Patent ID: 9481560
Filing Date: 2016-11-01
CPC Classification: B05B,B65D,B67D

Claim Text:
1. A device ( 1 ) for the metered dispensing of a fluid from a tubular bag ( 2 ), characterized in that the device ( 1 ) is a metering pump ( 3 ), a suction side of which is provided with a first connection piece ( 33 ) comprising external thread ( 36 ), an end of which is provided with at least one opening means ( 34 ), and wherein the first connection piece ( 33 ) is connected in a threaded manner in a second connection piece ( 4 ) comprising internal thread and a flange, which is welded to the tubular bag, such that the first connection piece ( 33 ) cuts open the tubular bag ( 2 ) by the metering pump ( 3 ) being twisted relative to the second connection piece ( 4 ), wherein securing means ( 5 ) ensure that a correct position of the first connection piece ( 33 ) relative to the second connection piece ( 4 ) is maintained before first use, and wherein the securing means ( 5 ) are formed by a protrusion ( 54 ) in an entry area of the external thread of the first connection piece and a detent recess ( 55 ) on the internal thread ( 44 ) of the second connection piece ( 4 ), so that the cutting and/or perforating teeth ( 35 ) are situated completely within the second connection piece ( 4 ) before the first use of the opening means ( 34 ).