JPH0431330Y2 - - Google Patents

Info

Publication number

JPH0431330Y2

JPH0431330Y2 JP18051187U JP18051187U JPH0431330Y2 JP H0431330 Y2 JPH0431330 Y2 JP H0431330Y2 JP 18051187 U JP18051187 U JP 18051187U JP 18051187 U JP18051187 U JP 18051187U JP H0431330 Y2 JPH0431330 Y2 JP H0431330Y2

Authority

JP

Japan

Prior art keywords

cylindrical tube

spacer

tube

outer periphery

fitting

Prior art date

1987-11-27

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

• 125000006850 spacer group Chemical group 0.000 claims description 19
• 239000002184 metal Substances 0.000 claims description 17
• 238000004140 cleaning Methods 0.000 claims description 5
• 238000009415 formwork Methods 0.000 description 3
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
• 238000010276 construction Methods 0.000 description 1
• 238000007599 discharging Methods 0.000 description 1
• 230000000694 effects Effects 0.000 description 1
• 238000003780 insertion Methods 0.000 description 1
• 230000037431 insertion Effects 0.000 description 1
• 239000000463 material Substances 0.000 description 1
• 238000000034 method Methods 0.000 description 1
• 239000004570 mortar (masonry) Substances 0.000 description 1
• 230000003313 weakening effect Effects 0.000 description 1