초록 ▼

A device and method are described for creating a vacuum in bags (20), particularly those for holding food products, in which the device comprises an outer tube (10) that is inserted into the bag (20) from above and an inner tube (11) that can slide axially inside the tube (10) to move from a retract

A device and method are described for creating a vacuum in bags (20), particularly those for holding food products, in which the device comprises an outer tube (10) that is inserted into the bag (20) from above and an inner tube (11) that can slide axially inside the tube (10) to move from a retracted position in which it is completely housed inside the tube (10) to an extended position in which it protrudes downwards from the robe. The inner tube (11) takes up a position protruding from the tube (10) during creation of the vacuum in the bag (20) and a retracted position inside the tube (10) to allow sealing of the bag (20) by means of a pair of sealing bars (32).

대표청구항 ▼

[ What is claimed is:] [4.] A method of creating a vacuum in a bag, comprising the steps of:placing a bag having an open top under a first suction tube,extending said first suction tube into the bag through the open top,clamping the top of the bag around the first suction tube to form a temporary se

[ What is claimed is:] [4.] A method of creating a vacuum in a bag, comprising the steps of:placing a bag having an open top under a first suction tube,extending said first suction tube into the bag through the open top,clamping the top of the bag around the first suction tube to form a temporary seal,extending a second tube axially from an end of the first tube further into the bag,activating suction means to remove air from the bag through the first and second tubes to create a vacuum in the bag,retracting the second tube into the first tube after a vacuum has been created in the bag,sealing said bag at a location beneath a maximum entry position of said first tube and below the clamped portion of the bag, and,after sealing the bag, releasing the clamped portion of the bag.