DE3465035D1 - Extruder screw - Google Patents

Extruder screw

Info

Publication number
DE3465035D1
DE3465035D1 DE8484104367T DE3465035T DE3465035D1 DE 3465035 D1 DE3465035 D1 DE 3465035D1 DE 8484104367 T DE8484104367 T DE 8484104367T DE 3465035 T DE3465035 T DE 3465035T DE 3465035 D1 DE3465035 D1 DE 3465035D1
Authority
DE
Germany
Prior art keywords
extruder screw
extruder
screw
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
Application number
DE8484104367T
Other languages
English (en)
Inventor
Christiaan Johan Rauwendaal
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.)
RAUWENDAAL, CHRISTIAAN JOHAN, LOS ALTOS HILLS, CAL
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of DE3465035D1 publication Critical patent/DE3465035D1/de
Expired 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
    • B29C48/50—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
    • B29C48/03—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)
DE8484104367T 1983-04-29 1984-04-17 Extruder screw Expired DE3465035D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US48975983A 1983-04-29 1983-04-29

Publications (1)

Publication Number Publication Date
DE3465035D1 true DE3465035D1 (en) 1987-09-03

Family

ID=23945149

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484104367T Expired DE3465035D1 (en) 1983-04-29 1984-04-17 Extruder screw

Country Status (3)

Country Link
EP (1) EP0124020B1 (de)
JP (1) JPS59209837A (de)
DE (1) DE3465035D1 (de)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2311653A1 (fr) * 1975-05-21 1976-12-17 Bonnel Pierre Boudineuse a vis pour l'extrusion autothermique des matieres thermoplastiques
US4129386A (en) * 1976-06-01 1978-12-12 Akzona Incorporated Extrusion apparatus
US4173445A (en) * 1978-07-17 1979-11-06 Monsanto Company Plastics extrusion apparatus

Also Published As

Publication number Publication date
EP0124020B1 (de) 1987-07-29
JPH0158060B2 (de) 1989-12-08
EP0124020A3 (en) 1985-07-24
JPS59209837A (ja) 1984-11-28
EP0124020A2 (de) 1984-11-07

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: RAUWENDAAL, CHRISTIAAN JOHAN, LOS ALTOS HILLS, CAL

8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: BLUMBACH, P., DIPL.-ING., 6200 WIESBADEN WESER, W., DIPL.-PHYS. DR.RER.NAT. KRAMER, R., DIPL.-ING., 8000 MUENCHEN ZWIRNER, G., DIPL.-ING. DIPL.-WIRTSCH.-ING., 6200 WIESBADEN HOFFMANN, E., DIPL.-ING., PAT.-ANWAELTE, 8000 MUENCHEN

8339 Ceased/non-payment of the annual fee