VALVE ELEMENT

The valve element includes a base layer having an aperture disposed there -through and a flexible top layer overlaying and joined to the base layer so as to cover the aperture. The base layer and top layer are further joined s o as to provide an expandable and collapsible channel between the apertur...

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Bibliographische Detailangaben
1. Verfasser:	NELTNER, ANDREW E
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR ACTUATING-FLOATS BLASTING COCKS CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS CONVEYING DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HANDLING THIN OR FILAMENTARY MATERIAL HEATING LIGHTING MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGINGARTICLES OR MATERIALS MECHANICAL ENGINEERING PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS STORING TAPS THERMAL INSULATION IN GENERAL TRANSPORTING UNPACKING VALVES WEAPONS
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