Floatable sheet material and method of making

Details Floatable sheet material and method of making Floatable sheet material and method of making

1984-05-03

1986-12-16

Swisher, Nancy A. B.

Baths, closets, sinks, and spittoons

Pool type

Accessory

428 88, 428192, 428193, 428178, 428172, E04H 316, E04H 318, F16L 2202

Patent

active

046285490

ABSTRACT:
A floatable on water, translucent laminated plastic sheet material having a plastic embossed film with a plurality of embossments dispersed thereon except at the longitudinal edges thereof. The embossments are spaced apart and separated by land areas and a plastic backing film is laminated to the embossed film at the said longitudinal edges and at the land areas. Thus air containing buoyant cells are formed by the embossments of the embossed film and the backing film. The improvement comprise a fibrous material laminated to the sheet material at least at the longitudinal edges thereof, whereby the edges are reinforced by the fibrous material and the edges may be attached to correspondingly reinforced edges of another of the sheet material without substantially weakening the attached sheets of material at the attachments thereof.

REFERENCES:
patent: 2870454 (1959-01-01), Schippert et al.
patent: 3987592 (1976-10-01), Herminghaus et al.
patent: 4028750 (1977-06-01), Gustafsson
patent: 4056858 (1977-11-01), Weber
patent: 4192025 (1980-03-01), Hinsperger
patent: 4379351 (1983-04-01), Hinsperger

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