LAMINATE PRODUCT, PULSE JET FILTER BAG, AND METHODS FOR MANUFACTURING

A laminate product is provided. The laminate product includes a first layer of porous expanded polytetrafluoroethylene membrane, and a second layer of woven fabric of polytetrafluoroethylene containing yarn. The membrane preferably has an air permeability of at least 0.01 cfm/ft2 at 0.5 inch water g...

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Bibliographische Detailangaben
1. Verfasser:	GRIFFIN, JAMES, W
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TRANSPORTING
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Beschreibung
Zusammenfassung:	A laminate product is provided. The laminate product includes a first layer of porous expanded polytetrafluoroethylene membrane, and a second layer of woven fabric of polytetrafluoroethylene containing yarn. The membrane preferably has an air permeability of at least 0.01 cfm/ft2 at 0.5 inch water gauge, and a thickness of greater than about 0.5 mil. The woven fabric preferably has a weight of between about 15 ospy and about 30 ospy. The laminate product can be sewn to provide a filter bag for use in pulse jet filter applications.