EP0728067A1 - Rolle eines langgestreckten materials, verfahren zu dessen herstellung und vorrichtung zur durchführung des verfahrens - Google Patents
Rolle eines langgestreckten materials, verfahren zu dessen herstellung und vorrichtung zur durchführung des verfahrensInfo
- Publication number
- EP0728067A1 EP0728067A1 EP95900970A EP95900970A EP0728067A1 EP 0728067 A1 EP0728067 A1 EP 0728067A1 EP 95900970 A EP95900970 A EP 95900970A EP 95900970 A EP95900970 A EP 95900970A EP 0728067 A1 EP0728067 A1 EP 0728067A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- roll
- core
- winding
- compressed
- turns
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
-
- 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
- B31C11/02—Machinery for winding combined with other machinery for additionally shaping the articles
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H19/00—Changing the web roll
- B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
- B65H19/28—Attaching the leading end of the web to the replacement web-roll core or spindle
Definitions
- TITLE Roll of elongated material, method for the production thereof and means for carrying out the method.
- the present invention relates to a roll of elongated material, especially soft paper which is used as toilet- rolls, kitchen rolls etc.
- the invention also comprises also a method for the production of such rolls and a means for carrying out the method.
- the roll according to the inven ⁇ tion is of the type which does not have any separate sleeve-formed core around which it has been rolled. It has neither any round cross-section but is compressed to an oval or elliptical cross-sectional shape.
- toilet-rolls When for example toilet-rolls are to be used, they are usually put on a pin or a shaft in a holding fixture attached to a wall.
- the rolls have therefore according to above known technique been provided with an inner core of rigid cardboard which has been flattened out in connection with the compression and which must be put back into a round shape when the roll is put on a shaft.
- This snapping back is brought about by applying a pressure to the shorter sides so that the core will open up again. This is not an easy operation as such and the core must be of a certain kind. If it does not open, substantial difficulties will occur when putting the roll on a shaft.
- Paper-rolls without any inner core of rigid cardboard are also known. See for instance the Swedish patent 7605683-7.
- the inner turns are stabilized by means of water possibly having an addition of a binder.
- the innermost turns are, however, not completely glued to each other so that it is possible to roll off the material from the central hole, which is also the purpose with this form of rolls. These rolls are not flattened, but instead they maintain their round shape and the purpose with the stabilizing is that the central hole also shall be kept open and round.
- a roll of an elongated material for example paper, especially paper and other nonwoven material which have been rolled on a core in the inner of the roll
- the core is made in one piece with the rolled material thereon and consists of a number of turns thereof which have been fixed in relation to each other, for example by means of a binder or the like, which roll is characterized in that it is compressed to an oval or elliptical form and that the core is elastic in such a way that it can be opened from the compressed position by pressure against the shorter sides of the ellipse.
- the elasticity in the core of the roll is achieved by fixation by means of a binder of the type polyvinylacetate, polyethylenvinylacetate, poly- acrylate, latex, starch, modified starch, cellulose derivates, polyvinyl alcohol in water or other water- soluble binder.
- the invention also relates to a process for the production of a roll, which method is characterized in that some of the first turns of a conventional winding is sprayed or covered with a binder solution and that immediately after the completed winding and removal from the winding shaft, the roll is compressed to an elliptical or oval section form.
- an auxiliary means with a smaller diameter than that of the winding shaft can first be introduced in the central hole of the roll after the removal of the winding shaft and be kept in the central hole during the first step of the compression and accord ⁇ ingly assist in forming this.
- the invention also comprises a means for the production of a roll according to the above and it is characterized by two converging synchronically driven conveyor bands at the one end of the winding shaft, which conveyors have a distance from each other corresponding to the diameter of the roll closest to the shaft end and converge in a direction from this.
- FIGURE DESCRIPTION Fig. 1 shows spraying of a binder on the first turns
- Fig. 2 describes schematically a means for compressing a finished roll according to the invention and Fig. 3 shows a finished compressed roll according to the invention.
- the invention relates to a further development of winding of, for example, soft paper in conventional machines, such as a centrally-driven rolling machine or a carrier rolling machine. These machines are commonly known and are there ⁇ fore not described further here. In these machines the rolls are rolled up on a rotating shaft from a larger feeding roll. The machine usually comprises more shafts which, in turn, roll up the paper strip. They therefore move stepwise to a correct position for winding, removal of the roll, etc.
- the paper strip is cut by means of a knife and the new end of the strip is brought to roll around a new shaft by means of air nozzles or the centrifugal force and the feeding speed.
- Fig. 1 shows schematically spraying of a binder on the first turns.
- a paper strip 1 is wound up on a shaft 2 and the end of the paper 5 has only come half a turn on the shaft 2.
- the addition of binder occurs through a spray nozzle 6.
- the liquid which is preferably sprayed on these inner turns is primarily those latex-based or water-soluble binders which have been mentioned above and which can impart elasticity to the inner turns.
- concentration of these agents should be a few percent and the amount of sprayed liquid in relation to the paper can be 1-80 ml/m 2 of the strip.
- the number of turns which should be sprayed with this elastic agent is not critical, but should at least consist of five turns if the core shall be able to open up again after compression. A greater number of turns can also be covered or immersed as these inner turns are also usable, but too great a number is of course unnecessary. According to the invention, it is important that the compression of the roll occurs immediately after the winding has been terminated. Fig.
- FIG. 2 shows schematically a means for performance of the compression.
- a finished paper-roll 1 is shown on a shaft 2.
- the paper-roll 1 is moved in that state to the right in the figure in between two synchronized, driven conveyor bands 3 and 4 which converge with increasing distance from the winding shaft 2.
- the paper roll 1 is pushed in between these bands 3 and 4, the roll 1 will be increasingly compressed and will finally obtain a shape in cross-section which is oval or elliptical.
- Behind the bands 3 and 4 are rails which support the bands 3 and 4.
- the removal means of the roll 1 from the shaft 2 can be conventional.
- the bands 3 and 4 also assist in removing the shaft 2 as these bands are driven.
- the compression of the roll can also occur by means of other devices, for instance by means of a pneumatic or hydraulic pressing plate which presses the roll against a stationary plate.
- the liquid in the applied covering or impregnation of the first turns will, though the compression has been made immediately after the finished rolling, partly evaporate from the roll, partly move into in the dry turns of the roll without influencing the properties of the rolls as this amount of liquid is so small. This makes it possible that the roll after the compression can be cut and packed directly using conventional means.
- a roll, for example a toilet-roll, which has been produced according to the present invention is flat in its appear ⁇ ance but can easily be pressed to a round form again, whereby the core reopens so that a pin or shaft can be inserted into the same.
- the hole in the core will not usually be completely round but this has no importance since the opening will be so well shaped that a pin or shaft can be inserted into it.
- the opening can also be preformed to a certain extent so that an auxiliary means can be introduced in the hole before the compression, which means is withdrawn before the compression has been com ⁇ pleted and thus contributes to form the re-opened hole.
- Fig. 3 shows an example of a compressed toilet-roll.
- the roll 1 has been shown as one single continuous roll that is intended to be cut into smaller rolls after the compression.
- the invention also includes rolls which have been made separately on the winding shaft 2 laying side by side.
Landscapes
- Replacement Of Web Rolls (AREA)
- Winding Of Webs (AREA)
- Sanitary Thin Papers (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9303669 | 1993-11-08 | ||
SE9303669A SE505508C2 (sv) | 1993-11-08 | 1993-11-08 | Rulle av banformigt material, förfarande för framställning av en sådan samt anordning för utövande av förfarandet |
PCT/SE1994/001041 WO1995013183A1 (en) | 1993-11-08 | 1994-11-04 | Roll of elongated material, method for the production thereof and means for carrying out the method |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0728067A1 true EP0728067A1 (de) | 1996-08-28 |
EP0728067B1 EP0728067B1 (de) | 1998-10-21 |
Family
ID=20391667
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95900970A Expired - Lifetime EP0728067B1 (de) | 1993-11-08 | 1994-11-04 | Rolle eines langgestreckten materials, verfahren zu dessen herstellung und vorrichtung zur durchführung des verfahrens |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0728067B1 (de) |
AU (1) | AU1037595A (de) |
DE (1) | DE69414126T2 (de) |
ES (1) | ES2124991T3 (de) |
SE (1) | SE505508C2 (de) |
WO (1) | WO1995013183A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107249989A (zh) * | 2014-11-17 | 2017-10-13 | 佐治亚-太平洋消费产品有限合伙公司 | 压缩的空心无芯的可重新成形的卷产品 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10213066B2 (en) | 2016-04-01 | 2019-02-26 | Essity Operations France | Coreless roll of absorbent sheet and method for manufacturing the same |
CN109310794B (zh) * | 2016-04-01 | 2022-01-11 | 爱适瑞运营法国公司 | 吸收性片材的无芯卷及其制造方法 |
CN108357738B (zh) * | 2017-04-06 | 2019-08-02 | 山鹰国际控股股份公司 | 一种多规格纸卷输送包装自动化生产线及方法 |
HUE061090T2 (hu) | 2017-09-29 | 2023-05-28 | Essity Hygiene & Health Ab | Abszorbens laptermék mag nélküli tekercse és eljárás annak elõállítására |
ES2922998T3 (es) | 2017-09-29 | 2022-09-22 | Essity Hygiene & Health Ab | Rollo sin núcleo de hoja absorbente y método para fabricar el mismo |
WO2019064046A1 (en) | 2017-09-29 | 2019-04-04 | Essity Hygiene And Health Aktiebolag | ABSORBENT SHEET-FREE CHUCK ROLL AND METHOD FOR MANUFACTURING THE SAME |
GB2586159B (en) * | 2019-08-08 | 2023-11-01 | Kimberly Clark Co | Apparatus and methods for compressing stacks of articles |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3837138A (en) * | 1973-02-23 | 1974-09-24 | Johns Manville | Method and apparatus for compressing material and enclosing the same in a plastic film |
SE399694B (sv) * | 1976-05-19 | 1978-02-27 | Moelnlycke Ab | Rulle av banformigt material |
US4762061A (en) * | 1984-03-30 | 1988-08-09 | Kouzou Watanabe | Method of producing compressed roll of paper |
-
1993
- 1993-11-08 SE SE9303669A patent/SE505508C2/sv not_active IP Right Cessation
-
1994
- 1994-11-04 DE DE69414126T patent/DE69414126T2/de not_active Expired - Fee Related
- 1994-11-04 ES ES95900970T patent/ES2124991T3/es not_active Expired - Lifetime
- 1994-11-04 AU AU10375/95A patent/AU1037595A/en not_active Abandoned
- 1994-11-04 EP EP95900970A patent/EP0728067B1/de not_active Expired - Lifetime
- 1994-11-04 WO PCT/SE1994/001041 patent/WO1995013183A1/en active IP Right Grant
Non-Patent Citations (1)
Title |
---|
See references of WO9513183A1 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107249989A (zh) * | 2014-11-17 | 2017-10-13 | 佐治亚-太平洋消费产品有限合伙公司 | 压缩的空心无芯的可重新成形的卷产品 |
EP3221223A4 (de) * | 2014-11-17 | 2018-11-07 | GPCP IP Holdings LLC | Komprimierte, hohle, kernlose, neu verformbare rollenprodukte |
Also Published As
Publication number | Publication date |
---|---|
WO1995013183A1 (en) | 1995-05-18 |
DE69414126T2 (de) | 1999-06-02 |
SE9303669L (sv) | 1995-05-09 |
SE9303669D0 (sv) | 1993-11-08 |
SE505508C2 (sv) | 1997-09-08 |
DE69414126D1 (de) | 1998-11-26 |
ES2124991T3 (es) | 1999-02-16 |
EP0728067B1 (de) | 1998-10-21 |
AU1037595A (en) | 1995-05-29 |
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