JPH0229681Y2 - - Google Patents

Info

Publication number

JPH0229681Y2

JPH0229681Y2 JP709384U JP709384U JPH0229681Y2 JP H0229681 Y2 JPH0229681 Y2 JP H0229681Y2 JP 709384 U JP709384 U JP 709384U JP 709384 U JP709384 U JP 709384U JP H0229681 Y2 JPH0229681 Y2 JP H0229681Y2

Authority

JP

Japan

Prior art keywords

lid

magnetic

permanent magnet

magnetic material

pipe

Prior art date

1984-01-20

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

• 239000000696 magnetic material Substances 0.000 claims description 17
• 238000001179 sorption measurement Methods 0.000 claims description 14
• 238000012856 packing Methods 0.000 claims description 8
• XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 20
• 229910052742 iron Inorganic materials 0.000 description 10
• 230000000694 effects Effects 0.000 description 3
• 238000000034 method Methods 0.000 description 3
• 238000007789 sealing Methods 0.000 description 2
• 239000000428 dust Substances 0.000 description 1
• 230000004907 flux Effects 0.000 description 1
• 238000004519 manufacturing process Methods 0.000 description 1
• 229910000859 α-Fe Inorganic materials 0.000 description 1