A dust mop provided with a mop head frame which has means for attachment of the frame to a mop handle. A frame cover is mounted around about the mop head frame for encasing the same. A mop head is provided which includes a mop element on the lower side thereof and a fiber cloth backing material on the...http://www.google.es/patents/US3991432?utm_source=gb-gplus-sharePatente US3991432 - Dust mop with peel-off mop head
