JPS6419150U - - Google Patents

Info

Publication number

JPS6419150U

JPS6419150U JP11429087U JP11429087U JPS6419150U JP S6419150 U JPS6419150 U JP S6419150U JP 11429087 U JP11429087 U JP 11429087U JP 11429087 U JP11429087 U JP 11429087U JP S6419150 U JPS6419150 U JP S6419150U

Authority

JP

Japan

Prior art keywords

recess

paper

plastic

close contact

mainly composed

Prior art date

1987-07-24

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

• 238000009415 formwork Methods 0.000 claims description 2
• 238000004519 manufacturing process Methods 0.000 claims description 2
• 239000002131 composite material Substances 0.000 claims 2
• 230000003014 reinforcing effect Effects 0.000 claims 2
• 239000000463 material Substances 0.000 claims 1
• 238000012986 modification Methods 0.000 description 2
• 230000004048 modification Effects 0.000 description 2
• 238000010586 diagram Methods 0.000 description 1
• 230000002093 peripheral effect Effects 0.000 description 1
• 230000002787 reinforcement Effects 0.000 description 1