JPS6348724Y2 - - Google Patents

Info

Publication number

JPS6348724Y2

JPS6348724Y2 JP13359183U JP13359183U JPS6348724Y2 JP S6348724 Y2 JPS6348724 Y2 JP S6348724Y2 JP 13359183 U JP13359183 U JP 13359183U JP 13359183 U JP13359183 U JP 13359183U JP S6348724 Y2 JPS6348724 Y2 JP S6348724Y2

Authority

JP

Japan

Prior art keywords

elongated hole

folded edge

tongue piece

movable

portal

Prior art date

1983-08-31

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

• 239000002184 metal Substances 0.000 claims description 13
• 230000003014 reinforcing effect Effects 0.000 claims description 5
• 239000000463 material Substances 0.000 description 7
• 238000003466 welding Methods 0.000 description 7
• 230000000630 rising effect Effects 0.000 description 6
• 230000008602 contraction Effects 0.000 description 5
• 238000010276 construction Methods 0.000 description 4
• 230000004044 response Effects 0.000 description 3
• 229910001220 stainless steel Inorganic materials 0.000 description 3
• 239000010935 stainless steel Substances 0.000 description 3
• 230000007797 corrosion Effects 0.000 description 2
• 238000005260 corrosion Methods 0.000 description 2
• 230000000694 effects Effects 0.000 description 2
• 229910000639 Spring steel Inorganic materials 0.000 description 1
• 238000005452 bending Methods 0.000 description 1
• 238000004519 manufacturing process Methods 0.000 description 1
• 239000011150 reinforced concrete Substances 0.000 description 1
• 230000002787 reinforcement Effects 0.000 description 1
• 238000011160 research Methods 0.000 description 1
• 238000012827 research and development Methods 0.000 description 1
• 230000031070 response to heat Effects 0.000 description 1
• 230000008646 thermal stress Effects 0.000 description 1