AT348247B - Vorrichtung zum herstellen von isolierrohren - Google Patents

Vorrichtung zum herstellen von isolierrohren

Info

Publication number
AT348247B
AT348247B AT613474A AT613474A AT348247B AT 348247 B AT348247 B AT 348247B AT 613474 A AT613474 A AT 613474A AT 613474 A AT613474 A AT 613474A AT 348247 B AT348247 B AT 348247B
Authority
AT
Austria
Prior art keywords
insulating pipes
manufacturing insulating
manufacturing
pipes
insulating
Prior art date
Application number
AT613474A
Other languages
English (en)
Other versions
ATA613474A (de
Original Assignee
Rakennusmuovi 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 Rakennusmuovi Oy filed Critical Rakennusmuovi Oy
Priority to AT613474A priority Critical patent/AT348247B/de
Publication of ATA613474A publication Critical patent/ATA613474A/de
Application granted granted Critical
Publication of AT348247B publication Critical patent/AT348247B/de

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
    • B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
    • B29C44/22—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length consisting of at least two parts of chemically or physically different materials, e.g. having different densities
    • 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
    • B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
    • B29C48/151—Coating hollow 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
    • 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
    • B29C48/03—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
    • B29C48/11—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels comprising two or more partially or fully enclosed cavities, e.g. honeycomb-shaped

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
AT613474A 1974-07-25 1974-07-25 Vorrichtung zum herstellen von isolierrohren AT348247B (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT613474A AT348247B (de) 1974-07-25 1974-07-25 Vorrichtung zum herstellen von isolierrohren

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT613474A AT348247B (de) 1974-07-25 1974-07-25 Vorrichtung zum herstellen von isolierrohren

Publications (2)

Publication Number Publication Date
ATA613474A ATA613474A (de) 1978-06-15
AT348247B true AT348247B (de) 1979-02-12

Family

ID=3583223

Family Applications (1)

Application Number Title Priority Date Filing Date
AT613474A AT348247B (de) 1974-07-25 1974-07-25 Vorrichtung zum herstellen von isolierrohren

Country Status (1)

Country Link
AT (1) AT348247B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19961306A1 (de) * 1999-12-18 2001-07-05 Veka Ag Extrusionsvorrichtung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19961306A1 (de) * 1999-12-18 2001-07-05 Veka Ag Extrusionsvorrichtung
DE19961306C2 (de) * 1999-12-18 2002-10-31 Veka Ag Extrusionsvorrichtung

Also Published As

Publication number Publication date
ATA613474A (de) 1978-06-15

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee