EP0363568A3 - Binder systems and processes using these for decarburisation free from coal dust for the production of bentonite bonds and glass cores - Google Patents

Binder systems and processes using these for decarburisation free from coal dust for the production of bentonite bonds and glass cores Download PDF

Info

Publication number
EP0363568A3
EP0363568A3 EP19890111374 EP89111374A EP0363568A3 EP 0363568 A3 EP0363568 A3 EP 0363568A3 EP 19890111374 EP19890111374 EP 19890111374 EP 89111374 A EP89111374 A EP 89111374A EP 0363568 A3 EP0363568 A3 EP 0363568A3
Authority
EP
European Patent Office
Prior art keywords
bentonite
mass
bonds
free
production
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Withdrawn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
EP19890111374
Other languages
German (de)
French (fr)
Other versions
EP0363568A2 (en
Inventor
Gyula Szépföldi
István Halász
Kálmán Kovaliczky
Károly Dr. Gedey
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.)
Hungaroben Kft
Original Assignee
Hungaroben Kft
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 Hungaroben Kft filed Critical Hungaroben Kft
Publication of EP0363568A2 publication Critical patent/EP0363568A2/en
Publication of EP0363568A3 publication Critical patent/EP0363568A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
    • B22C1/16—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents
    • B22C1/20—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents
    • B22C1/24—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents of oily or fatty substances; of distillation residues therefrom
    • 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
    • Y10S106/00—Compositions: coating or plastic
    • Y10S106/04—Bentonite

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Mold Materials And Core Materials (AREA)
  • Ceramic Products (AREA)
  • Glass Compositions (AREA)
  • Package Frames And Binding Bands (AREA)
  • Reinforced Plastic Materials (AREA)

Abstract

Die Anmeldung betrifft ein Bindemittelsystem zur kohlenstaubfreien Frischung, zur Bildung von Bentonitbindungen und zur Herstellung von Giesskernen, dadurch gekennzeichnet, daß es 0,5-20 Massen% Pflanzenlezithin oder Pflanzenöl oder deren Gemisch in beliebigem Verhältnis, 0,1-5,5 Massen% Härtungsmittel, Härtungsmittelderivat oder Karboxymethylzellulosenatrium oder deren Gemisch in beliebigem Verhältnis, 0,3-4,5 Massen% Natriumcarbonat, 0,05-1,25 Massen% Borverbindungen und zu 100 Massen% ergänzend Bentonit enthält. The application relates to a binder system for carbon dust-free freshness, for the formation of Bentonite bonds and for the production of casting cores, characterized in that it is 0.5-20 mass% Vegetable lecithin or vegetable oil or a mixture thereof any ratio, 0.1-5.5 mass% hardener, Hardening agent derivative or carboxymethyl cellulose sodium or their mixture in any ratio, 0.3-4.5 Mass% sodium carbonate, 0.05-1.25 mass% boron compounds and contains 100% by mass of bentonite.

EP19890111374 1988-09-30 1989-06-22 Binder systems and processes using these for decarburisation free from coal dust for the production of bentonite bonds and glass cores Withdrawn EP0363568A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
HU885093A HU201485B (en) 1988-09-30 1988-09-30 Binder composition for coal-dustless freshing foundry moulding matter and reusing for rough moulding of bentonite binding
HU509388 1988-09-30

Publications (2)

Publication Number Publication Date
EP0363568A2 EP0363568A2 (en) 1990-04-18
EP0363568A3 true EP0363568A3 (en) 1991-03-27

Family

ID=10969649

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19890111374 Withdrawn EP0363568A3 (en) 1988-09-30 1989-06-22 Binder systems and processes using these for decarburisation free from coal dust for the production of bentonite bonds and glass cores

Country Status (7)

Country Link
US (1) US5106418A (en)
EP (1) EP0363568A3 (en)
JP (1) JPH02117738A (en)
BG (1) BG88908A (en)
ES (1) ES2020812A6 (en)
GR (1) GR890100397A (en)
HU (1) HU201485B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8192845B2 (en) * 2005-11-04 2012-06-05 Cargill, Incorported Lecithin-containing starch compositions, preparation thereof and paper products having oil and grease resistance, and/or release properties
US7931778B2 (en) * 2005-11-04 2011-04-26 Cargill, Incorporated Lecithin-starches compositions, preparation thereof and paper products having oil and grease resistance, and/or release properties
CN103945956A (en) * 2011-06-23 2014-07-23 S&B工业矿石北美股份有限公司 Method for improvement of casting quality
CN111069525B (en) * 2020-01-20 2020-10-23 陈仁清 High-temperature-resistant inorganic plasticizer and preparation method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB120706A (en) * 1918-07-06 1918-11-21 Edouard Hamelius An Improved Method of Forming Sand Foundry Cores and Substance for use therein.
GB653530A (en) * 1947-02-15 1951-05-16 Oel Und Chemie Werk A G Improved method of preparing a sand-core for foundry-use
LU58976A1 (en) * 1968-07-31 1969-11-12

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3196505A (en) * 1961-01-02 1965-07-27 Mo Och Domsjoe Ab Methods of making sand molds or cores for casting
US3086874A (en) * 1961-03-21 1963-04-23 Whitehead Bros Co Green molding sand additive
US3095310A (en) * 1961-05-29 1963-06-25 Whitehead Bros Co Methyl cellulose additive for green molding sand
BE755234A (en) * 1969-08-25 1971-02-01 Lindermann Walter IMPROVED FOUNDRY SAND
US3535131A (en) * 1969-11-20 1970-10-20 Vernon C Meier Foundry composition
JPS54159331A (en) * 1978-06-07 1979-12-17 Automobile Foundry Cast sand for high density casting mold

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB120706A (en) * 1918-07-06 1918-11-21 Edouard Hamelius An Improved Method of Forming Sand Foundry Cores and Substance for use therein.
GB653530A (en) * 1947-02-15 1951-05-16 Oel Und Chemie Werk A G Improved method of preparing a sand-core for foundry-use
LU58976A1 (en) * 1968-07-31 1969-11-12

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
WORLD PATENT INDEX, FILE SUPPLIER, Zusammenfassung AN=80-08250C, Derwent Publications Ltd, London, GB; & JP-A-54 159 331 (JIDOSHA IMONO K.K.) 17-12-1979 *

Also Published As

Publication number Publication date
EP0363568A2 (en) 1990-04-18
GR890100397A (en) 1990-10-31
BG88908A (en) 1993-12-24
HU201485B (en) 1990-11-28
ES2020812A6 (en) 1991-10-01
JPH02117738A (en) 1990-05-02
US5106418A (en) 1992-04-21

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