发明名称 COMPOSITE TAPE CASSETTE
摘要 <p>A composite tape cassette (10, 12), for use in either video or audio format is disclosed. The tape cassette (10, 12) includes a lightweight rigid thermoplastic frame (10) for carrying the reels (20) and tape and providing structural rigidity to the cassette (10, 12). The frame (10) is encompassed by a paperboard sheath (12) which is securely bonded (29) thereto. Graphics for the cassette are carried directly on the sheath.</p>
申请公布号 WO1993026009(A1) 申请公布日期 1993.12.23
申请号 US1993005579 申请日期 1993.06.08
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