JPS635789Y2 - - Google Patents

Info

Publication number

JPS635789Y2

JPS635789Y2 JP18996580U JP18996580U JPS635789Y2 JP S635789 Y2 JPS635789 Y2 JP S635789Y2 JP 18996580 U JP18996580 U JP 18996580U JP 18996580 U JP18996580 U JP 18996580U JP S635789 Y2 JPS635789 Y2 JP S635789Y2

Authority

JP

Japan

Prior art keywords

water

hole

water sprinkling

sprinkling

snow melting

Prior art date

1980-12-31

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.)

Expired

Links

• Espacenet
• Global Dossier
• Discuss

• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 121
• 238000002844 melting Methods 0.000 claims description 24
• 230000008018 melting Effects 0.000 claims description 24
• 239000007921 spray Substances 0.000 description 5
• 238000004140 cleaning Methods 0.000 description 2
• 238000010586 diagram Methods 0.000 description 2
• JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
• 230000007257 malfunction Effects 0.000 description 1
• 238000004519 manufacturing process Methods 0.000 description 1
• 239000000155 melt Substances 0.000 description 1
• 238000000034 method Methods 0.000 description 1