JPH043054Y2 - - Google Patents

Info

Publication number

JPH043054Y2

JPH043054Y2 JP11132786U JP11132786U JPH043054Y2 JP H043054 Y2 JPH043054 Y2 JP H043054Y2 JP 11132786 U JP11132786 U JP 11132786U JP 11132786 U JP11132786 U JP 11132786U JP H043054 Y2 JPH043054 Y2 JP H043054Y2

Authority

JP

Japan

Prior art keywords

tread

steel

plate

bent

riser

Prior art date

1986-07-18

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

• 229910000831 Steel Inorganic materials 0.000 claims description 33
• 239000010959 steel Substances 0.000 claims description 33
• 230000000630 rising effect Effects 0.000 claims description 15
• 238000005452 bending Methods 0.000 claims description 11
• 238000003466 welding Methods 0.000 description 7
• XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
• 239000004570 mortar (masonry) Substances 0.000 description 4
• 238000004519 manufacturing process Methods 0.000 description 3
• 239000000463 material Substances 0.000 description 3
• 230000000694 effects Effects 0.000 description 2
• 229910052742 iron Inorganic materials 0.000 description 2
• 229910000746 Structural steel Inorganic materials 0.000 description 1
• 238000000429 assembly Methods 0.000 description 1
• 230000000712 assembly Effects 0.000 description 1
• 238000005520 cutting process Methods 0.000 description 1
• 238000006073 displacement reaction Methods 0.000 description 1
• 238000005553 drilling Methods 0.000 description 1
• 238000005516 engineering process Methods 0.000 description 1
• 238000000034 method Methods 0.000 description 1