Raymond Henry Davis

US Patent:

41214048, Oct 24, 1978

Filed:

Jan 18, 1978

Appl. No.:

5/870461

Inventors:

Raymond A. Davis - Belmont CA

International Classification:

B65B 728

US Classification:

53329

Abstract:

A machine to cover filled, preformed trays of a wide variety of shapes or sizes with foil or other material which will remain folded, from rollstock. The machine is simple, with few change parts, rapidly changed. To be truly rotary enabling high speeds. To have the cover stock continuously feeding trays travelling as close together as the overlying foil will permit, the trays travelling horizontally with no sideways movement. The foil to be folded down and under in one continuous movement exactly to the outside shape of the tray's lip, with no distortion of the foil atop the tray and with the foil so well crimped that there is no possibility of liquid leakage. The machine to be either equipped with its own conveyor, or capable of being placed over an existing conveyor.