Laying down of large sheets of film

Details Laying down of large sheets of film Laying down of large sheets of film

1977-02-25

1977-09-27

Whitby, Edward G.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

47 28R, 47DIG11, 156306, 156544, 156583, 242 55, 242 8652, 273 27, B32B 3108

Patent

active

040509729

ABSTRACT:
A long plastic film roll is manufactured in situ for covering an agricultural, athletic or other field. A plurality of short plastic film rolls are supported on drivable rollers, which in turn are mounted on a plurality of spaced trucks extending along the width of the field. The axes of the film rolls are parallel, but alternate rolls are staggered with every other roll being disposed either forwardly or rearwardly of the adjacent rolls. The roll ends overlap and, as the trucks move longitudinally down the field to lay down the film, the overlapping edges of the film are sealingly joined together as they leave their respective rolls and just before being laid down.

REFERENCES:
patent: 3473755 (1969-10-01), Brown
patent: 3559914 (1971-02-01), Alderman

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