A self supported fluid filter

A self supported fluid filter

A self-supported cylindrical corrugated filter (30) having arcuate side walls (34, 36) having overlapping folded flaps which are non-adhesively joined i.e. by ultrasonic welding to provide a self-supported filter and a method of preparing the self-supported cylindrical corrugated air filter by using...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: SOLBERG CHARLES H. JR.,ANDERSON ADAM
Format: Patent
Sprache:eng
Schlagworte:
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
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Beschreibung
Zusammenfassung:A self-supported cylindrical corrugated filter (30) having arcuate side walls (34, 36) having overlapping folded flaps which are non-adhesively joined i.e. by ultrasonic welding to provide a self-supported filter and a method of preparing the self-supported cylindrical corrugated air filter by using an ultrasonically weldable air filter blank that is corrugated to form a substantially cylindrical air filter (30) having two arcuate side walls (34, 36) with a plurality of open corrugation ends, folding the open corrugation ends to provide overlapping side wall flaps, and ultrasonically welding the overlapping side wall flaps to provide the self-supported cylindrical corrugated air filter and to provide the ultrasonically weldable air filter blank that can be corrugated.