JPS6225399U - - Google Patents

Info

Publication number

JPS6225399U

JPS6225399U JP11650285U JP11650285U JPS6225399U JP S6225399 U JPS6225399 U JP S6225399U JP 11650285 U JP11650285 U JP 11650285U JP 11650285 U JP11650285 U JP 11650285U JP S6225399 U JPS6225399 U JP S6225399U

Authority

JP

Japan

Prior art keywords

pipe material

opening

prevention device

rust prevention

protective cap

Prior art date

1985-07-31

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.)

Pending

Links

• Espacenet
• Global Dossier
• Discuss

• JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 4
• 230000001681 protective effect Effects 0.000 claims description 4
• 230000002265 prevention Effects 0.000 claims description 3
• 230000003449 preventive effect Effects 0.000 description 1
• 238000007789 sealing Methods 0.000 description 1