JPS63161920U - - Google Patents

Info

Publication number

JPS63161920U

JPS63161920U JP5406887U JP5406887U JPS63161920U JP S63161920 U JPS63161920 U JP S63161920U JP 5406887 U JP5406887 U JP 5406887U JP 5406887 U JP5406887 U JP 5406887U JP S63161920 U JPS63161920 U JP S63161920U

Authority

JP

Japan

Prior art keywords

antifreeze

pipe

water

piping

snow melting

Prior art date

1987-04-08

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.)

Granted

Links

• Espacenet
• Global Dossier
• Discuss

• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 29
• 230000002528 anti-freeze Effects 0.000 claims description 21
• 230000008018 melting Effects 0.000 claims description 12
• 238000002844 melting Methods 0.000 claims description 12
• 239000000155 melt Substances 0.000 claims description 8
• 238000002347 injection Methods 0.000 claims description 5
• 239000007924 injection Substances 0.000 claims description 5
• 238000010438 heat treatment Methods 0.000 claims description 3
• 238000009413 insulation Methods 0.000 claims description 3
• 239000002699 waste material Substances 0.000 claims description 3
• 238000009835 boiling Methods 0.000 claims description 2
• 238000004090 dissolution Methods 0.000 claims description 2
• 239000012774 insulation material Substances 0.000 claims description 2
• 239000000463 material Substances 0.000 claims description 2
• 239000003350 kerosene Substances 0.000 description 2
• 238000002485 combustion reaction Methods 0.000 description 1
• 230000002265 prevention Effects 0.000 description 1
• 230000002787 reinforcement Effects 0.000 description 1
• 239000010865 sewage Substances 0.000 description 1
• 239000004575 stone Substances 0.000 description 1