FR1199899A - Method and apparatus for hardening foundry molds and cores by means of carbon dioxide - Google Patents

Method and apparatus for hardening foundry molds and cores by means of carbon dioxide

Info

Publication number
FR1199899A
FR1199899A FR1199899DA FR1199899A FR 1199899 A FR1199899 A FR 1199899A FR 1199899D A FR1199899D A FR 1199899DA FR 1199899 A FR1199899 A FR 1199899A
Authority
FR
France
Prior art keywords
cores
carbon dioxide
foundry molds
hardening foundry
hardening
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
Other languages
French (fr)
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.)
Walther and Co AG
Original Assignee
Walther and Co 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 Walther and Co AG filed Critical Walther and Co AG
Application granted granted Critical
Publication of FR1199899A publication Critical patent/FR1199899A/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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K21/00—Fluid-delivery valves, e.g. self-closing valves
    • F16K21/04—Self-closing valves, i.e. closing automatically after operation
    • F16K21/06—Self-closing valves, i.e. closing automatically after operation in which the closing movement, either retarded or not, starts immediately after opening
    • F16K21/10—Self-closing valves, i.e. closing automatically after operation in which the closing movement, either retarded or not, starts immediately after opening with hydraulic brake cylinder acting on the closure member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
    • F17C7/02—Discharging liquefied gases
    • F17C7/04—Discharging liquefied gases with change of state, e.g. vaporisation

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
FR1199899D 1957-07-16 1958-07-16 Method and apparatus for hardening foundry molds and cores by means of carbon dioxide Expired FR1199899A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEW0021502 1957-07-16

Publications (1)

Publication Number Publication Date
FR1199899A true FR1199899A (en) 1959-12-16

Family

ID=7597035

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1199899D Expired FR1199899A (en) 1957-07-16 1958-07-16 Method and apparatus for hardening foundry molds and cores by means of carbon dioxide

Country Status (3)

Country Link
CH (1) CH364077A (en)
FR (1) FR1199899A (en)
GB (1) GB857109A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU605943B2 (en) * 1987-12-24 1991-01-24 Foseco International Limited Production of articles of bonded particulate material and binder compositions for use therein
RU2486987C2 (en) * 2010-12-29 2013-07-10 Виктор Наумович Ромашкин Method of combined moulds from liquid-glass self-hardening mixes
WO2012138306A1 (en) * 2011-04-04 2012-10-11 Ipragaz Anonim Sirketi An embodiment that produces energy from lpg in liquid phase
CN102632201A (en) * 2012-04-10 2012-08-15 武汉中精金属制品有限公司 Precision investment casting water glass binder shell CO2 gas hardening technology

Also Published As

Publication number Publication date
CH364077A (en) 1962-08-31
GB857109A (en) 1960-12-29

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