Retractable Clip Press

Abstract

The specification discloses a cardboard and blister pack packaging and sealing machine that includes an upper and lower heater and die combination that can be compressed together over a package for sealing using heat activated adhesives. The machine may use at least one piston and rod device or pump to provide the necessary energy or pressure. The machine may include a moveable tray containing at least one aperture to hold an unsealed package wherein the unsealed package can be moved proximate to the upper and lower heaters and dies and the upper and lower heaters and dies can press together. In this way, both the top and bottom dies may be heated and the operator is not required to remove the sealed packaging from the hot die.

1 . A cardboard and blister pack packaging and sealing machine comprising:
 a) an upper heater and die moveable downward;   b) a lower heater and die moveable upwards;   c) a moveable tray containing at least one aperture to contain an package wherein the package can be moved proximate to the upper and lower heaters and dies and the upper and lower heaters and dies can press together;   d) a plurality of clips attached to the tray and pivotable in response to movement of the lower die or heater and the clips may hold an package.   
     
     
         2 . The machine of  claim 1  further comprising extending springs attached to the surface of at least one die to support the package before the top and bottom die press together. 
     
     
         3 . The machine of  claim 1  further comprising the upper heater and die controlled by a hydraulic cylinder. 
     
     
         4 . The machine of  claim 1  further comprising the lower heater and die controlled by a pneumatic or hydraulic cylinder. 
     
     
         5 . A method for sealing a cardboard package comprising:
 a) positioning a moveable tray containing at least one aperture wherein a package can be positioned and the package supported by pivotable clips   b) moving the tray proximate to upper and lower dies;   c) moving the upper die downward;   d) moving the lower die upward;   e) pressing the upper and lower dies together with the package positioned between the upper and lower dies; and   f) pivoting clips attached to the moveable tray pivoting in response to the upward moving lower die contacting each clip causing the clips to pivot horizontally into recesses of the tray.   
     
     
         6 . The method for sealing a cardboard package of  claim 5  further comprising heating the package. 
     
     
         7 . The method of sealing a cardboard package of  claim 6  further comprising placing an unsealed package in the moveable tray aperture and sealing the package with heat.