JPH0346052Y2 - - Google Patents

Info

Publication number

JPH0346052Y2

JPH0346052Y2 JP537187U JP537187U JPH0346052Y2 JP H0346052 Y2 JPH0346052 Y2 JP H0346052Y2 JP 537187 U JP537187 U JP 537187U JP 537187 U JP537187 U JP 537187U JP H0346052 Y2 JPH0346052 Y2 JP H0346052Y2

Authority

JP

Japan

Prior art keywords

water

water tank

fire extinguishing

pipe

underground

Prior art date

1987-01-17

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.)

Expired

Links

• Espacenet
• Global Dossier
• Discuss

• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 49
• RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 8
• 229910052802 copper Inorganic materials 0.000 description 8
• 239000010949 copper Substances 0.000 description 8
• 238000010586 diagram Methods 0.000 description 2
• 238000012423 maintenance Methods 0.000 description 2
• 239000010426 asphalt Substances 0.000 description 1
• 239000000428 dust Substances 0.000 description 1
• 238000005516 engineering process Methods 0.000 description 1
• 230000008014 freezing Effects 0.000 description 1
• 238000007710 freezing Methods 0.000 description 1
• 238000002347 injection Methods 0.000 description 1
• 239000007924 injection Substances 0.000 description 1
• 238000007689 inspection Methods 0.000 description 1
• JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
• 230000002265 prevention Effects 0.000 description 1
• 238000005086 pumping Methods 0.000 description 1
• 230000004043 responsiveness Effects 0.000 description 1
• 238000007789 sealing Methods 0.000 description 1
• 239000002689 soil Substances 0.000 description 1
• 239000007921 spray Substances 0.000 description 1
• 239000008400 supply water Substances 0.000 description 1