VALVE FOR LIQUID VESSELS

• Main Authors: SCHEIWILLER, FELIX, ZUEND, MARCO, ERB, MARKUS
• Format: Patent
• Language: English
• Published: 30.09.2013
• Subjects: ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; BLASTING; 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; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HANDLING THIN OR FILAMENTARY MATERIAL; HEATING; JOINTS OR FITTINGS FOR PIPES; LIGHTING; MEANS FOR THERMAL INSULATION IN GENERAL; MECHANICAL ENGINEERING; PACKAGES; PACKAGING ELEMENTS; PACKING; PERFORMING OPERATIONS; PIPES; STORING; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; THERMAL INSULATION IN GENERAL; TRANSPORTING; WEAPONS

A valve (1) for opening and closing a liquid vessel or pouch (24), comprising: A) a valve body (2) having a central axis (6), having a top side (3) arranged transversely with respect to the central axis (6), having a bottom side (4) likewise arranged transversely with respect to the central axis (6) and having a passage opening (5) which extends through the valve body (2) coaxially from the top side (3) to the bottom side (4); and B) a closure element (7) having a front end (11) which is directed toward the passage opening (5) and having an axially opposite rear end (12), which closure element can be pressed into the passage opening (5) coaxially with respect to the central axis (6) proceeding from the underside (4) such that the passage opening (5) can be closed in a liquid-tight manner by the closure element (7), wherein C) the closure element (7) can be pressed into the passage opening (5) by means of a spring element (10); and D) the closure element (7) comprises, on the front end (11), a first sealing lip (8) which can be pressed into the passage opening (5) with an interference fit P1 and, axially behind said first sealing lip, a second sealing lip (15) which can be pressed into the passage opening (5) with an interference fit P2, wherein P2 is a more intense interference fit than P1.