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Method for the production of sheet-like tobacco material

A technology for sheet material and material sheet, which is applied in the field of producing sheet-like tobacco materials, can solve problems such as increasing damage to the sheet, and achieve the effect of preventing overstretching and damage.

Active Publication Date: 2019-10-25
PHILIP MORRIS PROD SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The shorter the crimping time, the more pressure must be applied to ensure proper crimping of the sheet of material, which increases the risk of damaging the sheet during the crimping process

Method used

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  • Method for the production of sheet-like tobacco material
  • Method for the production of sheet-like tobacco material
  • Method for the production of sheet-like tobacco material

Examples

Experimental program
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Effect test

Embodiment Construction

[0082] For comparison purposes, in Figure 4 and 5 In , an apparatus 200 for crimping a sheet of material 70 and the crimped sheet of material are shown, realized according to the prior art. Figure 4 A partial view of two mutually facing crimping rolls 211 , 212 is shown, comprising interleaving corrugations 217 , 227 in side view (depicted exaggerated for clarity). Each roller 211 , 212 rotates about a respective axis 218 , 219 . Both rollers 211 , 221 have the same diameter 220 and width 221 . Each roll 211,212 contains a conventional ridge-groove pattern as corrugations 217,227. The corrugation or ridge-groove pattern 217, 227 is made up of circumferential ridges, each ridge defining a ridge amplitude. The ridges of the first and second rolls have the same amplitude and spacing. Furthermore, each ridge of the corrugations 217, 227 includes a top portion or tip 214, and a concave groove 215 is positioned between two adjacent ridges.

[0083] Figure 5 shows a crimped...

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Abstract

The invention relates to an apparatus and a method of manufacturing a crimped sheet (70) of material for an aerosol-generating article. The method comprises the step of feeding a substantially continuous sheet of material to a set of crimping rollers (11, 21) in a transport direction (1), the set of crimping rollers comprising a first roller (11) having a first surface (12) and having a first plurality of ridges (17) across at least a portion of its width and a second roller having a second surface, the second surface (22) being formed at least for a portion thereof in a material having an hardness lower than the hardness of a material forming the first surface. Further, the method comprises crimping the substantially continuous sheet of material to form the crimped sheet by feeding the substantially continuous sheet between the first and second rollers in the transport direction of the sheet such that the corrugations of the first roller apply a plurality crimp corrugations to the substantially continuous sheet.

Description

technical field [0001] The present invention relates to a process for producing tobacco material in sheet form. In particular, the present invention relates to a process for producing sheet-like tobacco material for use in aerosol-generating articles, such as cigarettes or "heat-not-burn" products containing tobacco. Background technique [0002] Today, in the manufacture of tobacco products, homogenized tobacco material is used in addition to tobacco leaf. Such homogenized tobacco material is typically produced from tobacco plant parts less suitable for the production of filler tobacco, such as tobacco stems or dust. Typically, tobacco dust is produced as a by-product during the handling of tobacco leaves during manufacture. [0003] The most commonly used forms of homogenized tobacco material are reconstituted tobacco sheet and cast leaf. The process of forming a sheet of homogenized tobacco material typically includes the step of mixing tobacco dust with a binder to fo...

Claims

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Application Information

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IPC IPC(8): A24B3/14A24D3/02
CPCA24B3/14A24D3/0204A24B3/18A24C5/01A24D3/02
Inventor S·扎波利
Owner PHILIP MORRIS PROD SA
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