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Method and apparatus for producing wrappings for smoking articles

a technology of wrapping and smoking articles, which is applied in the direction of external support, special packaging, packaging of goods, etc., can solve the problems of not much improvement of machine performance, no advantageous effect in practice, and the limit of sealing time, so as to increase productivity and reduce cycle time

Inactive Publication Date: 2019-10-31
MONTRADE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The present invention is providing a method and apparatus for producing wrappings for smoking articles that can increase productivity and reduce cycle time simultaneously ensuring correct and reliable sealing operation. The stop time in each sealing station is independent, making it possible to achieve the ideal compromise between productivity and quality. The invention allows for high productivity and quality with relatively simple and low-cost means.

Problems solved by technology

The duration of the stop, which is the shorter the more one tries to increase the speed of production of the machine, constitutes a limit particularly in cases in which sealing stations are provided along the path.
Since the temperature of the heating bodies cannot exceed the damage temperature of the outer surface of the sheet material, it follows that the sealing time constitutes an inevitable limit to the increase in speed of the machines.
However, this solution does not allow much improving the performance of the machine, since each heating is interspersed with a cooling, which occurs during the transfer of each wrapping from one station to another.
Consequently, in these known solutions the total time necessary for the sealing operations does not correspond to the sum of the individual sealing times of the different sealing stations, and above a certain number of sealing stations, no advantageous effect is obtained in practice.

Method used

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  • Method and apparatus for producing wrappings for smoking articles
  • Method and apparatus for producing wrappings for smoking articles
  • Method and apparatus for producing wrappings for smoking articles

Examples

Experimental program
Comparison scheme
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first embodiment

[0026]FIG. 1 schematically shows an apparatus according to the invention,

[0027]FIGS. 1A-1F show different operating steps of the apparatus in FIG. 1,

[0028]FIG. 2 schematically shows a further solution, alternative to the embodiment in FIG. 1,

[0029]FIGS. 2A-2F show different operating steps of the apparatus in FIG. 2,

second embodiment

[0030]FIGS. 3A-3C schematically show different operating conditions of the apparatus according to the invention, and

third embodiment

[0031]FIG. 4 schematically shows the different operating conditions of the apparatus according to the invention,

[0032]FIGS. 5, 6 are a perspective view and a front view of a drawer support according to the present invention, and

[0033]FIG. 7 is a perspective view of a detail of the two belts provided in the embodiment in FIG. 1, in an example in which drawer supports of the type illustrated in FIGS. 5, 6 are used;

[0034]FIGS. 8, 9 and 10 are schematic perspective views of the wrapping in successive process steps;

[0035]FIG. 11 is a schematic perspective view of the wrapping obtained by the method.

[0036]In FIGS. 1 and 1A-1F, reference numeral 1 indicates as a whole an apparatus for producing wrappings for smoking articles or the like, including for example articles containing tobacco-based materials of the heat-not-burn type. By way of example, such wrappings may be designed to form packages in the form of a rigid box, with the wrapping of the smoking articles arranged inside the box. O...

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PUM

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Abstract

In a method of producing wrappings for smoking articles, the wrappings advance intermittently along a forming path with several stations, including a sealing station sealing the wrapping. Each wrapping continuously alternates a period of stop in a station with a period of movement between stations. A first predetermined stop time is associated with a first station, and a second predetermined stop time, greater than the first stop time, is associated with a second station, which is a sealing station. The second station has multiple positions for operating simultaneously on wrappings lots. Between stops in the first station, wrappings advance with a single step, with displacement that brings a wrapping to replace the immediately preceding wrapping. Between stops in the second station, wrappings advance with a multiple step, with a displacement that brings a wrappings lot to replace the immediately preceding lot in the positions of the second station.

Description

[0001]This application claims benefit of Italian Patent Application No. 102018000004903, filed 26 Apr. 2018 and which application is incorporated herein by reference. To the extent appropriate, a claim of priority is made to the above-disclosed application.FIELD OF THE INVENTION[0002]The present invention relates to the methods and apparatuses for producing wrappings for smoking articles or the like,—also including for example articles containing tobacco-based materials of the “heat-not-burn” type—in which the wrappings are advanced intermittently along a forming path which includes several stations, of which at least one station is a sealing station, suitable for performing a sealing operation on the wrapping, so that each wrapping continuously alternates a stop period in one station with a period of movement between one station and another.BACKGROUND ART[0003]According to the prior art, each individual wrapping is obtained by folding sheet material around a group of smoking articl...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): B65B19/22B65B53/02
CPCB65B19/223B65B53/02B65B51/10
Inventor GIANNINI, ANTONELLAMONZONI, ALBERTOCOI, DANIELE
Owner MONTRADE