Floatable sheet material and method of making

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

B - Operations, Transporting

32

B

135/0.1, 154/72.

B32B 3/12 (2006.01) B29C 51/22 (2006.01) B32B 3/28 (2006.01) E04H 4/10 (2006.01)

Patent

CA 1222683

ABSTRACT OF THE DISCLOSURE 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 emboss- ments 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 longi- tudinal 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.

494317

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