AT335638B - Verfahren zur herstellung von giessereikernen und -formen - Google Patents

Verfahren zur herstellung von giessereikernen und -formen

Info

Publication number
AT335638B
AT335638B AT647475A AT647475A AT335638B AT 335638 B AT335638 B AT 335638B AT 647475 A AT647475 A AT 647475A AT 647475 A AT647475 A AT 647475A AT 335638 B AT335638 B AT 335638B
Authority
AT
Austria
Prior art keywords
forms
foundry cores
manufacturing foundry
manufacturing
cores
Prior art date
Application number
AT647475A
Other languages
English (en)
Other versions
ATA647475A (de
Original Assignee
Bayer 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 Bayer Ag filed Critical Bayer Ag
Publication of ATA647475A publication Critical patent/ATA647475A/de
Application granted granted Critical
Publication of AT335638B publication Critical patent/AT335638B/de

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
    • B22C1/22—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 resins or rosins
    • B22C1/2233—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 resins or rosins obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • B22C1/2273—Polyurethanes; Polyisocyanates
    • 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
    • B22C1/162—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 use of a gaseous treating agent for hardening the binder
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
    • C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
    • C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
AT647475A 1974-08-23 1975-08-21 Verfahren zur herstellung von giessereikernen und -formen AT335638B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2440375A DE2440375A1 (de) 1974-08-23 1974-08-23 Verfahren zur herstellung von giessereikernen und -formen

Publications (2)

Publication Number Publication Date
ATA647475A ATA647475A (de) 1976-07-15
AT335638B true AT335638B (de) 1977-03-25

Family

ID=5923868

Family Applications (1)

Application Number Title Priority Date Filing Date
AT647475A AT335638B (de) 1974-08-23 1975-08-21 Verfahren zur herstellung von giessereikernen und -formen

Country Status (10)

Country Link
US (1) US4072649A (de)
JP (1) JPS5146522A (de)
AT (1) AT335638B (de)
BE (1) BE832576A (de)
DE (1) DE2440375A1 (de)
FR (1) FR2282307A1 (de)
GB (1) GB1501447A (de)
IT (1) IT1041290B (de)
LU (1) LU73236A1 (de)
NL (1) NL7509893A (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5539615B2 (de) * 1973-06-11 1980-10-13
US4220553A (en) * 1978-11-20 1980-09-02 Parker-Hannifin Corporation Method of making filter block of an adsorbent and phenolic-polyurethane binder
US4266408A (en) * 1978-11-20 1981-05-12 Parker-Hannifin Corporation Filter block and method of making the same
DE2855391A1 (de) * 1978-12-21 1980-06-26 Woellner Werke Kalthaertendes bindemittel fuer teilchenfoermige feststoffe, insbesondere giessereisand
US4311631A (en) * 1979-09-20 1982-01-19 Delta Oil Products Corporation Low emission foundry binder system
US4390678A (en) * 1982-01-07 1983-06-28 H. B. Fuller Company One-package heat curable aromatic polyurethane composition useful for joining substrates and as an in-mold coating comprising an isocyanate terminated prepolymer and a polyhydroxy compound
DE3918857A1 (de) * 1988-10-05 1990-04-12 Ruetgerswerke Ag Formstoffe

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3180883A (en) * 1960-07-18 1965-04-27 Leslie C Case 4, 4'-diisocyanato-3, 5-di-lower alkyl-diphenylmethane
US3403721A (en) * 1966-06-13 1968-10-01 Ashland Oil Inc Tensile strengths of certain sand cores
US3499861A (en) * 1967-05-19 1970-03-10 Hooker Chemical Corp Room temperature curing resin and foundry sand composition containing same
GB1269202A (en) * 1968-02-14 1972-04-06 Fordath Ltd Improvements in the production of cores for use in the production of metal castings
US3676392A (en) * 1971-01-26 1972-07-11 Ashland Oil Inc Resin compositions

Also Published As

Publication number Publication date
BE832576A (fr) 1976-02-20
FR2282307A1 (fr) 1976-03-19
US4072649A (en) 1978-02-07
ATA647475A (de) 1976-07-15
IT1041290B (it) 1980-01-10
NL7509893A (nl) 1976-02-25
JPS5146522A (en) 1976-04-21
LU73236A1 (de) 1976-05-31
FR2282307B1 (de) 1979-03-09
DE2440375A1 (de) 1976-03-04
GB1501447A (en) 1978-02-15

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee