Package making – Group forming of contents unit and subsequent or further... – Layer – stack – or column
Patent
1998-04-01
1999-09-14
Moon, Daniel B.
Package making
Group forming of contents unit and subsequent or further...
Layer, stack, or column
53542, B65B 3550
Patent
active
059504056
DESCRIPTION:
BRIEF SUMMARY
The invention relates to a handling device for conveying layered cellulose products, in particular cotton wool pads, formed in succession during production, between a production station and a packaging station.
The formerly conventional method of handling during the conveyance of such cellulose products between a production station and a packaging station or a similar further processing unit such as a skein forming unit or the like and the resultant problems will be described hereinafter with reference to the production of cotton wool pads. These cotton wool pads are produced from a web of cellulose using a stamping machine, the cotton wool pads being inserted in succession into a tube leading away from the stamping machine and being carried away from the stamping machine. As new cotton wool pads are continuously inserted into the tube, a stack is formed in the tube and is pushed through the tube owing to the pressure of the respective newly arriving cotton wool pads. At the end of the respective tube remote from the stamping machine, a partial stack, which comprises a number of cotton wool pads corresponding to the respective packaging unit and is inserted into a bag placed on the end of the tube, is separated manually from the stack.
An alternative to this manual method of handling is described in DE 43 16 363 A1, which describes an automatic device for loading these bags. This loading device is in turn arranged at the end of the tube remote from the stamping machine and has a separating unit for splitting the stack into partial stacks and a discharge system for conveying the partial stack from the separating unit into the bag.
A problem during the above-mentioned conveyance of the cotton wool pads from the production station to the packaging station is that the individual cotton wool pads are shaped into a continuous stack which is pushed along in a tube. On the one hand, owing to the shaping into a continuous stack, it is necessary to open the stack for packaging in partial stacks again, which necessitates either labour-intensive manual activity or a constructionally complex loading device of the type described in DE 43 16 363 A1. On the other hand, the conveyance of the cotton wool pads from the production station to the packaging station in the form of a stack in a tube is susceptible to breakdown and can adversely affect the quality of the cotton wool pads. For example, the cut edges of the cotton wool pads can be damaged by their contact with the tube wall.
Furthermore, owing to the virtually continuous conveyance of the cotton wool pads from the production stamping machine to the packaging station, the problem arises that the entire stack comes to a standstill when the stamping process is interrupted and packaging therefore also has to be interrupted. In this respect, there is no cushion effect with the known method of conveying the cotton wool pads from the production station to the packaging station.
On the basis of the above-mentioned problems, the object of the invention is to provide a handling device for conveying layered cellulose products formed in succession during production between a production and packaging station, with which the cellulose products can immediately be formed into partial stacks with a number of products which corresponds to the packaging unit and with which the continuous conveyance of the products in a continuous stack and the associated problems are avoided.
This object is achieved by the features mentioned. The handling device for said conveyance of cellulose products is accordingly provided with an intermediate storage system which follows the production station and comprises at least one pair of separate holding chambers for the serial holding of the successive cellulose products delivered from the production station in a number corresponding to the packaging unit and for the transfer of the cellulose products held in this way as a package into a respective conveying cartridge. One holding chamber of this pair, of which there is at least one, can be coupled altern
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Pringuer Jean-Pierre
Stary Christof Karl
Wolfel Peter
Huston Larry L.
Linman E. Kelly
Moon Daniel B.
The Procter & Gamble & Company
Vitenberg Vladimir
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