CA2235547A1 - Division reguliere du flux de matiere fondue lors de l'extrusion de films souffles - Google Patents

Division reguliere du flux de matiere fondue lors de l'extrusion de films souffles

Info

Publication number: CA2235547A1
Authority: CA; Canada
Prior art keywords: flow; ring; distribution ring; feed; distribution
Prior art date: 1996-08-26
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.): Granted

Application number

CA002235547A

Other languages

English (en)

Other versions

CA2235547C (fr

Inventor

Robert E. Cree

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.)

Addex Inc

Original Assignee

Individual

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.)

1996-08-26

Filing date

1997-08-26

Publication date

1998-03-05

1996-08-26 Priority claimed from US08/702,917 external-priority patent/US6190152B1/en

1997-08-26 Application filed by Individual filed Critical Individual

1997-08-26 Priority to CA002526196A priority Critical patent/CA2526196C/fr

1998-03-05 Publication of CA2235547A1 publication Critical patent/CA2235547A1/fr

2006-03-21 Application granted granted Critical

2006-03-21 Publication of CA2235547C publication Critical patent/CA2235547C/fr

2017-08-26 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

238000001125 extrusion Methods 0.000 title abstract 2
230000006798 recombination Effects 0.000 abstract 2
238000005215 recombination Methods 0.000 abstract 2
230000002939 deleterious effect Effects 0.000 abstract 1
230000000694 effects Effects 0.000 abstract 1
238000012667 polymer degradation Methods 0.000 abstract 1

Landscapes

Extrusion Moulding Of Plastics Or The Like (AREA)

CA002235547A 1996-08-26 1997-08-26 Division reguliere du flux de matiere fondue lors de l'extrusion de films souffles Expired - Fee Related CA2235547C (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA002526196A CA2526196C (fr)	1996-08-26	1997-08-26	Division reguliere du flux de matiere fondue lors de l'extrusion de films souffles

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
US08/702,917		1996-08-26
US08/702,917 US6190152B1 (en)	1996-08-26	1996-08-26	Regular division of molten extrusion flow
PCT/US1997/014952 WO1998008669A1 (fr)	1996-08-26	1997-08-26	Division reguliere du flux de matiere fondue lors de l'extrusion de films souffles

Related Child Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002526196A Division CA2526196C (fr)	1996-08-26	1997-08-26	Division reguliere du flux de matiere fondue lors de l'extrusion de films souffles

Publications (2)

Publication Number	Publication Date
CA2235547A1 true CA2235547A1 (fr)	1998-03-05
CA2235547C CA2235547C (fr)	2006-03-21

Family

ID=36101539

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002235547A Expired - Fee Related CA2235547C (fr)	1996-08-26	1997-08-26	Division reguliere du flux de matiere fondue lors de l'extrusion de films souffles

Country Status (1)

Country	Link
CA (1)	CA2235547C (fr)

1997
- 1997-08-26 CA CA002235547A patent/CA2235547C/fr not_active Expired - Fee Related

Also Published As

Publication number	Publication date
CA2235547C (fr)	2006-03-21

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Legal Events

Date	Code	Title	Description
2002-08-23	EEER	Examination request
2016-10-08	MKLA	Lapsed	Effective date: 20160826