FR77772E - Method and apparatus for vacuum molding - Google Patents

Method and apparatus for vacuum molding

Info

Publication number
FR77772E
FR77772E FR828106A FR828106A FR77772E FR 77772 E FR77772 E FR 77772E FR 828106 A FR828106 A FR 828106A FR 828106 A FR828106 A FR 828106A FR 77772 E FR77772 E FR 77772E
Authority
FR
France
Prior art keywords
vacuum molding
molding
vacuum
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
FR828106A
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.)
United States Steel Corp
Original Assignee
United States Steel Corp
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 United States Steel Corp filed Critical United States Steel Corp
Priority to FR828106A priority Critical patent/FR77772E/en
Application granted granted Critical
Publication of FR77772E publication Critical patent/FR77772E/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D18/00—Pressure casting; Vacuum casting
    • B22D18/06—Vacuum casting, i.e. making use of vacuum to fill the mould
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/10—Handling in a vacuum
FR828106A 1957-04-10 1960-05-24 Method and apparatus for vacuum molding Expired FR77772E (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR828106A FR77772E (en) 1957-04-10 1960-05-24 Method and apparatus for vacuum molding

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US872695XA 1957-04-10 1957-04-10
FR828106A FR77772E (en) 1957-04-10 1960-05-24 Method and apparatus for vacuum molding

Publications (1)

Publication Number Publication Date
FR77772E true FR77772E (en) 1962-04-20

Family

ID=26186154

Family Applications (1)

Application Number Title Priority Date Filing Date
FR828106A Expired FR77772E (en) 1957-04-10 1960-05-24 Method and apparatus for vacuum molding

Country Status (1)

Country Link
FR (1) FR77772E (en)

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