JPS63172420U - - Google Patents

Info

Publication number

JPS63172420U

JPS63172420U JP6506687U JP6506687U JPS63172420U JP S63172420 U JPS63172420 U JP S63172420U JP 6506687 U JP6506687 U JP 6506687U JP 6506687 U JP6506687 U JP 6506687U JP S63172420 U JPS63172420 U JP S63172420U

Authority

JP

Japan

Prior art keywords

voids

core material

sheet

utility

model registration

Prior art date

1987-04-28

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

• 239000011162 core material Substances 0.000 claims description 5
• 238000010438 heat treatment Methods 0.000 claims description 2
• OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 2
• XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 2
• 229910052742 iron Inorganic materials 0.000 claims 1
• 239000000463 material Substances 0.000 claims 1
• 150000003839 salts Chemical class 0.000 claims 1
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
• 239000000126 substance Substances 0.000 description 1