The present invention relates to a vacuum container in which a periphery of an inner container, a periphery of a film container, and an inner container cover are bonded through ultrasonic wave fusion and a method of manufacturing the same.

A method for making a container having a thermoformable film which adheres to an outer skeleton, is provided. The method includes a heating step in which the thermoformable film is heated; a thermoforming step in which the thermoformable film is thermoformed on the inner surface; an inserting step in which a pressing element is inserted in the compartment, pressing the thermoformable film with it against the bottom wall to make the thermoformable film adhere to the bottom wall or to improve its adherence. The apparatus includes comprises a thermoforming device for thermoforming the thermoformable film on the inner surface of the outer skeleton and a pressing device which comprises having a supporting element and the pressing element.