JPH0253672B2 - - Google Patents

Info

Publication number

JPH0253672B2

JPH0253672B2 JP25619584A JP25619584A JPH0253672B2 JP H0253672 B2 JPH0253672 B2 JP H0253672B2 JP 25619584 A JP25619584 A JP 25619584A JP 25619584 A JP25619584 A JP 25619584A JP H0253672 B2 JPH0253672 B2 JP H0253672B2

Authority

JP

Japan

Prior art keywords

tubular member

tube body

insulator

thin

walled portion

Prior art date

1984-12-03

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

• 239000012212 insulator Substances 0.000 claims description 41
• 239000011521 glass Substances 0.000 claims description 13
• 239000010445 mica Substances 0.000 claims description 10
• 229910052618 mica group Inorganic materials 0.000 claims description 10
• 239000004033 plastic Substances 0.000 claims description 8
• 229920003023 plastic Polymers 0.000 claims description 8
• 239000002184 metal Substances 0.000 description 12
• 238000000034 method Methods 0.000 description 8
• 230000002093 peripheral effect Effects 0.000 description 8
• 238000000465 moulding Methods 0.000 description 7
• 230000007547 defect Effects 0.000 description 6
• 239000008186 active pharmaceutical agent Substances 0.000 description 5
• 230000008602 contraction Effects 0.000 description 5
• 230000000694 effects Effects 0.000 description 5
• 239000000843 powder Substances 0.000 description 5
• 239000011810 insulating material Substances 0.000 description 4
• 239000002994 raw material Substances 0.000 description 4
• 229910000831 Steel Inorganic materials 0.000 description 3
• 238000010292 electrical insulation Methods 0.000 description 3
• 238000004519 manufacturing process Methods 0.000 description 3
• 239000000463 material Substances 0.000 description 3
• 239000010959 steel Substances 0.000 description 3
• 230000007704 transition Effects 0.000 description 3
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
• 230000032683 aging Effects 0.000 description 2
• 238000010438 heat treatment Methods 0.000 description 2
• 239000003208 petroleum Substances 0.000 description 2
• 229910001220 stainless steel Inorganic materials 0.000 description 2
• 239000010935 stainless steel Substances 0.000 description 2
• 230000017105 transposition Effects 0.000 description 2
• 230000006835 compression Effects 0.000 description 1
• 238000007906 compression Methods 0.000 description 1
• 230000007797 corrosion Effects 0.000 description 1
• 238000005260 corrosion Methods 0.000 description 1
• 230000003247 decreasing effect Effects 0.000 description 1
• 230000006866 deterioration Effects 0.000 description 1
• 238000009826 distribution Methods 0.000 description 1
• 238000005516 engineering process Methods 0.000 description 1
• 230000007613 environmental effect Effects 0.000 description 1
• 238000002474 experimental method Methods 0.000 description 1
• 239000012530 fluid Substances 0.000 description 1
• 238000009413 insulation Methods 0.000 description 1
• 230000007774 longterm Effects 0.000 description 1
• 238000003754 machining Methods 0.000 description 1
• 239000007769 metal material Substances 0.000 description 1
• 239000011812 mixed powder Substances 0.000 description 1
• 239000003129 oil well Substances 0.000 description 1
• 239000011368 organic material Substances 0.000 description 1
• 230000000149 penetrating effect Effects 0.000 description 1
• 239000007787 solid Substances 0.000 description 1
• 239000000725 suspension Substances 0.000 description 1
• 238000007514 turning Methods 0.000 description 1
• 239000011800 void material Substances 0.000 description 1