Method of packaging coffee and a packaging machine for packaging coffee

Abstract

This invention provides a novel method of packaging coffee and a machine therefor. Such a method comprises conveying an outer wrapper in a machine direction, applying a tear tape to the outer wrapper at an angle to the machine direction, wrapping the outer wrapper around an inner bag, and filling the inner bag with coffee before or after wrapping with the outer wrapper.

1 . A method of packaging coffee, wherein the coffee is filled into an inner bag, and an outer wrappers is conveyed in a machine direction and wrapped around the inner bag before or after filling the coffee into the inner bag, and wherein tear tapes are applied to the outer wrapper at an angel to the machine direction.  
   
   
       2 . The method in accordance with  claim 1 , wherein the tear tapes are applied in a direction substantially perpendicular to the machine direction.  
   
   
       3 . The method in accordance with  claim 1  or  2 , wherein the outer wrapper has a front side, which can be printed, and the tear tapes are applied to a rear side of the outer wrapper.  
   
   
       4 . The method in accordance with any of the preceding claims, wherein the tear tapes are applied in a self-adhesive state.  
   
   
       5 . The method in accordance with any of the preceding claims, wherein the tear tapes are, before being applied to the outer wrappers, cut to a predetermined width.  
   
   
       6 . The method in accordance with any of the preceding claims, wherein the tear tapes are supplied as rolls having a predetermined width.  
   
   
       7 . The method in accordance with any of the preceding claims, wherein the tear tapes are applied intermittently.  
   
   
       8 . A packaging machine for packaging coffee, including a device for forming an inner bag, a device for filling coffee into the inner bag, a conveyer for conveying an outer wrapper in a machine direction, a device for applying tear tapes to outer wrapper at an angle to the machine direction, and a device for wrapping the outer wrapper around the inner bag.  
   
   
       9 . The package machine in accordance with  claim 8 , wherein the device for applying the tear tapes is adapted to apply the tear tapes in a direction substantially perpendicular to the machine direction.  
   
   
       10 . The packaging machine in accordance with  claim 8  or  9 , further including a cutter for cutting the tear tapes to a predetermined width.  
   
   
       11 . The packaging machine in accordance with any of  claims 8  to  10 , wherein the device for applying the tear tapes includes a device for accommodating at least one roll of tear tapes.  
   
   
       12 . The packaging machine in accordance with any of  claims 8  to  11 , wherein the device for forming the inner bag includes a mandrel.