Automatic machine for the continuous production of dual-use filt

Details Automatic machine for the continuous production of dual-use filt Automatic machine for the continuous production of dual-use filt

1988-02-10

1989-05-16

Wityshyn, Michael

Package making

With cover-adjunct application or formation

Adjunct comprising graspable appendage, e.g., handle

53234, 53117, 53171, 53540, 53550, 156436, 156466, 156510, 156553, 156568, B65B 906, B65B 2904

Patent

active

048297429

ABSTRACT:
An automatic machine for the continuous production of dual-use filter sachets for infusion products, the filter sachets being in the form of bags or pouches containing successive portions of the products. Along the production line there are a succession of devices designed to effect step by step the longitudinal folding and sealing of a strip of filter paper forming therefrom a horizontally extending flattened tube and for the transverse thermal welding of the tube in a manner such as to enclose said individual dosed fractions. A rotary wheel has pickup elements for applying to the flattened tube equidistantly spaced labels, a longitudinally continuous thread transversely contacting the labels, as well as stickers or tabs weldable by alternate transverse thermal welding partly to the back of the labels. The tube is then sectioned into portions comprising at least two bags and the bags are set back to back and sealed together at their extremities.

REFERENCES:
patent: 2226181 (1940-12-01), Ridderstrom
patent: 2919990 (1960-01-01), Podlesak et al.
patent: 3566573 (1971-03-01), Irmscher
patent: 4021993 (1977-05-01), Widmer
patent: 4272944 (1981-06-01), Suga
patent: 4663915 (1987-05-01), Van Erden et al.
patent: 4689100 (1987-08-01), Coleman

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