Frederick A Donisi

US Patent:

43877494, Jun 14, 1983

Filed:

Sep 8, 1981

Appl. No.:

6/300038

Inventors:

Frederick A. Donisi - Trenton OH

Assignee:

Champion International Corporation - Stamford CT

International Classification:

B65B 104

US Classification:

141 68

Abstract:

A filler sleeve is disclosed for use in conjunction with a bag adapted to contain a powder, fibrous, flake or granular product. More specifically, a filler sleeve is disclosed comprised of an elongated tubular member which is connected to the top end of the bag. The tubular member includes an open end which is contiguous with a filler opening provided in the top end of the bag. The opposed end of the tubular member is heat sealed or locked by folding. A longitudinally extending slit is provided in the tubular member disposed on the bottom surface thereof. In use, when the bag is filled by introducing the product by air flow or by gravity, through a filler nozzle which is inserted into the filler opening and into the tubular member, the product is deflected downwardly into the bag thereby inhibiting the likelihood of blowout of the side panels. Preferably, the tubular member is formed from a stretchable material such as polyethylene, so that during the filling of the bag the flow of the product stretches the material. By this arrangement, when the filling is completed, and the bag is inverted, the side edges of the slit, which have been stretched, overlap and the weight of the product functions to maintain the overlapping relationship thereby preventing the unwanted escape of the product from the bag.