GB1444004A - Process for hardening mixtures of moulding compositions which can be hardened by acid - Google Patents

Process for hardening mixtures of moulding compositions which can be hardened by acid

Info

Publication number
GB1444004A
GB1444004A GB3805073A GB3805073A GB1444004A GB 1444004 A GB1444004 A GB 1444004A GB 3805073 A GB3805073 A GB 3805073A GB 3805073 A GB3805073 A GB 3805073A GB 1444004 A GB1444004 A GB 1444004A
Authority
GB
United Kingdom
Prior art keywords
moulding
mixture
gas
acid
hardened
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
GB3805073A
Other languages
English (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.)
Huettenes Albertus Chemische Werke GmbH
Original Assignee
Huettenes Albertus Chemische Werke GmbH
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 Huettenes Albertus Chemische Werke GmbH filed Critical Huettenes Albertus Chemische Werke GmbH
Publication of GB1444004A publication Critical patent/GB1444004A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C15/00Moulding machines characterised by the compacting mechanism; Accessories therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C1/00Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
    • B22C1/16Compositions 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
    • B22C1/162Compositions 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C9/00Moulds or cores; Moulding processes
    • B22C9/12Treating moulds or cores, e.g. drying, hardening
    • B22C9/123Gas-hardening

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Mold Materials And Core Materials (AREA)
  • Air Bags (AREA)
GB3805073A 1972-08-31 1973-08-10 Process for hardening mixtures of moulding compositions which can be hardened by acid Expired GB1444004A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722242812 DE2242812B2 (de) 1972-08-31 1972-08-31 Verfahren zum haerten von saeurehaertbaren formstoffgemischen

Publications (1)

Publication Number Publication Date
GB1444004A true GB1444004A (en) 1976-07-28

Family

ID=5855086

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3805073A Expired GB1444004A (en) 1972-08-31 1973-08-10 Process for hardening mixtures of moulding compositions which can be hardened by acid

Country Status (5)

Country Link
CH (1) CH585078A5 (enrdf_load_stackoverflow)
DE (1) DE2242812B2 (enrdf_load_stackoverflow)
FR (1) FR2197673B1 (enrdf_load_stackoverflow)
GB (1) GB1444004A (enrdf_load_stackoverflow)
SE (1) SE383271B (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2419779A1 (fr) * 1978-03-14 1979-10-12 Gerard Richard Procede de durcissement d'une composition destinee notamment a la fabrication de moules et de noyaux de fonderie, et appareil pour la mise en oeuvre dudit procede
CH637044A5 (de) * 1979-02-02 1983-07-15 Fischer Ag Georg Verfahren zum verdichten von formsand in einer formvorrichtung.
CH640757A5 (de) * 1979-04-04 1984-01-31 Fischer Ag Georg Verfahren und einrichtung zum verdichten von formstoffen.
CH648498A5 (de) * 1980-11-06 1985-03-29 Fischer Ag Georg Verfahren zum verdichten von koernigen stoffen, insbesondere giessereiformstoffen.
SE8202569L (sv) * 1982-04-30 1983-10-24 Proizv Ob Uralmash Forfarande och anordning for behandling av gjutformar

Also Published As

Publication number Publication date
FR2197673A1 (enrdf_load_stackoverflow) 1974-03-29
DE2242812B2 (de) 1977-06-23
FR2197673B1 (enrdf_load_stackoverflow) 1977-05-13
CH585078A5 (enrdf_load_stackoverflow) 1977-02-28
DE2242812A1 (de) 1974-03-14
SE383271B (sv) 1976-03-08

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Legal Events

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