IT990578B - Coclea per la lavorazione ed ali mentazione di materie plastiche o gomma - Google Patents

Coclea per la lavorazione ed ali mentazione di materie plastiche o gomma

Info

Publication number
IT990578B
IT990578B IT24446/73A IT2444673A IT990578B IT 990578 B IT990578 B IT 990578B IT 24446/73 A IT24446/73 A IT 24446/73A IT 2444673 A IT2444673 A IT 2444673A IT 990578 B IT990578 B IT 990578B
Authority
IT
Italy
Prior art keywords
winging
auger
rubber
processing
plastic materials
Prior art date
Application number
IT24446/73A
Other languages
English (en)
Original Assignee
Usm Corp
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 Usm Corp filed Critical Usm Corp
Application granted granted Critical
Publication of IT990578B publication Critical patent/IT990578B/it

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
    • B29C48/62—Screws characterised by the shape of the thread channel, e.g. U-shaped
    • 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)
  • Injection Moulding Of Plastics Or The Like (AREA)
IT24446/73A 1972-05-25 1973-05-23 Coclea per la lavorazione ed ali mentazione di materie plastiche o gomma IT990578B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2456572 1972-05-25

Publications (1)

Publication Number Publication Date
IT990578B true IT990578B (it) 1975-07-10

Family

ID=10213637

Family Applications (1)

Application Number Title Priority Date Filing Date
IT24446/73A IT990578B (it) 1972-05-25 1973-05-23 Coclea per la lavorazione ed ali mentazione di materie plastiche o gomma

Country Status (4)

Country Link
JP (1) JPS4950059A (it)
DE (1) DE2326858A1 (it)
FR (1) FR2185484A1 (it)
IT (1) IT990578B (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10532490B2 (en) * 2016-04-06 2020-01-14 Davis-Standard, Llc Plasticating apparatus screw having grooves of varying angles and depths

Also Published As

Publication number Publication date
FR2185484A1 (en) 1974-01-04
FR2185484B3 (it) 1976-05-14
JPS4950059A (it) 1974-05-15
DE2326858A1 (de) 1973-12-06

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