GB2034220B - Method and apparatus for catalytically hardening mould parts made of sand in the manufacture of metal castings - Google Patents

Method and apparatus for catalytically hardening mould parts made of sand in the manufacture of metal castings

Info

Publication number
GB2034220B
GB2034220B GB7909936A GB7909936A GB2034220B GB 2034220 B GB2034220 B GB 2034220B GB 7909936 A GB7909936 A GB 7909936A GB 7909936 A GB7909936 A GB 7909936A GB 2034220 B GB2034220 B GB 2034220B
Authority
GB
United Kingdom
Prior art keywords
catalytically
sand
manufacture
parts made
mould parts
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
GB7909936A
Other versions
GB2034220A (en
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.)
Individual
Original Assignee
Individual
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
Priority claimed from DE19782833305 external-priority patent/DE2833305A1/en
Application filed by Individual filed Critical Individual
Publication of GB2034220A publication Critical patent/GB2034220A/en
Application granted granted Critical
Publication of GB2034220B publication Critical patent/GB2034220B/en
Expired 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
    • B22C1/162—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/12—Treating moulds or cores, e.g. drying, hardening
    • B22C9/123—Gas-hardening

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Catalysts (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
GB7909936A 1978-07-28 1979-03-21 Method and apparatus for catalytically hardening mould parts made of sand in the manufacture of metal castings Expired GB2034220B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US92890178A 1978-07-28 1978-07-28
DE19782833305 DE2833305A1 (en) 1978-07-28 1978-07-28 Catalytic hardening of sand cores or moulds in metal foundries - where hot air, which removes residual catalyst from hardened core, is reused in next hardening cycle

Publications (2)

Publication Number Publication Date
GB2034220A GB2034220A (en) 1980-06-04
GB2034220B true GB2034220B (en) 1982-09-08

Family

ID=25775218

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7909936A Expired GB2034220B (en) 1978-07-28 1979-03-21 Method and apparatus for catalytically hardening mould parts made of sand in the manufacture of metal castings

Country Status (7)

Country Link
AT (1) AT372317B (en)
CH (1) CH641067A5 (en)
FR (1) FR2431886A1 (en)
GB (1) GB2034220B (en)
IT (2) IT1119310B (en)
NL (1) NL7902403A (en)
SE (1) SE7902605L (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3422742A1 (en) * 1984-06-19 1985-12-19 Michel, Horst Werner, Dipl.-Ing., 7707 Engen CONTROL FOR A DEVICE FOR CURING SAND CORES AND / OR MOLDS

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1959023B2 (en) * 1969-11-25 1974-11-14 Cobomat Apparatebau Gmbh, 3013 Barsinghausen Method and device for supplying a catalyst to the core in the production of casting molds using the cold box method
DE2025253C3 (en) * 1970-05-23 1975-10-02 Guenther 7012 Schmiden Doll Method and device for producing cores or sand molds
DE2162137C2 (en) * 1971-12-15 1983-01-13 Horst-Werner Ing.(Grad.) 7707 Engen Michel System for hardening sand molds and cores for foundry purposes
CH580451A5 (en) * 1973-07-13 1976-10-15 Lueber Werner
DE2405600A1 (en) * 1974-02-06 1975-08-07 Michel Horst Werner Mist prodn. from catalyst-air mixtures - for hardening foundry cores made by the cold box process
DE2414407C2 (en) * 1974-03-26 1985-08-29 Horst Werner Dipl.-Ing. 7707 Engen Michel Device for manufacturing cores for foundry purposes
DE2621153A1 (en) * 1976-05-13 1977-11-24 Daimler Benz Ag Hardening sand cores by cold box process - where catalyst is reclaimed from carrier gas after use
FR2376696A1 (en) * 1977-01-07 1978-08-04 Stone Wallwork Ltd Vaporiser for hardening organic binder in foundry sand mixt. - using liq. amine catalyst which is evaporated by vacuum in the core-box
DE2704868C2 (en) * 1977-02-05 1988-11-10 Horst Werner Dipl.-Ing. 7707 Engen Michel Process and device for core production for foundry purposes
DE2727794A1 (en) * 1977-06-21 1979-01-18 Daimler Benz Ag Foundry cores hardened by catalyst gas mixed with air - where analysers in gas recovery circuit prevent danger of an explosion

Also Published As

Publication number Publication date
CH641067A5 (en) 1984-02-15
ATA202279A (en) 1983-02-15
IT7968376A0 (en) 1979-06-29
SE7902605L (en) 1980-01-29
NL7902403A (en) 1980-01-30
GB2034220A (en) 1980-06-04
FR2431886A1 (en) 1980-02-22
IT1119310B (en) 1986-03-10
FR2431886B1 (en) 1985-02-22
AT372317B (en) 1983-09-26
IT7953372V0 (en) 1979-06-29

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930321