JPS52111419A - Old sand roasting - Google Patents

Old sand roasting

Info

Publication number
JPS52111419A
JPS52111419A JP2806276A JP2806276A JPS52111419A JP S52111419 A JPS52111419 A JP S52111419A JP 2806276 A JP2806276 A JP 2806276A JP 2806276 A JP2806276 A JP 2806276A JP S52111419 A JPS52111419 A JP S52111419A
Authority
JP
Japan
Prior art keywords
old sand
sand roasting
roasting
old
sand
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
JP2806276A
Other languages
English (en)
Inventor
Takeo Komuro
Takaaki Oguri
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 JP2806276A priority Critical patent/JPS52111419A/ja
Publication of JPS52111419A publication Critical patent/JPS52111419A/ja
Pending legal-status Critical Current

Links

Landscapes

  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
JP2806276A 1976-03-17 1976-03-17 Old sand roasting Pending JPS52111419A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2806276A JPS52111419A (en) 1976-03-17 1976-03-17 Old sand roasting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2806276A JPS52111419A (en) 1976-03-17 1976-03-17 Old sand roasting

Publications (1)

Publication Number Publication Date
JPS52111419A true JPS52111419A (en) 1977-09-19

Family

ID=12238263

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2806276A Pending JPS52111419A (en) 1976-03-17 1976-03-17 Old sand roasting

Country Status (1)

Country Link
JP (1) JPS52111419A (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57146928U (ja) * 1981-03-05 1982-09-16
JPS62148052A (ja) * 1985-12-23 1987-07-02 Tokyo Gas Co Ltd 鋳物砂再生方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57146928U (ja) * 1981-03-05 1982-09-16
JPS62148052A (ja) * 1985-12-23 1987-07-02 Tokyo Gas Co Ltd 鋳物砂再生方法

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