A sealing device for a receptacle such as a heavy cloth bank bag for containing money or currency in which a single strip or band of material formed of metal or plastic is stamped with projections or serrations extending from one side of the band and wherein a pair of locking projections in the form...http://www.google.fr/patents/US4223424?utm_source=gb-gplus-shareBrevet US4223424 - Bank bag sealer