Apparatus for making a filter from a material for a filter eleme

Details Apparatus for making a filter from a material for a filter eleme Apparatus for making a filter from a material for a filter eleme

1987-04-21

1988-05-31

Massie, Jerome

Manufacturing container or tube from paper; or other manufacturi

Bending

Folding

156207, 156218, 156474, 21050023, 425369, 425392, 425444, 493463, 493464, 493941, B31F 134

Patent

active

047478160

ABSTRACT:
An apparatus performing a filter from a material for a filter element automatically and quickly. The filter made by the present apparatus has a plurality of wavy portions which are provided in such a manner that a plurality of wavy portions forms a circle.
The apparatus employs a contracting apparatus for contracting a continuously corrugated strip of material for a filter element in such a manner that a distance between adjacent ridges of the corrugated strip is reduced so that the corrugated strip becomes the wavy portion of the filter. The apparatus also employs a rounding apparatus for rounding the continuously corrugated strip in such a manner that both ends of the strip are connected to each other so that the wavy portions made from the corrugated strip form a circle. The apparatus further employs a shaping apparatus for shaping the rounded continuously corrugated strip so that the rounded strip becomes the filter.

REFERENCES:
patent: 2084362 (1937-06-01), Visscher et al.
patent: 2685827 (1954-08-01), Mason
patent: 2685828 (1954-08-01), Mason et al.
patent: 2761490 (1956-09-01), Walton
patent: 3948712 (1976-04-01), Stannard
patent: 4252591 (1981-02-01), Rosenberg

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