| 摘要 |
A fitted sheet for covering a standard crib or bed mattress. The fitted sheet is developed from a single rectangular blank of non-woven fabric material, the sides of which are folded in along parallel longitudinal fold lines to form a folded-in sheet whose width corresponds to that of the mattress for which it is intended and whose length exceeds that of the mattress to an extent necessary to define the ends of the fitted sheet. Each corner of the folded-in sheet is seamed along a diagonal line to form a triangular flap which when the sides of the folded-in sheet are folded over the sides of the mattress, then defines a right angle corner that fits against the corresponding corner of the mattress. Each end of the fitted sheet is rendered stretchable by an elastic strip whereby the fitted sheet conforms snugly to the mattress.
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