ATA169289A - SNAIL, ESPECIALLY DOUBLE SNAIL, FOR AN EXTRACTION PRESS FOR THE PROCESSING OF PLASTICS - Google Patents

SNAIL, ESPECIALLY DOUBLE SNAIL, FOR AN EXTRACTION PRESS FOR THE PROCESSING OF PLASTICS

Info

Publication number
ATA169289A
ATA169289A AT0169289A AT169289A ATA169289A AT A169289 A ATA169289 A AT A169289A AT 0169289 A AT0169289 A AT 0169289A AT 169289 A AT169289 A AT 169289A AT A169289 A ATA169289 A AT A169289A
Authority
AT
Austria
Prior art keywords
snail
plastics
processing
especially double
extraction press
Prior art date
Application number
AT0169289A
Other languages
German (de)
Other versions
AT401156B (en
Inventor
Dieter Ing Stricker
Original Assignee
Cincinnati Milacron Austria
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 Cincinnati Milacron Austria filed Critical Cincinnati Milacron Austria
Priority to AT0169289A priority Critical patent/AT401156B/en
Priority to DE4021550A priority patent/DE4021550A1/en
Publication of ATA169289A publication Critical patent/ATA169289A/en
Application granted granted Critical
Publication of AT401156B publication Critical patent/AT401156B/en

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
    • B29C48/36—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
    • B29C48/395—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
    • B29C48/40—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 using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • B29C48/402—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 using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders the screws having intermeshing parts
    • 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
    • B29C48/52—Screws with an outer diameter varying along the longitudinal axis, e.g. for obtaining different thread clearance
    • B29C48/525—Conical screws
    • 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)
  • Injection Moulding Of Plastics Or The Like (AREA)
AT0169289A 1989-07-12 1989-07-12 SNAIL, ESPECIALLY DOUBLE SNAIL, FOR AN EXTRACTION PRESS FOR THE PROCESSING OF PLASTICS AT401156B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AT0169289A AT401156B (en) 1989-07-12 1989-07-12 SNAIL, ESPECIALLY DOUBLE SNAIL, FOR AN EXTRACTION PRESS FOR THE PROCESSING OF PLASTICS
DE4021550A DE4021550A1 (en) 1989-07-12 1990-07-09 Double screw extrusion of plastics without compression increase - with inward tapering screw with increasing pitch but decreasing channel depth which retains constant vol. between adjacent flights

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0169289A AT401156B (en) 1989-07-12 1989-07-12 SNAIL, ESPECIALLY DOUBLE SNAIL, FOR AN EXTRACTION PRESS FOR THE PROCESSING OF PLASTICS

Publications (2)

Publication Number Publication Date
ATA169289A true ATA169289A (en) 1995-11-15
AT401156B AT401156B (en) 1996-07-25

Family

ID=3518935

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0169289A AT401156B (en) 1989-07-12 1989-07-12 SNAIL, ESPECIALLY DOUBLE SNAIL, FOR AN EXTRACTION PRESS FOR THE PROCESSING OF PLASTICS

Country Status (2)

Country Link
AT (1) AT401156B (en)
DE (1) DE4021550A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3939578A (en) * 1973-06-20 1976-02-24 Elizabeth Jane Putnam Coffey Educational board game apparatus

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0596835B1 (en) * 1992-11-03 1997-08-06 Illinois Institute Of Technology Solid state shear extrusion pulverization
US5395055A (en) * 1992-11-03 1995-03-07 Illinois Institute Of Technology Solid state shear extrusion pulverization
US5415354A (en) * 1992-11-03 1995-05-16 Illinois Institute Of Technology Solid state shear extrusion pulverization
US5397065A (en) * 1992-11-03 1995-03-14 Illinois Institute Of Technology Solid state shear extrusion pulverization
US6030162A (en) * 1998-12-18 2000-02-29 Acumed, Inc. Axial tension screw
US5964768A (en) * 1993-01-21 1999-10-12 Acumed, Inc. Tapered bone screw with continuously varying pitch
US6299615B1 (en) 1993-01-21 2001-10-09 Acumed, Inc. System for fusing joints
US8070786B2 (en) 1993-01-21 2011-12-06 Acumed Llc System for fusing joints
US9161793B2 (en) 1993-01-21 2015-10-20 Acumed Llc Axial tension screw
US6984235B2 (en) 1993-01-21 2006-01-10 Acumed Llc System for fusing joints
US5871486A (en) * 1993-01-21 1999-02-16 Acumed, Inc. Variable pitch bone screw
US5704555A (en) * 1993-08-02 1998-01-06 Illinois Institute Of Technology Single-screw extruder for solid state shear extrusion pulverization and method
US5743471A (en) * 1993-08-02 1998-04-28 Illinois Institute Of Technology Solid state shear extrusion pulverization
EP0744269A3 (en) * 1995-05-24 1997-09-10 American Maplan Corp Double-screw extruder
EP0927622A1 (en) * 1997-11-13 1999-07-07 Gebrüder Kömmerling Kunststoffwerke GmbH Twin screw extruder
US6468277B1 (en) 2000-04-04 2002-10-22 Ethicon, Inc. Orthopedic screw and method
DE102010003601B4 (en) * 2010-04-01 2015-05-13 Frank Börner Twin-screw extruder
FR3144037A1 (en) * 2022-12-23 2024-06-28 Compagnie Generale Des Etablissements Michelin MINIATURISTED VOLUMETRIC EXTRUDER USING TWIN CONICAL SCREWS EACH PROVIDED WITH A THREAD THE PITCH OF WHICH INCREASES TO MAINTAIN A CONSTANT CYLINDER

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU28755A1 (en) * 1944-03-29 1900-01-01
US2466934A (en) * 1946-01-05 1949-04-12 Charles E Dellenbarger Extruding machine for plastic material
US3470584A (en) * 1965-11-30 1969-10-07 Sekisui Chemical Co Ltd Extruder for shaping powdery thermoplastic resins
US3518721A (en) * 1966-03-29 1970-07-07 Vasily Alexandrovich Rukas Screw extruder for reprocessing thermoplastics
AT371058B (en) * 1980-11-10 1983-05-25 Maplan Masch Tech Anlagen DOUBLE SCREW PRESS
AT376397B (en) * 1982-12-21 1984-11-12 Cincinnati Milacron Austria SCREW EXTRUSION PRESS

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3939578A (en) * 1973-06-20 1976-02-24 Elizabeth Jane Putnam Coffey Educational board game apparatus

Also Published As

Publication number Publication date
DE4021550A1 (en) 1991-01-24
AT401156B (en) 1996-07-25

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee