JPS63925Y2 - - Google Patents

Info

Publication number

JPS63925Y2

JPS63925Y2 JP693180U JP693180U JPS63925Y2 JP S63925 Y2 JPS63925 Y2 JP S63925Y2 JP 693180 U JP693180 U JP 693180U JP 693180 U JP693180 U JP 693180U JP S63925 Y2 JPS63925 Y2 JP S63925Y2

Authority

JP

Japan

Prior art keywords

scaffolding

bolt

insulating washer

protrusions

utility pole

Prior art date

1980-01-22

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
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• 238000003780 insertion Methods 0.000 claims description 11
• 230000037431 insertion Effects 0.000 claims description 11
• 229920001971 elastomer Polymers 0.000 claims description 4
• 239000004033 plastic Substances 0.000 claims description 4
• 229920003023 plastic Polymers 0.000 claims description 4
• 239000005060 rubber Substances 0.000 claims description 4
• 230000035515 penetration Effects 0.000 claims 1
• 238000009413 insulation Methods 0.000 description 4
• 230000002542 deteriorative effect Effects 0.000 description 2
• 238000009434 installation Methods 0.000 description 2
• 229920001342 Bakelite® Polymers 0.000 description 1
• 239000004698 Polyethylene Substances 0.000 description 1
• 239000004637 bakelite Substances 0.000 description 1
• 238000005452 bending Methods 0.000 description 1
• 238000010276 construction Methods 0.000 description 1
• 238000005336 cracking Methods 0.000 description 1
• 238000010292 electrical insulation Methods 0.000 description 1
• 239000011810 insulating material Substances 0.000 description 1
• 239000000463 material Substances 0.000 description 1
• 238000000465 moulding Methods 0.000 description 1
• -1 polyethylene Polymers 0.000 description 1
• 229920000573 polyethylene Polymers 0.000 description 1
• 229920000915 polyvinyl chloride Polymers 0.000 description 1
• 239000004800 polyvinyl chloride Substances 0.000 description 1