Ribbed tick with insulating filler
AssigneeNordish Fjerfabrik Aktieselskab
InventorSigurd S. Hansen
Life of this patent
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Abstract
A ribbed tick comprising a top sheet and a bottom sheet connected at their edges and at least one ribbon-shaped partition wall connected to the inner sides of the top and bottom sheets by welded seams extending along the longitudinal edges of the partition wall. A method of preparing a ribbed tick comprising the steps of placing a ribbon having tapes of a thermoplastic film material located at its longitudinal edges between a top sheet and a bottom sheet material, heating the tapes to melt the thermoplastic film material and to bond the ribbon to the top and bottom sheet materials and connecting the top and bottom sheet materials to form a ribbed tick having ducts for a stuffing material.
Claims3
A ribbed tick adapted to be filled with a flexible insulating filler to form a pillow, quilt, feather bed or eiderdown comprising a top and a bottom sheet of textile material, the top and bottom sheets being connected at their edges, and a single intermediate sheet interposed between the top and the bottom sheet, the intermediate sheet being alternatingly connected to the inner surfaces of both the top and bottom sheets by a plurality of seams formed from layers of thermoplastic material, the seams between the intermediate sheet and the top sheet being parallel to and offset from the seams between the intermediate sheet and the bottom sheet so as to form a plurality of channels for containing said flexible insulating filler.
Dependencies are inferred from the claim text.