FR2426560A1 - MIXING HEAD, IN PARTICULAR FOR OBTAINING MOLDED OBJECTS IN POLYURETHANE FOAM - Google Patents

MIXING HEAD, IN PARTICULAR FOR OBTAINING MOLDED OBJECTS IN POLYURETHANE FOAM

Info

Publication number
FR2426560A1
FR2426560A1 FR7913504A FR7913504A FR2426560A1 FR 2426560 A1 FR2426560 A1 FR 2426560A1 FR 7913504 A FR7913504 A FR 7913504A FR 7913504 A FR7913504 A FR 7913504A FR 2426560 A1 FR2426560 A1 FR 2426560A1
Authority
FR
France
Prior art keywords
polyurethane foam
mixing head
obtaining molded
molded objects
additives
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.)
Withdrawn
Application number
FR7913504A
Other languages
French (fr)
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.)
Desma Werke GmbH
Original Assignee
Desma Werke GmbH
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
Application filed by Desma Werke GmbH filed Critical Desma Werke GmbH
Publication of FR2426560A1 publication Critical patent/FR2426560A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • B29B7/7615—Mixers with stream-impingement mixing head characterised by arrangements for controlling, measuring or regulating, e.g. for feeding or proportioning the components
    • B29B7/7621—Mixers with stream-impingement mixing head characterised by arrangements for controlling, measuring or regulating, e.g. for feeding or proportioning the components involving introducing a gas or another component in at least one of the components
    • 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
    • B29B7/7631—Parts; Accessories
    • B29B7/7636—Construction of the feed orifices, bores, ports
    • 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
    • B29B7/7631—Parts; Accessories
    • B29B7/7636—Construction of the feed orifices, bores, ports
    • B29B7/7642—Adjustable feed orifices, e.g. for controlling the rate of feeding
    • 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
    • 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
    • B29B7/80—Component parts, details or accessories; Auxiliary operations
    • B29B7/88—Adding charges, i.e. additives
    • B29B7/90—Fillers or reinforcements, e.g. fibres
    • 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/12—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of short lengths, e.g. chopped filaments, staple fibres or bristles

Abstract

a. Tête mélangeuse destinée à mélanger au moins deux composants fluides avec incorporation d'additifs tels que des charges, des fibres de verre, etc., destinée notamment à l'obtention d'objets moulés en mousse de polyuréthane, comportant une chambre de mélange dans laquelle débouchent des buses d'introduction des composants et un poussoir de nettoyage permettant de chasser la matière mélangée. b. Tête caractérisée en ce que les additifs, en particulier les fibres de verre, sont introduits directement dans la chambre de mélange, séparément des matériaux composants. c. Linvention s'applique au moulage de mousses de polyuréthane.at. Mixing head intended to mix at least two fluid components with the incorporation of additives such as fillers, glass fibers, etc., intended in particular for obtaining molded articles in polyurethane foam, comprising a mixing chamber in which open component introduction nozzles and a cleaning pusher for expelling the mixed material. b. Head characterized in that the additives, in particular the glass fibers, are introduced directly into the mixing chamber, separately from the component materials. vs. The invention applies to the molding of polyurethane foams.

FR7913504A 1978-05-27 1979-05-28 MIXING HEAD, IN PARTICULAR FOR OBTAINING MOLDED OBJECTS IN POLYURETHANE FOAM Withdrawn FR2426560A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782823189 DE2823189A1 (en) 1978-05-27 1978-05-27 MIXING HEAD, IN PARTICULAR FOR THE FOAMING OF POLYURETHANES

Publications (1)

Publication Number Publication Date
FR2426560A1 true FR2426560A1 (en) 1979-12-21

Family

ID=6040340

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7913504A Withdrawn FR2426560A1 (en) 1978-05-27 1979-05-28 MIXING HEAD, IN PARTICULAR FOR OBTAINING MOLDED OBJECTS IN POLYURETHANE FOAM

Country Status (6)

Country Link
JP (1) JPS54156069A (en)
DE (1) DE2823189A1 (en)
FR (1) FR2426560A1 (en)
GB (1) GB2022429A (en)
IT (1) IT1116190B (en)
SE (1) SE7904478L (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2924554A1 (en) * 1979-06-19 1981-02-05 Lothar Dipl Ing Fink Mixing head for polyurethane - piston couples to ejection plunger whose central bore has valve and introduces fillers
JPS5855605A (en) * 1981-09-30 1983-04-02 Mitsubishi Heavy Ind Ltd Burner tip
JPS5858762U (en) * 1981-10-15 1983-04-20 富士シ−ト株式会社 car seat back device
JPS60113U (en) * 1983-06-16 1985-01-05 トヨタ自動車株式会社 Raw material mixing head structure of reaction injection molding machine
DE3820810A1 (en) * 1988-06-20 1989-12-21 Krauss Maffei Ag DEVICE FOR MIXING AT LEAST TWO REACTIVE PLASTIC COMPONENTS
US5082633A (en) * 1990-06-14 1992-01-21 The Dow Chemical Company Mix head for mixing reactive chemicals
JPH0625878U (en) * 1992-06-23 1994-04-08 フジックス有限会社 Hanging rotating sign
DE29521023U1 (en) * 1995-05-08 1996-08-01 Krauss Maffei Ag Reaction casting machine
DE102005007979A1 (en) * 2005-02-22 2006-08-24 Kraus-Maffei Kunststofftechnik Gmbh Mixing head for reaction injection molding process has high viscosity material recirculating valve which switches to feed mixing chamber and low viscosity component injection is between feed channel and mixing chamber
DE102009011900B3 (en) 2009-03-05 2010-05-27 Kraussmaffei Technologies Gmbh Apparatus for producing plastic parts interspersed with reinforcing fibers
WO2011023328A1 (en) * 2009-08-26 2011-03-03 Bayer Materialscience Ag Method for producing sound-absorbing polyurethane layers
DE102010018946A1 (en) * 2010-04-30 2011-11-03 Bayer Materialscience Ag Process for the preparation of a spray jet containing solids
DE102010018945A1 (en) * 2010-04-30 2011-11-03 Bayer Materialscience Ag Apparatus for producing a spray jet containing solids

Also Published As

Publication number Publication date
IT7949190A0 (en) 1979-05-25
GB2022429A (en) 1979-12-19
SE7904478L (en) 1979-11-28
DE2823189A1 (en) 1979-11-29
IT1116190B (en) 1986-02-10
JPS54156069A (en) 1979-12-08

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Legal Events

Date Code Title Description
ST Notification of lapse