| 摘要 |
<p>976,207. Flexible containers; bags. G. N. HEIN. April 8, 1963 [May 7, 1962], No. 17319/64. Divided out of 976,206. Headings B8D and B8K. A container or bag, formed as shown in Fig. IV, has a chamber 13 which may be divided from an annular chamber 11 by flexing the lower wall of the container upwards. The container, designed for use on a centrifuge, is made of transparent plastics sheets bonded together along their edges 4. The lower wall is more flexible than the upper wall.</p> |
