Method of making a filter bag assembly

Details Method of making a filter bag assembly Method of making a filter bag assembly

1984-03-08

1985-10-08

Dawson, Robert A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

1122622, 112441, 156218, 1563084, 210348, 210471, 21049701, B32B 3116, B32B 708

Patent

active

045458332

ABSTRACT:
A filter bag assembly includes a filter media fabricated from synthetic materials, has a heat sealed edge forming a cylinder, with one end of the cylinder being heat sealed (welded) to form a closed container. The other cylinder end is folded over a relatively rigid ring member and is sewn (stitched) in a manner to affix the ring member to the filter media thereby maintaining the integrity of the media's micron rating.

REFERENCES:
patent: 3544404 (1970-12-01), Johnson et al.
patent: 4052319 (1977-10-01), Friedman
patent: 4274896 (1981-06-01), Bosse
patent: 4390425 (1983-06-01), Tafara et al.
patent: 4490253 (1984-12-01), Tafara

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