Device for severing and feeding flaccid wrapping sheets

Details Device for severing and feeding flaccid wrapping sheets Device for severing and feeding flaccid wrapping sheets

1974-12-02

1976-07-06

Spruill, Robert L.

Severing by tearing or breaking

Breaking or tearing apparatus

Combined with preliminary weakener or with nonbreaking cutter

53389, 225100, B26F 302, B65H 3510

Patent

active

039677672

ABSTRACT:
A device for feeding wrapping material of flaccid type for use in a wrapping machine. Initially an elongate strip of the flaccid material is moved forward, and is only partly transversely cut to define sheets which can thereafter be torn from the strip. The sheets are left under control, as to their exact positions, until they are taken by the wrapping mechanism, along with the product to be wrapped. For this purpose the partly cut strip of flaccid wrapping material is guided and moved forward by rolls and guides which impress longitudinal strengthening ribs in the material. The strip is then engaged by sheet tearing and flattening rolls which have aligned, cylindrical surface portions rotating at a speed greater than that of the moving strip itself to detach successive sheets from the partly cut strip and to control each detached sheet as to its position until it is engaged with the product to be wrapped in it.

REFERENCES:
patent: 2191497 (1940-02-01), Potdevin et al.
patent: 2247069 (1941-06-01), Sargent et al.
patent: 2279843 (1942-04-01), Smith et al.
patent: 3841057 (1974-10-01), Engeler

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