DE69809119D1 - Selbstreinigende Mischvorrichtung und Verfahren zur Herstellung von Polyurethane Mischungen - Google Patents

Selbstreinigende Mischvorrichtung und Verfahren zur Herstellung von Polyurethane Mischungen

Info

Publication number
DE69809119D1
DE69809119D1 DE69809119T DE69809119T DE69809119D1 DE 69809119 D1 DE69809119 D1 DE 69809119D1 DE 69809119 T DE69809119 T DE 69809119T DE 69809119 T DE69809119 T DE 69809119T DE 69809119 D1 DE69809119 D1 DE 69809119D1
Authority
DE
Germany
Prior art keywords
self
mixing device
producing polyurethane
cleaning mixing
polyurethane mixtures
Prior art date
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
DE69809119T
Other languages
English (en)
Other versions
DE69809119T2 (de
Inventor
Carlo Fiorentini
Alberto Bonansea
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.)
Afros SpA
Original Assignee
Afros SpA
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.)
Filing date
Publication date
Priority claimed from ITMI971207 external-priority patent/IT1291979B1/it
Priority claimed from ITMI980185 external-priority patent/IT1298528B1/it
Application filed by Afros SpA filed Critical Afros SpA
Publication of DE69809119D1 publication Critical patent/DE69809119D1/de
Application granted granted Critical
Publication of DE69809119T2 publication Critical patent/DE69809119T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/24—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 characterised by the choice of material
    • B29C67/246—Moulding high reactive monomers or prepolymers, e.g. by reaction injection moulding [RIM], liquid injection moulding [LIM]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
    • B29B7/7404—Mixing devices specially adapted for foamable substances
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
    • B29B7/76—Mixers with stream-impingement mixing head
    • B29B7/7663—Mixers with stream-impingement mixing head the mixing head having an outlet tube with a reciprocating plunger, e.g. with the jets impinging in the tube
    • B29B7/7668—Mixers with stream-impingement mixing head the mixing head having an outlet tube with a reciprocating plunger, e.g. with the jets impinging in the tube having a second tube intersecting the first one with the jets impinging in the second tube
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
    • B29B7/76—Mixers with stream-impingement mixing head
    • B29B7/7663—Mixers with stream-impingement mixing head the mixing head having an outlet tube with a reciprocating plunger, e.g. with the jets impinging in the tube
    • B29B7/7684—Parts; Accessories
    • B29B7/7689—Plunger constructions
    • B29B7/7694—Plunger constructions comprising recirculation channels; ducts formed in the plunger
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
DE69809119T 1997-05-22 1998-05-20 Selbstreinigende Mischvorrichtung und Verfahren zur Herstellung von Polyurethane Mischungen Expired - Lifetime DE69809119T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI971207 IT1291979B1 (it) 1997-05-22 1997-05-22 Procedimento ed apparecchiatura di miscelazione ad alta pressione per la preparazione di miscele poliuretaniche a partire da un
ITMI980185 IT1298528B1 (it) 1998-01-30 1998-01-30 Apparecchiatura di miscelazione ad alta pressione,autopulente,per la produzione di miscele poliuretaniche

Publications (2)

Publication Number Publication Date
DE69809119D1 true DE69809119D1 (de) 2002-12-12
DE69809119T2 DE69809119T2 (de) 2003-03-27

Family

ID=26331505

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69809119T Expired - Lifetime DE69809119T2 (de) 1997-05-22 1998-05-20 Selbstreinigende Mischvorrichtung und Verfahren zur Herstellung von Polyurethane Mischungen

Country Status (4)

Country Link
US (1) US6079867A (de)
EP (1) EP0879685B1 (de)
JP (1) JP3703625B2 (de)
DE (1) DE69809119T2 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69809503T2 (de) * 1997-08-05 2003-04-24 Afros Spa Vorrichtung und Verfahren zur Herstellung von Polyurethanmaterial
US6247839B1 (en) * 1999-06-17 2001-06-19 Milliken & Company Valve disposition and configuration designed to improve color dosing response time in a process of coloring polyurethane foam carpet underlay
DE19960202C2 (de) * 1999-12-14 2003-03-20 Zsolt Herbak Vorrichtung zum Mischen von viskosen Flüssigkeiten
US20030159653A1 (en) * 2002-02-28 2003-08-28 Dando Ross S. Manifold assembly for feeding reactive precursors to substrate processing chambers
US6743736B2 (en) * 2002-04-11 2004-06-01 Micron Technology, Inc. Reactive gaseous deposition precursor feed apparatus
US6896730B2 (en) * 2002-06-05 2005-05-24 Micron Technology, Inc. Atomic layer deposition apparatus and methods
KR100475250B1 (ko) * 2002-07-25 2005-03-10 이상출 발포용 폴리우레탄 믹싱헤드 어셈브리.
DE102004006074A1 (de) * 2004-02-07 2005-08-25 Hennecke Gmbh Verfahren und Vorrichtung zur Herstellung von Polyurethan-Formteilen
DE102004021563A1 (de) * 2004-05-03 2005-12-01 Hennecke Gmbh Mehrkomponenten-Mischkopf
US20060054659A1 (en) * 2004-09-16 2006-03-16 Radford Philip T Method and apparatus for blending a colorant
DE102005007979A1 (de) * 2005-02-22 2006-08-24 Kraus-Maffei Kunststofftechnik Gmbh Mischkopf für hochviskoses Ausgangsmaterial
IT1392172B1 (it) * 2008-12-03 2012-02-22 Afros Spa Metodo e apparecchiatura di miscelazione ad alta pressione, per resine poliuretaniche caricate
ITMI20110892A1 (it) * 2011-05-19 2012-11-20 Afros Spa Apparecchiatura autopulente di miscelazione ad alta pressione per materiale composito
US10407234B2 (en) * 2012-09-05 2019-09-10 Henkel IP & Holding GmbH Two component fluid metering and mixing system
KR101411654B1 (ko) * 2012-10-24 2014-06-25 덕유패널 주식회사 고압식 페놀폼 발포기의 믹싱헤드
KR101353564B1 (ko) * 2012-11-15 2014-01-22 한국생산기술연구원 혼합성능이 개선된 믹싱헤드 및 그 토출장치
ITMI20132189A1 (it) * 2013-12-23 2015-06-24 Afros Spa Metodo e apparecchiatura di miscelazione ad alta pressione per la co-iniezione di componenti polimerici
IT201900004609A1 (it) * 2019-03-27 2020-09-27 Afros Spa Dispositivo di miscelazione ad alta pressione con condotto di erogazione autopulente sensorizzato.
KR102182425B1 (ko) * 2019-05-22 2020-11-25 한국교통대학교 산학협력단 혼합비 차이가 큰 2액형 폴리우레탄 적용 인몰드 코팅을 위한 믹싱헤드
IT201900024949A1 (it) 2019-12-20 2021-06-20 Cannon Spa Metodo e apparecchiatura per erogare una miscela polimerica priva di schizzi

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CA943721A (en) * 1970-02-20 1974-03-19 Krauss-Maffei Aktiengesellschaft Device for feeding flowable material to a cavity
BE779971R (fr) * 1971-04-10 1972-06-16 Krauss Maffei Ag Appareil pour l'amorcage et la preparation d'un melange de deuxou de plusieurs constituants synthetiques dans la cavite de moulage d'un
DE2321153A1 (de) * 1973-04-26 1974-11-14 Demag Kunststofftech Angussvorrichtung fuer die formgebende verarbeitung von aus mehreren fluessigen komponenten sich bildenden kunststoffen
DE2327269C3 (de) * 1973-05-29 1981-04-09 Krauss-Maffei AG, 8000 München Vorrichtung zum Zuleiten eines insbesondere chemischreaktionsfähigen Kunststoffgemisches zu einer Form
US3912234A (en) * 1974-08-29 1975-10-14 Cincinnati Milacron Inc Apparatus for mixing and injecting liquids into a mold
DE2538437C3 (de) * 1975-08-29 1980-05-08 Elastogran Maschinenbau Gmbh & Co, 8021 Strasslach Mischvorrichtung für Mehrkomponentenkunststoffe mit Poren- oder Zellenstruktur, insbesondere Polyurethan
IT1063585B (it) * 1976-05-17 1985-02-11 Afros Srl Apparecchiatura per la miscelazione e l eiezione di sostanze fluide fraloro interagenti
IT1109997B (it) * 1978-03-09 1985-12-23 Afros Srl Testa per la miscelazione e l'eiezione di componenti liquidi interagenti per lo stampaggio di materiali plastici
CA1137076A (en) * 1978-12-13 1982-12-07 John R. Bauer Fluid spray mixer - reactor system
DE3013237A1 (de) * 1980-04-03 1981-10-08 Bayer Ag, 5090 Leverkusen Verfahren und vorrichtung zum herstellen eines aus mindestens zwei fliessfaehigen reaktionskomponenten und fuellstoffen bestehenden, massiv- oder schaumstoff bildenen gemisches
US4473531A (en) * 1981-04-28 1984-09-25 Regents Of The University Of Minnesota Rim mixhead with high pressure recycle
IT1150768B (it) * 1982-04-06 1986-12-17 Afros Spa Procedimento ed apparecchiatura di miscelazione per la preparazione di materiali plastici a piu' componenti, in particolare poliuretanici
US4726933A (en) * 1985-10-08 1988-02-23 Admiral Equipment Company High pressure mixing head and reactive component injection valve
IT1213487B (it) * 1986-09-03 1989-12-20 Afros Spa Apparecchiatura per l'alimentazione ed il dosaggio di liquidi in una testa di miscelazione.
DE3820810A1 (de) * 1988-06-20 1989-12-21 Krauss Maffei Ag Vorrichtung zum mischen von wenigstens zwei reaktiven kunststoffkomponenten
US5270014A (en) * 1991-03-19 1993-12-14 Krauss-Maffei Ag Apparatus for producing a foamed mass of a polyurea elastomer
DE4109280A1 (de) * 1991-03-21 1992-09-24 Lucia Heiter Gegenstrom-mischkopf
US5445781A (en) * 1991-08-28 1995-08-29 Centro Sviluppo Settori Impiego S.R.L. Process for the injection molding of non-precatalyzed polymerizable resins at high-pressure and flow
DE4232941C2 (de) * 1992-10-01 1995-03-02 Freudenberg Carl Fa Verfahren und Vorrichtung zur Herstellung eines Formteils
JP2746024B2 (ja) * 1992-10-30 1998-04-28 豊田合成株式会社 Ｒｉｍポリウレタン二色成形方法
DE4401560A1 (de) * 1994-01-20 1995-07-27 Elastogran Gmbh Vorrichtung zum Mischen von chemisch reaktionsfähigen Kunststoffkomponenten
US5615949A (en) * 1995-08-08 1997-04-01 Woodbridge Foam Corporation High pressure mixing system and process for producing foamed isocyanate-based polymers containing filler material

Also Published As

Publication number Publication date
JPH1134106A (ja) 1999-02-09
EP0879685A3 (de) 1998-12-02
EP0879685B1 (de) 2002-11-06
EP0879685A2 (de) 1998-11-25
DE69809119T2 (de) 2003-03-27
US6079867A (en) 2000-06-27
JP3703625B2 (ja) 2005-10-05

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