JPH0430015Y2 - - Google Patents

Info

Publication number

JPH0430015Y2

JPH0430015Y2 JP14919886U JP14919886U JPH0430015Y2 JP H0430015 Y2 JPH0430015 Y2 JP H0430015Y2 JP 14919886 U JP14919886 U JP 14919886U JP 14919886 U JP14919886 U JP 14919886U JP H0430015 Y2 JPH0430015 Y2 JP H0430015Y2

Authority

JP

Japan

Prior art keywords

inner frame

shape

frame

forming

outer frame

Prior art date

1986-09-29

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

Links

• Espacenet
• Global Dossier
• Discuss

• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
• 239000000463 material Substances 0.000 claims description 20
• 238000004519 manufacturing process Methods 0.000 claims description 16
• 239000002131 composite material Substances 0.000 claims description 11
• 230000001788 irregular Effects 0.000 claims description 5
• 239000011796 hollow space material Substances 0.000 claims description 2
• 238000010408 sweeping Methods 0.000 description 6
• 238000000034 method Methods 0.000 description 4
• 238000005056 compaction Methods 0.000 description 2
• 239000007769 metal material Substances 0.000 description 2
• 230000003014 reinforcing effect Effects 0.000 description 2
• 238000003466 welding Methods 0.000 description 2
• 238000005299 abrasion Methods 0.000 description 1
• 230000015572 biosynthetic process Effects 0.000 description 1
• 239000004568 cement Substances 0.000 description 1
• 230000007423 decrease Effects 0.000 description 1
• 238000005553 drilling Methods 0.000 description 1
• 230000000694 effects Effects 0.000 description 1
• 238000005516 engineering process Methods 0.000 description 1
• 239000002245 particle Substances 0.000 description 1
• 230000000630 rising effect Effects 0.000 description 1
• 239000013049 sediment Substances 0.000 description 1