公开(公告)号：US20220192162A1

公开(公告)日：2022-06-23

申请号：US17149002

申请日：2021-01-14

申请人： MMC First Process AS

发明人： Leif Roger GJELSETH ,  Børre Haanes WAAGAN ,  Sivert Audun Reite BLINDHEIM

IPC分类号： A01K63/00

摘要： A screen for a fluid tank, the screen comprising: at least one expandable screen section configured to be positioned on a fluid tank to permit movement of the at least one expandable screen section relative thereto, wherein the at least one expandable screen section is configurable between an expanded state and a contracted state. There is also provided a tank having a screen arranged vertically movable therein and a method for moving aquatic animals out of a tank, the method comprising: arranging the at least one expandable screen section in or on the tank in the contracted state; bringing the at least one expandable screen section to the expanded state; and moving the screen relative to the tank to crowd the animals towards an outlet in the tank.