JPS62178493U - - Google Patents

Info

Publication number

JPS62178493U

JPS62178493U JP6796686U JP6796686U JPS62178493U JP S62178493 U JPS62178493 U JP S62178493U JP 6796686 U JP6796686 U JP 6796686U JP 6796686 U JP6796686 U JP 6796686U JP S62178493 U JPS62178493 U JP S62178493U

Authority

JP

Japan

Prior art keywords

steel pipe

heating element

insulating material

heat insulating

circumference

Prior art date

1986-05-06

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

• 238000010438 heat treatment Methods 0.000 claims description 4
• 229910000831 Steel Inorganic materials 0.000 claims 4
• 239000010959 steel Substances 0.000 claims 4
• 239000011810 insulating material Substances 0.000 claims 3
• OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 2
• 229910052799 carbon Inorganic materials 0.000 claims 2
• 239000011347 resin Substances 0.000 claims 2
• 229920005989 resin Polymers 0.000 claims 2
• 230000005611 electricity Effects 0.000 claims 1
• 238000010586 diagram Methods 0.000 description 1