Manufacturing container or tube from paper; or other manufacturi – Bending – Folding
Patent
1991-09-19
1992-10-06
Terrell, William E.
Manufacturing container or tube from paper; or other manufacturi
Bending
Folding
493439, B65H 4508, B65H 4522
Patent
active
051527383
ABSTRACT:
The adjustable film folding tooling assembly includes a frame assembly supporting a pair of shoe assemblies. The shoe assemblies are horizontally adjustable with respect to the frame assembly to accommodate varying widths of flexible film to be folded. Each shoe assembly includes an internal shoe and an external shoe. The internal shoes are configured in a defined geometry to provide two or three turning edges depending on whether single or double folding of flexible film material is desired. The pair of external shoes include features to permit angular adjustment with respect to a longitudinal axis of the tooling assembly as well as extension and retraction thereof to accommodate loose or baggy film material as well as positioning of the overlap of film after folding. The internal and external shoes of the adjustable film folding tooling assembly have a defined geometry which facilitates production and manufacture of the tooling assembly without costly empirical research or modeling. The internal and external shoes also include removably attachable inserts which are configured to minimize contact between flexible film material passing through the tooling assembly and various tool components.
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McDonald Alan T.
Reynolds Metals Company
Terrell William E.
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