SE508528C2 - Förfarande vid formsprutning av termoplastprodukter innefattande hålrum - Google Patents

Förfarande vid formsprutning av termoplastprodukter innefattande hålrum

Info

Publication number: SE508528C2
Authority: SE; Sweden
Prior art keywords: thermoplastic; volume; hot duct; duct system; cavity
Prior art date: 1997-02-10

Application number

SE9700469A

Other languages

English (en)

Swedish (sv)

Other versions

SE9700469D0 (sv

SE9700469L (sv

Inventor

Manfred Brauner

Original Assignee

Perstorp Ab

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.)

1997-02-10

Filing date

1997-02-10

Publication date

1998-10-12

1997-02-10 Application filed by Perstorp Ab filed Critical Perstorp Ab

1997-02-10 Priority to SE9700469A priority Critical patent/SE508528C2/sv

1997-02-10 Publication of SE9700469D0 publication Critical patent/SE9700469D0/xx

1998-02-09 Priority to DK98904468T priority patent/DK0958120T3/da

1998-02-09 Priority to AT98904468T priority patent/ATE208257T1/de

1998-02-09 Priority to DE69802381T priority patent/DE69802381T2/de

1998-02-09 Priority to ES98904468T priority patent/ES2167867T3/es

1998-02-09 Priority to EP98904468A priority patent/EP0958120B1/de

1998-02-09 Priority to PCT/SE1998/000217 priority patent/WO1998034771A1/en

1998-02-09 Priority to AU62331/98A priority patent/AU6233198A/en

1998-08-11 Publication of SE9700469L publication Critical patent/SE9700469L/xx

1998-10-12 Publication of SE508528C2 publication Critical patent/SE508528C2/sv

Links

229920001169 thermoplastic Polymers 0.000 title claims abstract description 78
239000004416 thermosoftening plastic Substances 0.000 title claims abstract description 78
238000000034 method Methods 0.000 title claims abstract description 27
238000001746 injection moulding Methods 0.000 title claims description 12
239000012530 fluid Substances 0.000 claims abstract description 27
239000004033 plastic Substances 0.000 claims abstract description 17
230000003247 decreasing effect Effects 0.000 claims abstract description 5
239000007789 gas Substances 0.000 claims description 16
239000007924 injection Substances 0.000 claims description 14
238000002347 injection Methods 0.000 claims description 14
238000011038 discontinuous diafiltration by volume reduction Methods 0.000 claims description 5
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 3
239000011261 inert gas Substances 0.000 claims description 2
229910052757 nitrogen Inorganic materials 0.000 claims 1
238000004519 manufacturing process Methods 0.000 abstract description 4
239000012815 thermoplastic material Substances 0.000 abstract 2
239000011796 hollow space material Substances 0.000 abstract 1
238000007711 solidification Methods 0.000 description 8
230000008023 solidification Effects 0.000 description 8
239000007788 liquid Substances 0.000 description 5
238000001816 cooling Methods 0.000 description 4
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
238000000465 moulding Methods 0.000 description 3
239000012071 phase Substances 0.000 description 3
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
230000001580 bacterial effect Effects 0.000 description 2
235000013305 food Nutrition 0.000 description 2
238000010438 heat treatment Methods 0.000 description 2
239000007791 liquid phase Substances 0.000 description 2
239000000155 melt Substances 0.000 description 2
239000004014 plasticizer Substances 0.000 description 2
238000009835 boiling Methods 0.000 description 1
229910002092 carbon dioxide Inorganic materials 0.000 description 1
239000001569 carbon dioxide Substances 0.000 description 1
230000015556 catabolic process Effects 0.000 description 1
238000009833 condensation Methods 0.000 description 1
230000005494 condensation Effects 0.000 description 1
238000006731 degradation reaction Methods 0.000 description 1
230000001419 dependent effect Effects 0.000 description 1
239000000463 material Substances 0.000 description 1
238000000048 melt cooling Methods 0.000 description 1
238000002844 melting Methods 0.000 description 1
230000008018 melting Effects 0.000 description 1
JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
229920000642 polymer Polymers 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
- B29C45/1703—Introducing an auxiliary fluid into the mould
- B29C45/1704—Introducing an auxiliary fluid into the mould the fluid being introduced into the interior of the injected material which is still in a molten state, e.g. for producing hollow articles
- B29C45/1711—Introducing an auxiliary fluid into the mould the fluid being introduced into the interior of the injected material which is still in a molten state, e.g. for producing hollow articles and removing excess material from the mould cavity by the introduced fluid, e.g. to an overflow cavity
- 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
- B29C45/1703—Introducing an auxiliary fluid into the mould
- B29C45/1704—Introducing an auxiliary fluid into the mould the fluid being introduced into the interior of the injected material which is still in a molten state, e.g. for producing hollow articles
- B29C45/1706—Introducing an auxiliary fluid into the mould the fluid being introduced into the interior of the injected material which is still in a molten state, e.g. for producing hollow articles using particular fluids or fluid generating substances
- B29C2045/1707—Introducing an auxiliary fluid into the mould the fluid being introduced into the interior of the injected material which is still in a molten state, e.g. for producing hollow articles using particular fluids or fluid generating substances using a liquid, e.g. water

Landscapes

Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)
Mechanical Engineering (AREA)
Moulds For Moulding Plastics Or The Like (AREA)
Injection Moulding Of Plastics Or The Like (AREA)
Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
Extrusion Moulding Of Plastics Or The Like (AREA)
Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Shaping Of Tube Ends By Bending Or Straightening (AREA)

SE9700469A 1997-02-10 1997-02-10 Förfarande vid formsprutning av termoplastprodukter innefattande hålrum SE508528C2 (sv)

Priority Applications (8)

Application Number	Priority Date	Filing Date	Title
SE9700469A SE508528C2 (sv)	1997-02-10	1997-02-10	Förfarande vid formsprutning av termoplastprodukter innefattande hålrum
DK98904468T DK0958120T3 (da)	1997-02-10	1998-02-09	Fremgangsmåde til fremstilling af et plastemne
AT98904468T ATE208257T1 (de)	1997-02-10	1998-02-09	Verfahren zur herstellung eines kunststoffgegenstands
DE69802381T DE69802381T2 (de)	1997-02-10	1998-02-09	Verfahren zur herstellung eines kunststoffgegenstands
ES98904468T ES2167867T3 (es)	1997-02-10	1998-02-09	Procedimiento de fabricacion de un producto plastico.
EP98904468A EP0958120B1 (de)	1997-02-10	1998-02-09	Verfahren zur herstellung eines kunststoffgegenstands
PCT/SE1998/000217 WO1998034771A1 (en)	1997-02-10	1998-02-09	A process in the manufacturing of a plastic product
AU62331/98A AU6233198A (en)	1997-02-10	1998-02-09	A process in the manufacturing of a plastic product

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE9700469A SE508528C2 (sv)	1997-02-10	1997-02-10	Förfarande vid formsprutning av termoplastprodukter innefattande hålrum

Publications (3)

Publication Number	Publication Date
SE9700469D0 SE9700469D0 (sv)	1997-02-10
SE9700469L SE9700469L (sv)	1998-08-11
SE508528C2 true SE508528C2 (sv)	1998-10-12

Family

ID=20405748

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE9700469A SE508528C2 (sv)	1997-02-10	1997-02-10	Förfarande vid formsprutning av termoplastprodukter innefattande hålrum

Country Status (8)

Country	Link
EP (1)	EP0958120B1 (de)
AT (1)	ATE208257T1 (de)
AU (1)	AU6233198A (de)
DE (1)	DE69802381T2 (de)
DK (1)	DK0958120T3 (de)
ES (1)	ES2167867T3 (de)
SE (1)	SE508528C2 (de)
WO (1)	WO1998034771A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2001062488A1 (en) *	2000-02-24	2001-08-30	Conix Corporation	Integrated co-injection molded vehicle components and methods of making the same
US6843954B2 (en)	2000-02-24	2005-01-18	Conix Corporation	Injection molding techniques utilizing fluid channels
US6998174B2 (en)	2000-02-24	2006-02-14	Conix Corporation	Integrated co-injection molded vehicle components and methods of making the same
US6787097B1 (en) *	2003-06-20	2004-09-07	Lear Corporation	Multiple cavity gas assisted plastic injection molding
DE102007001756B4 (de)	2007-01-11	2008-12-18	Itw Automotive Products Gmbh & Co. Kg	Verfahren und Spritzgussform zum Spritzgießen von hohlen Formteilen aus Kunststoff
EP2265425B1 (de) *	2008-03-11	2017-11-29	Basf Se	VERFAHREN UND VORRICHTUNG ZUM SPRITZGIEßEN VON HOHLEN FORMTEILEN AUS KUNSTSTOFF

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5098637A (en) *	1988-07-11	1992-03-24	Milad Limited Partnership	Process for injection molding and hollow plastic article produced thereby
DE4319381C2 (de) *	1993-06-11	1996-07-11	Battenfeld Gmbh	Verfahren zum Spritzgießen von Formteilen aus thermoplastischem Kunststoffmaterial sowie Formwerkzeug zur Durchführung desselben
SE503969E (sv) *	1994-01-28	2004-05-04	Perstorp Ab	Sarg
US5639417A (en) *	1994-07-15	1997-06-17	Mitsubishi Gas Chemical Company, Inc.	Mold apparatus for process for injection molding

1997
- 1997-02-10 SE SE9700469A patent/SE508528C2/sv not_active IP Right Cessation
1998
- 1998-02-09 AU AU62331/98A patent/AU6233198A/en not_active Abandoned
- 1998-02-09 DE DE69802381T patent/DE69802381T2/de not_active Expired - Lifetime
- 1998-02-09 WO PCT/SE1998/000217 patent/WO1998034771A1/en not_active Ceased
- 1998-02-09 EP EP98904468A patent/EP0958120B1/de not_active Expired - Lifetime
- 1998-02-09 ES ES98904468T patent/ES2167867T3/es not_active Expired - Lifetime
- 1998-02-09 DK DK98904468T patent/DK0958120T3/da active
- 1998-02-09 AT AT98904468T patent/ATE208257T1/de active

Also Published As

Publication number	Publication date
ES2167867T3 (es)	2002-05-16
DK0958120T3 (da)	2001-12-17
AU6233198A (en)	1998-08-26
DE69802381T2 (de)	2002-07-11
ATE208257T1 (de)	2001-11-15
EP0958120A1 (de)	1999-11-24
EP0958120B1 (de)	2001-11-07
SE9700469D0 (sv)	1997-02-10
WO1998034771A1 (en)	1998-08-13
SE9700469L (sv)	1998-08-11
DE69802381D1 (de)	2001-12-13

Legal Events

Date	Code	Title	Description
2003-09-30	NUG	Patent has lapsed

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