CA2343935C - Systeme de prevention de coulure - Google Patents

Systeme de prevention de coulure Download PDF

Info

Publication number: CA2343935C
Authority: CA; Canada
Prior art keywords: mold; valve; relation; stock; head
Prior art date: 1990-06-27
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 - Lifetime

Application number

CA002343935A

Other languages

English (en)

Other versions

CA2343935A1 (fr

Inventor

Nick Travaglini

Victor Wilson

David Brown

Harald Gaul

Yosif Kushnir

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.)

StackTeck Systems Ltd

Original Assignee

Stackteck Systems Canada Inc

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.)

1990-06-27

Filing date

1990-07-26

Publication date

2002-09-03

1990-06-27 Priority claimed from US07/544,453 external-priority patent/US5229145A/en

1990-07-26 Application filed by Stackteck Systems Canada Inc filed Critical Stackteck Systems Canada Inc

1991-12-28 Publication of CA2343935A1 publication Critical patent/CA2343935A1/fr

2002-09-03 Application granted granted Critical

2002-09-03 Publication of CA2343935C publication Critical patent/CA2343935C/fr

2010-07-26 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

230000002265 prevention Effects 0.000 title claims abstract description 12
239000012530 fluid Substances 0.000 claims abstract description 21
238000000465 moulding Methods 0.000 claims abstract description 11
238000007789 sealing Methods 0.000 claims description 17
238000006073 displacement reaction Methods 0.000 claims description 13
238000002347 injection Methods 0.000 abstract description 19
239000007924 injection Substances 0.000 abstract description 19
239000004033 plastic Substances 0.000 abstract description 8
229920003023 plastic Polymers 0.000 abstract description 8
206010013642 Drooling Diseases 0.000 abstract description 4
208000008630 Sialorrhea Diseases 0.000 abstract description 4
238000002955 isolation Methods 0.000 abstract description 2
230000004888 barrier function Effects 0.000 description 8
238000011144 upstream manufacturing Methods 0.000 description 6
238000011109 contamination Methods 0.000 description 5
239000000047 product Substances 0.000 description 5
238000004519 manufacturing process Methods 0.000 description 4
230000009471 action Effects 0.000 description 3
238000001746 injection moulding Methods 0.000 description 3
238000000926 separation method Methods 0.000 description 3
238000010276 construction Methods 0.000 description 2
230000000694 effects Effects 0.000 description 2
230000004044 response Effects 0.000 description 2
238000005576 amination reaction Methods 0.000 description 1
230000004323 axial length Effects 0.000 description 1
230000008859 change Effects 0.000 description 1
238000006243 chemical reaction Methods 0.000 description 1
230000006835 compression Effects 0.000 description 1
238000007906 compression Methods 0.000 description 1
230000003467 diminishing effect Effects 0.000 description 1
230000012010 growth Effects 0.000 description 1
208000015181 infectious disease Diseases 0.000 description 1
235000015073 liquid stocks Nutrition 0.000 description 1
230000009467 reduction Effects 0.000 description 1
230000003252 repetitive effect Effects 0.000 description 1
239000013589 supplement Substances 0.000 description 1
230000001360 synchronised effect Effects 0.000 description 1
229920002725 thermoplastic elastomer Polymers 0.000 description 1

Landscapes

Moulds For Moulding Plastics Or The Like (AREA)
Injection Moulding Of Plastics Or The Like (AREA)
Casting Or Compression Moulding Of Plastics Or The Like (AREA)

CA002343935A 1990-06-27 1990-07-26 Systeme de prevention de coulure Expired - Lifetime CA2343935C (fr)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
US07/544,453 US5229145A (en)	1990-06-27	1990-06-27	Multi-level stacked mold system
US07/544,453		1990-06-27
CA002022060A CA2022060C (fr)	1990-06-27	1990-07-26	Methode de moulage a moules empiles sur plusieurs niveaux

Related Parent Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002022060A Division CA2022060C (fr)	1990-06-27	1990-07-26	Methode de moulage a moules empiles sur plusieurs niveaux

Publications (2)

Publication Number	Publication Date
CA2343935A1 CA2343935A1 (fr)	1991-12-28
CA2343935C true CA2343935C (fr)	2002-09-03

Family

ID=25674224

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
CA002343877A Expired - Lifetime CA2343877C (fr)	1990-06-27	1990-07-26	Procede pour augmenter la capacite de production d'article par moulage a moules empiles
CA002343935A Expired - Lifetime CA2343935C (fr)	1990-06-27	1990-07-26	Systeme de prevention de coulure

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
CA002343877A Expired - Lifetime CA2343877C (fr)	1990-06-27	1990-07-26	Procede pour augmenter la capacite de production d'article par moulage a moules empiles

Country Status (1)

Country	Link
CA (2)	CA2343877C (fr)

1990
- 1990-07-26 CA CA002343877A patent/CA2343877C/fr not_active Expired - Lifetime
- 1990-07-26 CA CA002343935A patent/CA2343935C/fr not_active Expired - Lifetime

Also Published As

Publication number	Publication date
CA2343877C (fr)	2002-09-03
CA2343877A1 (fr)	1991-12-28
CA2343935A1 (fr)	1991-12-28

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Legal Events

Date	Code	Title	Description
2001-10-30	EEER	Examination request
2010-07-26	MKEX	Expiry