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AssigneeMondi AG
InventorsUwe VOGELSKAMP, Reinhard KAINZ, Johannes ROSENWIRTH
Estimating the term…
A bag wall is designed for producing a bag open on a top side by means of at least a connection seam and for closing said bag by means of at least one further connecting seam after being filled with bulk material and is characterized by at least one Kraft paper layer forming a Kraft paper core (1) and essentially determining the load capacity of the bag which core (1) is provided with fine openings (2) in two-dimensional regions covering at least half of the surface of said core (1) and is directly coated on both sides with a plastic layer (3, 4) each wherein both plastic layers consist of plastic material being miscible in liquid states and wherein the plastic layers (3, 4) are connected to each other by material fit through said openings (2) during the coating.
A bag wall designed for producing a bag open on a top side by means of at least a connection seam and for closing said bag by means of at least one further connecting seam after being filled with bulk material, wherein at least one Kraft paper layer forming a Kraft paper core and essentially determining the load capacity of the bag which core is provided with fine openings in two-dimensional regions covering at least half of the surface of said core and is directly coated on both sides with a plastic layer each wherein both plastic layers consist of plastic material being miscible in liquid states and wherein the plastic layers are connected to each other by material fit through said openings during the coating.
A method for producing a bag wall wherein a Kraft paper core essentially determining the stability of the bag wall is provided on its whole surface with numerous openings and that the Kraft paper layer is coated on both sides with a plastic layer each in liquid states of the plastics so that the plastic layers are connected with each other through the openings by material fit.
Dependencies are inferred from the claim text.