Claims
- 1. In a magnetic tape cassette wherein a plurality of tape winding bodies on which a magnetic tape is wound are housed in a cassette case, each tape winding body contacting at least one portion of said cassette case to define at lest one contacting portion therebetween, the improvement comprising hard coatings being formed on said at least one contacting portion of said each tape winding body and the cassette case.
- 2. The magnetic tape cassette according to claim 1, wherein said hard coating comprises an ultraviolet-cured coating.
- 3. The magnetic tape cassette according to claim 2, wherein said ultraviolet-cured coating is formed from an ultraviolet-cured agent selected from the group consisting of unsaturated polyester agents, unsaturated urethane-acrylate agents, unsaturated epoxy-acrylate agents, and unsaturated polyester-acrylate agents cured by applying ultraviolet radiation thereto.
Priority Claims (7)
Number |
Date |
Country |
Kind |
63-33175 |
Mar 1988 |
JPX |
|
63-33176 |
Mar 1988 |
JPX |
|
63-36416 |
Mar 1988 |
JPX |
|
63-42993 |
Apr 1988 |
JPX |
|
63-46184 |
Apr 1988 |
JPX |
|
63-46185 |
Apr 1988 |
JPX |
|
63-50834 |
Apr 1988 |
JPX |
|
Parent Case Info
This is a divisional of application No. 07/323,926 filed Mar. 15, 1989, now U.S. Pat. No. 5,041,938.
US Referenced Citations (6)
Divisions (1)
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Number |
Date |
Country |
Parent |
323926 |
Mar 1989 |
|