Method of making a filter

Details Method of making a filter Method of making a filter

1976-09-10

1977-11-08

Whitby, Edward G.

Metal working

Method of mechanical manufacture

Assembling or joining

29511, 55514, 156 69, 156196, 156293, 210493R, 220 81R, B65B 700

Patent

active

040568768

ABSTRACT:
A filter element is fitted into a filter can and a mass of hot-melt adhesive between the filter element and the can is thermally activated and allowed to cure to hold this filter element in place. A bead of hot-melt adhesive is applied to the rim of the can and the edge of a cover is applied over this bead which may be heated to its softening range. Thereafter the rim of the can is bent over the edge of the cover and this bent-over rim is heated to the melting point of the hot-melt adhesive so as to secure the two together once the hot-melt adhesive has cured.

REFERENCES:
patent: 2313750 (1943-03-01), Hothersall
patent: 2979224 (1961-04-01), Henchert
patent: 3392843 (1968-07-01), Mumby
patent: 3441293 (1969-04-01), Babnvio
patent: 3540394 (1970-11-01), Ibnell
patent: 3652362 (1972-03-01), Odabiri
patent: 3712033 (1973-01-01), Gronholz
patent: 3752321 (1973-08-01), McLaren

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