| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a portable case which is lightweight, rugged, made of light alloy materials, consists of small number of parts and excels in air- tightness and assembling. SOLUTION: The portable case is composed of a couple of enclosures 11, 12 which are formed into shape of cavities in interior sides and are rotatably connected together through intervention of a couple of hinges 21, 22 at mutual bottom edge parts, which constitute a closing condition by joining the both enclosures 11, 12 together along matching faces of mutual opening edges, and the each enclosure of which is formed by casting a light alloy particularly with magnesium alloy in a mold.</p> |
