Device for wrapping groups of filter segments with a wrapping material for producing multi-segment filters of the tobacco industry and multi-segment filter production device

Abstract

The invention relates to a device for wrapping groups (4) of filter segments (5.1-5.7, 83, 87) with a wrapping material (9) for producing multi-segment filters (49) of the tobacco industry, comprising a rolling channel (25) for wrapping by rolling the groups (4) with the wrapping material (9). The invention further relates to a multi-segment filter production device. According to the invention, the rolling channel (25) is formed by adjacent ends of at least one first and at least one second tape (18, 20). The inventive multi-segment filter production device comprises one of the above-mentioned devices for wrapping groups of filter segments (5.1-5.7, 83, 87) with a wrapping material and a transfer device (62.1, 62.2) for transferring groups (4) of filter segments (5.1-5.7, 83, 87) from a filter segment group combination device (41).

Description

technical field [0001] This invention relates to an apparatus for encapsulating groups of filter segments with an encapsulating material for the manufacture of multi-segment filters for the tobacco processing industry. The invention also relates to a multi-segment filter production device. Background technique [0002] Devices for encapsulating groups of filter segments with encapsulating material for the manufacture of multi-segment filters for the tobacco processing industry are known per se. Here, for example, the applicant's filter rod production plant known as KDF comes to mind. Groups of filter segments or groups of filter rods are formed during traversing by means of a sliver making device such as described in DE-OS2452749 (corresponding to GB1522139 and proposed by the statutory predecessor applicant), and subsequently, such Transferred to the rod making equipment, the groups of filter rods can be wrapped with wrapping material along the longitudinal axis. In this...

AI Technical Summary

Problems solved by technology

[0007] The disadvantage of the multi-segment filter produced in this way is that its diameter is variable

In addition, the method of manufacturing or joining filter tip segments into groups is therefore unfavorable, because there is at least one solid rolling surface which exerts a considerable force on the set of filter tip segments to be rolled when a group of filter tip segments to be rolled appears. force without retreating

Due to the rigidity of the rolling surface, the set of filter segments to be rolled may be injured

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