CN114760862A - Method for manufacturing logs and packs of cigarettes - Google Patents

Method for manufacturing logs and packs of cigarettes Download PDF

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Publication number
CN114760862A
CN114760862A CN202080081120.2A CN202080081120A CN114760862A CN 114760862 A CN114760862 A CN 114760862A CN 202080081120 A CN202080081120 A CN 202080081120A CN 114760862 A CN114760862 A CN 114760862A
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CN
China
Prior art keywords
paper
stack
moisture
web
sheets
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.)
Pending
Application number
CN202080081120.2A
Other languages
Chinese (zh)
Inventor
O·鲍尔康
S·列潘泽
R·利昂
R·赫维
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.)
Swamont Luxemburg
Original Assignee
Swamont Luxemburg
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
Application filed by Swamont Luxemburg filed Critical Swamont Luxemburg
Publication of CN114760862A publication Critical patent/CN114760862A/en
Pending legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/005—Treatment of cigarette paper
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/02—Cigars; Cigarettes with special covers
    • A24D1/022—Papers for roll-your-own cigarettes
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
    • D21H17/24—Polysaccharides
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
    • D21H17/24—Polysaccharides
    • D21H17/28—Starch
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
    • D21H17/24—Polysaccharides
    • D21H17/31—Gums
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H19/00—Coated paper; Coating material
    • D21H19/36—Coatings with pigments
    • D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H19/00—Coated paper; Coating material
    • D21H19/36—Coatings with pigments
    • D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
    • D21H19/54—Starch
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22—Addition to the formed paper
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22—Addition to the formed paper
    • D21H23/50—Spraying or projecting
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22—Addition to the formed paper
    • D21H23/52—Addition to the formed paper by contacting paper with a device carrying the material
    • D21H23/56—Rolls
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H5/00—Special paper or cardboard not otherwise provided for
    • D21H5/12—Special paper or cardboard not otherwise provided for characterised by the use of special fibrous materials
    • D21H5/14—Special paper or cardboard not otherwise provided for characterised by the use of special fibrous materials of cellulose fibres only
    • D21H5/16—Tobacco or cigarette paper

Landscapes

  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Paper (AREA)
  • Replacement Of Web Rolls (AREA)
  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)

Abstract

The present invention relates to a method for manufacturing logs, sheets and packs of cigarette paper and a method for manufacturing packs of cigarette paper.

Description

Method for manufacturing logs and packs of cigarettes
Technical Field
The present invention relates to a paper sheet for a cigarette.
Prior Art
The rolled sheets are generally rectangular in shape with adhesive tape applied along one of the long sides of the rectangle. These sheets are sold in booklets, each of which may contain about 100 sheets. To make a cigarette hand, the user removes one sheet from his booklet, places tobacco on the sheet, and then forms the cigarette hand by wetting the tape and overlaying it on the sheet.
Typically, a cigarette hand sheet is made by cutting a cigarette hand web into a cigarette hand wrap web having a width substantially equal to the width of the sheet. The tape was then applied longitudinally to one of the two long sides of the rolled paper of the cigarette hand, and the rolled paper was then dried. The dried web is then cut into rolled sheets.
The hand wrap paper exhibits a very low grammage and therefore may be easily torn during the process of making the paper sheet. One of the most delicate steps is the step of applying adhesive tape to the roll of paper. This is because this step is usually performed using a pressurized nozzle, which may easily tear the web. This is particularly true when the width of the roll paper is less than 10 cm. Further, the adhesive tape is placed along one of the long sides of the roll paper; a portion of the adhesive tape may be placed on the outside of the wrapper so that material is lost and the amount of adhesive tape is insufficient to form a cigarette.
Because of these problems, the conventional method of producing hand wrap paper must be frequently stopped. In these methods, the paper advance speed can also be optimized.
For all these reasons, the productivity of these processes is not optimal.
Technical problem
Accordingly, there is a need for an effective solution to increase the productivity of the process for making a rolled smoking sheet.
The inventors have therefore worked to find that this need can be met by applying several strips of moisture-activated tape to a paper web of a cigarette hand, and then cutting the strips into rolls.
Summary of the invention
Accordingly, a first aspect of the present invention is a process for making a hand wrap web comprising the steps of:
a) applying n strips of moisture-activated adhesive tape to a web of paper of a cigarette hand to obtain an adhesive web, each of the n strips of moisture-activated adhesive tape extending longitudinally, and
b) cutting the adhesive web longitudinally along n-1 strips of moisture-activated tape to obtain n rolled paper of cigarette hand, each rolled paper of cigarette hand comprising moisture-activated tape along one of the long sides, n being an integer greater than or equal to 2.
Different from the traditional process, in the traditional process, a single piece of moisture activation adhesive tape is directly placed on the hand cigarette paper roll, n pieces of moisture activation adhesive tapes are placed on the paper web of the hand cigarette paper by the method, and the width of the paper web is larger than that of the hand cigarette paper roll. With the process for manufacturing a handsheet according to the present invention, the risk of tearing the handsheet in step a) is lower than with conventional processes. Thus, the process of the present invention for making a hand wrap web does not have to be stopped frequently.
Applying n strips of moisture-activated adhesive tape to a sheet of paper hand wrap web, and then cutting the sheet of paper hand wrap web into n rolls of paper hand wrap is more effective than cutting a sheet of paper hand wrap web into n rolls of paper hand wrap and applying a single strip of adhesive tape to each of the n rolls of paper hand wrap web.
Furthermore, only one of the n moisture wetting tapes was applied to one of the long edges of the paper web. Thus, the method of the present invention makes it possible to greatly limit the loss of moisture-activated adhesive as compared to conventional methods.
Therefore, the productivity of the method for producing hand wrap paper of the present invention is higher than that of the conventional method for producing hand wrap paper.
Another aspect of the present invention is a method for making a hand cigarette sheet comprising the step of c) cutting the hand cigarette paper produced by the method for making hand cigarette paper of the present invention.
Another aspect of the invention is a method for making a booklet for a rolled smoking sheet comprising the step d1) of forming a stack of rolled smoking sheets manufactured by the method for making rolled smoking sheets of the invention.
Another aspect of the invention is a method for making a booklet of a handsheet comprising the steps of d2) forming a stack of handsheet paper rolls made by the method for making a handsheet wrap paper of the invention, followed by the step of e) cutting the stack of rolls.
The process of the present invention makes it possible to advantageously produce a rolled or sheet form of a cigarette hand paper comprising moisture-activated adhesive tape with a higher productivity than that of the conventional process.
Brief description of the drawings
FIG. 1 is a schematic view of a
Figure 1 shows the adhesive web obtained at the end of step a) of the method of the invention, to which 4 strips of moisture-activated adhesive tape are applied.
FIG. 2 is a schematic view of a display device
Figure 2 shows 4 logs obtained at the end of step b) of the method of the invention.
Detailed Description
The invention according to a first aspect is a method for making a hand wrap web, comprising the steps of:
a) applying n strips of moisture-activated adhesive tape to a web of paper of a cigarette hand to obtain an adhesive web, each of the n strips of moisture-activated adhesive tape extending longitudinally, and
b) cutting the bonded web longitudinally along n-1 moisture-activated tapes to obtain n rolled cigarette paper rolls, each containing moisture-activated tapes along one of the long sides, n being an integer greater than or equal to 2.
Within the meaning of the present invention, the term "hand wrap" is understood to be a paper for cigarettes. It can be made from wood pulp, tobacco fiber, hemp fiber, flax fiber, sisal fiber, cocoa bean protecting shell fiber, hemp fiber, straw, alpha grass (alfa grass) fiber, and mixtures thereof. The hand wrap paper exhibits a lower grammage and is thinner than the paper of a cigarette on sale. For example, the grammage of the roll paper measured on the outside of the tape may be 10g/m 2To 50g/m2In particular 12g/m2To 25g/m2More particularly 13g/m2To 15g/m2. The thickness of the paper wrapper may be from 5 microns to 100 microns, particularly from 10 microns to 60 microns, more particularly from 20 microns to 50 microns.
Within the meaning of the present invention, the term "paper web of a cigarette hand paper" is understood to mean a cigarette hand paper as described above, which, once the paper web is unwound, is substantially rectangular in shape. Typically, the rectangle has a length of several tens of meters, or even several kilometers, and a width greater than or equal to 0.6m, in particular greater than or equal to 1m, more in particular greater than or equal to 1.2m, more in particular greater than or equal to 1.5 m.
Within the meaning of the present invention, the term "hand wrap web" is understood to mean a hand wrap web as described above which, once unrolled, is generally rectangular in shape and may contain moisture activated adhesive tape along one of the long sides of the rectangle. The width of the rectangle is substantially equal to the width of the rolled sheet, i.e. 30mm to 75mm, especially about 36mm, about 44mm or about 53 mm. Typically, the length of the rectangle is from a few hundred meters to a few kilometers, for example 1000m to 15000 m, especially 3000m to 10000 m, very especially 5000m to 8000 m. The length of the rectangle can also be ten meters or more than tens of meters; in this case, the sheet is called a roll. The length of the rectangle can be more than one meter; in this case, the sheet is called a ream.
Moisture activated tapes (also referred to as tapes) comprise a moisture activated adhesive.
Within the meaning of the present invention, the term "moisture-activated adhesive" is understood to mean a compound which exhibits adhesive properties on contact with water or moisture, such as saliva. The moisture activated adhesive (also referred to as a binder) may be any type of adhesive known to those skilled in the art. For example, the binder may be selected from sugar solutions, modified or unmodified polysaccharides, gums and mixtures thereof, especially gums.
As modified or unmodified polysaccharides, mention may be made of starches, alginates, dextrins, cyclodextrins or mixtures thereof.
Gums may be natural or synthetic. Examples of natural gums are gum arabic (acacia gum), gum arabic (gum arabic), guar gum, karaya gum or pectin, especially gum arabic.
The mass concentration of the moisture-activated adhesive in the adhesive tape of the hand wrap web may be, for example, at least 95%, particularly at least 97%, more particularly at least 99%, and even more particularly 100%, without regard to the hand wrap.
The tape may also contain additives to impart properties to the tape other than adhesion.
For example, the additive may be a plasticizer, a defoamer, a pigment, an aromatic compound or a mixture thereof, especially a plasticizer, a defoamer or a mixture thereof.
Sorbitol is an example of a plasticizer that can be used in the context of the present invention.
As pigments, mention may be made of natural or artificial food pigments, in particular natural food pigments. Caramel, chlorophyllin, pigments from paprika, pigments from beetroot, carotenes, pigments from turmeric, cochineal, pigments from redwood seeds, lutein, pigments from sunflower, anthocyanins, pigments from malt, charcoal and thermoluminescent pigments are examples of natural food pigments.
The aromatic compound may be selected from the group consisting of glycosylated modified flavors, coated flavors (cyclodextrin, film or matrix), natural flavors, and mixtures thereof. The aromatic compound may be chosen in particular from EVG, emanate, synthetic or natural Cannabidiol (CBD), synthetic or natural Tetrahydrocannabinol (THC), terpenes and mixtures thereof.
The grammage of the tape depends on the technique used in step a). Typically, the grammage of the tape (excluding the hand wrap) is less than 8g/m2In particular 5.5g/m2To 7.5g/m2More particularly 5g/m2To 6.5g/m2。
The grammage of the adhesive tape was determined by weighing 1m on a roll of adhesive-free paper2Weight of area by weighing 1m on roll paper of tape-containing paper2The weight of the area is determined by subtracting the two weights.
Typically, the tape has a width of from 1mm to 10mm, especially from 4mm to 8mm, more especially from 5mm to 7 mm.
The tape may have a continuous or discontinuous form.
As the form of the continuous form, a straight line, a zigzag, or a wave shape may be mentioned.
Examples of non-continuous forms are geometric shapes, non-continuous lines of markings or mixtures thereof. The wire may be straight or curved.
Examples of geometric shapes are polygons, circles, ellipses, ovals, or mixtures thereof. The polygon may be a triangle, a quadrilateral such as a square, a rectangle or a rhombus, a pentagon, a hexagon or an octagon.
The logo may be the logo of a manufacturer of handsheets.
According to one embodiment, n is an integer lower than 100, in particular from 30 to 55.
Step a) can be carried out, for example, at a paper advance speed greater than or equal to 70m/min, in particular greater than or equal to 100m/min, more in particular greater than or equal to 150m/min, still more in particular greater than or equal to 200 m/min.
Step a) may be carried out by any technique known to the person skilled in the art. For example, step a) may be carried out with water activating the binding liquid and by techniques such as etching, flexographic printing, photoengraving, flexographic, gravure, spray coating, wetting and dipping, in particular flexographic printing, photoengraving, flexographic and gravure. Each of these techniques may be performed after drying.
According to a particular embodiment, step a) is carried out by flexographic printing, followed by drying, if desired.
Flexographic printing is a relief printing process known to those skilled in the art in which a flexographic relief (referred to as a negative) is impregnated with a printing fluid and the substrate (substrate) and the impregnated negative are brought into contact so that the printing fluid is applied to the substrate.
In the context of the present invention, flexographic printing advantageously brings n backsheets impregnated with a moisture-activated adhesive solution into contact with the rolled smoking paper web so that n adhesive stripes can be applied to the rolled smoking paper web.
Flexographic printing also allows the paper to be advanced four times faster than conventional methods. Therefore, the productivity of the method for producing a hand wrap paper roll of the present invention is therefore higher than that of the conventional method.
In addition to speed and use of n negatives, flexographic printing is a gentle application method that can greatly reduce the risk of tearing the hand wrap web when performing step a).
Among other advantages offered by flexographic printing, the accuracy, simplicity and low cost price of the negative can be mentioned.
In addition, flexographic printing is a flexible process which makes it possible to obtain an adhesive tape, the shape of which depends on the shape of the negative.
Further, the tensile strength in the longitudinal and transverse directions of the roll paper produced after the step a) is performed by flexographic printing is greater than that of the roll paper produced by the conventional method. Therefore, the roll paper produced after the step a) is carried out by flexographic printing can be more easily used in steps subsequent to the roll paper production method of the present invention, such as, for example, a step of cutting the roll paper into sheets, or a step of forming a stack of roll paper, followed by a step of cutting the stack into a stack of sheets.
The moisture-activated adhesive liquid (also referred to as an adhesive liquid) comprises a moisture-activated adhesive. The mass concentration of the moisture-activated binder in the binding liquid may be 30% to 60%, particularly 32% to 45%, more particularly 35% to 40%.
The binding liquid is typically an aqueous solution. The moisture-activated glue solution may also contain additives as described above.
According to a particular embodiment, the binding liquid may comprise a moisture-activated binder, a plasticizer and a defoamer, and the mass concentration of the moisture-activated binder is from 30% to 50%, the mass concentration of the plasticizer is from 0.1% to 0.5%, and the mass concentration of the defoamer is from 0.5% to 1%.
Fig. 1 shows an adhesive web 1 to which 4 strips of adhesive tape 2 are applied at the end of step a) of the method of the invention.
The step b) of cutting the bonded web is a conventional cutting step known to the person skilled in the art. Thus, one skilled in the art would know how to adapt the process of the present invention for making a hand wrap paper wrapper.
The cutting step b) can be carried out, for example, at a paper advance speed greater than or equal to 100m/min, in particular greater than or equal to 500m/min, more particularly greater than or equal to 750m/min, still more particularly greater than or equal to 1000 m/min.
Figure 2 shows 4 cigarette paper rolls 11, each roll 11 containing adhesive tape 2 along one of the two long sides.
The paper wrapper produced by the process of the present invention may be cut into a rolled smoking sheet which is then used to form a rolled smoking article.
Accordingly, another aspect of the present invention is a process for making a handsheet comprising the step of c) cutting at least one handsheet wrap paper produced by the process for making a handsheet wrap paper as described above to produce a handsheet.
Within the meaning of the present invention, the term "rolled smoking sheet" is understood to mean a rolled smoking sheet as described above, which is generally rectangular in shape and comprises adhesive tape as described above along one of the long sides of the rectangle. Typically, the rectangle is 50mm to 110mm in length, while its width may vary from 30mm to 75 mm.
The step c) of cutting the hand wrap web is a conventional cutting step known to those skilled in the art. Thus, one skilled in the art would know how to adapt the process of the present invention for making a hand wrap paper wrapper.
The handsheet produced by the method of the present invention is typically sold in the form of a booklet.
The invention therefore also relates to a method for making a booklet for a rolled smoking sheet comprising the step d1) of forming a stack of rolled smoking sheets manufactured by the method for making rolled smoking sheets of the invention.
The forming step d1) may be carried out, for example, by stacking the handsheet one on top of the other or by inserting one between the two.
For example, the forming step d1) can be carried out by inserting sheets of paper using the equipment commercial product sold by IMAtec of lucenberg.
According to one embodiment, the stack of sheets formed after step d1) may be subjected to an interlocking step to form a stack of interlocked sheets.
The stack of sheets, either interlocked or not, may then be placed in a suitcase.
The invention therefore also relates to a process for making a booklet of a rolled toilet paper sheet, comprising the steps of d2) forming a stack of rolled toilet paper sheets produced by the process for making rolled toilet paper sheets of the invention, followed by the step of e) cutting the stack.
In step d2), the wrap stack may be formed by unrolling a cigarette paper wrap and stacking the unrolled cigarette paper wrap on a bobbin by bobbin, or by interposing an unrolled cigarette paper wrap between two unrolled cigarette paper wraps.
According to one embodiment, the stack of sheets formed in step e) of cutting the stack of rolls may be subjected to an interlocking step to form a stack of interlocked sheets.
According to one embodiment, the stack of rolls formed in step d2) may be subjected to an interlocking step prior to the cutting step to form a stack of interlocked sheets.
The stack of sheets, either interlocked or not, may then be placed in a suitcase.
Examples
Example 1 according to the invention
An aqueous solution of gum arabic was applied to the web of the toilet paper by flexographic printing such that 4 strips of tape extended longitudinally. The web was subsequently dried and then cut to obtain 4 rolls of paper, each comprising a tape comprising gum arabic.
The web is then cut into sheets.
Each sheet was rectangular, 110mm long and 44mm wide, with a continuous strip of tape along one of the two long sides of the sheet.
By this method, a sheet was produced at a speed of 200 m/min.
Comparative example 2
A paper web was cut into 4 rolls.
An aqueous solution of gum arabic is applied to each hand cigarette paper wrap through a nozzle. Each web was then dried and then cut into sheets.
Each sheet was rectangular, 110mm long and 44mm wide, with a continuous strip of tape along one of the two long sides of the sheet.
Paper sheets were produced according to the method of comparative example 2 at a rate of 55 m/min.
Thus, the process for making paper sheets of example 1 (according to the invention) was four times faster than the process for making paper sheets of example 2 (comparative).
Thus, the productivity of the process described in example 1 is higher than that of the process described in example 2.

Claims (13)

1. A process for making a hand wrap web comprising the steps of:
a) applying n strips of moisture-activated tape to the web of hand cigarette paper to obtain an adhesive web, each of the n strips of moisture-activated tape extending longitudinally, and
b) cutting the adhesive web longitudinally along n-1 strips of moisture-activated tape to obtain n rolled paper of cigarette hand, each rolled paper of cigarette hand comprising moisture-activated tape along one of the long sides, n being an integer greater than or equal to 2.
2. The method of claim 1 wherein the moisture-activated binder is selected from the group consisting of sugar solutions, polysaccharides, starches and gums, and mixtures thereof.
3. The method according to claim 1 or claim 2, wherein said step a) is carried out with water activating the binding liquid and by techniques such as etching, flexographic printing, photoengraving, flexographic, gravure, spraying, wetting and dipping, in particular flexographic printing, photoengraving, flexographic and gravure.
4. The method according to any one of claims 1 to 3, wherein the step a) is performed by flexographic printing.
5. The method of any one of claims 1 to 4 wherein the moisture activated tape exhibits a grammage of less than 8g/m 2.
6. The method of any one of claims 1 to 5, wherein the moisture activated tape exhibits a continuous form or a non-continuous form.
7. The method of claim 6, wherein the continuous form is selected from a straight line, a zig-zag, or a wave.
8. The method of claim 6, wherein the non-continuous form is selected from a non-continuous line of polygons, a geometric shape, a non-continuous line of symbols, or a mixture thereof.
9. A process for making a handsheet comprising the step of c) cutting the handsheet wrapper made by the process of any one of claims 1 to 8 to produce a handsheet.
10. A method of making a booklet for a rolled smoking sheet comprising the step d1) of forming a stack of rolled smoking sheets manufactured by the method of claim 9.
11. A method of making booklets for a rolled smoking sheet comprising the steps of d2) forming a stack of rolled smoking sheets made by the method of any one of claims 1 to 8 followed by the step of e) cutting the stack to form a stack of sheets.
12. A method according to claim 10 or claim 11, wherein the stack of sheets formed in step d1) or step e) of cutting the web of stack is subjected to an interlocking step to form a stack of interlocked sheets.
13. The method according to claim 11, wherein the web formed in step d2) is subjected to an interlocking step to form a stack of interlocked sheets prior to the step of cutting the stack.
CN202080081120.2A 2019-11-28 2020-11-27 Method for manufacturing logs and packs of cigarettes Pending CN114760862A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FRFR1913398 2019-11-28
FR1913398A FR3103685A1 (en) 2019-11-28 2019-11-28 Manufacturing process for reels and notebooks of rolling cigarette paper sheets
PCT/EP2020/083808 WO2021105485A1 (en) 2019-11-28 2020-11-27 Method for manufacturing rolls and packs of paper sheets for roll-your-own cigarettes

Publications (1)

Publication Number Publication Date
CN114760862A true CN114760862A (en) 2022-07-15

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Application Number Title Priority Date Filing Date
CN202080081120.2A Pending CN114760862A (en) 2019-11-28 2020-11-27 Method for manufacturing logs and packs of cigarettes

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US (1) US20230217988A1 (en)
EP (1) EP4064880A1 (en)
JP (1) JP2023503671A (en)
KR (1) KR20220110236A (en)
CN (1) CN114760862A (en)
AU (1) AU2020391948A1 (en)
CA (1) CA3159233A1 (en)
FR (1) FR3103685A1 (en)
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