EP1920697B1 - Absorbierende Papierrolle für den Sanitär- oder Haushaltseinsatz mit einer seitlichen Hohlkehle - Google Patents

Absorbierende Papierrolle für den Sanitär- oder Haushaltseinsatz mit einer seitlichen Hohlkehle Download PDF

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Publication number
EP1920697B1
EP1920697B1 EP07291247.0A EP07291247A EP1920697B1 EP 1920697 B1 EP1920697 B1 EP 1920697B1 EP 07291247 A EP07291247 A EP 07291247A EP 1920697 B1 EP1920697 B1 EP 1920697B1
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EP
European Patent Office
Prior art keywords
roll
groove
paper
axis
tool
Prior art date
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Application number
EP07291247.0A
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English (en)
French (fr)
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EP1920697A1 (de
Inventor
Rémy Ruppel
Gilles Cattacin
Arnaud Jaegler
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.)
Essity Operations France SAS
Original Assignee
SCA Tissue France SAS
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Publication of EP1920697A1 publication Critical patent/EP1920697A1/de
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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K10/00—Body-drying implements; Toilet paper; Holders therefor
    • A47K10/16—Paper towels; Toilet paper; Holders therefor

Definitions

  • the present invention relates to the field of paper for sanitary or domestic use. It relates to a paper roll having an annular groove and its method of manufacture.
  • the invention is particularly toilet paper, wiping paper used especially as a paper towel or towel.
  • These papers are presented to the user for example in the form of rolls consisting of a sheet, possibly pre-cut into coupons, wound around a central axis.
  • the rollers may be of type with or without mandrel and in the latter case, with or without central opening. To make their use convenient the rollers are usually placed in a suitable holder.
  • the distributors are elaborated to ensure a plurality of functions. It involves storing paper, maintaining product hygiene, controlling paper consumption or avoiding the use of non-compliant rolls.
  • a known means is to cut the sheet properly as it is wound around the axis of the roller or a mandrel.
  • the patent EP 380,438 describes a method of cutting a sheet of large width into several sheets of smaller width corresponding to that of the rolls to be manufactured. A plurality of blades parallel to each other are used which ensure continuous cutting of the wide sheet. Retractable blades cut additional strips of width corresponding to the depth of the groove over a length determined according to the groove width to be formed.
  • the groove is cut after formation of the roller by means of a cutting tool. It is found that all the processes known are limited to a solution where the groove is obtained by removal of material.
  • the applicant has sought to improve the technique of throat formation.
  • One objective has been the development of a simpler method to implement than the cutting of the strip of material during its winding.
  • the latter method is indeed penalizing when it comes to manufacturing products at a high rate as is required on modern production machines.
  • the applicant has also sought to improve the quality of the product. Even if the throat is of reasonable depth, it results in a lack of material on the coupons right of the throat.
  • the method of manufacturing a roll of absorbent paper for sanitary or domestic use the roll having a central orifice and comprising a continuous sheet enrolée about an axis and forming helical turns, according to which after having formed the roll is deformed at least one of the sides of the roll by compression by means of a tool comprising a rib, the rib forming a groove on at least one of the sides of the roll, the groove defining a closed contour around this axis, is characterized in that the tool comprises a cylindrical central boss of diameter corresponding to that of the central orifice, which ensures a good guide of the roll before the deformation phase, the width of the sheet forming the turns to the right of the groove being reduced by deformation and / or compression parallel to the axis.
  • the reduction by deformation makes it possible, when the sheet is unfolded at the level of the groove, to find, by deployment, almost the entire width. This is possible because the paper for sanitary or domestic use is an absorbent paper, cellulose wadding, light weight, whose characteristic is to be very flexible.
  • An advantage that stems from the previous one is to allow a deeper throat.
  • a projection of greater height cooperating with a deeper groove provides a more efficient guidance.
  • Another advantage is to allow shapes of varied throat, polygonal for example or simply circular.
  • the groove is U-shaped cross section with two mutually parallel edges and more particularly the bottom of the groove is curved.
  • the present invention applies to any type of absorbent paper roll with a central hole and in this case preferably with a cylindrical mandrel.
  • the roll represented on the figure 1 is a roll 1 for example toilet paper with a central orifice 3.
  • the continuous sheet is wrapped around a cardboard mandrel 5.
  • the absorbent paper is cellulose wadding single-ply or multi-ply, generally grammage included between 15 and 40 g / m 2 per fold.
  • the invention rather concerns the use in community with rollers of larger size than the domestic use.
  • the roller comprises on at least one face a circular groove near the central hole 3. It is represented on the figure 2 the detail of the roll seen in axial section at the throat. We see the central orifice 3 inside the mandrel 5 and the helical turns 8 of the sheet which has been wound around the mandrel. Since the mandrel the winding comprises a number n1 of sheet turns of the same width as the roll. Then a number n2 of turns has a width smaller than that of the roll. These n2 turns define the groove 7 on the side of the roll. The sheet constituting these n2 turns is deformed by compression parallel to the axis XX of the roll. It forms folds 8 'over a short distance to the right of the 7. Because of the low density of the absorbent paper and to the extent that the winding clamping allows it the n2 turns are deformed individually and the folds of the folded area are not nested within each other.
  • This groove is obtained by pressing along the axis XX of a tool as shown in FIG. figure 3 .
  • This tool 10 comprises a central portion 12 of diameter equal to that of the orifice 3 of the roller and forming a boss.
  • This central portion 12 ensures a good centering of the roll before the deformation phase.
  • the central portion is here chamfered to facilitate its introduction into the orifice 3.
  • the tool has an annular rib 15 of U-section with a rounded or flattened top but without sharp edge.
  • the central portion 12 is higher than the annular portion.
  • the throat is formed by presenting, as shown on the figure 5 , the tool with its central portion in the orifice 3, and exerting an axial pressure so as to compress the roll along the annular rib 15.
  • the sidewall is thus deformed to the desired depth and to the maximum on the entire height of the annular rib.
  • the sheet constituting the turns under the tool is axially deformed with formation of the folds 8 'that can be seen on the figure 2 .
  • the central portion 12 of the tool 10 forms a guide for positioning the groove relative to the axis XX.
  • the shape of the throat is free; it depends on the shape of the guide projection which has been chosen on the roll support.
  • the figure 4 shows another example of a tool 20 with a rib 25 of polygonal shape around the central portion 22 which remains circular. The principle is the same as before. In all cases, it is sought to obtain a groove 7 defining a closed contour about the axis XX.
  • roller 1 mounted in its dispenser of which only the portion forming the support of the roll has been shown.
  • the roller 1 with its mandrel 5 and its groove 7 is held by two cylindrical plugs 31 and 32 engaged in the mandrel at its ends. These plugs are rotatable about the pivots, 41 and 42 respectively, secured to the side walls of the dispenser.
  • the stopper 32 On the face having the groove 7, the stopper 32 comprises an annular rib 32 'of radius and width adapted to be housed in the groove 7.

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Sanitary Thin Papers (AREA)

Claims (7)

  1. Verfahren zur Herstellung einer Rolle (1) aus saugfähigem Papier zur Verwendung im Hygiene- oder Haushaltsbereich, wobei die Rolle (1) eine mittlere Öffnung (3) aufweist und ein durchgehendes Blatt umfasst, das um eine Achse (XX) gewickelt ist und spiralförmige Windungen (8) bildet, wobei bei diesem Verfahren nach dem Bilden der Rolle mindestens eine der Flanken der Rolle durch Zusammendrücken mittels eines Werkzeugs (10; 20) verformt wird, das eine Rippe (15; 25) umfasst, wobei die Rippe eine Hohlkehle (7) an mindestens einer der Flanken der Rolle bildet, wobei die Hohlkehle (7) eine geschlossene Kontur um diese Achse definiert, dadurch gekennzeichnet, dass das Werkzeug (10, 20) einen mittleren zylindrischen Buckel (12; 22) umfasst, dessen Durchmesser dem der mittleren Öffnung (3) entspricht, was die Gewährleistung einer guten Führung der Rolle vor der Verformungsphase gestattet, wobei die Breite des Blatts, das die Windungen senkrecht zu der Hohlkehle (7) bildet, durch Verformen und/oder durch Zusammendrücken parallel zur Achse reduziert wird.
  2. Papierrolle (1), hergestellt mit dem Verfahren nach Anspruch 1.
  3. Papierrolle nach Anspruch 2, deren Hohlkehle (7) einen U-förmigen Querschnitt mit zwei zueinander parallelen Rändern hat.
  4. Papierrolle nach Anspruch 2 oder 3, wobei der Boden ihrer Hohlkehle gebogen ist.
  5. Papierrolle nach einem der Ansprüche 2 bis 4, deren Hohlkehle (7) eine kreisförmige Kontur definiert.
  6. Papierrolle nach einem der Ansprüche 2 bis 4, deren Hohlkehle (7) eine polygonale Kontur definiert.
  7. Papierrolle nach einem der Ansprüche 2 bis 6, deren Blatt (2) um eine zylindrische Rollenhülse (5) gewickelt ist.
EP07291247.0A 2006-10-30 2007-10-12 Absorbierende Papierrolle für den Sanitär- oder Haushaltseinsatz mit einer seitlichen Hohlkehle Active EP1920697B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0609510A FR2907653B1 (fr) 2006-10-30 2006-10-30 Rouleau de papier absorbant a usage sanitaire ou domestique avec une gorge laterale.

Publications (2)

Publication Number Publication Date
EP1920697A1 EP1920697A1 (de) 2008-05-14
EP1920697B1 true EP1920697B1 (de) 2017-04-05

Family

ID=38038530

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07291247.0A Active EP1920697B1 (de) 2006-10-30 2007-10-12 Absorbierende Papierrolle für den Sanitär- oder Haushaltseinsatz mit einer seitlichen Hohlkehle

Country Status (5)

Country Link
US (1) US20080099593A1 (de)
EP (1) EP1920697B1 (de)
CA (1) CA2608495A1 (de)
EA (1) EA012346B1 (de)
FR (1) FR2907653B1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8286831B2 (en) 2009-09-18 2012-10-16 Ecolab Usa Inc. Dispenser having vacuum switch controlled pump with bleed valve
IT1398950B1 (it) 2010-03-18 2013-03-28 Macchi Cassia Rotolo di carta con scanalatura laterale di controllo ed erogatore atto ad utilizzare tale rotolo
US20120138723A1 (en) * 2010-12-02 2012-06-07 Richard Paul Lewis Dispenser Supply Roll Engagement System
JP7393350B2 (ja) 2018-05-07 2023-12-06 エコラボ ユーエスエー インコーポレイティド ディスペンサーおよび溶液分配方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US328252A (en) * 1885-10-13 beeves
US3029035A (en) * 1958-01-10 1962-04-10 Towlsaver Inc Roll supporting construction
US3038598A (en) * 1960-04-01 1962-06-12 Towlsaver Inc Automatically dismountable roll
US3282525A (en) * 1963-09-23 1966-11-01 Crown Zellerbach Corp Web slitting and grooving apparatus and method
US3453726A (en) * 1967-02-28 1969-07-08 Mc Graw Edison Co Method and apparatus for manufacturing a laminated magnetic core
US4013236A (en) * 1976-03-11 1977-03-22 Towlsaver, Inc. Automatic dismounting roll for roll towel dispensers
JPS58200719A (ja) * 1982-05-19 1983-11-22 小林　昌志 トイレツトペ−パロ−ル及びその製造法
US4431141A (en) * 1982-06-10 1984-02-14 Crown Zellerbach Corporation Method of making a roll paper product
US4951891A (en) * 1989-01-23 1990-08-28 James River Corporation Web slitter and groover system
US5205455A (en) * 1992-05-21 1993-04-27 James River Ii, Inc. Dispenser with stabilizer for coreless roll products
US5620148A (en) * 1995-03-10 1997-04-15 Kimberly-Clark Corporation Methods of making indented coreless rolls
WO2001060223A1 (fr) * 2000-02-15 2001-08-23 Kasuga Seishikogyo Co., Ltd. Rouleau de papier toilette et son procede de fabrication
JP2003061861A (ja) * 2001-08-29 2003-03-04 Daio Paper Corp ミシン目付きトイレットペーパーロール
US7314194B2 (en) * 2003-03-12 2008-01-01 Monosoff Tamara A Toilet paper roll locking mechanism

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EA200702089A1 (ru) 2008-06-30
EP1920697A1 (de) 2008-05-14
EA012346B1 (ru) 2009-10-30
US20080099593A1 (en) 2008-05-01
FR2907653A1 (fr) 2008-05-02
CA2608495A1 (en) 2008-04-30
FR2907653B1 (fr) 2008-12-26

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