JPS6150486U - - Google Patents

Info

Publication number

JPS6150486U

JPS6150486U JP13504784U JP13504784U JPS6150486U JP S6150486 U JPS6150486 U JP S6150486U JP 13504784 U JP13504784 U JP 13504784U JP 13504784 U JP13504784 U JP 13504784U JP S6150486 U JPS6150486 U JP S6150486U

Authority

JP

Japan

Prior art keywords

ballpoint pen

center core

contains ink

view

quality

Prior art date

1984-09-05

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

• 239000000976 ink Substances 0.000 claims description 12
• 238000002955 isolation Methods 0.000 claims description 2
• 230000002265 prevention Effects 0.000 description 7
• 230000002745 absorbent Effects 0.000 description 4
• 239000002250 absorbent Substances 0.000 description 4
• 239000000835 fiber Substances 0.000 description 2
• 239000000203 mixture Substances 0.000 description 2
• 238000010586 diagram Methods 0.000 description 1