NL7600222A - PLASTIC SCREW FOR PLASTIC MATERIALS WITH GROOVES ON THE SCREW-LINE PROFILE. - Google Patents

PLASTIC SCREW FOR PLASTIC MATERIALS WITH GROOVES ON THE SCREW-LINE PROFILE.

Info

Publication number
NL7600222A
NL7600222A NL7600222A NL7600222A NL7600222A NL 7600222 A NL7600222 A NL 7600222A NL 7600222 A NL7600222 A NL 7600222A NL 7600222 A NL7600222 A NL 7600222A NL 7600222 A NL7600222 A NL 7600222A
Authority
NL
Netherlands
Prior art keywords
screw
plastic
grooves
line profile
plastic materials
Prior art date
Application number
NL7600222A
Other languages
Dutch (nl)
Original Assignee
Sandretto Spa
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 Sandretto Spa filed Critical Sandretto Spa
Publication of NL7600222A publication Critical patent/NL7600222A/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
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/59—Screws characterised by details of the thread, i.e. the shape of a single thread of the material-feeding screw
    • B29C48/60—Thread tops
    • 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)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Screw Conveyors (AREA)
NL7600222A 1975-10-07 1976-01-09 PLASTIC SCREW FOR PLASTIC MATERIALS WITH GROOVES ON THE SCREW-LINE PROFILE. NL7600222A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1302475A CH587116A5 (en) 1975-10-07 1975-10-07

Publications (1)

Publication Number Publication Date
NL7600222A true NL7600222A (en) 1977-04-13

Family

ID=4388619

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7600222A NL7600222A (en) 1975-10-07 1976-01-09 PLASTIC SCREW FOR PLASTIC MATERIALS WITH GROOVES ON THE SCREW-LINE PROFILE.

Country Status (7)

Country Link
JP (1) JPS5245663A (en)
CH (1) CH587116A5 (en)
DE (1) DE2604631A1 (en)
ES (1) ES444475A1 (en)
FR (1) FR2327050A1 (en)
IT (1) IT1052686B (en)
NL (1) NL7600222A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4227816A (en) * 1978-08-21 1980-10-14 Usm Corporation Rotary processor
EP1308262A1 (en) * 2001-10-31 2003-05-07 Krauss-Maffei Kunststofftechnik GmbH Extruder screw

Also Published As

Publication number Publication date
FR2327050A1 (en) 1977-05-06
JPS5245663A (en) 1977-04-11
IT1052686B (en) 1981-07-20
FR2327050B3 (en) 1978-10-13
DE2604631A1 (en) 1977-04-21
CH587116A5 (en) 1977-04-29
ES444475A1 (en) 1977-10-01

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Legal Events

Date Code Title Description
BV The patent application has lapsed