JPS6231893U - - Google Patents

Info

Publication number

JPS6231893U

JPS6231893U JP12413185U JP12413185U JPS6231893U JP S6231893 U JPS6231893 U JP S6231893U JP 12413185 U JP12413185 U JP 12413185U JP 12413185 U JP12413185 U JP 12413185U JP S6231893 U JPS6231893 U JP S6231893U

Authority

JP

Japan

Prior art keywords

metal pipe

sheathed heater

electrically insulating

top coat

filling

Prior art date

1985-08-13

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 4
• 239000012777 electrically insulating material Substances 0.000 claims description 2
• 229910010293 ceramic material Inorganic materials 0.000 claims 1
• 229910000859 α-Fe Inorganic materials 0.000 claims 1
• 238000010438 heat treatment Methods 0.000 description 1

Cited By (1)