CS317291A3 - Smoker's article - Google Patents

Description

- 1

Smoking product.

Technical field

The invention relates to a smoking material may be a tobacco or a therapeutical.

product in which any other suitable

Background Art

A cigarette smoke aerosol is a complex that consists of many components in a particulate or gaseous phase. The components contained in the particulate phase can be classified into two fractions, the non-volatile fraction and the fractionally volatile fraction.

The semi-volatile fraction can be defined as fractionating from those components that evaporate from a chemically inert substrate by heating to 200 ° C.

Many components that have been found to contribute to the taste and smell of cigarette smoke are contained in a semi-volatile fraction. Also, approximately 50% of the total particulate matter of the cigarette smoke is experimentally found to be a semi-volatile fraction. SUMMARY OF THE INVENTION It is an object of the present invention to provide the smoker with an expanded concentration of semi-volatile smoke constituents and to reduce the concentration of non-volatile constituents and thereby promote flavor and odor in the lower particle fraction mass.

SUMMARY OF THE INVENTION

According to the invention, the smoking article consists of a smoking material rod and a filter portion, wherein the filter portion comprises in the collection zone means for collecting the particulate matter smoke from the smoking rod and means for heating the collection zone to release the semi-volatile components while allowing non-volatile components to be retained. filter. Preferably, the smoking material rod comprises a longitudinal passageway that feeds hot gases from the ignited article to the collection zone. In one preferred embodiment, the collecting zone is formed by an impermeable transverse member on which the particle mass is deposited from the smoke of the smoking material. The transverse insert member may be a disc, the central portion of which forms a collection zone which is surrounded by an outlet aperture (s). Preferably, the disk is housed in a chamber into which smoke from the smoking material is fed and into which the longitudinal channel feeds hot gases to the collection zone.

Means for accelerating hot gases from the channel to the collection zone may also be connected. In another embodiment, the collection zone may be provided with a high retention filter element. In this configuration, the high retention filter element may be separated by a gap from the end of the smoking material rod to form a chamber adjacent to the collection zone to which smoke from the smoking material is fed into which the longitudinal channel supplies hot gases to the collection zone.

The secondary filter element may be located at the end of the article.

Advantageously, the longitudinal channel in the smoking material rod is formed by a tube with a low porosity. BRIEF DESCRIPTION OF THE DRAWINGS

The invention can be used in various ways. Next, two embodiments will be described by way of example with reference to the attached drawings:

FIG. Figure 1 is a longitudinal section through the smoking article of the invention; Figure 2 is a section along the line II-II in Figure 1; Figure 3 is a section along the line III-III in Figure 1; 1 and 5 is a longitudinal section of another structure according to the invention. EXAMPLES OF THE INVENTION

1 to 4, a smoking article according to the invention consists of a rod and a smoking material, for example tobacco, held in an outer paper wrapper 2. The rod 1 is provided with a longitudinal channel 3 formed by a tube 4 of low-porosity material. / breathability, which may be from paper or sheet of reconstituted tobacco. The tube 4 may have a conventional diameter in the range of 0.5 to 5 mm. Also, a filter 5 is inserted into the paper wrapper 2 in the mouth end of the impermeable transverse insertion disk-shaped member 6 made of thermally stable material. Examples of materials from which the disk 6 may be formed include: aluminum, ceramics and plastics such as for example nylon, polyethylene, polypropylene or cellulose acetate. Preferably, the disk 6 has a low thermal capacity and may also have a low thermal conductivity, for example when it is made of ceramic or Nylon 66. Said disk 6 has a bumper surface 7 in its center which is surrounded by circumferential holes 8 having a typical diameter of 1 mm .

Between the inner end 9 of the tobacco rod 1 and the top of the disc 6 there is a chamber 10 in which the second disc 11 is located, which may also be made of the materials specified for the disc 6, and may be the same or different than the disc 6 depending on the disc. on a particular implementation. One or more (three are drawn) of the holes 12 of the small diameter are formed in the disc 11 and these have a channel of 3 material. 0.1 to 1 mm in diameter, preferably 0.4-1 mm in diameter. These openings act as acceleration nozzles as described below.

When smoking the article at the end 13 is ignited, it enters the chamber 10 through the nozzles 12. The flow rate of the nozzles 12 increases the smoke velocity that assists in the impact on the buffer surface 7 of the disk 6. This causes the particulate matter to be deposited in the buffer surface 7, which acts as a collector zone.

The hot gases from the ignited tip passing through the channel 3 are accelerated by the holes 12 and impinge on the punch surface 7 and thus sufficiently heat up the particulate matter collection zone to release the semi-volatile components which pass through the openings 8 into the filter 5a further to the smoker. into the collection zone before the impact due to the heat in the collection zone. The bumper surface 7 is typically positioned 2 mm of the blower 12. In the exemplary embodiment shown, the smoking body is positioned coaxially with the rod and may be moved to one side as desired. In the second exemplary embodiment shown in FIG. 5, the same reference numerals are used to refer to parts similar to those in FIGS. 1-4. In this embodiment, the means for collecting particulate matter in the smoking rod of the smoking material rod 1 is a high holding filter. Between the filter 15 and the rod end 9 of the smoking material there is a gap and the filter 15 is placed in the chamber 10 at the location of the second disc 11. Also, the disc 6 is removed. 15 and the filter 15 retains the particulate matter exclusively on the first few (ten) millimeters of filter material. This point is indicated by reference numeral 17. This retained particulate matter is again heated by the hot air or by the flue gas duct 3 as well as the previous embodiment. The second filter element 5 may be disposed at a certain distance from the filter 15 as it is drawn or may abut. Again, the hot air and the smoke heat the deposited particulate matter and release the volatile fractions which are then passed through the filter 5.

The second filter element 5 may have an active carbon additive to reduce the concentration of some gaseous smoke aerosol components.

If required, ventilation air may be supplied through the wrapper 2 to the filter 15 through the holes 18 to reduce the hot air / smoke of the middle portion of the filter.

Similarly, in the exemplary embodiment of Figure 1, the ventilating air may be fed through the apertures 19 in the container 2 to proaerodynamically direct the aerosol to the disc 6, thereby increasing filter efficiency.

Ventilation air can also be used to cool vaporized semi-volatile materials to allow reconstitution prior to delivery to the smoker, e.g.

Claims (9)

CLAIMS 1. A smoking article consisting of a stick of a smoking material and a filter portion, wherein the filter portion comprises means for collecting particulate matter in the smoke from the smoking material rod (1) in the collection zone, and means for heating the collection zone in order to release polyvalent components, allowing non-volatile components to be trapped in the filter (5). 3. A smoking article according to claim 1 wherein the smoking material rod (1) comprises a longitudinal channel (3) for supplying hot gases from the tip (13) of the ignited article to the collection zone. 3. A smoking article according to claim 2 wherein said collection zone is formed by a transversely inserted member (6) on which the particulate matter of the smoking material is deposited. 4. A smoking article according to claim 3 wherein said transversely inserted member is formed by a disc, the central portion of which forms a collection zone and is surrounded by one orifice outlet portions. 5. A smoking article according to claim 4, wherein the disc (6) is embedded in a coil (10) into which smoke from the smoking material is fed and into which the longitudinal passage (3) feeds. hot gases to the collection zone (7). 6. A smoking article as claimed in any one of claims 1 to 5, including means for accelerating hot gases from channel (3) to said collection zone (7). 7. A smoking article as claimed in claim 6, including means for accelerating hot gases from the channel (3) and smoke of the acquisition zone (7). 8. A smoking article as claimed in claim 6, wherein the means for accelerating hot gases or hot fumes and smoke is a second impermeable material disc having one or more apertures at a range of 0. , 1 to 1 mm. 9. A smoking article according to claim 2 wherein said collection zone (17) is a highly retaining filter element (15). 10. A smoking article according to claim 9, wherein a gap forming a chamber (10) adjacent to the collection zone (17) is provided between the high retention filter element (15) and the end of the smoking material rod (1). is a smoking material feeder and into which the longitudinal channel (3) supplies hot gases to the collection zone (17). 11. A smoking article according to any one of claims 1 to 10, that a secondary filter element (5) is disposed at the mouth end of the article. 12. A smoking article according to any one of claims 1 to 9, wherein the channel (3) in the smoking material rod (1) is a low porosity / breathability tube (4).