JPS61177747U - - Google Patents

Info

Publication number

JPS61177747U

JPS61177747U JP6069585U JP6069585U JPS61177747U JP S61177747 U JPS61177747 U JP S61177747U JP 6069585 U JP6069585 U JP 6069585U JP 6069585 U JP6069585 U JP 6069585U JP S61177747 U JPS61177747 U JP S61177747U

Authority

JP

Japan

Prior art keywords

covered

core

vacuum molding

casting

applying

Prior art date

1985-04-23

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

• 238000000465 moulding Methods 0.000 claims description 3
• 238000000034 method Methods 0.000 claims description 2
• 238000005266 casting Methods 0.000 claims 2
• 239000011248 coating agent Substances 0.000 claims 1
• 238000000576 coating method Methods 0.000 claims 1
• 238000009413 insulation Methods 0.000 claims 1
• 238000004519 manufacturing process Methods 0.000 claims 1
• 239000002985 plastic film Substances 0.000 claims 1
• 229920006255 plastic film Polymers 0.000 claims 1
• VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
• 239000004576 sand Substances 0.000 description 1
• 239000000377 silicon dioxide Substances 0.000 description 1