The invention concerns an installation for the temperature treatment of products placed on pallets or similar, including at least one chamber, means for the introduction of a pallet, means for conveyance of the pallet between an entrance and an exit, and means for blowing air through the products on
The invention concerns an installation for the temperature treatment of products placed on pallets or similar, including at least one chamber, means for the introduction of a pallet, means for conveyance of the pallet between an entrance and an exit, and means for blowing air through the products on a pallet. It is characterized in that the installation also includes raisable, longitudinal separation means, placed substantially on the main axis of the said at least one chamber, which are used to prevent the passage of air between the top surface of each pallet present in the chamber and the ceiling of the said at least one chamber.
대표청구항▼
1. An installation for the temperature treatment of products placed on pallets or similar, including at least one chamber, means for the introduction of a pallet, and means for conveyance of the pallet between an entrance and an exit along a main axis of the said at least one chamber, and means for
1. An installation for the temperature treatment of products placed on pallets or similar, including at least one chamber, means for the introduction of a pallet, and means for conveyance of the pallet between an entrance and an exit along a main axis of the said at least one chamber, and means for blowing air through the products on a pallet, wherein the installation also includes raisable longitudinal separation means, placed substantially on the main axis of the said at least one chamber, and used to prevent the passage of air between the top surface of each pallet present in the chamber and the ceiling of the said at least one chamber, and wherein said raisable longitudinal separation means include at least one sealing canvas linked to raisable articulated arms that are arranged substantially along the main axis and that are independent of one another in such a manner to allow compensation for level differences of the pallets and include a rotatable member connected to the raisable articulated arms for moving the raisable articulated arms up and down. 2. The treatment installation according to claim 1, in which the raisable longitudinal separation means include movement means used for raising or positioning of said at least one sealing canvas linked to said raisable articulated arms so as to provide the seal, and the movement means includes the rotatable member. 3. The temperature treatment installation according to claim 2, in which the movement means include a drive shaft fitted with retention means used to drive said raisable articulated arms in an upward direction, and said at least one sealing canvas linked to the raisable articulated arms. 4. The installation according to claim 3, in which the articulated arms placed on the drive shaft are spaced by 20 to 100 cm. 5. The installation according to claim 3, in which the drive shaft is driven in rotation by control means that include an actuator. 6. The installation according to claim 3, in which the retention means include dogs placed on the drive shaft, so that each dog fits onto a so-called proximal end of an articulated arm. 7. The installation according to claim 1, in which each articulated arm includes from one to three articulations. 8. The installation according to claim 7, in which the articulations are used to raise a lower row part of the articulated arm in relation to a higher row. 9. The installation according to claim 1, in which the force applied by the said at least one sealing canvas onto the products is distributed over the lower face of the distal end of the articulated arms. 10. The installation according to claim 1, in which the said at least one sealing canvas includes pockets that are used for introduction of the articulated arms, and bellows between the pockets allowing angular movement between the arms. 11. The installation according to claim 10, in which the bellows have a shape that flares toward the bottom end of the said at least one sealing canvas. 12. The installation according to claim 1, in which the said at least one sealing canvas includes pockets and a bellows between the pockets, the articulated arms being introduced into the pockets with the bellows configured to allow independent raising of the articulated arms in neighboring pockets.
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Saitoh Shiroh (Ichikawa JPX), Apparatus for heat shrinking plastic film used for wrapping.
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