JPH0545640Y2 - - Google Patents

Info

Publication number

JPH0545640Y2

JPH0545640Y2 JP12750187U JP12750187U JPH0545640Y2 JP H0545640 Y2 JPH0545640 Y2 JP H0545640Y2 JP 12750187 U JP12750187 U JP 12750187U JP 12750187 U JP12750187 U JP 12750187U JP H0545640 Y2 JPH0545640 Y2 JP H0545640Y2

Authority

JP

Japan

Prior art keywords

frame

opening

lower frame

upper frame

dividing line

Prior art date

1987-08-24

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.)

Expired - Lifetime

Links

• Espacenet
• Global Dossier
• Discuss

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• 238000003466 welding Methods 0.000 claims description 6
• 238000010276 construction Methods 0.000 description 8
• 229910000831 Steel Inorganic materials 0.000 description 7
• 239000010959 steel Substances 0.000 description 7
• 239000000463 material Substances 0.000 description 6
• 238000005304 joining Methods 0.000 description 4
• 239000002390 adhesive tape Substances 0.000 description 3
• 238000009415 formwork Methods 0.000 description 3
• 238000005266 casting Methods 0.000 description 2
• 230000000694 effects Effects 0.000 description 2
• 238000005242 forging Methods 0.000 description 2
• 238000000034 method Methods 0.000 description 2
• 238000000926 separation method Methods 0.000 description 2
• 238000010586 diagram Methods 0.000 description 1
• 238000005516 engineering process Methods 0.000 description 1
• 239000002184 metal Substances 0.000 description 1
• 230000002093 peripheral effect Effects 0.000 description 1
• 230000003014 reinforcing effect Effects 0.000 description 1
• 239000010865 sewage Substances 0.000 description 1
• 238000003860 storage Methods 0.000 description 1
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1