EP0993367B1 - Method and machine for making wound carton tubes, and tubes therefrom - Google Patents
Method and machine for making wound carton tubes, and tubes therefrom Download PDFInfo
- Publication number
- EP0993367B1 EP0993367B1 EP98930654A EP98930654A EP0993367B1 EP 0993367 B1 EP0993367 B1 EP 0993367B1 EP 98930654 A EP98930654 A EP 98930654A EP 98930654 A EP98930654 A EP 98930654A EP 0993367 B1 EP0993367 B1 EP 0993367B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- adhesive
- carton
- sheet material
- sheet
- mandrel
- 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 - Lifetime
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31C—MAKING WOUND ARTICLES, e.g. WOUND TUBES, OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31C3/00—Making tubes or pipes by feeding obliquely to the winding mandrel centre line
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31C—MAKING WOUND ARTICLES, e.g. WOUND TUBES, OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31C11/00—Machinery for winding combined with other machinery
- B31C11/04—Machinery for winding combined with other machinery for applying impregnating by coating-substances during the winding
Definitions
- the present invention relates to a method of making carton tubes as defined in claim 1.
- Methods of the kind referred to above start with providing a wide sheet of carton material. This wide sheet is then divided into strips of a width that is suitable for making the tubes. The strips are coated with an adhesive and advanced towards and onto a mandrel to form carton tubes.
- FR-A-1,301,954 discloses a method in which blanks are first cut and then the blanks are fully coated on one side with an adhesive. After the blanks are wound onto a mandrel, the adhesive is activated.
- the object of the present invention to provide a method of the kind referred to above, with which it is possible to make carton tubes or similar articles in a process not requiring constant supervision, and this object is achieved with a method of said kind, according to the present invention exhibiting the features set forth in claim 1.
- the process of applying the adhesive to the sheet material can take place, so that no adhesive in a condition, in which it can be deposited in an undesired manner on parts of the machine, will be present in the latter in any step of the method.
- the wide sheet material will be provided with a coat of adhesive at some central location comprising specialized equipment for applying adhesive to the sheet material and winding the latter with the adhesive in a non-tacky state into rolls.
- the adhesive is a water-soluble adhesive.
- the present invention also relates to
- Figure 1 shows a supply of wide sheet carton material.
- Figure 2 shows the strip material being advanced onto the mandrel.
- a wide sheet of carton material 10 as shown in Figure 1 has peripheral areas 11.
- the wide sheet carton material is coated with an adhesive that is normally not tacky but which can be made tacky by an activating step. When the adhesive is applied to coat the sheet it is normally in an active state. Therefore, the peripheral areas 11 are left uncoated. In this way, no adhesive is spilled during the coating process.
- the coated wide sheet carton material 10 can then be accumulated, preferably in the form of rolls 12.
- the wide sheet carton material 10 is divided into sections of strip material 3 as indicated by the intersected lines in Figure 2.
- the sections originating from the peripheral areas are not further processed and can be recycled.
- the other fully coated sections 3 can be accumulated, preferably in the form of rolls 1.
- the fully coated sections 3 are further processed in an apparatus as shown in Figure 2.
- the adhesive is water-soluble and consequently the coated strips and the finished rolls are fully recyclable.
- the method of making carton rolls according to the present invention is thus highly environmentally friendly.
- the carton strip 3 has previously been coated with a thin layer of adhesive of the type that can be made to change from a non-tacky to a tacky state, the non-tacky state being the state within the roll 1 and along the strip 3 as far as the activating unit 5.
- the adhesive on the strip 3 is changed into the tacky state, in which it remains until having been incorporated in the carton tube 8. From that point, the process of removing the tube 8 from the mandrel 7 continues in any suitable manner.
- the roll 1 is manufactured in much the same manner as known tape rolls with a coat of adhesive in an inactive state, such as dry water-soluble adhesive, used e.g. for closing and sealing cardboard boxes.
- a supply of carton strip without adhesive e.g. a roll of carton strip as supplied by a manufacturer of such strip, is placed in a suitable unwinding stand or the like, and then pulling the far end of the strip through
- the activating unit 5 is placed at some distance from the mandrel 7, but it may just as well be placed close to it, provided - of course - that its activating function is not compromised.
- a dried, water-soluble adhesive is used on the strip 3
- the activating unit 5 - in the form of a heat source (not shown) - may be placed closer to the mandrel 7, even some distance downstream from the winding-on point 9, i.e. down and to the right along the mandrel 7.
- the strip 3 is wound helically about the mandrel 7, the latter having a circular cross section allowing it to remain stationary.
- the scope of the invention does, however, extend to processes differing from the one illustrated.
- a strip may be wound in parallel layers on top of each other, either on a round mandrel to form a short cylindrical tube, or on a rotating mandrel having, say, a square, rectangular or other polygonal cross section, so as to form the side walls in a box.
- a single strip 3 coated with adhesive on one side is used for making the tube 8.
- the scope of the invention does, however, extend to processes based on two or more strips, of which one or more may not have a coat of adhesive, whereas one or more may have such a coat on both sides, so that the strips are made to interleave in a suitable manner for forming e.g. a tube.
Abstract
Description
- The present invention relates to a method of making carton tubes as defined in claim 1.
- Methods of the kind referred to above start with providing a wide sheet of carton material. This wide sheet is then divided into strips of a width that is suitable for making the tubes. The strips are coated with an adhesive and advanced towards and onto a mandrel to form carton tubes. FR-A-1,301,954 discloses a method in which blanks are first cut and then the blanks are fully coated on one side with an adhesive. After the blanks are wound onto a mandrel, the adhesive is activated.
- When making carton tubes in this manner, problems frequently arise due to surplus adhesive being deposited on machine parts, such as scrapers or guides, eventually preventing the machine from operating properly, unless care is taken to remove the adhesive thus having been deposited. In practice this means that the operation must be under constant or at least frequent supervision.
- It is the object of the present invention to provide a method of the kind referred to above, with which it is possible to make carton tubes or similar articles in a process not requiring constant supervision, and this object is achieved with a method of said kind, according to the present invention exhibiting the features set forth in claim 1. By proceeding in this manner, the process of applying the adhesive to the sheet material can take place, so that no adhesive in a condition, in which it can be deposited in an undesired manner on parts of the machine, will be present in the latter in any step of the method. Preferably, the wide sheet material will be provided with a coat of adhesive at some central location comprising specialized equipment for applying adhesive to the sheet material and winding the latter with the adhesive in a non-tacky state into rolls.
- In a preferred embodiment the adhesive is a water-soluble adhesive.
- The present invention also relates to
- a machine for making carton tubes by carrying out the method, set forth in
claim 12. - In the following detailed part of the present description, the invention will be explained in more detail with reference to the drawings, in which the principle of the method according to the invention is illustrated using a bare minimum of diagrammatically shown components. Figure 1 shows a supply of wide sheet carton material. Figure 2 shows the strip material being advanced onto the mandrel.
- A wide sheet of
carton material 10 as shown in Figure 1 hasperipheral areas 11. The wide sheet carton material is coated with an adhesive that is normally not tacky but which can be made tacky by an activating step. When the adhesive is applied to coat the sheet it is normally in an active state. Therefore, theperipheral areas 11 are left uncoated. In this way, no adhesive is spilled during the coating process. The coated widesheet carton material 10 can then be accumulated, preferably in the form ofrolls 12. - The wide
sheet carton material 10 is divided into sections of strip material 3 as indicated by the intersected lines in Figure 2. The sections originating from the peripheral areas are not further processed and can be recycled. The other fully coated sections 3 can be accumulated, preferably in the form of rolls 1. The fully coated sections 3 are further processed in an apparatus as shown in Figure 2. In the preferred embodiment the adhesive is water-soluble and consequently the coated strips and the finished rolls are fully recyclable. The method of making carton rolls according to the present invention is thus highly environmentally friendly. - The parts of and accessories to an apparatus according to the invention shown in Figure 2 are
- a roll 1 rotatable about
- an
axis 2 so as to unwind - a carton strip 3 passing through
- braking, guiding and/or tensioning means 4, and further through
- an activating unit 5, from which it is helically wound whilst being driven by
- friction rollers 6, in turn driven by suitable means (not shown), about
- a stationary mandrel 7,
- The carton strip 3 has previously been coated with a thin layer of adhesive of the type that can be made to change from a non-tacky to a tacky state, the non-tacky state being the state within the roll 1 and along the strip 3 as far as the activating unit 5. When passing through the activating unit 5, the adhesive on the strip 3 is changed into the tacky state, in which it remains until having been incorporated in the carton tube 8. From that point, the process of removing the tube 8 from the mandrel 7 continues in any suitable manner.
- The roll 1 is manufactured in much the same manner as known tape rolls with a coat of adhesive in an inactive state, such as dry water-soluble adhesive, used e.g. for closing and sealing cardboard boxes. This means that a supply of carton strip without adhesive, e.g. a roll of carton strip as supplied by a manufacturer of such strip, is placed in a suitable unwinding stand or the like, and then pulling the far end of the strip through
- a adhesive-applying unit, in which a thin layer of adhesive of the activable type referred to above is applied to the strip, further through
- a adhesive-inactivating unit - in the case of water-soluble adhesive simply a drier capable of making the adhesive non-tacky, to end up in
- a suitable winding stand, in which the strip carrying the dried adhesive is wound to form a roll like the roll 1 shown.
- In the exemplary embodiment shown, the activating unit 5 is placed at some distance from the mandrel 7, but it may just as well be placed close to it, provided - of course - that its activating function is not compromised. Thus, if a dried, water-soluble adhesive is used on the strip 3, then it may be advantageous to have the activating unit 5 at some distance from the mandrel 7 as shown, so as to give the water being sprayed onto the strip 3 by suitable spray nozzles (not shown) in the activating unit 5 time to penetate into the adhesive and make it tacky.
- In the case of heat-activable adhesive, the activating unit 5 - in the form of a heat source (not shown) - may be placed closer to the mandrel 7, even some distance downstream from the winding-on point 9, i.e. down and to the right along the mandrel 7.
- In the exemplary embodiment shown, the strip 3 is wound helically about the mandrel 7, the latter having a circular cross section allowing it to remain stationary. The scope of the invention does, however, extend to processes differing from the one illustrated. Thus, a strip may be wound in parallel layers on top of each other, either on a round mandrel to form a short cylindrical tube, or on a rotating mandrel having, say, a square, rectangular or other polygonal cross section, so as to form the side walls in a box.
- In the exemplary embodiment shown, a single strip 3 coated with adhesive on one side is used for making the tube 8. The scope of the invention does, however, extend to processes based on two or more strips, of which one or more may not have a coat of adhesive, whereas one or more may have such a coat on both sides, so that the strips are made to interleave in a suitable manner for forming e.g. a tube.
-
- 1
- roll
- 2
- axis
- 3
- carton strip
- 4
- braking/guiding/tensioning means
- 5
- activating unit
- 6
- friction rollers
- 7
- mandrel
- 8
- carton tube
- 9
- winding-on point
- 10
- wide sheet carton
- 11
- peripheral area
- 12
- roll of wide sheet
Claims (12)
- Method of making carton tubes (8) consisting of at least two layers of sheet material (3) held together by adhesive, said method being of the kind comprising the following steps:a) providing a supply of wide sheet carton material (10),b) coating said wide sheet carton material (10) with exception of its peripheral areas (11) extending in the direction of supply with a coat of adhesive that is normally not tacky but can be made tacky by an activating step,c) dividing said wide sheet (10) in sections forming strips (3) of carton sheet material that are fully coated and in strips originating from said peripheral areas (11) that are not fully coated,d) providing a mandrel (7) with external dimensions corresponding to the internal dimensions of the tube to be made, ande) advancing a supply of said fully coated strips (3) of sheet material towards said mandrel (7),f) activating the adhesive, andg) further advancing said supply of fully coated strips (3) of sheet material onto said mandrel (7) so as to wind said sheet supply material on it in a manner causing said adhesive to make the layers of sheet material adhere to themselves and/or to one another so as to form a rigid tubular body.
- Method according to claim 1 and comprising the use of braking, guiding and/or tensioning means in contact with said sheet material and guiding same towards said mandrel (7), wherein said activating step is carried out at a position between said braking, guiding and/or tensioning means and said mandrel (7).
- Method according to claim 1 or 2 and comprising the making of accumulations (1,12) of said wide sheet (10) or strip (3) material and subsequently using said accumulations for supplying said sheet (3,10) material being used in the method, wherein said accumulations are made by accumulating sheet (3,10) material having been provided with a coat of adhesive of said kind.
- Method according to claim 3, comprising the step of making and using said accumulations in the form of rolls (12) of said sheet material.
- Method according to any of the claims 1-4, in which the adhesive is water-soluble.
- Method according to any one or any of the claims 1-5, comprising the step of using a coat of adhesive capable of being made tacky by the application of a solvent, and using such a solvent for carrying out said activating step.
- Method according to claim 6, comprising the step of using a coat of adhesive capable of being made tacky by the application of water, and using water for carrying out said activating step.
- Method according to claim 6 or 7, comprising the step of spraying said solvent or water, respectively, onto said coat of adhesive.
- Method according to any one or any of the claims 1-4, comprising the step of using a coat of adhesive capable of being made tacky by the application of heat or electromagnetic radiation, and applying heat or electromagnetic radiation, respectively, for carrying out said activating step.
- Method according to claims 1-9, wherein the strips originating from said peripheral areas (11) have a width smaller than said fully coated strips (3).
- Method according to claims 1-10, wherein the fully coated strips (3) have a width in the range of 1/3 to 1/100 of said wide sheet material.
- Apparatus for making carton tubes by carrying out the method according to any one or any of the claims 1-8, said machine comprising a means for supplying wide sheet material (10), a means for coating said wide sheet carton material (10) with exception of its peripheral areas (11) extending in the direction of supply, a means to divide the wide sheet (10) into sections forming strips (3) of carton sheet material that are fully coated and in strips originating from said peripheral areas (11) that are not fully coated, a mandrel (7) for winding strips of sheet material (3) so as to form a rigid tubular body (8), and comprising activating means (5) adjacent said mandrel (7) for carrying out said activating step by subjecting said sheet material (3) to a spray of solvent or water or to heat or electromagnetic radiation, respectively, according to the type of coat of adhesive having been applied to said sheet material.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP98930654A EP0993367B1 (en) | 1997-07-01 | 1998-07-01 | Method and machine for making wound carton tubes, and tubes therefrom |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP97110702 | 1997-07-01 | ||
EP97110702A EP0888877A1 (en) | 1997-07-01 | 1997-07-01 | Method and machine for making wound carton tubes, and tubes therefrom |
EP98930654A EP0993367B1 (en) | 1997-07-01 | 1998-07-01 | Method and machine for making wound carton tubes, and tubes therefrom |
PCT/DK1998/000293 WO1999001276A1 (en) | 1997-07-01 | 1998-07-01 | Method of making carton tubes, apparatus for making carton tubes by carrying out the method, and tubular body made by carrying out the method |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0993367A1 EP0993367A1 (en) | 2000-04-19 |
EP0993367B1 true EP0993367B1 (en) | 2002-04-03 |
Family
ID=8226983
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97110702A Withdrawn EP0888877A1 (en) | 1997-07-01 | 1997-07-01 | Method and machine for making wound carton tubes, and tubes therefrom |
EP98930654A Expired - Lifetime EP0993367B1 (en) | 1997-07-01 | 1998-07-01 | Method and machine for making wound carton tubes, and tubes therefrom |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97110702A Withdrawn EP0888877A1 (en) | 1997-07-01 | 1997-07-01 | Method and machine for making wound carton tubes, and tubes therefrom |
Country Status (5)
Country | Link |
---|---|
EP (2) | EP0888877A1 (en) |
AT (1) | ATE215441T1 (en) |
AU (1) | AU8101998A (en) |
DE (1) | DE69804615T2 (en) |
WO (1) | WO1999001276A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6783623B2 (en) | 2002-10-23 | 2004-08-31 | Sonoco Development, Inc. | Method of making a dry bonded paperboard structure |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20010006712A1 (en) | 1999-12-27 | 2001-07-05 | Motoshige Hibino | Hose of impermeability and a process for manufacturing the same |
US20040185205A1 (en) * | 2003-03-20 | 2004-09-23 | Sonoco Development, Inc. | Tube made out of pre-adhered plies |
US20040265526A1 (en) * | 2003-06-30 | 2004-12-30 | The Procter & Gamble Company | Spiral wound tubes, method and apparatus for forming the same |
US6991682B2 (en) | 2003-07-17 | 2006-01-31 | Paper Converting Machine Company | Applicator plate for an adhesive applicator of a core-making machine |
AU2016316691A1 (en) | 2015-08-28 | 2017-12-21 | Philip Morris Products S.A. | Improved tubular elements for smoking articles |
CN106863916A (en) * | 2017-03-29 | 2017-06-20 | 蒋金海 | A kind of irregular paperboard and its production technology |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2641416A (en) * | 1950-10-07 | 1953-06-09 | Shellmar Products Corp | Apparatus for and methods of aligning webs for lamination |
FR1301954A (en) * | 1961-07-12 | 1962-08-24 | Anciens Etablissements A H Mon | Manufacturing process of paper tubes |
US3524779A (en) * | 1966-08-31 | 1970-08-18 | American Can Co | Method of making wound tubular products |
GB1169973A (en) * | 1967-03-03 | 1969-11-12 | Berisfords Ltd | Apparatus for rendering Adhesives into Coherent Form |
US3839122A (en) * | 1970-01-19 | 1974-10-01 | Johns Manville | Apparatus for feeding and wrapping sheet material |
CA1003282A (en) * | 1972-05-22 | 1977-01-11 | Robert J. Kissner | Impregnation method and apparatus |
SE7607004L (en) * | 1975-08-25 | 1977-02-26 | Nashua Corp | ADHESIVE STRIP AND WAY TO MANUFACTURE THIS |
DD289971A5 (en) * | 1989-12-14 | 1991-05-16 | Fz Verpackung,De | HUELSE FOR QUICK SPIN PROCEDURE |
DE9107254U1 (en) * | 1990-06-01 | 1991-08-14 | Mauser-Werke Gmbh, 5040 Bruehl, De |
-
1997
- 1997-07-01 EP EP97110702A patent/EP0888877A1/en not_active Withdrawn
-
1998
- 1998-07-01 WO PCT/DK1998/000293 patent/WO1999001276A1/en active IP Right Grant
- 1998-07-01 AT AT98930654T patent/ATE215441T1/en not_active IP Right Cessation
- 1998-07-01 EP EP98930654A patent/EP0993367B1/en not_active Expired - Lifetime
- 1998-07-01 DE DE69804615T patent/DE69804615T2/en not_active Expired - Fee Related
- 1998-07-01 AU AU81019/98A patent/AU8101998A/en not_active Abandoned
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6783623B2 (en) | 2002-10-23 | 2004-08-31 | Sonoco Development, Inc. | Method of making a dry bonded paperboard structure |
Also Published As
Publication number | Publication date |
---|---|
ATE215441T1 (en) | 2002-04-15 |
AU8101998A (en) | 1999-01-25 |
EP0888877A1 (en) | 1999-01-07 |
DE69804615T2 (en) | 2002-10-24 |
WO1999001276A1 (en) | 1999-01-14 |
DE69804615D1 (en) | 2002-05-08 |
EP0993367A1 (en) | 2000-04-19 |
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