CA2002007C - Appareil et methode de moulage par injection - Google Patents

Appareil et methode de moulage par injection

Info

Publication number: CA2002007C
Authority: CA; Canada
Prior art keywords: gas; sprue; mold; injection; passage
Prior art date: 1988-11-02
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

CA002002007A

Other languages

English (en)

Other versions

CA2002007A1 (fr

Inventor

Indra R. Baxi

Erik E. Erikson

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.)

Melea Ltd

Original Assignee

Melea 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.)

1988-11-02

Filing date

1989-11-01

Publication date

1998-02-24

1988-11-02 Priority claimed from US07/266,477 external-priority patent/US5066214A/en

1988-11-02 Priority claimed from US07/266,476 external-priority patent/US5015166A/en

1989-11-01 Application filed by Melea Ltd filed Critical Melea Ltd

1989-11-01 Priority to CA002208200A priority Critical patent/CA2208200C/fr

1990-05-02 Publication of CA2002007A1 publication Critical patent/CA2002007A1/fr

1998-02-24 Application granted granted Critical

1998-02-24 Publication of CA2002007C publication Critical patent/CA2002007C/fr

2009-11-01 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

238000000034 method Methods 0.000 title claims abstract description 21
238000001746 injection moulding Methods 0.000 title claims description 15
239000007789 gas Substances 0.000 claims abstract description 159
238000002347 injection Methods 0.000 claims abstract description 90
239000007924 injection Substances 0.000 claims abstract description 90
239000004033 plastic Substances 0.000 claims abstract description 54
229920003023 plastic Polymers 0.000 claims abstract description 54
239000000155 melt Substances 0.000 claims abstract description 26
239000012815 thermoplastic material Substances 0.000 claims abstract description 7
239000011261 inert gas Substances 0.000 claims abstract description 4
238000000465 moulding Methods 0.000 claims description 29
239000000523 sample Substances 0.000 claims description 16
229920001169 thermoplastic Polymers 0.000 claims description 4
239000004416 thermosoftening plastic Substances 0.000 claims description 4
229910000760 Hardened steel Inorganic materials 0.000 claims description 3
229910000831 Steel Inorganic materials 0.000 claims description 2
239000010959 steel Substances 0.000 claims description 2
238000010137 moulding (plastic) Methods 0.000 claims 2
230000000977 initiatory effect Effects 0.000 claims 1
238000009420 retrofitting Methods 0.000 abstract description 6
238000001816 cooling Methods 0.000 abstract description 4
238000006073 displacement reaction Methods 0.000 abstract description 2
239000012768 molten material Substances 0.000 abstract description 2
208000015943 Coeliac disease Diseases 0.000 description 71
239000000463 material Substances 0.000 description 8
230000004048 modification Effects 0.000 description 6
238000012986 modification Methods 0.000 description 6
230000008569 process Effects 0.000 description 5
230000006837 decompression Effects 0.000 description 4
238000003860 storage Methods 0.000 description 4
238000009826 distribution Methods 0.000 description 3
239000012530 fluid Substances 0.000 description 3
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
229910052709 silver Inorganic materials 0.000 description 2
239000004332 silver Substances 0.000 description 2
239000007787 solid Substances 0.000 description 2
239000004604 Blowing Agent Substances 0.000 description 1
241000237858 Gastropoda Species 0.000 description 1
229920004142 LEXAN™ Polymers 0.000 description 1
239000004418 Lexan Substances 0.000 description 1
239000004677 Nylon Substances 0.000 description 1
239000004698 Polyethylene Substances 0.000 description 1
229920000297 Rayon Polymers 0.000 description 1
229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
239000004676 acrylonitrile butadiene styrene Substances 0.000 description 1
230000003213 activating effect Effects 0.000 description 1
230000015556 catabolic process Effects 0.000 description 1
230000001413 cellular effect Effects 0.000 description 1
230000008859 change Effects 0.000 description 1
230000006835 compression Effects 0.000 description 1
238000007906 compression Methods 0.000 description 1
230000001351 cycling effect Effects 0.000 description 1
238000006731 degradation reaction Methods 0.000 description 1
230000008030 elimination Effects 0.000 description 1
238000003379 elimination reaction Methods 0.000 description 1
239000004088 foaming agent Substances 0.000 description 1
239000011521 glass Substances 0.000 description 1
239000011213 glass-filled polymer Substances 0.000 description 1
238000010438 heat treatment Methods 0.000 description 1
230000002452 interceptive effect Effects 0.000 description 1
239000000314 lubricant Substances 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
230000007246 mechanism Effects 0.000 description 1
229910052751 metal Inorganic materials 0.000 description 1
239000002184 metal Substances 0.000 description 1
239000010445 mica Substances 0.000 description 1
229910052618 mica group Inorganic materials 0.000 description 1
229910052757 nitrogen Inorganic materials 0.000 description 1
229920001778 nylon Polymers 0.000 description 1
-1 polyethylene Polymers 0.000 description 1
229920000573 polyethylene Polymers 0.000 description 1
229920000642 polymer Polymers 0.000 description 1
230000009467 reduction Effects 0.000 description 1
230000008439 repair process Effects 0.000 description 1
230000004044 response Effects 0.000 description 1
238000009827 uniform distribution Methods 0.000 description 1

Landscapes

Injection Moulding Of Plastics Or The Like (AREA)
Moulds For Moulding Plastics Or The Like (AREA)
Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)

CA002002007A 1988-11-02 1989-11-01 Appareil et methode de moulage par injection Expired - Fee Related CA2002007C (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA002208200A CA2208200C (fr)	1988-11-02	1989-11-01	Appareil et procede de moulage par injection

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
US266,476		1988-11-02
US07/266,477 US5066214A (en)	1988-11-02	1988-11-02	Injection molding apparatus
US266,477		1988-11-02
US07/266,476 US5015166A (en)	1988-11-02	1988-11-02	Injection molding apparatus for making a hollow object

Related Child Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002208200A Division CA2208200C (fr)	1988-11-02	1989-11-01	Appareil et procede de moulage par injection

Publications (2)

Publication Number	Publication Date
CA2002007A1 CA2002007A1 (fr)	1990-05-02
CA2002007C true CA2002007C (fr)	1998-02-24

Family

ID=26951871

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
CA002208200A Expired - Fee Related CA2208200C (fr)	1988-11-02	1989-11-01	Appareil et procede de moulage par injection
CA002002007A Expired - Fee Related CA2002007C (fr)	1988-11-02	1989-11-01	Appareil et methode de moulage par injection

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
CA002208200A Expired - Fee Related CA2208200C (fr)	1988-11-02	1989-11-01	Appareil et procede de moulage par injection

Country Status (2)

Country	Link
JP (1)	JPH0733040B2 (fr)
CA (2)	CA2208200C (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5049056A (en) *	1990-03-14	1991-09-17	Nitrojection Corporation	Gas supply sprue bushing for injection molding machines
US7255818B2 (en) *	2004-11-08	2007-08-14	Lear Corporation	Process control for gas-assisted injection molding applications
CN112317718B (zh) *	2020-11-04	2021-12-24	深圳市嘉宇顺科技有限公司	基于可以快速压铸的注塑模具
CN116593727B (zh) *	2023-05-18	2023-10-31	温州伟力汽车部件有限公司	一种abs传感器端头及其自动化注塑制造设备

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS53102960A (en) *	1977-02-21	1978-09-07	Asahi Chem Ind Co Ltd	Injection mold
JPS6378714A (ja) *	1986-05-19	1988-04-08	旭化成株式会社	プラスチック材料のインジェクションモ−ルジングを作る方法並びに装置

1989
- 1989-11-01 CA CA002208200A patent/CA2208200C/fr not_active Expired - Fee Related
- 1989-11-01 CA CA002002007A patent/CA2002007C/fr not_active Expired - Fee Related
- 1989-11-02 JP JP1287252A patent/JPH0733040B2/ja not_active Expired - Lifetime

Also Published As

Publication number	Publication date
JPH0733040B2 (ja)	1995-04-12
CA2002007A1 (fr)	1990-05-02
JPH02223421A (ja)	1990-09-05
CA2208200C (fr)	2003-04-01
CA2208200A1 (fr)	1990-05-02

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Legal Events

Date	Code	Title	Description
1995-08-30	EEER	Examination request
2008-11-03	MKLA	Lapsed