| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide the low cost mold for a magnetic tape cassette housing case and a magnetic tape cassette housing case having an excellent external appearance. SOLUTION: In the mold 70 for molding a magnetic tape cassette housing case, in which presser ribs pinching between the bottom plate of a housing part a magnetic tape cassette by abutting against the surface peripheral edge of the magnetic tape cassette when the magnetic tape is housed are formed on the inner surfaces of both the side walls 42 of the peripheral wall of a lid part, and, at the same time, a paper holding rib 58 for holding the end of an information paper is annexed between at least either one holding down rib between the holding down ribs and the ceiling plate 40 of the lid, a core 80 of a rib for forming the holding down rib is arranged rockably or a movable mold 72 for forming the interior side of the magnetic tape cassette housing case and, in addition, the rocking direction of the core is set in the direction along the side wall 42.</p> |
