JPS6215911Y2 - - Google Patents

Info

Publication number

JPS6215911Y2

JPS6215911Y2 JP1980181684U JP18168480U JPS6215911Y2 JP S6215911 Y2 JPS6215911 Y2 JP S6215911Y2 JP 1980181684 U JP1980181684 U JP 1980181684U JP 18168480 U JP18168480 U JP 18168480U JP S6215911 Y2 JPS6215911 Y2 JP S6215911Y2

Authority

JP

Japan

Prior art keywords

tape

magnetic tape

protrusions

hub

cassette

Prior art date

1980-12-19

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

• 230000001050 lubricating effect Effects 0.000 claims description 34
• 238000004804 winding Methods 0.000 description 17
• 239000000463 material Substances 0.000 description 4
• 230000000694 effects Effects 0.000 description 3
• 210000000078 claw Anatomy 0.000 description 2
• 238000012986 modification Methods 0.000 description 2
• 230000004048 modification Effects 0.000 description 2
• 230000002093 peripheral effect Effects 0.000 description 2
• 238000003780 insertion Methods 0.000 description 1
• 230000037431 insertion Effects 0.000 description 1
• 239000000314 lubricant Substances 0.000 description 1
• 229920013716 polyethylene resin Polymers 0.000 description 1
• 238000004080 punching Methods 0.000 description 1
• 230000001105 regulatory effect Effects 0.000 description 1
• 230000003014 reinforcing effect Effects 0.000 description 1