Patent ID: 11858710

Abstract:
A spouted pouch has a spout (10) having an exterior surface provided with a first screw thread (21). The spout body is provided with a rotation preventing boss (25, 26). A closure device (40) secured on the neck and comprises: —a socket (50; 150) configured to the screwed onto the neck (12) of the spout (10), —a user openable or user removable cap (70; 170) supported on the socket in a manner so as to be openable or removable relative to the socket (50; 150). The socket has a bore (52) with a second screw thread (56) that cooperates with the first screw thread upon screwing the socket onto the neck. An upper section of the exterior surface of the socket body defines a discharge portion (53). At a lower end the socket body is provided with a permanent snap lock anti-back off structure (60) comprising a portion (61, 63; 161, 162) that is configured to flex over the rotation preventing boss (25, 26) upon screwing of the socket onto the neck and then snap behind said boss. This structure is configured to remain intact upon a user opening or removing the cap for the first time. The cap (70; 170), in a closed position thereof, covers the discharge portion (53) and in an opened or removed position clears the discharge portion (53).