CA1282216C - Methode et appareil d'extrusion de tubes plastiques - Google Patents

Methode et appareil d'extrusion de tubes plastiques

Info

Publication number: CA1282216C
Authority: CA; Canada
Prior art keywords: mandrel; ribs; tube; screw; nozzle
Prior art date: 1987-05-06
Legal status (The legal status 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 status listed.): Expired - Fee Related

Application number

CA000536481A

Other languages

English (en)

Inventor

PER BõEN

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Sonnichsen Rorvalseverket AS

Original Assignee

Sonnichsen Rorvalseverket AS

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.)

1987-05-06

Filing date

1987-05-06

Publication date

1991-04-02

1987-05-06 Application filed by Sonnichsen Rorvalseverket AS filed Critical Sonnichsen Rorvalseverket AS

1987-05-06 Priority to CA000536481A priority Critical patent/CA1282216C/fr

1991-04-02 Application granted granted Critical

1991-04-02 Publication of CA1282216C publication Critical patent/CA1282216C/fr

2008-04-02 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

238000000034 method Methods 0.000 title claims abstract description 14
238000001125 extrusion Methods 0.000 title claims abstract description 8
238000000465 moulding Methods 0.000 claims abstract description 12
238000003466 welding Methods 0.000 claims description 4
239000000463 material Substances 0.000 abstract description 19
238000004519 manufacturing process Methods 0.000 description 2
230000003313 weakening effect Effects 0.000 description 2
230000000694 effects Effects 0.000 description 1
239000000543 intermediate Substances 0.000 description 1
239000007788 liquid Substances 0.000 description 1
230000001050 lubricating effect Effects 0.000 description 1
230000007704 transition Effects 0.000 description 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1

Landscapes

Extrusion Moulding Of Plastics Or The Like (AREA)

CA000536481A 1987-05-06 1987-05-06 Methode et appareil d'extrusion de tubes plastiques Expired - Fee Related CA1282216C (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA000536481A CA1282216C (fr)	1987-05-06	1987-05-06	Methode et appareil d'extrusion de tubes plastiques

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA000536481A CA1282216C (fr)	1987-05-06	1987-05-06	Methode et appareil d'extrusion de tubes plastiques

Publications (1)

Publication Number	Publication Date
CA1282216C true CA1282216C (fr)	1991-04-02

Family

ID=4135593

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000536481A Expired - Fee Related CA1282216C (fr)	1987-05-06	1987-05-06	Methode et appareil d'extrusion de tubes plastiques

Country Status (1)

Country	Link
CA (1)	CA1282216C (fr)

1987
- 1987-05-06 CA CA000536481A patent/CA1282216C/fr not_active Expired - Fee Related

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Legal Events

Date	Code	Title	Description
1999-04-06	MKLA	Lapsed