CA2429888C - Processus et appareil pour former des feuilles en plastique - Google Patents

Processus et appareil pour former des feuilles en plastique Download PDF

Info

Publication number: CA2429888C
Authority: CA; Canada
Prior art keywords: sheet; die; resin; optical; resins
Prior art date: 1998-11-02
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

CA002429888A

Other languages

English (en)

Other versions

CA2429888A1 (fr

Inventor

Steven David Fields

Garo Khanarian

Jeffrey Lawrence Daecher

Alan Daniel Stein

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.)

Rohm and Haas Co

Original Assignee

Rohm and Haas Co

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.)

1998-11-02

Filing date

1999-10-21

Publication date

2004-01-20

1998-11-02 Priority claimed from US09/184,391 external-priority patent/US6183829B1/en

1999-05-25 Priority claimed from US09/320,121 external-priority patent/US6280808B1/en

1999-10-21 Application filed by Rohm and Haas Co filed Critical Rohm and Haas Co

1999-10-21 Priority claimed from CA002287055A external-priority patent/CA2287055C/fr

2000-05-02 Publication of CA2429888A1 publication Critical patent/CA2429888A1/fr

2004-01-20 Application granted granted Critical

2004-01-20 Publication of CA2429888C publication Critical patent/CA2429888C/fr

2019-10-21 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

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238000000807 solvent casting Methods 0.000 description 1
230000003068 static effect Effects 0.000 description 1
239000010959 steel Substances 0.000 description 1
QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
229920003002 synthetic resin Polymers 0.000 description 1
150000003504 terephthalic acids Chemical class 0.000 description 1
238000005382 thermal cycling Methods 0.000 description 1
229920001169 thermoplastic Polymers 0.000 description 1
239000010409 thin film Substances 0.000 description 1
ANRHNWWPFJCPAZ-UHFFFAOYSA-M thionine Chemical compound [Cl-].C1=CC(N)=CC2=[S+]C3=CC(N)=CC=C3N=C21 ANRHNWWPFJCPAZ-UHFFFAOYSA-M 0.000 description 1

Landscapes

Manufacture Of Macromolecular Shaped Articles (AREA)
Polarising Elements (AREA)
Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Shaping Of Tube Ends By Bending Or Straightening (AREA)
Extrusion Moulding Of Plastics Or The Like (AREA)

CA002429888A 1998-11-02 1999-10-21 Processus et appareil pour former des feuilles en plastique Expired - Fee Related CA2429888C (fr)

Applications Claiming Priority (5)

Application Number	Priority Date	Filing Date	Title
US09/184,391 US6183829B1 (en)	1997-11-07	1998-11-02	Process and apparatus for forming plastic sheet
US09/184,391		1998-11-02
US09/320,121 US6280808B1 (en)	1999-05-25	1999-05-25	Process and apparatus for forming plastic sheet
US09/320,121		1999-05-25
CA002287055A CA2287055C (fr)	1998-11-02	1999-10-21	Processus et appareil pour former des feuilles en plastique

Related Parent Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002287055A Division CA2287055C (fr)	1998-11-02	1999-10-21	Processus et appareil pour former des feuilles en plastique

Publications (2)

Publication Number	Publication Date
CA2429888A1 CA2429888A1 (fr)	2000-05-02
CA2429888C true CA2429888C (fr)	2004-01-20

Family

ID=31191517

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
CA002429888A Expired - Fee Related CA2429888C (fr)	1998-11-02	1999-10-21	Processus et appareil pour former des feuilles en plastique
CA002429890A Expired - Fee Related CA2429890C (fr)	1998-11-02	1999-10-21	Processus et appareil pour former des feuilles en plastique

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
CA002429890A Expired - Fee Related CA2429890C (fr)	1998-11-02	1999-10-21	Processus et appareil pour former des feuilles en plastique

Country Status (1)

Country	Link
CA (2)	CA2429888C (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN116373323A (zh) *	2023-03-16	2023-07-04	易荃志仓(海南)科技有限公司	一种牛奶箱手提扣的装配线

1999
- 1999-10-21 CA CA002429888A patent/CA2429888C/fr not_active Expired - Fee Related
- 1999-10-21 CA CA002429890A patent/CA2429890C/fr not_active Expired - Fee Related

Also Published As

Publication number	Publication date
CA2429890C (fr)	2005-02-15
CA2429888A1 (fr)	2000-05-02
CA2429890A1 (fr)	2000-05-02

Legal Events

Date	Code	Title	Description
2003-06-04	EEER	Examination request
2014-12-02	MKLA	Lapsed	Effective date: 20141021

Publication	Publication Date	Title
US6472031B1 (en)	2002-10-29	Process and apparatus for forming plastic sheet
EP0999033B1 (fr)	2004-06-16	Procédé et appareil pour la fabrication d'une plaque en matériau plastique
US6280808B1 (en)	2001-08-28	Process and apparatus for forming plastic sheet
US6773649B2 (en)	2004-08-10	Film extrusion process for producing thermoplastic film
JP2000296544A5 (fr)	2006-12-21
EP0999031B1 (fr)	2004-06-16	Procédé et dispositif pour former une feuille en matière plastique
US6224805B1 (en)	2001-05-01	Process and apparatus for forming plastic sheet
CA2429888C (fr)	2004-01-20	Processus et appareil pour former des feuilles en plastique
US5147592A (en)	1992-09-15	Process of and apparatus for preparing optical recording medium substrates
JP2009098347A (ja)	2009-05-07	ホログラム記録媒体用ギャップ層およびホログラム記録媒体
US20050077647A1 (en)	2005-04-14	Method for producing low birefringence plastic film
US20030099808A1 (en)	2003-05-29	Method for producing low birefringence, low stress plastic film or sheet with low molecular weight plastic
US20060038314A1 (en)	2006-02-23	Method for producing low birefringence plastic film
JPH04224924A (ja)	1992-08-14	光記録媒体用基板の製造方法
JPH0313561B2 (fr)	1991-02-22
JPS60208242A (ja)	1985-10-19	耐熱性光学用フイルム