JPS6270621U - - Google Patents

Info

Publication number

JPS6270621U

JPS6270621U JP16238385U JP16238385U JPS6270621U JP S6270621 U JPS6270621 U JP S6270621U JP 16238385 U JP16238385 U JP 16238385U JP 16238385 U JP16238385 U JP 16238385U JP S6270621 U JPS6270621 U JP S6270621U

Authority

JP

Japan

Prior art keywords

metal tubes

pair

relatively short

slightly smaller

outer diameter

Prior art date

1985-10-23

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.)

Pending

Links

• Espacenet
• Global Dossier
• Discuss

• 239000002184 metal Substances 0.000 claims description 7
• 239000012212 insulator Substances 0.000 claims description 2
• 238000003466 welding Methods 0.000 claims description 2
• 230000037431 insertion Effects 0.000 claims 1
• 238000003780 insertion Methods 0.000 claims 1
• 239000000463 material Substances 0.000 description 1
• 230000002787 reinforcement Effects 0.000 description 1
• 230000003014 reinforcing effect Effects 0.000 description 1