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专利名称：Method of manufacturing overshoes发明人：Robert Weber申请号：US07/137724申请日：19871224公开号：US04847934A公开日：190718
摘要：A method of manufacturing overshoes made from an elongated rectangularflexible sheet of material. The method comprises the following steps: (a) gathering thesheet material by parallel stitching two elastic strips on the opposite side edge portionsrespectively of the sheet; (b) folding the sheet in two along its longitudinal center line, soas to bring the two gathered side edge portions in respective abutting register; (c) withan ultrasonic press, weakening narrow sections of the sheet transversely to the axis ofthe longitudinal center line, at regular intervals, and concurrently cross-bonding thesheet along both edge portions defined by each one of the weakened narrow sections ofthe sheet; and (d) detaching the desired segment of sheet of material along the line ofbonding, for any one overshoe. Also, the products obtained by the above-describedmethod.
申请人：WEBER; ROBERT
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