Apparatus for lining cartons

Claims

5. The apparatus of claim 1 including mold recesses formed within said conveyor to allow vacuum to be pulled through the sides as well as the bottom of said tray..Iadd. 6. Apparatus adapted to line a tray having a bottom wall and side walls made from foldable paperboard or similar sheet-like material with a continuous strip of thermoplastic film, comprising:

conveyor means for holding a plurality of said trays;

means for driving said conveyor to advance said trays;

means for dispensing a continuous strip of said thermoplastic film into position above said trays;

means for deforming that portion of the film directly above said tray into contiguous conforming relationship with the inside surfaces of said tray; and

means for separating said tray and contiguous conforming portion of said film from film positioned between adjacent trays and not in contact therewith..Iaddend..Iadd. 7. The apparatus of claim 6 wherein said deforming means includes means for creating a vacuum to pull down that portion of said film which is above said tray..Iaddend..Iadd. 8. The apparatus of claim 6 including means for heating said thermoplastic film before it is deformed by said deforming means..Iaddend..Iadd. 9. The apparatus of claim 7 including mold recesses formed within said conveyor to allow vacuum to be pulled through the sides as well as the bottom of said tray..Iaddend..Iadd. 10. The apparatus of claim 8 wherein said means for dispensing film comprises extrusion means for extruding a continuous strip of thermoplastic film..Iaddend.