JPS564367A - Metal flask for vacuum casting - Google Patents

Metal flask for vacuum casting

Info

Publication number
JPS564367A
JPS564367A JP7816479A JP7816479A JPS564367A JP S564367 A JPS564367 A JP S564367A JP 7816479 A JP7816479 A JP 7816479A JP 7816479 A JP7816479 A JP 7816479A JP S564367 A JPS564367 A JP S564367A
Authority
JP
Japan
Prior art keywords
vacuum
metal flask
maintained
spring
check valve
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.)
Pending
Application number
JP7816479A
Other languages
English (en)
Inventor
Ryozo Hashida
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP7816479A priority Critical patent/JPS564367A/ja
Publication of JPS564367A publication Critical patent/JPS564367A/ja
Pending legal-status Critical Current

Links

JP7816479A 1979-06-22 1979-06-22 Metal flask for vacuum casting Pending JPS564367A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7816479A JPS564367A (en) 1979-06-22 1979-06-22 Metal flask for vacuum casting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7816479A JPS564367A (en) 1979-06-22 1979-06-22 Metal flask for vacuum casting

Publications (1)

Publication Number Publication Date
JPS564367A true JPS564367A (en) 1981-01-17

Family

ID=13654282

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7816479A Pending JPS564367A (en) 1979-06-22 1979-06-22 Metal flask for vacuum casting

Country Status (1)

Country Link
JP (1) JPS564367A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57138530A (en) * 1981-02-13 1982-08-26 Mitsubishi Electric Corp Electric power source apparatus for machining with electrical discharge

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57138530A (en) * 1981-02-13 1982-08-26 Mitsubishi Electric Corp Electric power source apparatus for machining with electrical discharge

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