DE4015815C2 - - Google Patents

Info

Publication number
DE4015815C2
DE4015815C2 DE4015815A DE4015815A DE4015815C2 DE 4015815 C2 DE4015815 C2 DE 4015815C2 DE 4015815 A DE4015815 A DE 4015815A DE 4015815 A DE4015815 A DE 4015815A DE 4015815 C2 DE4015815 C2 DE 4015815C2
Authority
DE
Germany
Prior art keywords
screw
extruder
auxiliary
housing
conveyor
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 - Lifetime
Application number
DE4015815A
Other languages
German (de)
English (en)
Other versions
DE4015815A1 (de
Inventor
Juergen Dipl.-Ing. 3101 Wathlingen De Voigt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KraussMaffei Extrusion GmbH
Original Assignee
Hermann Berstorff Maschinenbau GmbH
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 Hermann Berstorff Maschinenbau GmbH filed Critical Hermann Berstorff Maschinenbau GmbH
Priority to DE4015815A priority Critical patent/DE4015815A1/de
Publication of DE4015815A1 publication Critical patent/DE4015815A1/de
Application granted granted Critical
Publication of DE4015815C2 publication Critical patent/DE4015815C2/de
Granted legal-status Critical Current

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
    • 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
    • B29C48/425—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 using three or more 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
    • B29C48/25—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
    • B29C48/435—Sub-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)
DE4015815A 1990-05-17 1990-05-17 Extruder mit hilfsfoerderschnecke Granted DE4015815A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE4015815A DE4015815A1 (de) 1990-05-17 1990-05-17 Extruder mit hilfsfoerderschnecke

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4015815A DE4015815A1 (de) 1990-05-17 1990-05-17 Extruder mit hilfsfoerderschnecke

Publications (2)

Publication Number Publication Date
DE4015815A1 DE4015815A1 (de) 1991-11-21
DE4015815C2 true DE4015815C2 (zh) 1992-05-07

Family

ID=6406579

Family Applications (1)

Application Number Title Priority Date Filing Date
DE4015815A Granted DE4015815A1 (de) 1990-05-17 1990-05-17 Extruder mit hilfsfoerderschnecke

Country Status (1)

Country Link
DE (1) DE4015815A1 (zh)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2293297A (en) * 1938-04-09 1942-08-18 Walther H Duisberg Squeezing device for plastic and semplastic masses
BE533182A (zh) * 1953-11-13 1900-01-01
NL258520A (zh) * 1960-03-25 1900-01-01
JPH01200082A (ja) * 1987-12-21 1989-08-11 E I Du Pont De Nemours & Co 改良された歯車ポンプ

Also Published As

Publication number Publication date
DE4015815A1 (de) 1991-11-21

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee