Plastic film feeding machine, as used in agriculture

Details Plastic film feeding machine, as used in agriculture Plastic film feeding machine, as used in agriculture

1988-02-10

1989-12-26

Hafer, Robert A.

Plant husbandry

Mulching

111200, A01G 700

Patent

active

048889130

ABSTRACT:
A machine for laying plastic film on a substrate which comprises supporting rollers (32 to 37) on which drum (16) is placed. One of the chassis wheels (6, 8) drives the drum through a transmission system (40) including a mechanical variable speed drive (60) enabling the transmission ratio between the traction wheel and the drum drive rollers to be varied. It is thereby possible to limit the tension forces exerted on the film when laying the film, making it possible to adapt the film to an uneven substrate, such as furrows or ridges on the ground in agricultural uses.

REFERENCES:
patent: 4771570 (1988-09-01), Nyboer

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