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Method and device for plasma drilling of tipping paper

A technology of tipping paper and plasma, applied in plasma, plasma welding equipment, cigarette manufacturing, etc., can solve problems such as uneven hole size distribution, spark splashing, etc., achieve precise hole diameter and position, and avoid visible burning traces

Active Publication Date: 2017-03-01
TANNPAPIER GMBH +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Disadvantages are visible traces around the holes due to burning (burning edges), uneven size distribution of the holes due to the difficulty of controlling the discharge, and sparks flying due to the discharge, resulting in extremely small holes next to the desired holes

Method used

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  • Method and device for plasma drilling of tipping paper
  • Method and device for plasma drilling of tipping paper
  • Method and device for plasma drilling of tipping paper

Examples

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Embodiment Construction

[0023] The technical solutions of the present invention will be further described below through specific examples.

[0024] figure 1 shows an apparatus according to the invention for the plasma perforation of paper webs, in particular for the plasma perforation of tipping paper webs or tipping papers 4 . An energy source with as small an area as possible is placed on the flat side of the tipping paper 4 . In this example, a needle-shaped electrode 2 is used as an energy source, more precisely to apply a voltage between the two electrodes 2 and 5 . Electrode 2 is mounted on tube 1 . Tube 1 is used to deliver pressurized gas or gas mixture. For better understanding, the airflows in the figure are marked with arrows. At the front end of the tube 1 there is a nozzle 1.1 for narrowing the air flow. This nozzle 1.1 is mounted at its tip facing the tipping paper 4, concentrically with the electrode 2. Via the cavity 1.2 closed by the tube 1 and the nozzle 1.1, the pressurized g...

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Abstract

The present invention relates to a process and device for plasma drilling of tipping paper (4). In the process, a mixed gas is ionized on the surface of tipping paper (4) under the action of a point energy source, and low-temperature plasma ( 3), in this process, the mixed gas is only ionized in a very small and limited range on the surface of the tipping paper (4). In this device, its energy source faces the tipping paper (4) at an angle of 90°, and the energy source has a pointed tip. The energy light is emitted from the energy source point of the tipping paper (4). In a hollow tube (1), a nozzle (1.1) is installed at the end facing the tipping paper (4) as the outlet of the mixed gas under pressure. The tip of the energy source is placed in the nozzle (1.1) and is concentric with the nozzle coaxial. Compared with laser drilling and mechanical drilling, plasma drilling can produce very small apertures. Compared with electrostatic drilling, the invention can obtain very accurate apertures and positions, and can avoid visible burning traces around the holes.

Description

technical field [0001] The invention relates to a method and a device for plasma punching of tipping paper. Background technique [0002] The five basic parts of a common filter cigarette are tobacco leaf segments, cigarette paper wrapping the tobacco leaf segments, filter tips, molding paper and tipping paper (tipping paper). [0003] Tipping paper, also known as "tipping paper", is used to wrap the filter tip and wrapping paper. It is the part of a person's lips that touch a filter-tipped cigarette when smoking. In general, the tipping paper will protrude in the longitudinal direction of the filter cigarette, and slightly protrude toward the longitudinal area of ​​the tobacco leaf section, wrapping the cigarette paper and bonding it with the cigarette paper by glue. The filter portion and the tobacco segment portion are mechanically joined together on the machine by the creation of the bond. Tipping paper is mostly actually paper, which can be film or foil. Where the t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B26F1/31
CPCA24C5/56A24C5/606B23K10/00H05H1/26A24C5/007B26F3/16B23K2103/40H01J37/32009H01J37/3244H01J2237/334
Inventor 林迈克
Owner TANNPAPIER GMBH
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