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GB2028218B - Screw-fed machine for the production of plastics articles and screw therefor - Google Patents

Screw-fed machine for the production of plastics articles and screw therefor

Info

Publication number
GB2028218B
GB2028218B GB7928299A GB7928299A GB2028218B GB 2028218 B GB2028218 B GB 2028218B GB 7928299 A GB7928299 A GB 7928299A GB 7928299 A GB7928299 A GB 7928299A GB 2028218 B GB2028218 B GB 2028218B
Authority
GB
United Kingdom
Prior art keywords
screw
production
therefor
fed machine
plastics articles
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
GB7928299A
Other versions
GB2028218A (en
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.)
Demag Kunststofftechnik Zweigniederlassung der Demag AG
Original Assignee
Demag Kunststofftechnik Zweigniederlassung der Demag AG
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 Demag Kunststofftechnik Zweigniederlassung der Demag AG filed Critical Demag Kunststofftechnik Zweigniederlassung der Demag AG
Publication of GB2028218A publication Critical patent/GB2028218A/en
Application granted granted Critical
Publication of GB2028218B publication Critical patent/GB2028218B/en
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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1634—Making multilayered or multicoloured articles with a non-uniform dispersion of the moulding material in the article, e.g. resulting in a marble effect
    • 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
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/17—Articles comprising two or more components, e.g. co-extruded layers the components having different colours
    • B29C48/175—Articles comprising two or more components, e.g. co-extruded layers the components having different colours comprising a multi-coloured single component, e.g. striated, marbled or wood-like patterned
    • 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)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
GB7928299A 1978-08-23 1979-08-14 Screw-fed machine for the production of plastics articles and screw therefor Expired GB2028218B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782836842 DE2836842A1 (en) 1978-08-23 1978-08-23 SNAIL MACHINE, ESPECIALLY SNAIL INJECTION MOLDING MACHINE FOR THE PRODUCTION OF MULTICOLORED CASTING PARTS FROM PLASTIC WITH MARBLE EFFECT

Publications (2)

Publication Number Publication Date
GB2028218A GB2028218A (en) 1980-03-05
GB2028218B true GB2028218B (en) 1982-08-25

Family

ID=6047732

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7928299A Expired GB2028218B (en) 1978-08-23 1979-08-14 Screw-fed machine for the production of plastics articles and screw therefor

Country Status (5)

Country Link
AT (1) AT368441B (en)
DE (1) DE2836842A1 (en)
FR (1) FR2434026A1 (en)
GB (1) GB2028218B (en)
SE (1) SE7906982L (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3107214A1 (en) * 1981-02-26 1982-09-02 Mannesmann Demag Kunstofftechnik Zweigniederlassung der Mannesmann Demag AG, 8500 Nürnberg SCREW MACHINE FOR THE PRODUCTION OF MULTICOLORED PLASTIC PARTS
DE3334269A1 (en) * 1983-09-22 1985-04-11 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover Process and device for producing marbled webs of thermoplastics or rubber
US4964730A (en) * 1986-08-19 1990-10-23 Alzner Bernard G Plasticating extruder screw
WO1988001227A1 (en) * 1986-08-19 1988-02-25 Alzner Bernard G Plasticising extruder screw
DE19525136C1 (en) * 1995-07-11 1996-08-22 Benecke Kaliko Ag Multicoloured thermoplastic film prodn.
DE29822004U1 (en) 1998-12-10 1999-06-02 HKV Herlitz Kunststoffverarbeitungs GmbH, 13507 Berlin Injection molded part
EP4045264B1 (en) * 2019-10-15 2024-08-14 Basf Se Method and device for producing marbled moulded parts and method for producing said device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1516841A (en) * 1922-04-14 1924-11-25 American Hard Rubber Co Machine for making articles of plastic compounds of different colors
JPS5245606A (en) * 1975-10-09 1977-04-11 Ideal Setsuken Kk Apparatus for extruding stick of solid soap having stripe patterns

Also Published As

Publication number Publication date
ATA529679A (en) 1982-02-15
DE2836842A1 (en) 1980-03-13
GB2028218A (en) 1980-03-05
FR2434026A1 (en) 1980-03-21
SE7906982L (en) 1980-02-24
AT368441B (en) 1982-10-11

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee