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Apparatus and method for the production of sheet like tobacco material

A technology of sheet and equipment, applied in the field of producing sheet-like tobacco materials, can solve the problems of fragmentation, damage to material sheets, reduction of tensile strength, etc.

Active Publication Date: 2019-11-05
PHILIP MORRIS PROD SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

While crimping pressure that is too low will reduce the positive effects of crimping, too high a pressure can damage the sheet of material, reducing its tensile strength, which increases tearing and can even cause it to crumble

Method used

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  • Apparatus and method for the production of sheet like tobacco material
  • Apparatus and method for the production of sheet like tobacco material
  • Apparatus and method for the production of sheet like tobacco material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0110] initial reference figure 1 , which shows an isometric view of an apparatus 10 according to the invention comprising a first crimping roller 11 and a second crimping roller 21 facing each other between which a web of material 40 having a width 46 is processed. The conveying direction 1 of the sheet 40 is indicated in the figure by an arrow pointing forward to the left.

[0111] The facing first crimping roller 11 and the second crimping roller 21 define a first axis of rotation 17 and a second axis of rotation 27 respectively. The surface of the rolls 11, 21 has corrugations, with the ridge-groove pattern 16, 26 indicated by two circumferential lines on the surface of each roll 11, 21 .

[0112] One or both rolls 11, 21 have uncrimped and / or less corrugated areas and are arranged relative to each other such that during the crimping process such areas on one roll 11 or 21 face towards areas on the other roll 21 or 11. Other such areas or common ridge-groove patterns 16,...

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PUM

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Abstract

The invention relates to an apparatus (10) for crimping a sheet (40) of material, the apparatus comprising a first and second facing crimping roller (11, 21) defining a first and second rotation axis,respectively, the first roller including: a first plurality of circumferential ridges (16), each ridge defining a ridge amplitude, wherein each of said first plurality of ridges is interrupted alongits circumferential extension forming an interruption gap where for a given interruption angle an amplitude of the ridge differs from the ridge amplitude in the remaining circumferential extension ofthe ridge; and said plurality of interruption gaps forms an interruption band defining a direction of extension, said direction of extension being angled with respect to a direction defined by the first rotation axis of an angle comprised between about 2 degrees to about 25 degrees. The invention also relates to a method for crimping a sheet of material as well as a crimped sheet of material and arod made of a crimped sheet.

Description

technical field [0001] The present invention relates to an apparatus and process for producing tobacco material in sheet form. In particular, the present invention relates to an apparatus and process for producing tobacco material in sheet form for use in aerosol-generating articles, such as cigarettes or tobacco-containing products of the "heat-not-burn" type. Background technique [0002] Homogenized tobacco material is also used today in the manufacture of tobacco products other than tobacco leaf. Such homogeneous tobacco material is typically produced from tobacco plant parts that are less suitable for the production of cut filler, such as tobacco stems or tobacco 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 homogeneous tobacco material are reconstituted tobacco sheet and cast leaf. The process of forming a homogeneous sheet of tobacco material typically inc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A24B3/14A24D3/02A24C5/01
CPCA24B3/14A24D3/0204A24C5/01A24B3/18A24C5/18A24C5/28
Inventor S·扎波利I·洛迪
Owner PHILIP MORRIS PROD SA