JPH0534395Y2 - - Google Patents

Info

Publication number

JPH0534395Y2

JPH0534395Y2 JP14530387U JP14530387U JPH0534395Y2 JP H0534395 Y2 JPH0534395 Y2 JP H0534395Y2 JP 14530387 U JP14530387 U JP 14530387U JP 14530387 U JP14530387 U JP 14530387U JP H0534395 Y2 JPH0534395 Y2 JP H0534395Y2

Authority

JP

Japan

Prior art keywords

lining

tube

peripheral surface

porous body

protrusions

Prior art date

1987-09-25

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 - Lifetime

Links

• Espacenet
• Global Dossier
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• 230000002093 peripheral effect Effects 0.000 claims description 14
• 238000001125 extrusion Methods 0.000 claims description 3
• 238000003466 welding Methods 0.000 description 8
• 125000006850 spacer group Chemical group 0.000 description 5
• 238000004080 punching Methods 0.000 description 4
• 230000000694 effects Effects 0.000 description 2
• 238000007796 conventional method Methods 0.000 description 1
• 238000005516 engineering process Methods 0.000 description 1
• 239000012530 fluid Substances 0.000 description 1
• 238000000034 method Methods 0.000 description 1
• 238000000465 moulding Methods 0.000 description 1
• 230000003014 reinforcing effect Effects 0.000 description 1
• 238000004804 winding Methods 0.000 description 1