20140143987 | UNIT AND ZIPPER DEVICE FOR BLOCKING HARMFUL INSECTS - A zipper device for blocking harmful insects: a pair of tapes; a plurality of teeth fixed to the tapes so as to longitudinally face the same; a slide to be inserted into the teeth so as to allow the teeth to be engaged or the engaged teeth to be released; and a blocking unit in which an insertion groove is formed at one end so as to allow one portion of the slide to be inserted, and the blocking unit is placed at one end point of the teeth so as to be fixed to the pair of tapes, wherein if one portion of the slide is inserted into the insertion groove of the blocking unit by moving the slide, the teeth are engaged and a space between the slide and the blocking unit is blocked, thereby preventing foreign material or harmful insects from entering the space between the teeth and between the slide and the blocking unit. Accordingly, the propagation of harmful insects is blocked by preventing the inflow of harmful insects. | 05-29-2014 |