Filter-bags for medicinal and aromatic infusions, method and app

Details Filter-bags for medicinal and aromatic infusions, method and app Filter-bags for medicinal and aromatic infusions, method and app

1985-04-19

1986-09-02

Weinstein, Steven

Food or edible material: processes, compositions, and products

Processes

Packaging or treatment of packaged product

426 82, 426410, 53134, 53413, 53202, 53555, 206 5, B65D 3310, B65D 3314, B65B 2904

Patent

active

046095560

ABSTRACT:
A filter-bag (1) for medicinal or aromatic infusions is provided with an exterior pocket (9) adapted to receive a tea or coffee spoon, thus permitting to maintain the filter-bag in the bottom of a cup (cf. FIGS. 2, 3 and 4).
A method for manufacturing a filter-bag according to the invention comprises sandwiching between two continuously traveling filterpaper webs heaps of plant-based product placed onto one of said webs, and partially welding an exterior paper web of reduced width onto one of said filterpaper webs, in welding said filter-bags shut and cutting them to smaller units.
Apparatus for manufacturing a filter-bag according to the invention substantially comprises two main spools (37, 38) continuously feeding two filterpaper webs (43, 55), a metering device (47, 46, 44, 45) for dispensing plant-based product, an additional spool (56) continuously feeding a paper web (57) of smaller width than said first or second paper webs and being attached onto one of the latter, a welding device (49, 50) and a cutting device (59, 60, 61, 62, 63, 64) (cf. FIGS. 9, 10, 11).

REFERENCES:
patent: 2208951 (1940-07-01), Tamassy
patent: 2291702 (1942-08-01), Downes
patent: 2377118 (1945-05-01), Weisman
patent: 2381091 (1945-08-01), Weisman
patent: 2861403 (1958-11-01), Weisman
patent: 3257212 (1966-06-01), Kasket

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