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BE794766A - EXTRUCTION DEVICE - Google Patents

EXTRUCTION DEVICE

Info

Publication number
BE794766A
BE794766A BE794766DA BE794766A BE 794766 A BE794766 A BE 794766A BE 794766D A BE794766D A BE 794766DA BE 794766 A BE794766 A BE 794766A
Authority
BE
Belgium
Prior art keywords
extruction
extruction device
Prior art date
Application number
Other languages
Dutch (nl)
Original Assignee
Shell Int Research
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.)
Publication date
Publication of BE794766A publication Critical patent/BE794766A/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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/3442—Mixing, kneading or conveying the foamable material
    • B29C44/3446—Feeding the blowing agent
    • B29C44/3449—Feeding the blowing agent through the screw
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/3442—Mixing, kneading or conveying the foamable material
    • 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
    • B29C48/76—Venting, drying means; Degassing means
    • B29C48/765—Venting, drying means; Degassing means in the extruder apparatus
    • B29C48/766—Venting, drying means; Degassing means in the extruder apparatus in screw extruders
    • 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)
  • Molding Of Porous Articles (AREA)
BE794766D 1972-02-09 EXTRUCTION DEVICE BE794766A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB605972A GB1378793A (en) 1972-02-09 1972-02-09 Extruder

Publications (1)

Publication Number Publication Date
BE794766A true BE794766A (en) 1973-07-31

Family

ID=9807671

Family Applications (1)

Application Number Title Priority Date Filing Date
BE794766D BE794766A (en) 1972-02-09 EXTRUCTION DEVICE

Country Status (8)

Country Link
JP (1) JPS4892461A (en)
BE (1) BE794766A (en)
CA (1) CA1007410A (en)
DE (1) DE2305914A1 (en)
FR (1) FR2171230B1 (en)
GB (1) GB1378793A (en)
IT (1) IT977738B (en)
NL (1) NL7301695A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5220490A (en) * 1990-10-25 1993-06-15 Microelectronics And Computer Technology Corporation Substrate interconnect allowing personalization using spot surface links

Also Published As

Publication number Publication date
NL7301695A (en) 1973-08-13
DE2305914A1 (en) 1973-08-16
CA1007410A (en) 1977-03-29
IT977738B (en) 1974-09-20
JPS4892461A (en) 1973-11-30
FR2171230B1 (en) 1977-04-22
GB1378793A (en) 1974-12-27
FR2171230A1 (en) 1973-09-21

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