Method of making floatable sheet material

Details Method of making floatable sheet material Method of making floatable sheet material

1986-12-04

1987-10-06

Czaja, Donald E.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156292, 1563084, 156324, 4498, 5455, B32B 3100, B32B 3106, B32B 3108, B32B 3120

Patent

active

046981098

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
patent: 2870455 (1959-01-01), Reeves
patent: 4028750 (1977-06-01), Gustafsson
patent: 4658452 (1987-04-01), Brockhaus

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