CA1315933C - Methode de fabrication de tuyaux d'acier a gaine plastique - Google Patents

Methode de fabrication de tuyaux d'acier a gaine plastique

Info

Publication number: CA1315933C
Authority: CA; Canada
Prior art keywords: tube; outer layer; die; metal; plastic coating
Prior art date: 1988-09-14
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

CA000577418A

Other languages

English (en)

Inventor

Serge Nadeau

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.)

Nortel Networks Ltd

Original Assignee

Northern Telecom Ltd

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.)

1988-09-14

Filing date

1988-09-14

Publication date

1993-04-13

1988-09-14 Application filed by Northern Telecom Ltd filed Critical Northern Telecom Ltd

1988-09-14 Priority to CA000577418A priority Critical patent/CA1315933C/fr

1993-04-13 Application granted granted Critical

1993-04-13 Publication of CA1315933C publication Critical patent/CA1315933C/fr

2010-04-13 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

238000004519 manufacturing process Methods 0.000 title claims abstract description 14
239000004033 plastic Substances 0.000 title abstract description 14
229920003023 plastic Polymers 0.000 title abstract description 14
229910000831 Steel Inorganic materials 0.000 title description 6
239000010959 steel Substances 0.000 title description 6
229910052751 metal Inorganic materials 0.000 claims abstract description 53
239000002184 metal Substances 0.000 claims abstract description 53
238000005498 polishing Methods 0.000 claims abstract description 48
239000006223 plastic coating Substances 0.000 claims abstract description 43
238000001125 extrusion Methods 0.000 claims abstract description 38
239000000463 material Substances 0.000 claims abstract description 27
238000000034 method Methods 0.000 claims abstract description 25
238000000576 coating method Methods 0.000 claims abstract description 17
239000011248 coating agent Substances 0.000 claims abstract description 9
238000001816 cooling Methods 0.000 claims description 16
239000012809 cooling fluid Substances 0.000 claims description 13
230000004927 fusion Effects 0.000 claims description 12
239000000314 lubricant Substances 0.000 claims description 6
239000012530 fluid Substances 0.000 claims description 4
238000003825 pressing Methods 0.000 claims description 4
238000006073 displacement reaction Methods 0.000 claims 1
229910052782 aluminium Inorganic materials 0.000 description 3
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
239000004698 Polyethylene Substances 0.000 description 2
238000010276 construction Methods 0.000 description 2
-1 polyethylene Polymers 0.000 description 2
229920000573 polyethylene Polymers 0.000 description 2
229920000098 polyolefin Polymers 0.000 description 2
238000011144 upstream manufacturing Methods 0.000 description 2
241000324343 Causa Species 0.000 description 1
241000905957 Channa melasoma Species 0.000 description 1
241000950638 Symphysodon discus Species 0.000 description 1
238000004140 cleaning Methods 0.000 description 1
238000007796 conventional method Methods 0.000 description 1
230000006378 damage Effects 0.000 description 1
230000001419 dependent effect Effects 0.000 description 1
229910003460 diamond Inorganic materials 0.000 description 1
239000010432 diamond Substances 0.000 description 1
230000000694 effects Effects 0.000 description 1
230000001050 lubricating effect Effects 0.000 description 1
239000010409 thin film Substances 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)

CA000577418A 1988-09-14 1988-09-14 Methode de fabrication de tuyaux d'acier a gaine plastique Expired - Fee Related CA1315933C (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA000577418A CA1315933C (fr)	1988-09-14	1988-09-14	Methode de fabrication de tuyaux d'acier a gaine plastique

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA000577418A CA1315933C (fr)	1988-09-14	1988-09-14	Methode de fabrication de tuyaux d'acier a gaine plastique

Publications (1)

Publication Number	Publication Date
CA1315933C true CA1315933C (fr)	1993-04-13

Family

ID=4138728

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000577418A Expired - Fee Related CA1315933C (fr)	1988-09-14	1988-09-14	Methode de fabrication de tuyaux d'acier a gaine plastique

Country Status (1)

Country	Link
CA (1)	CA1315933C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN117799140A (zh) *	2023-12-06	2024-04-02	广东联塑科技实业有限公司	Rtp输氢管外层复合装置及其使用方法

1988
- 1988-09-14 CA CA000577418A patent/CA1315933C/fr not_active Expired - Fee Related

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN117799140A (zh) *	2023-12-06	2024-04-02	广东联塑科技实业有限公司	Rtp输氢管外层复合装置及其使用方法

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Legal Events

Date	Code	Title	Description
1995-10-15	MKLA	Lapsed