IT1172161B - Estrusore per la fabbricazione di tubi plastica - Google Patents

Estrusore per la fabbricazione di tubi plastica

Info

Publication number
IT1172161B
IT1172161B IT49931/81A IT4993181A IT1172161B IT 1172161 B IT1172161 B IT 1172161B IT 49931/81 A IT49931/81 A IT 49931/81A IT 4993181 A IT4993181 A IT 4993181A IT 1172161 B IT1172161 B IT 1172161B
Authority
IT
Italy
Prior art keywords
extruder
manufacture
plastic pipes
pipes
plastic
Prior art date
Application number
IT49931/81A
Other languages
English (en)
Other versions
IT8149931A0 (it
Inventor
Juho Henrik Heino Aarne
Erkki Ilmari Puolakka
Pertti Olavi Tormala
Original Assignee
Proplast Oy
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 Proplast Oy filed Critical Proplast Oy
Publication of IT8149931A0 publication Critical patent/IT8149931A0/it
Application granted granted Critical
Publication of IT1172161B publication Critical patent/IT1172161B/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
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single 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
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • 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
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • 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
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/33—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles with parts rotatable relative to each other

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
IT49931/81A 1980-12-19 1981-12-17 Estrusore per la fabbricazione di tubi plastica IT1172161B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI803964A FI803964L (fi) 1980-12-19 1980-12-19 Extruder foer framstaellning av plastroer

Publications (2)

Publication Number Publication Date
IT8149931A0 IT8149931A0 (it) 1981-12-17
IT1172161B true IT1172161B (it) 1987-06-18

Family

ID=8513995

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49931/81A IT1172161B (it) 1980-12-19 1981-12-17 Estrusore per la fabbricazione di tubi plastica

Country Status (10)

Country Link
JP (1) JPS57128521A (it)
DE (1) DE3149334A1 (it)
DK (1) DK541681A (it)
ES (1) ES8300571A1 (it)
FI (1) FI803964L (it)
FR (1) FR2496546A1 (it)
GB (1) GB2089717A (it)
IT (1) IT1172161B (it)
NL (1) NL8105611A (it)
SE (1) SE8107529L (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI79261C (fi) * 1983-03-29 1989-12-11 Mitsui Toatsu Chemicals Foerfarande och anordning foer formning av i vaerme haerdbara plaster.
JPH0244982Y2 (it) * 1985-04-30 1990-11-29
DE8707265U1 (de) * 1987-05-20 1987-08-06 Ruhrchemie Ag, 4200 Oberhausen Extruder zur Herstellung von Rohren und Hohlprofilen
SE461139B (sv) * 1988-10-19 1990-01-15 Curt Andersson Saett att framstaella roer och anordning foer dess framstaellning
JP2500277B2 (ja) * 1990-11-27 1996-05-29 三井東圧化学株式会社 フェノ―ル系樹脂パイプの押出成型方法および装置
SE519100C2 (sv) 1998-10-23 2003-01-14 Wirsbo Bruks Ab Anordning och förfarande för tillverkning av extruderbara formstycken av förnätningsbara polymermaterial
JP4684304B2 (ja) * 2008-01-23 2011-05-18 日東電工株式会社 樹脂発泡体の製造方法及び樹脂発泡体
FI128422B (en) 2019-01-11 2020-04-30 Teknologian Tutkimuskeskus Vtt Oy Single screw extruders and extrusion procedure
CN115401896B (zh) * 2022-09-22 2025-04-11 安徽国升塑业科技有限公司 一种双壁波纹管扩口模块及扩口方法
CN117245889B (zh) * 2023-09-21 2024-07-02 江苏佳润管业有限公司 一种聚乙烯管挤出机

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3244781A (en) * 1962-03-14 1966-04-05 Remington Arms Co Inc Continuous extrusion and orientation of plastic tubing
FR1361159A (fr) * 1963-06-26 1964-05-15 Shell Int Research Tête de filière pour l'extrusion de tubes thermoplastiques et tubes obtenus avec celle-ci
US3387331A (en) * 1965-07-27 1968-06-11 Rexall Drug Chemical Apparatus for extruding seamless plastic tubing

Also Published As

Publication number Publication date
FR2496546A1 (fr) 1982-06-25
DE3149334A1 (de) 1982-07-15
FI803964A7 (fi) 1982-06-20
DK541681A (da) 1982-06-20
ES508640A0 (es) 1982-11-01
GB2089717A (en) 1982-06-30
ES8300571A1 (es) 1982-11-01
JPS57128521A (en) 1982-08-10
IT8149931A0 (it) 1981-12-17
SE8107529L (sv) 1982-06-20
NL8105611A (nl) 1982-07-16
FI803964L (fi) 1982-06-20

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