US 12,258,198 B2
Plastic film bags and use thereof
Rene Donner, Morbach (DE)
Assigned to Mettler Packaging LLC, Raynham, MA (US)
Filed by Mettler Packaging LLC, Raynham, MA (US)
Filed on Oct. 31, 2022, as Appl. No. 17/977,861.
Claims priority of application No. 21206048 (EP), filed on Nov. 2, 2021.
Prior Publication US 2023/0137399 A1, May 4, 2023
Int. Cl. B65D 81/26 (2006.01); B65D 75/26 (2006.01)
CPC B65D 81/264 (2013.01) [B65D 75/26 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A plastic film bag with a bag opening and an opposite bag end, comprising:
a plastic film front wall with a bag opening edge and a first lateral edge and an opposite second lateral edge,
a plastic film rear wall with a bag opening edge and with a first lateral edge and an opposite second lateral edge,
a plastic film bag bottom,
a plastic film interlayer arranged between the plastic film front wall and the plastic film rear wall with a first lateral edge and an opposite second lateral edge, a bottom-facing edge and an opposite opening-facing edge, and a rear side facing towards the plastic film rear wall and a front side facing towards the plastic film front wall, wherein, along the opening-facing edge or at a distance from the opening-facing edge, said plastic film interlayer is connected to the plastic film rear wall from or at a distance from the first lateral edge of the plastic film rear wall in the direction of or up to the opposite second lateral edge of the plastic film rear wall, wherein the bottom-facing edge is located at the plastic film bag bottom or at a distance from the plastic film bag bottom and wherein the opening-facing edge is located at or at a distance from the bag opening edge of the plastic film rear wall,
said plastic film bag further comprising:
a first layer comprising a liquid-absorbent material with a front side facing towards the plastic film front wall and a rear side facing towards the plastic film rear wall, wherein the first layer is directly or indirectly connected via the front side to the rear side of the plastic film interlayer, and wherein i) the first layer extends in the direction of the bottom-facing edge of the plastic film interlayer and ends at a distance from said bottom-facing edge of the plastic film interlayer, or ii) wherein the first layer extends up to the bottom-facing edge of the plastic film interlayer, or iii) wherein the first layer projects in parts beyond the bottom-facing edge of the plastic film interlayer in the direction of or up to the plastic film bag bottom,
and/or
a second layer comprising a liquid-absorbent material with a front side facing towards the plastic film front wall and a rear side facing towards the plastic film rear wall, wherein the second layer is directly or indirectly connected via the rear side to the plastic film rear wall, and wherein i) the second layer extends in the direction of the bottom-facing edge of the plastic film interlayer and ends at a distance from said bottom-facing edge of the plastic film interlayer, or ii) wherein the second layer extends up to the bottom-facing edge of the plastic film interlayer, or iii) wherein the second layer projects in parts beyond the bottom-facing edge of the plastic film interlayer in the direction of or up to the plastic film bag bottom,
wherein the bottom-facing edge of the plastic film interlayer is not connected to the plastic film front wall and to the plastic film rear wall,
wherein, apart from the connection along the opening-facing edge or at a distance from the opening-facing edge to the plastic film rear wall and the connection of the first lateral edge to the plastic film front wall and the plastic film rear wall in the region of a first lateral boundary and the connection of the second lateral edge to the plastic film front wall and the plastic film rear wall in the region of a second lateral boundary, the plastic film interlayer is not connected to the plastic film front wall and the plastic film rear wall,
wherein the first lateral edge of the plastic film front wall and the first lateral edge of the plastic film rear wall are connected together to form a first lateral boundary, and the second lateral edge of the plastic film front wall and the second lateral edge of the plastic film rear wall are connected together to form a second lateral boundary, and
wherein the connection of the plastic film interlayer to the plastic film rear wall extends from or at a distance from the first lateral boundary in the direction of or up to the second lateral boundary.