Endverschluss für Staubsauger-Staubbeutel

摘要

1,221,322. Vacuum cleaner bag closures. CONSOLIDATED FOODS CORP. 15 Feb., 1968 [15 Feb., 1967; 6 March, 1967 (2); 28 March, 1967; 21 April, 1967], No. 7491/68. Heading B1T. The end closure member 13 for a vacuum cleaner dust bag 10 comprises a plate member (e.g. of cardboard) having a plurality of flaps such as 14 biassed to the closed position by resilient strip member such as 31a, 31b. Thus the flaps snap shut when the suction tube S is removed. As described, the resilient member may be a slitted rubber band 31. The plate member may comprise two cardboard layers 15, 16 sandwiching the resilient member. A production line for assembling the device is described. Figs. 20, 21 (not shown). Reference has been directed to Patent No. 1,119,976. Reference has been directed by the Comptroller to Specification 1,119,976.