JPS63129991U - - Google Patents

Info

Publication number

JPS63129991U

JPS63129991U JP2160987U JP2160987U JPS63129991U JP S63129991 U JPS63129991 U JP S63129991U JP 2160987 U JP2160987 U JP 2160987U JP 2160987 U JP2160987 U JP 2160987U JP S63129991 U JPS63129991 U JP S63129991U

Authority

JP

Japan

Prior art keywords

center

hole

top plate

heat insulating

case

Prior art date

1987-02-17

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 6
• 239000000919 ceramic Substances 0.000 claims description 3
• 238000010438 heat treatment Methods 0.000 claims description 3
• VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 2
• PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims 1
• 239000000835 fiber Substances 0.000 claims 1
• 239000011810 insulating material Substances 0.000 claims 1
• 239000002184 metal Substances 0.000 claims 1
• 239000000377 silicon dioxide Substances 0.000 claims 1
• 240000007594 Oryza sativa Species 0.000 description 1
• 235000007164 Oryza sativa Nutrition 0.000 description 1
• 238000010586 diagram Methods 0.000 description 1
• 238000009413 insulation Methods 0.000 description 1
• 235000009566 rice Nutrition 0.000 description 1