JPH01151939U - - Google Patents

Info

Publication number

JPH01151939U

JPH01151939U JP4399388U JP4399388U JPH01151939U JP H01151939 U JPH01151939 U JP H01151939U JP 4399388 U JP4399388 U JP 4399388U JP 4399388 U JP4399388 U JP 4399388U JP H01151939 U JPH01151939 U JP H01151939U

Authority

JP

Japan

Prior art keywords

ventilation

core

mold

cavity

molding machine

Prior art date

1988-03-31

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

Links

• Espacenet
• Global Dossier
• Discuss

• 238000009423 ventilation Methods 0.000 claims description 19
• 238000000465 moulding Methods 0.000 claims description 4
• 239000004576 sand Substances 0.000 claims description 3
• 238000010586 diagram Methods 0.000 description 5
• 238000003780 insertion Methods 0.000 description 2
• 230000037431 insertion Effects 0.000 description 2
• 238000012986 modification Methods 0.000 description 1
• 230000004048 modification Effects 0.000 description 1