JPH054917Y2 - - Google Patents

Info

Publication number

JPH054917Y2

JPH054917Y2 JP1585687U JP1585687U JPH054917Y2 JP H054917 Y2 JPH054917 Y2 JP H054917Y2 JP 1585687 U JP1585687 U JP 1585687U JP 1585687 U JP1585687 U JP 1585687U JP H054917 Y2 JPH054917 Y2 JP H054917Y2

Authority

JP

Japan

Prior art keywords

hole

sand

mold

core

lower mold

Prior art date

1987-02-05

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 - Lifetime

Links

• Espacenet
• Global Dossier
• Discuss

• 239000004576 sand Substances 0.000 claims description 37
• 238000007664 blowing Methods 0.000 claims description 20
• 238000004140 cleaning Methods 0.000 claims description 12
• 238000002347 injection Methods 0.000 description 2
• 239000007924 injection Substances 0.000 description 2
• 230000002093 peripheral effect Effects 0.000 description 2
• 238000007792 addition Methods 0.000 description 1
• 230000000903 blocking effect Effects 0.000 description 1
• 230000000694 effects Effects 0.000 description 1
• 238000000034 method Methods 0.000 description 1
• 238000000465 moulding Methods 0.000 description 1