Tray sealing machine

A tray sealing machine comprising:

• a frame;
• a sealing tool arranged on the frame, the sealing tool comprising:
• a lower tool in which a tray to be sealed can be received;
• an upper tool which comprises a hood and a sealing component arranged in an interior of the hood, wherein the hood is movable relative to the sealing component and has a gas connection which is configured for a connection to a corresponding gas connection of the tray sealing machine, wherein the upper tool furthermore comprises a sealing component carrier on which the sealing component is arranged;
• wherein the lower tool and the hood are configured to form a sealing chamber in a closed state of the sealing tool;
• a line, which, in the closed state of the sealing tool, connects the gas connection to the sealing chamber, the line including a first line section and a second line section, wherein the first line section runs through the lower tool and, in the closed state of the sealing tool, is connected to the second line section, which leads to the gas connection, at least partially runs through the hood, and is connected to the hood in an unmovable manner;
• wherein the hood is movable relative to the frame and the sealing component carrier is unmovable relative to the frame.