IT1171473B - Procedimento ed apparecchio per il controllo della nucleazione per la reazione di paste liquide stampate ad iniezione - Google Patents

Procedimento ed apparecchio per il controllo della nucleazione per la reazione di paste liquide stampate ad iniezione

Info

Publication number
IT1171473B
IT1171473B IT49130/81A IT4913081A IT1171473B IT 1171473 B IT1171473 B IT 1171473B IT 49130/81 A IT49130/81 A IT 49130/81A IT 4913081 A IT4913081 A IT 4913081A IT 1171473 B IT1171473 B IT 1171473B
Authority
IT
Italy
Prior art keywords
procedure
reaction
liquid paste
printed liquid
nucleation control
Prior art date
Application number
IT49130/81A
Other languages
English (en)
Other versions
IT8149130A0 (it
IT8149130A1 (it
Inventor
John William Arnold
Steven Lewis Mills
Original Assignee
Gen Motors Corp
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 Gen Motors Corp filed Critical Gen Motors Corp
Publication of IT8149130A0 publication Critical patent/IT8149130A0/it
Publication of IT8149130A1 publication Critical patent/IT8149130A1/it
Application granted granted Critical
Publication of IT1171473B publication Critical patent/IT1171473B/it

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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/60—Measuring, controlling or regulating
    • 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
    • B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
    • B29B7/22—Component parts, details or accessories; Auxiliary operations
    • B29B7/24—Component parts, details or accessories; Auxiliary operations for 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
    • B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
    • B29B7/22—Component parts, details or accessories; Auxiliary operations
    • B29B7/28—Component parts, details or accessories; Auxiliary operations for measuring, controlling or regulating, e.g. viscosity control
    • B29B7/286—Component parts, details or accessories; Auxiliary operations for measuring, controlling or regulating, e.g. viscosity control measuring properties of the mixture, e.g. temperature, density
    • 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
    • B29B7/7409—Mixing devices specially adapted for foamable substances with supply of gas
    • 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
    • B29B7/7409—Mixing devices specially adapted for foamable substances with supply of gas
    • B29B7/7414—Mixing devices specially adapted for foamable substances with supply of gas with rotatable stirrer, e.g. using an intermeshing rotor-stator system
    • 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
    • B29B7/7409—Mixing devices specially adapted for foamable substances with supply of gas
    • B29B7/7428—Methodical aspects
    • 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
    • B29B7/7433—Plants
    • 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
    • B29B7/7471—Mixers in which the mixing takes place at the inlet of a mould, e.g. mixing chambers situated in the mould opening
    • 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
    • B29B7/7476—Systems, i.e. flow charts or diagrams; Plants
    • B29B7/748—Plants
    • 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
    • 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]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/83—Injection molding of polyolefin-type foam

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
IT49130/81A 1980-08-21 1981-08-19 Procedimento ed apparecchio per il controllo della nucleazione per la reazione di paste liquide stampate ad iniezione IT1171473B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/180,132 US4312820A (en) 1980-08-21 1980-08-21 Process and apparatus for nucleation control adapted for reaction injection molding of cellular products

Publications (3)

Publication Number Publication Date
IT8149130A0 IT8149130A0 (it) 1981-08-19
IT8149130A1 IT8149130A1 (it) 1983-02-19
IT1171473B true IT1171473B (it) 1987-06-10

Family

ID=22659323

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49130/81A IT1171473B (it) 1980-08-21 1981-08-19 Procedimento ed apparecchio per il controllo della nucleazione per la reazione di paste liquide stampate ad iniezione

Country Status (5)

Country Link
US (1) US4312820A (it)
JP (1) JPS5923987B2 (it)
CA (1) CA1147117A (it)
DE (1) DE3132597C2 (it)
IT (1) IT1171473B (it)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58190119U (ja) * 1982-06-12 1983-12-17 トヨタ自動車株式会社 ウレタン原料気体混入装置
GB2125308A (en) * 1982-07-30 1984-03-07 Polyrim Mfg Apparatus for nucleating a liquid chemical constituent of a reaction injection molding system
DE3416442A1 (de) * 1983-05-07 1984-11-08 Basf Ag, 6700 Ludwigshafen Verfahren und vorrichtung zum herstellen eines reaktionsgemisches aus mindestens zwei komponenten fuer die produktion von schaumstoffen
US4571319A (en) * 1984-04-05 1986-02-18 General Motors Corporation Method and apparatus for producing polymer articles having different properties in different regions of the articles
DE3442954A1 (de) * 1984-09-19 1986-03-27 Bayer Ag, 5090 Leverkusen Verfahren und vorrichtung zum herstellen eines fliessfaehigen, zu schaumstoff ausreagierenden gemisches aus fliessfaehigen, in vorratsraeumen gelagerten komponenten
US4906672A (en) * 1988-07-29 1990-03-06 Pmc, Inc. Blowing agents for polyurethane foam
JPH0290979U (it) * 1988-12-28 1990-07-19
US5118720A (en) * 1989-01-13 1992-06-02 Sealed Air Corporation Method for producing polyurethane foam and apparatus therefor
US5055272A (en) * 1989-01-13 1991-10-08 Sealed Air Corporation Method for producing polyurethane foam and apparatus therefor
US5082437A (en) * 1989-04-13 1992-01-21 Sumitomo Rubber Industries, Ltd. Reaction injection machine utilizing a plurality of reactant liquids
EP0516904A1 (en) * 1991-06-04 1992-12-09 The Dow Chemical Company Apparatuses and methods for incorporating blowing agents into liquids for the production of polymer foams and for measuring the volumetric expansion potential of mixtures thereof
DE4119966C2 (de) * 1991-06-18 1996-02-08 Spuehl Ag Meßeinrichtung zur Erfassung der Gasbeladung einer Kunststoffkomponente
US5441680B1 (en) * 1994-05-02 1997-04-29 Milko G Guergov Method and apparatus for injection molding
US6019918A (en) * 1997-01-17 2000-02-01 Guergov; Milko G. Gas assisted injection molding with controlled internal melt pressure
US5716561A (en) * 1994-05-02 1998-02-10 Guergov; Milko G. Injection control system
DE29712263U1 (de) 1997-07-11 1997-09-18 EDF Polymer-Applikation Maschinenfabrik GmbH, Hörbranz Meßeinrichtung zur Messung der Gasbeladung von Flüssigkeiten, insbesondere flüssigen Kunststoffkomponenten
US20060091574A1 (en) * 2004-11-03 2006-05-04 Lear Corporation Interior vehicle trim panel having a sprayed expanded polyurethane layer and method and system of making same
JP2008068498A (ja) * 2006-09-13 2008-03-27 Fujifilm Corp セルロースアシレートフィルム及びその製造方法
DE102007009633A1 (de) * 2007-02-26 2008-09-04 Johnson Controls Interiors Gmbh & Co. Kg Verfahren zur Herstellung von einer Dekorhaut
EP2190894A1 (en) * 2007-09-04 2010-06-02 Dow Global Technologies Inc. Reaction injection molded polyurethanes made using high levels of natural oil-based polyols
EP2665589B1 (en) 2011-01-17 2016-07-06 3M Innovative Properties Company Method of making polyurethane foam and polyurethane foam article

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3521478A (en) * 1967-10-16 1970-07-21 Seaton Wilson Mfg Co Inc Apparatus for measuring gases dissolved in liquids
US3673853A (en) * 1970-05-11 1972-07-04 Sybron Corp Gas content of liquid determination
US4073840A (en) * 1973-10-19 1978-02-14 Exxon Research & Engineering Co. Method for forming a fiber reinforced foam article
DE2543302C3 (de) 1975-09-27 1979-10-11 5090 Leverkusen Verfahren zum Herstellen von Reaktionsgemischen für die Herstellung von Polyurethanschaumstoffen und Vorrichtung zur Durchführung des Verfahrens
US4089206A (en) * 1975-09-27 1978-05-16 Maschinenfabrik Hennecke Gmbh Method and apparatus for measuring the proportion of undissolved gas in a liquid component for the production of foam materials
US4236404A (en) * 1976-08-31 1980-12-02 General Electric Company Device for monitoring dissolved gases in electrical insulating liquids such as transformer oils
DE2724132C3 (de) * 1977-05-27 1980-09-25 Bayer Ag, 5090 Leverkusen Verfahren und Vorrichtung zum Herstellen eines schaumstoffbildenden Reaktionsgemisches
US4157427A (en) * 1977-10-11 1979-06-05 General Motors Corporation Method for entraining gas in a liquid chemical precursor for reaction injection molding
DE2933327A1 (de) * 1979-08-17 1981-03-26 Bayer Ag, 51373 Leverkusen Verfahren und einrichtung zum herstellen eines massiv- oder schaumstoff bildenden fliessfaehigen reaktionsgemisches

Also Published As

Publication number Publication date
IT8149130A0 (it) 1981-08-19
DE3132597A1 (de) 1982-06-24
JPS5774129A (en) 1982-05-10
IT8149130A1 (it) 1983-02-19
US4312820A (en) 1982-01-26
DE3132597C2 (de) 1985-08-08
JPS5923987B2 (ja) 1984-06-06
CA1147117A (en) 1983-05-31

Similar Documents

Publication Publication Date Title
IT1171473B (it) Procedimento ed apparecchio per il controllo della nucleazione per la reazione di paste liquide stampate ad iniezione
GB2180949B (en) Liquid crystal apparatus
DK20486A (da) Fremgangsmaade og apparat til vaesketildeling
GB8406634D0 (en) Gas/liquid contacting apparatus
SG11089G (en) Liquid crystal apparatus
GB8622366D0 (en) Electronic migraine modulator apparatus
DE3661876D1 (en) Process and apparatus for the homogeneous thermal treatment of a moving liquid or solution
IT7948475A0 (it) Apparecchio e procedimento per la determinazione continua della larghezza di laminati
DE3379535D1 (en) Apparatus for the regulated perfusion of liquids
IT8025369A0 (it) Metodo ed apparato per il controllo della viscosita' di inchiostri.
EP0331247A3 (en) Gas/liquid contacting apparatus
GB2162094B (en) Liquid application apparatus
GB2107105B (en) Power saving apparatus for electronic musical instrument
GB8413336D0 (en) Gas/liquid contacting apparatus
GB2178582B (en) Liquid crystal apparatus
DE3571933D1 (en) Apparatus for the administration of liquids by means of an injector
GB2175726B (en) Liquid crystal apparatus
FR2507104B1 (fr) Appareil pulverisateur de liquide
GB2170477B (en) Apparatus for liquid sampling
GB2023844B (en) Method and apparatus for the thermally stabilised measurement of small amounts of liquid
GB2176152B (en) Liquid applying means
FR2575414B1 (fr) Appareil d'enregistrement par decharge de liquide
GB2183133B (en) Liquid spraying apparatus
BG46646A1 (en) Device for conserving of lubrifying- cooling liquid
PL241890A4 (en) Apparatus for obtaining nebulized liquid of desired temperature