Apparatus and method for folding film edges
AssigneeParagon Films, Inc.
InventorsShaun Eugene Pirtle, Khurrum Shamsi, Robert Earl Cochlin
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Abstract
Pre-stretched films may be used to increase the rate at which loads can be wrapped and to minimize the exertion required when using traditional handheld film. However, the edges of pre-stretched films are easily damaged, which may result in tearing or failure of the film during use. The present disclosure describes devices, systems, and methods for folding the edges of the film, resulting in a film that is less susceptible to damage and easier to use.
Claims16
An apparatus for producing folded edges in a film in-process, the apparatus comprising:
- a first idler roll;
- a second idler roll separated from the first idler roll by a first distance;
- and
- a plurality of folding guides that are positioned between the first idler roll and the second idler roll, wherein each folding guide separates adjacent sections of film and induces two folds by causing an edge of each section of film to turn under 180° and spontaneously cling to a bottom surface of the film as the film travels from the folding guides to the second idler roll.
An apparatus for producing folded edges in a film in-process, the apparatus comprising:
- a first idler roll;
- a second idler roll separated from the first idler roll by a first distance;
- and
- means for separating adjacent sections of film and inducing two folds by causing an edge of each section of film to turn under 180° and spontaneously cling to a bottom surface of the film, said means positioned between the first idler roll and the second idler roll.
Dependencies are inferred from the claim text.