Packaging machine for paper bags

Abstract

The invention relates to a packaging machine (1) for producing a packaging bag (20), in particular a packaging bag for bulk material, and for closing a filled packaging bag, comprising: a feed device (2) for feeding in a packaging material (22); at least one connecting device (30) for producing the packaging bag by connection of at least two layers of the packaging material, wherein, during the connection, the packaging material is conveyed substantially continuously, in particular without acceleration; and at least one closure device (40) for closing the produced and filled packaging bag (20).

1 . A packaging machine for producing a packaging bag for bulk material and for closing a filled packaging bag, comprising:
 a feed device for feeding a packaging material;   at least one connecting device for producing the packaging bag by connecting at least two layers of the packaging material, the packaging material being conveyed substantially continuously, without acceleration, upon/during connecting; and   at least one closing device for closing the produced and filled packaging bag.   
     
     
         2 . The packaging machine according to  claim 1 , wherein the connecting device and/or the closing device is adapted to connect the packaging material mechanically by embossing, interlocking& and/or knurling. 
     
     
         3 . A packaging machine for producing a packaging bag for bulk material and for closing a filled packaging bag, comprising:
 a feed device for feeding a packaging material;   at least one connecting device for producing a packaging bag by mechanically connecting at least two layers of the packaging material; and   at least one closing device for closing the produced and filled packaging bag.   
     
     
         4 . The packaging machine according to  claim 3 , wherein the connecting device and/or the closing device is adapted to connect the packaging material by embossing, interlocking and/or knurling; and/or
 wherein the packaging material is conveyed substantially continuously, without acceleration, upon/during connecting by the at least one connecting device.   
     
     
         5 . The packaging machine according to  claim 3 , wherein the at least one connecting device is displaced relative to the packaging material upon/during connecting; and/or
 wherein the packaging material is conveyed substantially continuously, without acceleration, upon/during being closed by the at least one closing device; and/or   wherein the at least one closing device is displaced in relation to the packaging material and/or the packaging bag during closing.   
     
     
         6 . The packaging machine according to  claim 3 , wherein the connecting device and/or the closing device is adapted to connect the packaging material at least partially substantially without a material connection; and/or
 wherein the connecting device and/or the closing device is adapted to connect the packaging material substantially in a positive/form-fit manner and/or non-positive/friction-fit manner.   
     
     
         7 . The packaging machine according to  claim 3 , wherein the connecting device is adapted to create one or more connecting seams substantially parallel to a conveying direction of the packaging material and substantially without a material connection; and
 wherein at least one of the connecting device and the closing device are adapted to create one or more connecting seams with a material connection substantially orthogonal to a conveying direction of the packaging material.   
     
     
         8 . The packaging machine according to  claim 3 , wherein the packaging material at least partially comprises fibrous material comprising at least one of cellulose, wood pulp and/or paper, and waste paper material. 
     
     
         9 . The packaging machine according to  claim 3 , wherein the at least one connecting device and/or the at least one closing device is adapted to create a connecting seam substantially orthogonal to a conveying direction of the packaging material; and/or
 wherein the at least one connecting device and/or the at least one closing device is adapted to create a connecting seam substantially parallel to a conveying direction of the packaging material.   
     
     
         10 . A connecting device for connecting at least two layers of a packaging material for producing a packaging bag for bulk material, comprising:
 at least one embossing tool with an embossing structure;   wherein the connecting device is adapted to produce and/or close a packaging bag by connecting through mechanical embossing, interlocking, and/or knurling, at least two layers of the packaging material, while the packaging material is being conveyed substantially continuously and without acceleration; and   wherein the packaging material comprises fibrous material comprising at least one of cellulose, wood pulp and/or paper, and waste paper material.   
     
     
         11 . The connecting device according to  claim 10 , wherein the embossing tool comprises at least one rotatable roller with an embossing structure. 
     
     
         12 . The connecting device according to  claim 10 , wherein the connecting device is adapted to create a connecting seam substantially parallel to a conveying direction of the packaging material; and/or
 wherein the connecting device is adapted to create a connecting seam substantially orthogonal to a conveying direction of the packaging material.   
     
     
         13 . A method for producing a packaging bag for bulk material and for closing a filled packaging bag, the method comprising:
 shaping and/or folding a packaging material by folding and/or pleating the packaging material;   producing the packaging bag by creating at least two connecting seams by respective connection through mechanical embossing, interlocking, and/or knurling at least two layers of the packaging material; and   substantially continuously, and without acceleration, conveying the packaging material while producing at least one connecting seam; and/or   closing the produced and filled packaging bag;   wherein the packaging material comprises fibrous material comprising at least one of cellulose, wood pulp and/or paper, and waste paper material.   
     
     
         14 . The method according to  claim 13 , wherein at least two connecting seams are arranged substantially orthogonal to one another, and/or at least two connecting seams are arranged substantially parallel to one another. 
     
     
         15 . The method according to  claim 13 , further comprising:
 feeding the packaging material; and/or   creating at least one connecting seam substantially without a material connection; and/or   closing the packaging bag by creating at least one connecting seam arranged parallel and/or orthogonal to at least one connecting seam for producing the packaging bag; and/or   filling the packaging bag with bulk material; and/or   separating part of the packaging material; and/or   creating at least one connecting seam substantially orthogonal to a conveying direction of the packaging material; and/or   creating at least one connecting seam substantially parallel to a conveying direction of the packaging material.   
     
     
         16 . A closed packaging bag filled with bulk material, comprising:
 at least two connecting seams arranged substantially parallel, which connect at least two layers of a packaging material of the packaging bag substantially without a material connection; and   at least one connecting seam, substantially orthogonal to the at least two connecting seams arranged in parallel which connects the packaging material with a material connection;   wherein the packaging material comprises fibrous material that comprises at least one of cellulose, wood pulp, paper, and/or waste paper material.   
     
     
         17 . The closed packaging bag according to  claim 16 , wherein at least one connecting seam connects the packaging material of the packaging bag substantially without a material connection. 
     
     
         18 . The closed packaging bag according to  claim 16 , wherein the packaging bag has a fold line orthogonal to the at least two parallel connecting seams; and/or
 wherein the packaging bag has two pairs of substantially parallel connecting seams, the pairs of substantially parallel connecting seams being arranged substantially orthogonal to one another.