US2014020338A1PendingUtilityA1

Packaging machine and process for producing individually evacuated and/or gas treated packs

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Assignee: HUEBNER GERDPriority: Jan 27, 2011Filed: Jan 27, 2012Published: Jan 23, 2014
Est. expiryJan 27, 2031(~4.5 yrs left)· nominal 20-yr term from priority
Inventors:Gerd HübnerKlaus Meyer
B65B 59/003B65B 57/00B65B 61/06B65B 31/043B65B 31/021B65B 9/04B65B 41/12B65B 47/00
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Claims

Abstract

The present invention relates to a packaging machine ( 1 ) in which a material web is transported cyclically, having: a thermoforming station ( 2 ), which, during each cycle, forms a pattern of a plurality of pack cavities in the material web, —a filling station ( 7 ) in which an article is introduced into each pack cavity, —a sealing station ( 19 ), which fastens an upper material web integrally on the material web, wherein, prior to the integral connection being made, the pack cavity has gas evacuated from it and/or admitted to it, and—a cutting device ( 27 ), by means of which the packs produced in this way are separated from the material webs. The present invention further relates to a method for producing a pack, in the case of which a material web is transported cyclically along a packaging machine and, during each cycle, a pattern of a plurality of pack cavities is formed in the material web, the pack cavities are then filled with an article and then an upper material web is sealed onto the pack cavities, wherein, prior to the sealing operation, the pack cavities have gas evacuated from them and/or gas exchange is carried out.

Claims

exact text as granted — not AI-modified
1 . A packaging machine in which a material web is transported cyclically, comprising
 a thermoforming station, which, during each cycle, forms a pattern of a plurality of packaging wells in the material web,   a filling station, in which a product to be packaged is filled into each packaging well,   a sealing station, which integrally bonds an upper material web to the material web, wherein, prior to the integral bond being made, the packaging well is degassed and/or gassed, and   a cutting device, which separates the packagings thus produced from the material webs,   wherein the packaging machine has a gassing means and/or a degassing means, with which the individual packaging wells within a patter can be individually gassed and/or degassed.   
     
     
         2 - 10 . (canceled) 
     
     
         11 . The packaging machine as claimed in  claim 1 , wherein the gassing means and the degassing means are provided in one unit. 
     
     
         12 . The packaging machine as claimed in  claim 1 , wherein one shut-off member is provided in the gassing means and/or in the degassing means per packaging well, per row and/or per column within a pattern. 
     
     
         13 . The packaging machine as claimed in  claim 11 , wherein one shut-off member is provided in the gassing means and/or in the degassing means per packaging well, per row and/or per column within a pattern. 
     
     
         14 . The packaging machine as claimed in  claim 1 , wherein it has a measurement means, preferably per packaging well, per row and/or per column within a pattern, with which the pressure and/or the concentration of at least one gas component in the packaging well(s) can be determined. 
     
     
         15 . The packaging machine as claimed in  claim 11 , wherein the packaging machine has a measurement means, per packaging well, per row, and/or per column within a pattern, with which the pressure and/or the concentration of at least one gas component in the packaging well(s) can be determined. 
     
     
         16 . The packaging machine as claimed in  claim 13 , wherein the packaging machine has a measurement means, per packaging well, per row, and/or per column within a pattern, with which the pressure and/or the concentration of at least one gas component in the packaging well(s) can be determined. 
     
     
         17 . The packaging machine as claimed in  claim 12 , wherein it has a controller which controls the shut-off members, preferably on the basis of a signal of the measurement means. 
     
     
         18 . The packaging machine as claimed in  claim 14 , wherein the packaging machine has a controller which controls the shut-off members, preferably on the basis of a signal of the measurement means. 
     
     
         19 . The packaging machine as claimed in  claim 1 , wherein it has a means with which the fill level of the product to be packaged in the respective packaging well is established. 
     
     
         20 . The packaging machine as claimed in  claim 13 , wherein it has a means with which the fill level of the product to be packaged in the respective packaging well is established. 
     
     
         21 . The packaging machine as claimed in  claim 15 , wherein the packaging machine has a means with which the fill level of the product to be packaged in the respective packaging well is established. 
     
     
         22 . The packaging machine as claimed in  claim 16 , wherein the packaging machine has a means with which the fill level of the product to be packaged in the respective packaging well is established. 
     
     
         23 . The packaging machine as claimed in  claim 19 , wherein the controller controls the shut-off member on the basis of the respective fill level in the packaging well. 
     
     
         24 . The packaging machine as claimed in  claim 21 , wherein the controller controls the shut-off member on the basis of the respective fill level in the packaging well. 
     
     
         25 . The packaging machine as claimed in  claim 22 , wherein the controller controls the shut-off member on the basis of the respective fill level in the packaging well. 
     
     
         26 . The packaging machine as claimed in  claim 1 , wherein the gassing means and/or degassing means is an exchange part that can be exchanged in the event of a pattern change. 
     
     
         27 . The packaging machine as claimed in  claim 24 , wherein the gassing means and/or degassing means is an exchange part that can be exchanged in the event of a pattern change. 
     
     
         28 . A method for producing a packaging, in which a material web is transported cyclically along a packaging machine and,
 during each cycle, a pattern of a plurality of packaging wells is formed in the material web and the packaging wells are then filled with a product to be packaged, and an upper material web is then sealed onto the packaging wells,   wherein, before the sealing operation, the packaging wells are degassed and/or a gas exchange is carried out,   wherein the packaging wells within a pattern are each degassed and/or gassed individually.   
     
     
         29 . The method as claimed in  claim 28 , wherein the quantity of gas and/or the negative pressure in the respective packaging well can be controlled.

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