Abstract: An apparatus and method for evacuating and sealing a bag made of a sealable material and containing a comminuted product. The bag is positioned with its open upper end around a sleeve through which a hollow probe can be extended. A pair of upper jaw members close to form an outer temporary seal above an intermediate region of the bag above the level of the surface of the charge in the bag where a permanent seal is to be formed. A pair of lower jaws members close to form an inner temporary seal about a lower region of the bag above the surface of the charge. With the probe extended through the sleeve into the bag, the bag is evacuated through the probe. After evacuation is completed and after withdrawal of the hollow probe, a pair of sealing members close against the intermediate region of the bag in order to form a permanent seal for the bag.

Abstract: An apparatus and method are disclosed for evacuating and sealing a bag (133) made of a sealable material and containing a charge (134) of a comminuted or other flowable product, such as roasted and ground coffee. The bag (133) is positioned with its open upper end around a sleeve (12) through which a hollow probe (14) can be extended. A pair of upper jaw members (UJ) close to form an outer temporary seal about an upper region of the bag above an intermediate region of the bag which is also above the level of the surface of the charge (134) in the bag (133) where a permanent seal is to be formed. A pair of lower jaw members (LJ) close to form an inner temporary seal about a lower region of the bag below the upper and intermediate regions and above the surface of the charge (134) in the bag (133). With the probe (14) extended through the sleeve (12) into the bag (133), the bag (133) is evacuated through the probe (14).

Abstract: An apparatus and method for evacuating and sealing a bag made of a sealable material and containing a comminuted product. The bag is positioned with its open upper end around a sleeve through which a hollow probe can be extended. A pair of upper jaw members close to form an outer temporary seal above an intermediate region of the bag above the level of the surface of the charge in the bag where a permanent seal is to be formed. A pair of lower jaws members close to form an inner temporary seal about a lower region of the bag above the surface of the charge. With the probe extended through the sleeve into the bag, the bag is evacuated through the probe. After evacuation is completed and after withdrawal of the hollow probe, a pair of sealing members close against the intermediate region of the bag in order to form a permanent seal for the bag.

Abstract: An apparatus and method for evacuating and sealing a bag (133) made of a sealable material and containing a charge (134) of a comminuted or other flowable product, such as roasted and ground coffee. The bag (133) is positioned with its open upper end around a sleeve (12) through which a hollow probe (14) can be extended. A pair of upper jaw members (UJ) close to form an outer temporary seal about an upper region of the bag above an intermediate region of the bag which is also above the level of the surface of the charge (134) in the bag (133) where a permanent seal is to be formed. A pair of lower jaws members (LJ) close to form an inner temporary seal about a lower region of the bag below the upper and intermediate regions and above the surface of the charge (134) in the bag (133). With the probe (14) extended through the sleeve (12) into the bag (133), the bag (133) is evacuated through the probe (14).

Abstract: A variable capacity reservoir for cigarettes or similar rod-like articles comprises a pair of fixed upwardly extending helical guides located above the normal plane of conveyance of a laterally-flexible mass flow conveyor, and a drive carriage carrying wheels engageable with the conveyor and rotatable about the axis of the helical guides so as to reversibly deflect a variable length of conveyor around said guides. As the conveyor is advanced into or retracted from the helical guides, it is correspondingly transferred from or to a store arranged below the guides.