JPS6120912Y2 - - Google Patents

Info

Publication number

JPS6120912Y2

JPS6120912Y2 JP5703680U JP5703680U JPS6120912Y2 JP S6120912 Y2 JPS6120912 Y2 JP S6120912Y2 JP 5703680 U JP5703680 U JP 5703680U JP 5703680 U JP5703680 U JP 5703680U JP S6120912 Y2 JPS6120912 Y2 JP S6120912Y2

Authority

JP

Japan

Prior art keywords

sleeve

spiral

reinforcing bars

concrete

deformed

Prior art date

1980-04-25

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
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• 230000003014 reinforcing effect Effects 0.000 claims description 69
• 229910000831 Steel Inorganic materials 0.000 claims description 36
• 239000010959 steel Substances 0.000 claims description 36
• 230000001747 exhibiting effect Effects 0.000 claims 1
• 239000000463 material Substances 0.000 description 27
• 230000002093 peripheral effect Effects 0.000 description 13
• 239000010953 base metal Substances 0.000 description 8
• 238000003780 insertion Methods 0.000 description 7
• 230000037431 insertion Effects 0.000 description 7
• JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 6
• 239000000945 filler Substances 0.000 description 4
• XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
• 230000003313 weakening effect Effects 0.000 description 3
• 238000005266 casting Methods 0.000 description 2
• 238000013461 design Methods 0.000 description 2
• 238000002347 injection Methods 0.000 description 2
• 239000007924 injection Substances 0.000 description 2
• 229910052742 iron Inorganic materials 0.000 description 2
• 239000002184 metal Substances 0.000 description 2
• 229910052751 metal Inorganic materials 0.000 description 2
• 230000002787 reinforcement Effects 0.000 description 2
• 230000005540 biological transmission Effects 0.000 description 1
• 238000010276 construction Methods 0.000 description 1
• 230000008878 coupling Effects 0.000 description 1
• 238000010168 coupling process Methods 0.000 description 1
• 238000005859 coupling reaction Methods 0.000 description 1
• 230000000694 effects Effects 0.000 description 1
• 239000003822 epoxy resin Substances 0.000 description 1
• 238000007429 general method Methods 0.000 description 1
• 238000005098 hot rolling Methods 0.000 description 1
• 150000002505 iron Chemical class 0.000 description 1
• 238000004519 manufacturing process Methods 0.000 description 1
• 230000013011 mating Effects 0.000 description 1
• 239000007769 metal material Substances 0.000 description 1
• 238000000034 method Methods 0.000 description 1
• 229920000647 polyepoxide Polymers 0.000 description 1
• 238000003825 pressing Methods 0.000 description 1