CA2162063C - Dispositif anti-coulures - Google Patents

Dispositif anti-coulures Download PDF

Info

Publication number: CA2162063C
Authority: CA; Canada
Prior art keywords: mold; passage; relation; stock; feed
Prior art date: 1994-11-04
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

CA002162063A

Other languages

English (en)

Other versions

CA2162063A1 (fr

Inventor

David Brown

Nick Travaglini

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 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.)

1994-11-04

Filing date

1995-11-03

Publication date

2003-02-25

1994-11-04 Priority claimed from US08/334,837 external-priority patent/US5458843A/en

1995-11-03 Application filed by StackTeck Systems Ltd filed Critical StackTeck Systems Ltd

1996-05-05 Publication of CA2162063A1 publication Critical patent/CA2162063A1/fr

2003-02-25 Application granted granted Critical

2003-02-25 Publication of CA2162063C publication Critical patent/CA2162063C/fr

2015-11-03 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

230000002265 prevention Effects 0.000 title description 3
239000004033 plastic Substances 0.000 claims abstract description 38
238000007789 sealing Methods 0.000 claims abstract description 38
206010013642 Drooling Diseases 0.000 claims abstract description 6
208000008630 Sialorrhea Diseases 0.000 claims abstract description 6
238000000034 method Methods 0.000 claims description 24
238000006073 displacement reaction Methods 0.000 claims description 20
238000002347 injection Methods 0.000 claims description 19
239000007924 injection Substances 0.000 claims description 19
239000012530 fluid Substances 0.000 claims description 15
230000006835 compression Effects 0.000 claims description 14
238000007906 compression Methods 0.000 claims description 14
238000000465 moulding Methods 0.000 claims description 12
230000001965 increasing effect Effects 0.000 claims description 7
125000004122 cyclic group Chemical group 0.000 claims description 5
230000004044 response Effects 0.000 claims description 5
229920001169 thermoplastic Polymers 0.000 claims description 3
239000004416 thermosoftening plastic Substances 0.000 claims description 3
238000004904 shortening Methods 0.000 claims 1
238000009826 distribution Methods 0.000 abstract description 15
239000007788 liquid Substances 0.000 abstract description 2
238000005382 thermal cycling Methods 0.000 abstract description 2
238000000926 separation method Methods 0.000 description 10
230000036316 preload Effects 0.000 description 8
230000009471 action Effects 0.000 description 6
238000001816 cooling Methods 0.000 description 6
230000001360 synchronised effect Effects 0.000 description 5
238000005452 bending Methods 0.000 description 4
239000000463 material Substances 0.000 description 4
230000000694 effects Effects 0.000 description 3
230000006698 induction Effects 0.000 description 3
238000004519 manufacturing process Methods 0.000 description 3
230000001133 acceleration Effects 0.000 description 2
230000004323 axial length Effects 0.000 description 2
238000010276 construction Methods 0.000 description 2
230000003467 diminishing effect Effects 0.000 description 2
238000010438 heat treatment Methods 0.000 description 2
230000007246 mechanism Effects 0.000 description 2
230000009467 reduction Effects 0.000 description 2
239000012815 thermoplastic material Substances 0.000 description 2
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
230000008859 change Effects 0.000 description 1
238000006243 chemical reaction Methods 0.000 description 1
230000001447 compensatory effect Effects 0.000 description 1
230000008602 contraction Effects 0.000 description 1
239000002826 coolant Substances 0.000 description 1
230000001186 cumulative effect Effects 0.000 description 1
230000001939 inductive effect Effects 0.000 description 1
230000000977 initiatory effect Effects 0.000 description 1
235000015073 liquid stocks Nutrition 0.000 description 1
230000002093 peripheral effect Effects 0.000 description 1
238000003825 pressing Methods 0.000 description 1
238000005086 pumping Methods 0.000 description 1
230000003068 static effect Effects 0.000 description 1
230000000153 supplemental effect Effects 0.000 description 1
238000011144 upstream manufacturing Methods 0.000 description 1

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/32—Moulds having several axially spaced mould cavities, i.e. for making several separated articles

Landscapes

Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)
Mechanical Engineering (AREA)
Moulds For Moulding Plastics Or The Like (AREA)

CA002162063A 1994-11-04 1995-11-03 Dispositif anti-coulures Expired - Lifetime CA2162063C (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US08/334,837		1994-11-04
US08/334,837 US5458843A (en)	1990-06-27	1994-11-04	Pin-less drool prevention system

Publications (2)

Publication Number	Publication Date
CA2162063A1 CA2162063A1 (fr)	1996-05-05
CA2162063C true CA2162063C (fr)	2003-02-25

Family

ID=23309069

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002162063A Expired - Lifetime CA2162063C (fr)	1994-11-04	1995-11-03	Dispositif anti-coulures

Country Status (1)

Country	Link
CA (1)	CA2162063C (fr)

1995
- 1995-11-03 CA CA002162063A patent/CA2162063C/fr not_active Expired - Lifetime

Also Published As

Publication number	Publication date
CA2162063A1 (fr)	1996-05-05

Legal Events

Date	Code	Title	Description
1999-08-27	EEER	Examination request
2016-01-05	MKEX	Expiry	Effective date: 20151103

Publication	Publication Date	Title
US5458843A (en)	1995-10-17	Pin-less drool prevention system
US5464579A (en)	1995-11-07	Multi-level stacked mold system
US6409955B1 (en)	2002-06-25	Shutheight adjuster for a sprue bar
US5968562A (en)	1999-10-19	Sprue bar assembly for use in a stack mold
US4983117A (en)	1991-01-08	Anti-drool injection molding apparatus
EP1476292B1 (fr)	2007-04-11	Ensemble entree pouvant reduire la coulure d'une matiere fondue provenant d'une tige de coulee
JP2004520197A (ja)	2004-07-08	金型及び射出圧縮成形方法
CA2307945C (fr)	2008-12-30	Appareil et methode de commande de coulure
US4539171A (en)	1985-09-03	Displaced snorkel sandwich molding
US20050233028A1 (en)	2005-10-20	Injection molding valve gate system and activating mechanism
US7261553B2 (en)	2007-08-28	Crossover nozzle system for stack molds
CA2162063C (fr)	2003-02-25	Dispositif anti-coulures
CA2629391C (fr)	2012-07-31	Ajutage et appareil de moulage par injection
US7252501B2 (en)	2007-08-07	Nozzle and apparatus for injection molding
CA2657961C (fr)	2010-07-13	Buse et appareil de moulage par injection
CA2588085C (fr)	2011-03-15	Buse et appareil de moulage par injection
EP1560693B1 (fr)	2007-10-03	Tuyere traversante pourvue de goupilles de soupape pour moules en grappe
US8128397B2 (en)	2012-03-06	Cross-over nozzle system for stack molds
CA2343935C (fr)	2002-09-03	Systeme de prevention de coulure
WO1994013453A1 (fr)	1994-06-23	Machine a couler sous pression