ES8605698A1 - Procedimiento para la preparacion de modelos de fundicion perdidos y dispositivo para su realizacion - Google Patents

Procedimiento para la preparacion de modelos de fundicion perdidos y dispositivo para su realizacion

Info

Publication number
ES8605698A1
ES8605698A1 ES539632A ES539632A ES8605698A1 ES 8605698 A1 ES8605698 A1 ES 8605698A1 ES 539632 A ES539632 A ES 539632A ES 539632 A ES539632 A ES 539632A ES 8605698 A1 ES8605698 A1 ES 8605698A1
Authority
ES
Spain
Prior art keywords
casting
mould
heat transfer
transfer medium
produced
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
Application number
ES539632A
Other languages
English (en)
Other versions
ES539632A0 (es
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.)
Saint Gobain Isover G+H AG
Original Assignee
Gruenzweig und Hartmann AG
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 Gruenzweig und Hartmann AG filed Critical Gruenzweig und Hartmann AG
Publication of ES8605698A1 publication Critical patent/ES8605698A1/es
Publication of ES539632A0 publication Critical patent/ES539632A0/es
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C7/00—Patterns; Manufacture thereof so far as not provided for in other classes
    • B22C7/02—Lost patterns
    • B22C7/023—Patterns made from expanded plastic materials
    • 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
    • B29C44/36—Feeding the material to be shaped
    • B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
    • B29C44/44—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form
    • B29C44/445—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form in the form of expandable granules, particles or beads
    • 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
    • B29C44/3415—Heating or cooling
    • B29C44/3426—Heating by introducing steam in the mould
    • 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
    • B29K2025/00—Use of polymers of vinyl-aromatic compounds or derivatives thereof as moulding material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Casting Devices For Molds (AREA)
  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)

Abstract

PERFECCIONAMIENTOS EN EL PROCEDIMIENTO Y DISPOSITIVO PARA LA PREPARACION DE MODELOS DE FUNDICION PERDIDOS. CONSISTENTES EN: ASPIRAR EN EL LADO OPUESTO AL LADO DE INTRODUCCION DEL MEDIO TRANSPORTADOR DE CALOR; PRESIONAR LA PARED DE MOLDEO, VECINA AL LADO DE ASPIRACION, SUPLEMENTARIAMENTE CONTRA LA PARED DEL MOLDE PARA LOGRAR UN EFECTO DE PLANCHADO PARA EL AISLAMIENTO DE LA SUPERFICIE; CONDUCIR EL MEDIO TRANSPORTADOR DE CALOR EN UNA CORRIENTE DEFINIDA DESDE EL LADO DE INTRODUCCION HACIA EL LADO DE ASPIRACION, DE MANERA QUE SE MINIMICE LA MIXTURACION CON LA ATMOSFERA DEL AIRE EN EL ESPACIO HUECO DEL MOLDE; DOTAR AL DISPOSITIVO DE UNA CONEXION DE ASPIRACION EN UN LADO DEL ESPACIO HUECO DEL MOLDE OPUESTO.
ES539632A 1983-12-30 1984-12-29 Procedimiento para la preparacion de modelos de fundicion perdidos y dispositivo para su realizacion Expired ES8605698A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3347616A DE3347616C2 (de) 1983-12-30 1983-12-30 Verfahren zur Herstellung von aus expandierten Schaumstoffperlen bestehenden verlorenen Gießmodellen für das Vollformgießverfahren vorzugsweise zur Fertigung von Seriengußteilen, sowie Vorrichtung hierzu

Publications (2)

Publication Number Publication Date
ES8605698A1 true ES8605698A1 (es) 1986-04-01
ES539632A0 ES539632A0 (es) 1986-04-01

Family

ID=6218484

Family Applications (1)

Application Number Title Priority Date Filing Date
ES539632A Expired ES8605698A1 (es) 1983-12-30 1984-12-29 Procedimiento para la preparacion de modelos de fundicion perdidos y dispositivo para su realizacion

Country Status (5)

Country Link
EP (1) EP0149212B1 (es)
JP (1) JPS60158947A (es)
AT (1) ATE51351T1 (es)
DE (2) DE3347616C2 (es)
ES (1) ES8605698A1 (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4816199A (en) * 1986-11-04 1989-03-28 Ford Motor Company Method of dimensionally stabilizing polystyrene patterns and the like
DE3836190A1 (de) * 1988-10-24 1990-05-03 Gruenzweig & Hartmann Verfahren zur herstellung von gussteilen mit umgossener, wenigstens annaehernd gasdichter hochtemperaturdaemmung
GB0718415D0 (en) 2007-09-20 2007-10-31 Glaxo Group Ltd Compounds
DE102009033170A1 (de) 2009-07-13 2011-01-27 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verlorenes Gießmodell und Gießverfahren

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH424222A (de) * 1965-08-24 1966-11-15 Gosta Trading Ltd Verfahren zur Herstellung flexibler, elastischer Formlinge aus schäumbarem Kunststoff, und Vorrichtung zur Durchführung des Verfahrens
US4272469A (en) * 1979-02-26 1981-06-09 Integrated Insulation Systems, Inc. Method and apparatus for forming expanded foam articles
DE3115773A1 (de) * 1981-04-18 1982-11-04 Hans 5428 Lautert Erlenbach Vorrichtung zum herstellen von formlingen aus aufschaeumbaren kunststoffpartikeln

Also Published As

Publication number Publication date
EP0149212A3 (en) 1986-04-09
JPS60158947A (ja) 1985-08-20
DE3481761D1 (de) 1990-05-03
EP0149212A2 (de) 1985-07-24
DE3347616A1 (de) 1985-07-18
ATE51351T1 (de) 1990-04-15
DE3347616C2 (de) 1986-01-09
EP0149212B1 (de) 1990-03-28
ES539632A0 (es) 1986-04-01

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