| 摘要 |
1,090,846. Moulded containers. W. R. GRACE & CO. May 18, 1965 [May 21, 1964; Sept. 9, 1964 (2); Dec. 21, 1964; March 22, 1965], No. 21064/65. Heading B8P. [Also in Division B5] A double walled container 1, Fig. 10, the halves of which are joined by an integral hinge is made by extruding a thermoplastics parison and blowing it in a two-part mould (see Divisions B4- B5). The inner wall which may be thinner than the outer wall is recessed or cut away to provide receiving pockets for the article parts for which the container is to be used.
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