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    • 8. 发明专利
    • BOTTOMLESS BAG FOR DRINKING CUP
    • MY163770A
    • 2017-10-31
    • MYUI20081328
    • 2008-04-29
    • HSIN-FU WANG
    • HSIN-FU WANG
    • B65D23/10
    • A BOTTOMLESS BAG FOR DRINKING CUPS (1) IS DISCLOSED. A CYLINDRICAL PLASTIC SEMI-PRODUCT (6) IS FOLDED TO FORM TWO-LAYER STRUCTURE WITH FOLDABLE CONNECTING LINES (61, 62) ON AN UPPER EDGE (11) AND A LOWER EDGE (12) RESPECTIVELY. THEN CUT BY A KNIFE MOULD, A PLURALITY OF DOUBLE-LAYER PIECES (6A) WITH A NARROW TOP AND A WIDE BOTTOM ARE PRODUCED. THE BAG INCLUDES A GRIP (10) AND AT LEAST ONE CUFF MEMBER (20). THE CUFF MEMBER (20) IS FORMED BY EXTENSION OF ONE SEMI-CIRCULAR OPENING (21) ON THE WIDER FOLDABLE CONNECTING LINE OF THE LOWER EDGE (12) WHILE THE GRIP (10) IS FORMED BY CUTTING LINES EXTENDING FROM A LEFT AND A RIGHT ENDS (14) OF THE WIDER FOLDABLE CONNECTING LINE OF THE LOWER EDGE (12) TO A LEFT AND A RIGHT ENDS (14) OF A NARROWER FOLDABLE CONNECTING LINE OF THE UPPER EDGE (11). AFTER BEING EXTENDED, THE CUTTING LINE BECOMES A RING-SHAPED GRIP (10). THUS A CONICAL FRUSTUM SHAPED DRINKING CUP (7) IS HANGING ON THE BAG SUSPENDINGLY.