ZA886887B - Extrusion screw for thermoplastic material - Google Patents

Extrusion screw for thermoplastic material

Info

Publication number
ZA886887B
ZA886887B ZA886887A ZA886887A ZA886887B ZA 886887 B ZA886887 B ZA 886887B ZA 886887 A ZA886887 A ZA 886887A ZA 886887 A ZA886887 A ZA 886887A ZA 886887 B ZA886887 B ZA 886887B
Authority
ZA
South Africa
Prior art keywords
pct
thermoplastic material
date
screw
extrusion screw
Prior art date
Application number
ZA886887A
Other languages
English (en)
Inventor
Philippe Julien
Julien Philippe
Original Assignee
Advanced Recycling Tech
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Advanced Recycling Tech filed Critical Advanced Recycling Tech
Publication of ZA886887B publication Critical patent/ZA886887B/xx

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50Details of extruders
    • B29C48/505Screws
    • B29C48/59Screws characterised by details of the thread, i.e. the shape of a single thread of the material-feeding screw
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50Details of extruders
    • B29C48/505Screws
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50Details of extruders
    • B29C48/505Screws
    • B29C48/59Screws characterised by details of the thread, i.e. the shape of a single thread of the material-feeding screw
    • B29C48/595Screws characterised by details of the thread, i.e. the shape of a single thread of the material-feeding screw the thread having non-uniform width
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion 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
    • B29C48/07Flat, e.g. panels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion 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
    • B29C48/12Articles with an irregular circumference when viewed in cross-section, e.g. window profiles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
ZA886887A 1987-09-16 1988-09-15 Extrusion screw for thermoplastic material ZA886887B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE8701043A BE1000910A3 (fr) 1987-09-16 1987-09-16 Vis d'extrusion de matiere thermoplastiques.

Publications (1)

Publication Number Publication Date
ZA886887B true ZA886887B (en) 1989-05-30

Family

ID=3882860

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA886887A ZA886887B (en) 1987-09-16 1988-09-15 Extrusion screw for thermoplastic material

Country Status (8)

Country Link
US (1) US5020915A (de)
EP (1) EP0332673B1 (de)
AT (1) ATE79074T1 (de)
AU (1) AU612412B2 (de)
BE (1) BE1000910A3 (de)
DE (1) DE3873516D1 (de)
WO (1) WO1989002359A1 (de)
ZA (1) ZA886887B (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4214976A1 (de) * 1992-05-06 1993-11-11 Ver Foerderung Inst Kunststoff Verfahren und Vorrichtung zur Montage und Demontage von Extrusionsmaschinen mit hohler Schnecke
US6004668A (en) 1992-08-31 1999-12-21 Andersen Corporation Advanced polymer wood composite
CA2100320C (en) 1992-08-31 2011-02-08 Michael J. Deaner Advanced polymer wood composite
CA2100319C (en) 1992-08-31 2003-10-07 Michael J. Deaner Advanced polymer/wood composite structural member
US5441801A (en) 1993-02-12 1995-08-15 Andersen Corporation Advanced polymer/wood composite pellet process
US5314246A (en) * 1993-07-28 1994-05-24 Eastman Kodak Company Increased barrel-stress extruder
US5948524A (en) 1996-01-08 1999-09-07 Andersen Corporation Advanced engineering resin and wood fiber composite
US5939124A (en) * 1996-07-18 1999-08-17 Wenger Manufacturing, Inc. Method of extrusion cooking an edible material
US6280667B1 (en) 1999-04-19 2001-08-28 Andersen Corporation Process for making thermoplastic-biofiber composite materials and articles including a poly(vinylchloride) component

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6914965A (de) * 1969-10-03 1971-04-06
DE2017580A1 (de) * 1970-04-13 1971-10-28 Barmag Barmer Maschf Schneckenstrangpresse mit einer eingängigen, eine erhöhte Scherung bewirkenden Schnecke
DE2222430A1 (de) * 1972-05-08 1973-11-22 Bucher Guyer Ag Masch Plastifizierschnecke fuer spritzgiessmaschinen und extruder
US3897937A (en) * 1973-08-30 1975-08-05 A Paul Limbach Extruder screw
US4215978A (en) * 1978-07-14 1980-08-05 Ube Industries, Ltd. Resin moulding screws
US4387997A (en) * 1979-12-17 1983-06-14 Scientific Process & Research, Inc. Plasticating extruder screw conveyors
US4321229A (en) * 1980-10-22 1982-03-23 Union Carbide Corporation Method for extruding linear polyolefin materials having high viscosities
US4425044A (en) * 1981-10-21 1984-01-10 Union Carbide Corporation Mixer heads for polyolefin extruders
US4798473A (en) * 1983-04-29 1989-01-17 Rauwendaal Christiaan J Extruder screw
CH662531A5 (de) * 1983-09-30 1987-10-15 Netstal Ag Maschf Giesserei Schnecken-plastifizier- und foerdereinrichtung einer kunststoff-spritzgiessmaschine.
US4875847A (en) * 1984-04-23 1989-10-24 Wenger Manufacturing, Inc. Twin-screw extruder having respective conical nose screw sections
US4733970A (en) * 1985-09-09 1988-03-29 Sterling Extruder Corporation Extruder screw

Also Published As

Publication number Publication date
DE3873516D1 (de) 1992-09-10
EP0332673B1 (de) 1992-08-05
BE1000910A3 (fr) 1989-05-16
ATE79074T1 (de) 1992-08-15
US5020915A (en) 1991-06-04
EP0332673A1 (de) 1989-09-20
AU612412B2 (en) 1991-07-11
AU2322688A (en) 1989-04-17
WO1989002359A1 (fr) 1989-03-23

Similar Documents

Publication Publication Date Title
CA2057957A1 (en) Bone Screw
DE3272798D1 (en) Screw
ATE145621T1 (de) Transportvorrichtung mit einer transportschnecke
ATE73893T1 (de) Elliptische gewindeart.
ZA886887B (en) Extrusion screw for thermoplastic material
GR3005926T3 (de)
AU6841894A (en) Thread-forming screw
DE59400519D1 (de) Befestigungselement mit spannungsoptimiertem Gewindeprofil
ATE29771T1 (de) Gewindeselbstformende schraube.
DE69222019D1 (de) Verriegelungsnagel für die Versorgung von Frakturen der Röhrenknochen
NZ240156A (en) Compressor; screw with decreasing pitch
ES281652Y (es) Tornillo de cabeza hendida
DE59200308D1 (de) Schraube.
Julien Extrusion Screw for Thermoplastic Matter
EP0557702A3 (de)
ES2019405B3 (es) Tornillo para la fijacion de distancia de elementos de construccion
GB2270643B (en) Producing continuous helical flighting for screw conveyors
ES2002474A6 (es) Casquillo roscado autocortante para materiales plasticos
GB2005171A (en) Self-piercing and self-tapping screw
CA2053012A1 (en) Fixing means
ES8601757A1 (es) Mejoras introducidas en un aparato para desplazar y triturar materiales termoplasticos
DE69423721T2 (de) Photoapparat oder Gerät, welches für die Verwendung von Filmpatronen geeignet ist - oder Vorrichtung, welche in solchen Photoapparaten oder Geräten benutzbar ist
ATE71438T1 (de) Selbstsperrende schraube.
IT1175571B (it) Dispositivo per la raccolta di filato su rocca conica con compensazione della velocita' di avvolgimento
BR9104293A (pt) Parafuso cilindrico bicortical auto-rosqueante com rosca para expansao alveolar