EP0069467B1 - Procédé d'utilisation de poussière de tabac - Google Patents

Procédé d'utilisation de poussière de tabac Download PDF

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Publication number
EP0069467B1
EP0069467B1 EP19820302905 EP82302905A EP0069467B1 EP 0069467 B1 EP0069467 B1 EP 0069467B1 EP 19820302905 EP19820302905 EP 19820302905 EP 82302905 A EP82302905 A EP 82302905A EP 0069467 B1 EP0069467 B1 EP 0069467B1
Authority
EP
European Patent Office
Prior art keywords
dust
tobacco
sheet
aqueous medium
water
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
EP19820302905
Other languages
German (de)
English (en)
Other versions
EP0069467A3 (en
EP0069467A2 (fr
Inventor
Grant Gellatly
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Philip Morris Products Inc
Original Assignee
Philip Morris Products Inc
Philip Morris USA Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US06/270,450 external-priority patent/US4421126A/en
Application filed by Philip Morris Products Inc, Philip Morris USA Inc filed Critical Philip Morris Products Inc
Publication of EP0069467A2 publication Critical patent/EP0069467A2/fr
Publication of EP0069467A3 publication Critical patent/EP0069467A3/en
Application granted granted Critical
Publication of EP0069467B1 publication Critical patent/EP0069467B1/fr
Expired legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/10—Chemical features of tobacco products or tobacco substitutes
    • A24B15/12—Chemical features of tobacco products or tobacco substitutes of reconstituted tobacco

Definitions

  • This invention pertains to the field of smoking materials. More particularly, the present invention concerns a method for preparing a smoking material with reconstituted tobacco having tobacco dust incorporated therein.
  • tobacco fines and dust are generally formed.
  • This material generally less than about one centimeter in size, is recovered from air filters, tobacco screens and other separating systems.
  • tobacco fines or dust have commonly been discarded or employed in conjunction with other tobacco by-products, such as stems, stalks and leaf scraps resulting from the stripping of leaf tobacco, in the preparation of reconstituted tobacco material.
  • a method of utilizing tobacco dust in which tobacco component feed stock is slurried in an aqueous medium and formed into sheets, and the dust is applied as a coating to the formed sheet before it is dry, is described in US ⁇ A ⁇ 3 141 462.
  • tobacco waste particles such as stems or slivers are broken down or separated into fibres and mixed with tobacco fines or dust and a relatively small quantity of water to form a thick slurry, which cannot flow or be poured onto a paper-making wire. Instead it is deposited by spraying to form a layer, which is subjected to a squeezing operation, aided by suction, to remove excess water, and is then dried to produce a flexible sheet.
  • Tobacco dust may also be handled separately and sprayed or sifted onto the wet layer prior to drying.
  • the paper-making type process for making reconstituted tobacco material has many advantages over the alternative belt method, and is consequently the preferred method, it nevertheless does suffer from the disadvantage of not being able to efficiently and conveniently employ tobacco dust by-products.
  • This invention now provides a method for economically utilizing tobacco dust by-products in a paper-making type process for making reconstituted tobacco.
  • This method not only reduces the loss of the dust through the wire screen when the screen openings are too large and further more reduces clogging and/or plugging of the screen openings when these openings are too small, but additionally, the method of the present invention actually increases the rate of drainage through the wire screen correspondingly increasing the rate of production of-the reconstituted tobacco sheet and improving its quality by allowing better refining of the remaining tobacco stem feedstock.
  • the method of this invention is characterised in that, in the method identified above for utilizing tobacco dust, the sheet is formed by a paper making process, and the tobacco dust is dispersed uniformly in a second aqueous medium and applied to the sheet as an aqueous dispersion.
  • tobacco dust is admixed with the extract liquor which has been concentrated in steam evaporators after recovery from extraction presses.
  • the mixture is then passed through a homogenizer or mixer to refine and uniformly disperse the particles in the concentrated extract.
  • the viscous product is applied to the reconstituted tobacco web which has been removed from the Fourdrinier wire, and the coated web is then dried in the usual fashion. Final cutting, shredding, and blending into cigarette filler or the like is conventional.
  • the method for utilizing tobacco dust in the preparation of reconstituted tobacco employing a paper-making process calls for certain modifications in the usual process.
  • Tobacco dust by-product material is first collected. It may be used totally apart from the Fourdrinier feedstock, or a portion may be sent with the stems while the remainder is kept for the coating preparation. This separated fines fraction is blended with concentrated extract as will be described below.
  • the said feedstock is diluted with 500 to 600 parts of water per 100 parts of solids and is passed into refiners which beat the stems to form a smooth, well-blended fiber slurry.
  • This is concentrated in an extraction press by removal of about five-sixths of the liquid extract which is sent to the concentrators.
  • steam heating vaporizes a portion of the water.
  • the stock from the press is diluted with white-water from the Fourdrinier to a consistency which is suitable for application to the wire at the headbox of the Fourdrinier. That part of the process is conventional in the extract-recombine papermaking reconstitution process.
  • the concentrated extract is blended with the separated dust fraction in preparation of a coating for reapplication, by any of the following alternatives:
  • the coating is applied to the formed moving tobacco web ahead of the dryers, at or near the point where the sizing press is located in the basic process.
  • the application may be by a roll coater, reverse roll coater, blade coater, high-pressure spray, or any similar means for applying viscous liquid to a running web.
  • the reconstituted tobacco sheet is not sticky and does not shed dust before, during, or after cutting, to any greater degree than the conventional reconstituted product.
  • the maximum acceptable particle size in the coating depends on both adherence of the particle to the web and aesthetics of the coated web. Particles of 1000 microns and larger will adhere. However, particles this large give the coated web a sandpaper like texture and appearance. A smaller particle size gives a corresponding smoother appearance closer to that of leaf.
  • the dust may be dispersed in water in place of extract and applied for one of the three alternative treatments described.
  • the addition of a gum to the water is optional.
  • cylinder volume is a measure of the relative filling power of tobacco or reconstituted tobacco for making smoking products. Higher cylinder volume means higher filling power, or capacity to make more satisfactory cigarettes with a given unit weight.
  • organ volatiles describes a measure of the approximate moisture content (or percentage of moisture) in tobacco or reconstituted tobacco. As used throughout this specification, the values employed to characterize tobacco or reconstituted tobacco, in connection with these terms, are determined as follows:
  • Tobacco or reconstituted tobacco filler weighing 10.000 g is placed in a 3.358-cm diameter cylinder and compressed by a 1875-g piston 3.335 cm in diameter for five minutes. The resulting volume of filler is reported as cylinder volume. This test is carried out at standard environmental conditions of 24°C and 60% RH; conventionally unless otherwise stated, the sample is preconditioned in this environment for 18 hours.
  • Oven-volatiles content (OV)
  • the sample of tobacco or reconstituted tobacco is weighed before and after exposure for 3 hours in a circulating air oven controlled at 100°C (212°F).
  • the weight loss as percentage of initial weight is the oven-volatiles content.
  • the OV after equilibration has significance in comparing properties of smoking materials at the same conditions.
  • Materials are, generally, equilibrated (reordered) at conditions which are well known in the trade. Equilibrating is preferably done at standard conditions, which generally involve maintaining the tobacco at a temperature of 24°C (75°F) and 60% RH (relative humidity) for at least 18 hours.
  • Hot-water solubles HWS
  • “Longs” are defined as filler particles held back by 1.91 mm (0.075-inch) screen openings. “Mediums” are particles which are held back by 0.86 mm (0.034-inch) screen openings. “Shorts” are held back by 0.51 mm (0.020-inch) openings. “Smalls” are held back by 0.28 mm (0.011-inch) openings. “Fines” pass through that screen.
  • Test smoking by machine was done according to the FTC method as described by Pillsbury et al., J. Assoc. Offic. Anal. Chemists 52: 458 ⁇ 462 (1969).
  • Reconstituted tobacco was made by an extract-recombine paper-making process from a stem and fines feedstock containing approximately 37% by weight of fines. This will be considered the control.
  • approximately 54% of the fines including dust was withdrawn from the feedstock and the web was prepared while the extract liquor was diverted from the sizing press.
  • the fines which had been withdrawn were combined with the extract liquor which had first been concentrated to approximately 45% solubles, and the combination was passed through a Gaulin homogenizer.
  • the product was applied by a blade coater at various loadings to one side of the reconstituted sheet which was then passed through the drying system and shredded as filler. It was observed that the coating did not appreciably impregnate the web, but remained essentially on the surface where applied. Test results and OV and solubles analysis are given in Table I. Some web was also coated on both sides.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacture Of Tobacco Products (AREA)
  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)
  • Paper (AREA)

Claims (8)

1. Procédé d'utilisation de poussière de tabac dans lequel une matière première à base de tabac est mise en suspension dans un milieu aqueux et façonnée en feuille et la poussière est appliquée comme enduit sur la feuille façonnée avant qu'elle soit sèche, caractérisé en ce que la feuille est façonnée par un procédé du type papeterie et en ce que la poussière de tabac est dispersée uniformément dans un second milieu aqueux et appliquée à la feuille sous forme de dispersion aqueuse.
2. Procédé selon la revendication 1, caractérisé en ce que la poussière est séparée de la matière première avant que la matière première restante soit en suspension dans un milieu aqueux.
3. Procédé selon la revendication 1 ou 2, caractérisé en ce que la phase liquide séparée de la suspension raffinée avant la formation de la feuille est concentrée et employée pour fournir le second milieu aqueux.
4. Procédé selon l'une quelconque des revendications 1 à 3, caractérisé en ce que la poussière et le second milieu aqueux sont homogénéisés pour réduite les dimensions des fines non dissoutes à moins de 50 microns.
5. Procédé selon l'une quelconque des revendications 1 à 3, caractérisé en ce que la dispersion de la poussière est réalisée par introduction de phosphate diammonique avec agitation.
6. Procédé selon l'une quelconque des revendications 1 à 5, caractérisé en ce que la dispersion est appliquée avec un rouleau d'enduction ou une lame d'enduction.
7. Procédé selon l'une quelconque des revendications 1 à 6, caractérisé en ce que la matière première est mise en suspension avec de l'eau.
8. Procédé selon l'une quelconque des revendications 1 à 7, caractérisé en ce que la feuille est formée sur une machine de papeterie à partir de laquelle on récupère les eaux blanches et dans laquelle la plus grande partie de la phase liquide est retirée de la suspension raffinée et au moins une partie de la phase liquide retirée est remplacée par les eaux blanches.
EP19820302905 1981-06-04 1982-06-04 Procédé d'utilisation de poussière de tabac Expired EP0069467B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US27047681A 1981-06-04 1981-06-04
US270476 1981-06-04
US06/270,450 US4421126A (en) 1981-06-04 1981-06-04 Process for utilizing tobacco fines in making reconstituted tobacco
US270450 1981-06-04

Publications (3)

Publication Number Publication Date
EP0069467A2 EP0069467A2 (fr) 1983-01-12
EP0069467A3 EP0069467A3 (en) 1983-03-09
EP0069467B1 true EP0069467B1 (fr) 1987-11-19

Family

ID=26954308

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19820302905 Expired EP0069467B1 (fr) 1981-06-04 1982-06-04 Procédé d'utilisation de poussière de tabac

Country Status (9)

Country Link
EP (1) EP0069467B1 (fr)
AR (1) AR241571A1 (fr)
AU (1) AU553427B2 (fr)
BR (1) BR8203288A (fr)
CA (1) CA1182024A (fr)
DE (1) DE3277680D1 (fr)
EG (1) EG16267A (fr)
FI (1) FI70777C (fr)
PH (1) PH21985A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4989620A (en) * 1982-12-30 1991-02-05 Philip Morris Incorporated Method and apparatus for coating extruded tobacco-containing material
US4874000A (en) * 1982-12-30 1989-10-17 Philip Morris Incorporated Method and apparatus for drying and cooling extruded tobacco-containing material
US4611608A (en) * 1984-01-13 1986-09-16 Naarden International N.V. Process for utilizing tobacco dust
EP2846651B1 (fr) * 2012-05-09 2024-01-03 Lanig Le Bec Produit à base de tabac qui produit un rapport de monoxyde de carbone à goudron plus faible
CN103445284B (zh) * 2013-08-23 2015-08-12 山东瑞博斯烟草有限公司 造纸法再造烟叶生产线的双联液压打包机及其工作方法
DE102018123911A1 (de) 2018-09-27 2020-04-02 Hauni Maschinenbau Gmbh Flachbahn aus rekonstituiertem Tabakmaterial und Verfahren zum Herstellen einer solchen Flachbahn
CN112663395B (zh) * 2020-12-14 2022-11-29 河南卷烟工业烟草薄片有限公司 一种加热不燃烧卷烟的烟草基材的制备方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2485670A (en) * 1942-06-09 1949-10-25 Int Cigar Mach Co Method for producing tobacco web material
GB817832A (en) * 1955-12-21 1959-08-06 Imp Tobacco Company Ltd Improved method of treating tobacco
FR1175322A (fr) * 1957-05-17 1959-03-24 Anciens Etablissements Braunst Nouvelle feuille de tabac reconstituée et son procédé de fabrication
US3141462A (en) * 1961-09-22 1964-07-21 Lorillard Co P Processing tobacco

Also Published As

Publication number Publication date
FI821980A0 (fi) 1982-06-03
PH21985A (en) 1988-05-02
DE3277680D1 (en) 1987-12-23
FI70777B (fi) 1986-07-18
FI70777C (fi) 1986-10-27
EP0069467A3 (en) 1983-03-09
AU553427B2 (en) 1986-07-17
BR8203288A (pt) 1983-05-24
AR241571A1 (es) 1992-09-30
CA1182024A (fr) 1985-02-05
AU8443682A (en) 1982-12-09
EG16267A (en) 1989-01-30
EP0069467A2 (fr) 1983-01-12

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