GB2090262A - Self-hardening compound for casting moulds and cores - Google Patents

Self-hardening compound for casting moulds and cores

Info

Publication number
GB2090262A
GB2090262A GB8201794A GB8201794A GB2090262A GB 2090262 A GB2090262 A GB 2090262A GB 8201794 A GB8201794 A GB 8201794A GB 8201794 A GB8201794 A GB 8201794A GB 2090262 A GB2090262 A GB 2090262A
Authority
GB
United Kingdom
Prior art keywords
self
cores
casting moulds
hardening compound
acid
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.)
Granted
Application number
GB8201794A
Other versions
GB2090262B (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.)
TSNIITMASH
Original Assignee
TSNIITMASH
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 TSNIITMASH filed Critical TSNIITMASH
Publication of GB2090262A publication Critical patent/GB2090262A/en
Application granted granted Critical
Publication of GB2090262B publication Critical patent/GB2090262B/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
    • B22C1/20—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
    • 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
    • B22C1/02—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by additives for special purposes, e.g. indicators, breakdown additives
    • B22C1/10—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by additives for special purposes, e.g. indicators, breakdown additives for influencing the hardening tendency of the mould material

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Mold Materials And Core Materials (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

A self-hardening compound for casting moulds and cores comprises a refractory filler and an acid, that acid being an organic acid with a dissociation constant of 10<s-5>s to 10<sI>s at the following rate of the components in parts by weight: refractory filler 95-99% organic acid 1-5%.
GB8201794A 1980-05-30 1980-05-30 Self-hardening compound for casting moulds and cores Expired GB2090262B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SU1980/000095 WO1981003445A1 (en) 1980-05-30 1980-05-30 Self-hardening compound for casting moulds and cores

Publications (2)

Publication Number Publication Date
GB2090262A true GB2090262A (en) 1982-07-07
GB2090262B GB2090262B (en) 1984-08-08

Family

ID=21616621

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8201794A Expired GB2090262B (en) 1980-05-30 1980-05-30 Self-hardening compound for casting moulds and cores

Country Status (4)

Country Link
JP (1) JPS57501566A (en)
DE (1) DE3050422C1 (en)
GB (1) GB2090262B (en)
WO (1) WO1981003445A1 (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU339090A1 (en) * 1968-12-27 1977-12-05 Центральный Научно-Исследовательский Институт Технологии Машиностроения Mixture for moulds and cores

Also Published As

Publication number Publication date
JPS57501566A (en) 1982-09-02
WO1981003445A1 (en) 1981-12-10
DE3050422C1 (en) 1984-10-25
GB2090262B (en) 1984-08-08

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Legal Events

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