JPS63189424U - - Google Patents

Info

Publication number

JPS63189424U

JPS63189424U JP7865087U JP7865087U JPS63189424U JP S63189424 U JPS63189424 U JP S63189424U JP 7865087 U JP7865087 U JP 7865087U JP 7865087 U JP7865087 U JP 7865087U JP S63189424 U JPS63189424 U JP S63189424U

Authority

JP

Japan

Prior art keywords

layer

forms

cement layer

mold body

resin layer

Prior art date

1987-05-25

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

• 239000004568 cement Substances 0.000 claims description 5
• 238000001035 drying Methods 0.000 claims description 2
• 239000011347 resin Substances 0.000 claims 2
• 229920005989 resin Polymers 0.000 claims 2
• 238000004519 manufacturing process Methods 0.000 description 2
• 239000003822 epoxy resin Substances 0.000 description 1
• 238000000034 method Methods 0.000 description 1
• 229920000647 polyepoxide Polymers 0.000 description 1