishi Rayon Company Limited | Process for producing the polypropylene film for electrical appliances |
DE3729449A1 (de) * | 1987-09-03 | 1989-03-16 | Hoechst Ag | Verfahren und vorrichtung zur herstellung eines stranggepressten, verstreckten, nahtlosen schlauches |
DE19825179A1 (de) * | 1998-06-05 | 1999-12-09 | Wolff Walsrode Ag | Verfahren zur Kalibrierung nach unten aus einer Düse ausgezogener nahtloser Polymerschläuche |
AU7731801A (en) * | 2000-10-03 | 2002-04-11 | Viskase Corporation | Method and apparatus for use in manufacture of cellulose casing |
DE102006059932A1 (de) * | 2006-12-19 | 2008-06-26 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Herstellung eines strangförmigen Extrudates |
US20110194825A1 (en) * | 2010-02-10 | 2011-08-11 | Donald Ray Parris | Method of forming an optical fiber buffer tube |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR666262A (fr) * | 1928-01-25 | 1929-09-30 | Wolff & Co Kg | Procédé de fabrication de tuyaux flexibles sans couture à partir de solution de celluloses |
FR670154A (fr) * | 1928-02-23 | 1929-11-26 | Kalle & Co Ag | Appareil pour le filage de corps tubulaires en cellulose |
DE601842C (de) * | 1930-01-30 | 1934-08-25 | Kalle & Co Akt Ges | Vorrichtung zum Spinnen nahtloser Celluloseschlaeuche |
US3012276A (en) * | 1960-08-04 | 1961-12-12 | Plastex Company | Method and apparatus for extruding plastic conduit |
DE1262567B (de) * | 1961-04-28 | 1968-03-07 | Hoechst Ag | Vorrichtung zum Strangpressen von geschmolzenen Polymeren in der Form eines Folienschlauches |
US3385918A (en) * | 1962-12-01 | 1968-05-28 | Bx Plastics Ltd | Extrusion process and apparatus for isotactic polypropylene |
DE1242851C2 (de) * | 1965-03-26 | 1973-08-09 | Bx Plastics Ltd | Vorrichtung zum herstellen eines stranggepressten schlauches aus isotaktischem polypropylen |
GB1106994A (en) * | 1964-07-06 | 1968-03-20 | Bakelite Xylonite Ltd | Improvements in and relating to thermoplastic films |
US3450806A (en) * | 1965-11-26 | 1969-06-17 | Exxon Research Engineering Co | Process and apparatus for the formation of film |
SE366243B (de) * | 1968-09-28 | 1974-04-22 | Kohjin Co |
-
1970
- 1970-07-21 GB GB3530170A patent/GB1364236A/en not_active Expired
-
1971
- 1971-07-19 CA CA118,509A patent/CA987464A/en not_active Expired
- 1971-07-20 SE SE7109335A patent/SE375043B/xx unknown
- 1971-07-20 AU AU31444/71A patent/AU457024B2/en not_active Expired
- 1971-07-20 FR FR7126532A patent/FR2099499B1/fr not_active Expired
- 1971-07-20 DE DE2136168A patent/DE2136168C2/de not_active Expired
- 1971-07-20 US US00164341A patent/US3796781A/en not_active Expired - Lifetime
- 1971-07-21 JP JP5456471A patent/JPS5444702B1/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2136168A1 (de) | 1972-03-23 |
SE375043B (de) | 1975-04-07 |
AU3144471A (en) | 1973-01-25 |
JPS5444702B1 (de) | 1979-12-27 |
GB1364236A (en) | 1974-08-21 |
FR2099499B1 (de) | 1976-03-19 |
AU457024B2 (en) | 1975-01-16 |
US3796781A (en) | 1974-03-12 |
FR2099499A1 (de) | 1972-03-17 |
CA987464A (en) | 1976-04-20 |
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Legal Events
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