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Forming shoulder of a tubular bag packaging machine

a tubular bag and packaging machine technology, applied in the direction of packaging goods, transportation and packaging, liquid materials, etc., can solve the problems of forming shoulder wear and inability, and achieve the effect of rapid prototyping, reduced friction and therefore the required pull-off for

Inactive Publication Date: 2016-03-24
ROBERT BOSCH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The invention is about a new forming shoulder for a packaging material processing machine. The forming shoulder is made from a porous material and divided into individual segments. This allows for the supply of air or other gas to create air cushions between the forming shoulder and the packaging material, reducing friction and improving the movement of the material. The forming shoulder can also be controlled to influence the friction ratios in the individual segments, allowing for better control of the material's movement. The invention can be used with intermittently operating processing machines and can also hold the packaging material on the forming shoulder using negative pressure or vacuum. The use of air cushions reduces friction, allows for the use of difficult-to-process packaging materials, and increases the service life of the forming shoulder. Pressure sensors can be used to measure the pressure or flow resistance in the individual segments for effective control.

Problems solved by technology

Due to the friction arising between the packaging material and the forming shoulder, it is not possible without special measures to process sensitive, structured or adhering packaging material.
It has particularly been proven to be disadvantageous that the forming shoulder tends to wear particularly in the region of the forming edge.

Method used

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  • Forming shoulder of a tubular bag packaging machine
  • Forming shoulder of a tubular bag packaging machine
  • Forming shoulder of a tubular bag packaging machine

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Embodiment Construction

[0019]FIGS. 1 and 2 show in each case a schematic depiction of a forming shoulder according to the invention. The forming shoulder 2 depicted in FIG. 1 is designed in a segmented manner and has in total six segments Ito VI on the surface thereof, which are designed substantially strip-shaped.

[0020]In the exemplary embodiment shown in FIG. 2, the segments are designed in each case as measurement segments. This means that they are not strip-shaped but rectangular or suitably divided in order to carry out measurements over the running movement of the packaging material web, said measurements being used for the open-loop or closed-loop control of the process.

[0021]The invention thus relates, as described above, to a forming shoulder 2 which can be produced in two ways. On the one hand, production can take place by sintering and on the other hand by a generative manufacturing method, such as, for example, rapid prototyping.

[0022]The forming shoulder 2 can obtain a porous structure by mea...

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Abstract

The present invention relates to a forming shoulder of a tubular bag forming, filling and sealing machine, wherein the forming shoulder (2) is produced from a porous material and is divided into individual segments (3). (FIG. 1)

Description

BACKGROUND OF THE INVENTION[0001]The invention relates to a forming shoulder of a tubular bag forming, filling and sealing machine. Such forming shoulders are known from the prior art. Said forming shoulders are primarily produced from plastic or structured sheet metal, wherein the surface properties of the forming shoulder and of the plastic material (packaging material) to be formed by the forming shoulder have to be matched to one another such that the packaging material slides on the forming shoulder in order to subsequently be formed from a flat web to a film tube. Due to the friction arising between the packaging material and the forming shoulder, it is not possible without special measures to process sensitive, structured or adhering packaging material. It has particularly been proven to be disadvantageous that the forming shoulder tends to wear particularly in the region of the forming edge.[0002]A forming shoulder is known from the European patent specification EP 1 186 535...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): B65B7/02B65B43/04
CPCB65B43/04B65B7/02B65B57/00B65B9/22
Inventor OBERDORFER, BERENDWIEDUWILT, ULRICHSTOTKIEWITZ, HERBERTREICHMANN, ELLENWILKE, BERNDMEISSNER, DIRKPHILIPP, ANDRE
Owner ROBERT BOSCH GMBH
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