CA2208200C - Appareil et procede de moulage par injection - Google Patents

Appareil et procede de moulage par injection Download PDF

Info

Publication number: CA2208200C
Authority: CA; Canada
Prior art keywords: gas; pressure; chamber; mold; injection
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

CA002208200A

Other languages

English (en)

Other versions

CA2208200A1 (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

2003-04-01

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

1990-05-02 Publication of CA2208200A1 publication Critical patent/CA2208200A1/fr

2003-04-01 Application granted granted Critical

2003-04-01 Publication of CA2208200C publication Critical patent/CA2208200C/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 24
238000001746 injection moulding Methods 0.000 title claims description 20
238000002347 injection Methods 0.000 claims abstract description 79
239000007924 injection Substances 0.000 claims abstract description 79
239000004033 plastic Substances 0.000 claims abstract description 76
229920003023 plastic Polymers 0.000 claims abstract description 76
238000001816 cooling Methods 0.000 claims abstract description 6
238000006073 displacement reaction Methods 0.000 claims abstract description 6
238000003860 storage Methods 0.000 claims description 8
230000003247 decreasing effect Effects 0.000 claims description 7
230000004044 response Effects 0.000 claims description 5
239000012530 fluid Substances 0.000 claims description 4
238000013022 venting Methods 0.000 claims description 3
230000000977 initiatory effect Effects 0.000 claims 2
238000012544 monitoring process Methods 0.000 claims 1
239000007789 gas Substances 0.000 abstract description 171
239000000155 melt Substances 0.000 abstract description 24
238000009420 retrofitting Methods 0.000 abstract description 6
239000012815 thermoplastic material Substances 0.000 abstract description 4
239000011261 inert gas Substances 0.000 abstract description 3
239000012768 molten material Substances 0.000 abstract description 2
208000015943 Coeliac disease Diseases 0.000 description 71
238000000465 moulding Methods 0.000 description 15
239000000523 sample Substances 0.000 description 14
239000000463 material Substances 0.000 description 8
230000004048 modification Effects 0.000 description 6
238000012986 modification Methods 0.000 description 6
230000008901 benefit Effects 0.000 description 5
230000008569 process Effects 0.000 description 5
230000006837 decompression Effects 0.000 description 4
238000013461 design Methods 0.000 description 3
238000009826 distribution Methods 0.000 description 3
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
229910000760 Hardened steel Inorganic materials 0.000 description 2
229920000297 Rayon Polymers 0.000 description 2
BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
-1 polypropylene Polymers 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
239000004743 Polypropylene Substances 0.000 description 1
229910000831 Steel Inorganic materials 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
238000013459 approach Methods 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
229920000573 polyethylene Polymers 0.000 description 1
229920000642 polymer Polymers 0.000 description 1
229920001155 polypropylene Polymers 0.000 description 1
230000009467 reduction Effects 0.000 description 1
230000008439 repair process Effects 0.000 description 1
230000002441 reversible effect Effects 0.000 description 1
239000010959 steel Substances 0.000 description 1
229920001169 thermoplastic Polymers 0.000 description 1
239000004416 thermosoftening plastic Substances 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)

CA002208200A 1988-11-02 1989-11-01 Appareil et procede de moulage par injection Expired - Fee Related CA2208200C (fr)

Applications Claiming Priority (5)

Application Number	Priority Date	Filing Date	Title
US07/266,477 US5066214A (en)	1988-11-02	1988-11-02	Injection molding apparatus
US266,476		1988-11-02
US266,477		1988-11-02
US07/266,476 US5015166A (en)	1988-11-02	1988-11-02	Injection molding apparatus for making a hollow object
CA002002007A CA2002007C (fr)	1988-11-02	1989-11-01	Appareil et methode de moulage par injection

Related Parent Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002002007A Division CA2002007C (fr)	1988-11-02	1989-11-01	Appareil et methode de moulage par injection

Publications (2)

Publication Number	Publication Date
CA2208200A1 CA2208200A1 (fr)	1990-05-02
CA2208200C true CA2208200C (fr)	2003-04-01

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 After (1)

Application Number	Title	Priority Date	Filing Date
CA002002007A Expired - Fee Related CA2002007C (fr)	1988-11-02	1989-11-01	Appareil et methode 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
JPH02223421A (ja)	1990-09-05
CA2002007A1 (fr)	1990-05-02
JPH0733040B2 (ja)	1995-04-12
CA2208200A1 (fr)	1990-05-02
CA2002007C (fr)	1998-02-24

Legal Events

Date	Code	Title	Description
1997-08-06	EEER	Examination request
2008-11-03	MKLA	Lapsed

Publication	Publication Date	Title
US5015166A (en)	1991-05-14	Injection molding apparatus for making a hollow object
US5240399A (en)	1993-08-31	Injection molding apparatus
JP2654959B2 (ja)	1997-09-17	射出成形装置
US5204050A (en)	1993-04-20	Gas assisted injection molding
EP0389646B1 (fr)	1993-03-03	Procede et appareil de moulage par injection
US4855094A (en)	1989-08-08	Method for the injection molding of plastic articles using fluid pressure
US5728410A (en)	1998-03-17	System for injection molding of plastic article utilizing a variable volume spill cavity
EP0250080B1 (fr)	1992-04-15	Procédé de moulage par injection
US5558824A (en)	1996-09-24	Gas-assisted plastics injection molding with controlled melt flow and method of controlling melt flow
PT78572B (en)	1986-05-08	Process and apparatus for injection moulding and mouldings produced thereby
JP2788324B2 (ja)	1998-08-20	ガス閉鎖弁および該ガス閉鎖弁を備えたプラスチツク加工設備を制御する方法
US5112563A (en)	1992-05-12	Process of injection molding with pressurized gas assist
US3140332A (en)	1964-07-07	Injection molding method and apparatus
JPH06505926A (ja)	1994-07-07	改良保圧室式射出成形方法と装置
US4342717A (en)	1982-08-03	Injection moulding method and apparatus with mould runner reservoir and shot extension
CA2219941C (fr)	2007-12-04	Procede et systeme de moulage par injection faisant appel a une cavite de coulage a volume variable et produit fabrique selon ce procede
KR102199231B1 (ko)	2021-01-06	경금속 사출 성형기의 사출 장치
JPH10502886A (ja)	1998-03-17	熱可塑性樹脂加工用射出成形装置
CA2208200C (fr)	2003-04-01	Appareil et procede de moulage par injection
US4256689A (en)	1981-03-17	Injection moulding method and apparatus with mould runner reservoir and shot extension
US3001234A (en)	1961-09-26	Injection molding machine
US5252287A (en)	1993-10-12	Method of injection molding hollow articles
US4315726A (en)	1982-02-16	Distributing device for machines for injection molding of thermoplastic parts with solid skin and cellular core
US20090121394A1 (en)	2009-05-14	Injection molding process
US3436793A (en)	1969-04-08	Injection molding machine