Hollow case for media having a base and cover

Receptacles – Sectional – Container formed of only two similar sections

Reexamination Certificate

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Reexamination Certificate

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07004343

ABSTRACT:
A case for a recording tape cartridge is formed by joining an upper case and a lower case via mutual peripheral walls. A blocking piece, which is disposed to extend along the peripheral wall of the upper case serving as a cover, is inserted into a recess, which is disposed in the lower case serving as a base and opens upward and sideward, and a portion of the recess is blocked off by the blocking piece, whereby an engagement hole is formed that is positioned lower than a parting line (PL) and opens only sideward. According to the invention, it is possible to form a recess that opens only toward the outer surface of the peripheral wall of the base of the case, without disposing undercuts in the base.

REFERENCES:
patent: 3493188 (1970-02-01), Krtous
patent: 5456528 (1995-10-01), Dalziel
patent: 5533642 (1996-07-01), Lafond et al.
patent: 6675959 (2004-01-01), Chiang

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