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CA938421A - Process and system for forming foundry cores and molds - Google Patents

Process and system for forming foundry cores and molds

Info

Publication number
CA938421A
CA938421A CA101144A CA101144A CA938421A CA 938421 A CA938421 A CA 938421A CA 101144 A CA101144 A CA 101144A CA 101144 A CA101144 A CA 101144A CA 938421 A CA938421 A CA 938421A
Authority
CA
Canada
Prior art keywords
molds
foundry cores
forming foundry
forming
cores
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
CA101144A
Other versions
CA101144S (en
Inventor
Lester F. Stump, Jr.
R. Zifferer Lothar
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.)
ALPHACO
Original Assignee
ALPHACO
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 ALPHACO filed Critical ALPHACO
Application granted granted Critical
Publication of CA938421A publication Critical patent/CA938421A/en
Expired legal-status Critical Current

Links

Classifications

    • 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)
  • Mold Materials And Core Materials (AREA)
CA101144A 1970-03-25 1970-12-21 Process and system for forming foundry cores and molds Expired CA938421A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US2258670A 1970-03-25 1970-03-25

Publications (1)

Publication Number Publication Date
CA938421A true CA938421A (en) 1973-12-18

Family

ID=21810356

Family Applications (1)

Application Number Title Priority Date Filing Date
CA101144A Expired CA938421A (en) 1970-03-25 1970-12-21 Process and system for forming foundry cores and molds

Country Status (4)

Country Link
CA (1) CA938421A (en)
DE (1) DE2109317A1 (en)
FR (1) FR2083558B1 (en)
GB (1) GB1296649A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2554414C2 (en) * 1975-12-03 1982-07-01 Alfelder Maschinen- und Modell-Fabrik Künkel, Wagner & Co KG, 3220 Alfeld Method and apparatus for making sand casting molds
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
FR2516819A1 (en) * 1981-11-26 1983-05-27 Sintokogio Ltd Sand mould prepn. - by applying a vacuum for sand compression and penetration by hardening gas
DE4112701A1 (en) * 1991-04-18 1992-10-22 Dossmann Gmbh Eisengiesserei U METHOD AND DEVICE FOR PRODUCING SAND CORE FOR METAL CASTING
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
CN109396353B (en) * 2018-12-24 2020-09-29 沈阳汇亚通铸造材料有限责任公司 CO blowing of sodium silicate sand for casting2Hardening method

Also Published As

Publication number Publication date
DE2109317A1 (en) 1971-10-07
FR2083558B1 (en) 1974-02-15
FR2083558A1 (en) 1971-12-17
GB1296649A (en) 1972-11-15

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