NL7509893A - Werkwijze ter vervaardiging van gieterijkernen en -vormen en aldus vervaardigde gieterijkernen en -vormen. - Google Patents

Werkwijze ter vervaardiging van gieterijkernen en -vormen en aldus vervaardigde gieterijkernen en -vormen.

Info

Publication number
NL7509893A
NL7509893A NL7509893A NL7509893A NL7509893A NL 7509893 A NL7509893 A NL 7509893A NL 7509893 A NL7509893 A NL 7509893A NL 7509893 A NL7509893 A NL 7509893A NL 7509893 A NL7509893 A NL 7509893A
Authority
NL
Netherlands
Prior art keywords
foundries
moldings
manufacture
molds manufactured
molds
Prior art date
Application number
NL7509893A
Other languages
English (en)
Dutch (nl)
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 NL7509893A publication Critical patent/NL7509893A/xx

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Mold Materials And Core Materials (AREA)
  • Polyurethanes Or Polyureas (AREA)
NL7509893A 1974-08-23 1975-08-20 Werkwijze ter vervaardiging van gieterijkernen en -vormen en aldus vervaardigde gieterijkernen en -vormen. NL7509893A (nl)

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 (1)

Publication Number Publication Date
NL7509893A true NL7509893A (nl) 1976-02-25

Family

ID=5923868

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7509893A NL7509893A (nl) 1974-08-23 1975-08-20 Werkwijze ter vervaardiging van gieterijkernen en -vormen en aldus vervaardigde gieterijkernen en -vormen.

Country Status (10)

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

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5539615B2 (lv) * 1973-06-11 1980-10-13
US4266408A (en) * 1978-11-20 1981-05-12 Parker-Hannifin Corporation Filter block and method of making the same
US4220553A (en) * 1978-11-20 1980-09-02 Parker-Hannifin Corporation Method of making filter block of an adsorbent and phenolic-polyurethane binder
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
JPS5146522A (en) 1976-04-21
IT1041290B (it) 1980-01-10
LU73236A1 (lv) 1976-05-31
FR2282307B1 (lv) 1979-03-09
BE832576A (fr) 1976-02-20
DE2440375A1 (de) 1976-03-04
US4072649A (en) 1978-02-07
FR2282307A1 (fr) 1976-03-19
AT335638B (de) 1977-03-25
ATA647475A (de) 1976-07-15
GB1501447A (en) 1978-02-15

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Legal Events

Date Code Title Description
BV The patent application has lapsed