Mobile film wrapping apparatus

Details Mobile film wrapping apparatus Mobile film wrapping apparatus

1985-04-25

1986-10-14

Sipos, John

Package making

Apparatus for contraction of cover by stretching or shrinking

53588, 219469, B65B 1310

Patent

active

046164740

ABSTRACT:
Mobile film wrapping apparatus for unitizing a load is attached to a self propelled vehicle and powered by the vehicle's D.C. power supply. The film wrapping apparatus includes a supporting structure for holding a supply roll of film in a generally vertical orientation. The speed at which the film is dispensed from the supply roll is controlled by an electrically powered adjustable tension brake. The film is wound around a self contained heated roller which facilitates prestretching of the film prior to wrapping. The heated roller contains a supply of heating fluid, a D.C. heating element, a thermostatic switch and an auxiliary rapid heat-up A.C. heating element. Power is provided to the heated roller via a slip ring assembly.

REFERENCES:
patent: 2547835 (1951-04-01), Pfeiffer
patent: 2597041 (1952-05-01), Stokes
patent: 2701765 (1955-02-01), Codichini
patent: 2834860 (1958-05-01), Gaiborne
patent: 3239652 (1966-03-01), Price
patent: 3619539 (1971-11-01), Taylor
patent: 3796785 (1974-03-01), Rest
patent: 4051643 (1977-10-01), Saito
patent: 4067174 (1978-01-01), Goldstein
patent: 4095395 (1978-06-01), Goldstein
patent: 4465450 (1984-08-01), Dermansky
Material Handling Engineering, Jan. 1983, pp. 70-72, PS&D Brochure.
"Heated Roller Modification Cuts Stretch Wrap Costs", Package Engineering, Nov. 1982.

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