JPS62109389U - - Google Patents

Info

Publication number

JPS62109389U

JPS62109389U JP20336685U JP20336685U JPS62109389U JP S62109389 U JPS62109389 U JP S62109389U JP 20336685 U JP20336685 U JP 20336685U JP 20336685 U JP20336685 U JP 20336685U JP S62109389 U JPS62109389 U JP S62109389U

Authority

JP

Japan

Prior art keywords

metal oxide

oxide ceramic

ceramic pipe

electric heating

heating coil

Prior art date

1985-12-27

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.)

Pending

Links

• Espacenet
• Global Dossier
• Discuss

• 238000005485 electric heating Methods 0.000 claims description 3
• 229910044991 metal oxide Inorganic materials 0.000 claims 3
• 150000004706 metal oxides Chemical class 0.000 claims 3
• 239000011224 oxide ceramic Substances 0.000 claims 3
• 238000009413 insulation Methods 0.000 claims 2
• 230000002093 peripheral effect Effects 0.000 claims 1
• 239000000919 ceramic Substances 0.000 description 1
• 230000001681 protective effect Effects 0.000 description 1