CH364077A - Process and device for hardening casting molds and casting cores using carbonic acid - Google Patents

Process and device for hardening casting molds and casting cores using carbonic acid

Info

Publication number
CH364077A
CH364077A CH6178458A CH6178458A CH364077A CH 364077 A CH364077 A CH 364077A CH 6178458 A CH6178458 A CH 6178458A CH 6178458 A CH6178458 A CH 6178458A CH 364077 A CH364077 A CH 364077A
Authority
CH
Switzerland
Prior art keywords
casting
carbonic acid
hardening
cores
molds
Prior art date
Application number
CH6178458A
Other languages
German (de)
Inventor
Lammenett Heinrich
Landsberg Ernst
Poehler Karl
Original Assignee
Walther & Cie 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 & Cie Ag filed Critical Walther & Cie Ag
Publication of CH364077A publication Critical patent/CH364077A/en

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)
CH6178458A 1957-07-16 1958-07-15 Process and device for hardening casting molds and casting cores using carbonic acid CH364077A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CH364077A true CH364077A (en) 1962-08-31

Family

ID=7597035

Family Applications (1)

Application Number Title Priority Date Filing Date
CH6178458A CH364077A (en) 1957-07-16 1958-07-15 Process and device for hardening casting molds and casting cores using carbonic acid

Country Status (3)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0323096A2 (en) * 1987-12-24 1989-07-05 Foseco International Limited Production of articles of bonded particulate material and binder compostions for use therein

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0323096A2 (en) * 1987-12-24 1989-07-05 Foseco International Limited Production of articles of bonded particulate material and binder compostions for use therein
EP0323096A3 (en) * 1987-12-24 1990-06-13 Foseco International Limited Production of articles of bonded particulate material and binder compostions for use therein

Also Published As

Publication number Publication date
GB857109A (en) 1960-12-29
FR1199899A (en) 1959-12-16

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