NL7600221A - PLASTIC SCREW WITH ROLL HEAD - Google Patents

PLASTIC SCREW WITH ROLL HEAD

Info

Publication number
NL7600221A
NL7600221A NL7600221A NL7600221A NL7600221A NL 7600221 A NL7600221 A NL 7600221A NL 7600221 A NL7600221 A NL 7600221A NL 7600221 A NL7600221 A NL 7600221A NL 7600221 A NL7600221 A NL 7600221A
Authority
NL
Netherlands
Prior art keywords
plastic screw
roll head
roll
head
plastic
Prior art date
Application number
NL7600221A
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 NL7600221A publication Critical patent/NL7600221A/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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/58—Details
    • B29C45/60—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)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
NL7600221A 1975-10-07 1976-01-09 PLASTIC SCREW WITH ROLL HEAD NL7600221A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1302375A CH587115A5 (en) 1975-10-07 1975-10-07

Publications (1)

Publication Number Publication Date
NL7600221A true NL7600221A (en) 1977-04-13

Family

ID=4388612

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7600221A NL7600221A (en) 1975-10-07 1976-01-09 PLASTIC SCREW WITH ROLL HEAD

Country Status (7)

Country Link
JP (1) JPS5245659A (en)
CH (1) CH587115A5 (en)
DE (1) DE2604520A1 (en)
ES (1) ES444477A1 (en)
FR (1) FR2327049A1 (en)
IT (1) IT1052687B (en)
NL (1) NL7600221A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1595850A (en) * 1978-05-31 1981-08-19 Hpm Corp Extruder with multi-channel wave screw
JPS6179087A (en) * 1984-09-25 1986-04-22 三井東圧化学株式会社 Resin pipe for transferring fluid
AU647527B2 (en) * 1990-08-27 1994-03-24 E.I. Du Pont De Nemours And Company Direct fabrication of articles from incompatible resins
US5114658A (en) * 1990-11-15 1992-05-19 E. I. Du Pont De Nemours And Company One step preparation and fabrication of partially grafted flexible thermoplastic compositions
AU2000271150A1 (en) * 2000-09-01 2002-03-22 James D. Fogarty Thermoplastic foam extrusion assembly
WO2020254467A1 (en) * 2019-06-21 2020-12-24 Lego A/S An extruder screw, an injection molding apparatus and a method of injection molding

Also Published As

Publication number Publication date
JPS5245659A (en) 1977-04-11
DE2604520A1 (en) 1977-04-21
FR2327049A1 (en) 1977-05-06
CH587115A5 (en) 1977-04-29
ES444477A1 (en) 1977-09-16
FR2327049B3 (en) 1978-10-13
IT1052687B (en) 1981-07-20

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Legal Events

Date Code Title Description
BV The patent application has lapsed