EP0610462A1 - New device for attaching hygienic articles, and production method - Google Patents

New device for attaching hygienic articles, and production method

Info

Publication number
EP0610462A1
EP0610462A1 EP93914796A EP93914796A EP0610462A1 EP 0610462 A1 EP0610462 A1 EP 0610462A1 EP 93914796 A EP93914796 A EP 93914796A EP 93914796 A EP93914796 A EP 93914796A EP 0610462 A1 EP0610462 A1 EP 0610462A1
Authority
EP
European Patent Office
Prior art keywords
pad
film
silicone paper
periodic
previously
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.)
Withdrawn
Application number
EP93914796A
Other languages
German (de)
French (fr)
Inventor
Hubert Résidence les Terrasses d'Occitanie RODIER
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.)
PREST'HYG SA
Prest Hyg SA
Original Assignee
PREST'HYG SA
Prest Hyg SA
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 FR9210052A external-priority patent/FR2694690B1/en
Priority claimed from FR9300829A external-priority patent/FR2700687B1/en
Application filed by PREST'HYG SA, Prest Hyg SA filed Critical PREST'HYG SA
Publication of EP0610462A1 publication Critical patent/EP0610462A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
    • G01N9/002—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity using variation of the resonant frequency of an element vibrating in contact with the material submitted to analysis
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/15577—Apparatus or processes for manufacturing
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/15577—Apparatus or processes for manufacturing
    • A61F13/15756—Applying tabs, strips, tapes, loops; Knotting the ends of pads
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/47—Sanitary towels, incontinence pads or napkins
    • A61F13/476—Sanitary towels, incontinence pads or napkins characterised by encircling the crotch region of the undergarment
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/56—Supporting or fastening means
    • A61F13/5605—Supporting or fastening means specially adapted for sanitary napkins or the like
    • A61F13/5616—Supporting or fastening means specially adapted for sanitary napkins or the like using flaps, e.g. adhesive, for attachment to the undergarment
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/02—Analysing fluids
    • G01N29/036—Analysing fluids by measuring frequency or resonance of acoustic waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/01—Indexing codes associated with the measuring variable
    • G01N2291/014—Resonance or resonant frequency
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/022—Liquids
    • G01N2291/0222—Binary liquids
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02818—Density, viscosity
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/04—Wave modes and trajectories
    • G01N2291/042—Wave modes
    • G01N2291/0422—Shear waves, transverse waves, horizontally polarised waves
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the present invention relates to the field of hygiene and more particularly to that of feminine hygiene.
  • the wings or side flaps further comprise one or more folds, welded together, improving the lateral seal.
  • the fixing of these wings is ensured by the cutting mode because they are an integral part of the towel.
  • the device according to the invention aims to obtain this desired new result.
  • the side flaps according to the invention have a triangular surface extending over the median axis of the outer part of the period towel which may include at its base, a semi-circular notch.
  • the two side flaps are mounted head to tail on the towel, so as to offer the widest possible adhesion surface.
  • the flaps are lateral and are folded under the adhesive surface (s) of the single-sided silicone, placed on the internal surface, which allows the subsequent transfer of the adhesive surfaces to the lateral flaps during use.
  • the invention also includes a process for the production of hygiene articles lined with these side flaps which consists of trapping the absorbent pad formed of cellulose pulp or composite of the sanitary napkin, between a film of polyethylene and a layer of non-woven fabric or microperforated polyethylene film, watertight towards the outside, to liquids, which the two films are sealed by welding or by gluing, which the previously formed fabric, formed from the strip, is cut by the pad and the two protective layers of waterproof film by forming a corrugated ribbon in the form of a garland, which is deposited on this garland a single-sided silicone paper whose internal face has been previously coated in a continuous or discontinuous manner d 'glue. A second single-sided silicone paper with the internal side previously coated one or more blocks of glue is deposited on the side flaps previously folded on the internal face.
  • the sealing of the polyethylene film is carried out by heat sealing or by gluing.
  • an elastic cylindrical membrane maintained under pressure ensures contact between the two layers of film for sealing.
  • the cutting of the side flaps is done synchronously and in phase with the installation of absorbent pads.
  • the removal of the single-sided silicone paper takes place after the ribbon has been cut into a garland.
  • the removal can also be carried out before cutting the garland.
  • FIG. 1 there is shown seen from the front a periodic towel having two side flaps arranged asymmetrically and folded over the inner face of the periodic towel.
  • Figure 2 shows the two side flaps deployed for use shown with each an adhesive surface (5) and (5 '). According to various embodiments of the invention, these adhesive surfaces can either be wider to occupy part or all of the side flap, or even be in the form of several glued and offset surfaces.
  • Figure 2 also shows the notches (3) and C3 ') on the one hand and (4) and (4') on the other hand, highlighting the advantage of these surfaces for ensuring deployment full of shutters.
  • Figure 3 shows an enlarged view of the overlap of the two side flaps when they are folded down, or their asymmetrical arrangement relative to the axis of symmetry of the sanitary napkin when they are deployed.
  • the triangle determined by the side edge of the flap and the edge of the polyethylene and nonwoven fabric veil or upper veil has an apex angle of approximately 50 °, while the angle at the apex of the same triangle when the side flap is folded over the towel is about 80 °.
  • the invention also consists in making a kit adaptable to all existing manufacturing machines, using traditional manufacturing methods shown diagrammatically in FIGS. 4, 5 and 6.
  • the kit therefore comprises, first of all, an unwinder and folding machines making it possible to cover or coat the absorbent mass of this additional fabric to improve the diffusion.
  • the second modification of the machines consists of mounting a calendering stand to limit leakage on the sides of the product.
  • the shape of the calendering is very important.
  • the pad or absorbent mass (8) is therefore produced with its diffuser (9) and can make it possible to continue the manufacturing process which is carried out by continued.
  • the pad when finished, is deposited on polyethylene (6) or on nonwoven (or microperforated film) which has been previously glued for this operation.
  • the kit therefore contains a gluing system (10) as well as a stand (22) for unwinding the material regularly in order to have the desired tension and a bar feeder system (23) allowing the film to be regulated and unfolded .
  • the sheet thus produced can then undergo the compression treatment (24) of the assembly to obtain good cohesion.
  • FIG. 6 shows the fixing of the two waterproof strips (14) and (14 ') on which the permeable film is adjusted.
  • the mounting kit therefore also comprises a continuous or intermittent cutting station (15) which allows the production of the lateral fixing lugs (the kit allows to make from 1 to 10 lugs depending on the end use of the product) .
  • These legs can be asymmetrical or symmetrical (14) and (14 ').
  • the scraps are sucked up and collected in bags.
  • One or more single-sided silicone papers (16) coated with glue on one side (17) are deposited on the sheet.
  • the kit therefore also includes the system for removing and unwinding the silicone paper (16) and (16 ') as well as the sizing material (17) and (17').
  • the problem which then arises consists precisely in folding down the legs and applying the blocks of glue to the legs using silicone paper.
  • the kit according to the invention also includes a folding stand (25), a compression station (24) and a station for cutting silicone paper (26). Once the product is finished, all you have to do is cut it to the final length, fold it and pack it individually or leave it flat for use.
  • the towel therefore has a silicone paper on the outer face as well as on the tabs on the inner face.
  • the silicone paper is first removed from the external face to apply it to the bottom of the panties and, secondly, only the silicone paper located on the fixing tabs.
  • the periodic towel according to the invention can thus be used with only 4 manipulations whereas for a model with 2 symmetrical fastening tabs, the number of manipulations is significantly higher.

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Acoustics & Sound (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Secondary Cells (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)

Abstract

La présente invention s'adresse au domaine de l'hygiène et plus particulièrement à celui de l'hygiène féminine. Elle a particulièrement pour objet des pattes de fixation disposées asymétriquement le long du bord longitudinal de la serviette périodique dont la partie adhérente est la partie interne pour l'utilisatrice de celle-ci et faisant partie intégrante de la serviette. L'invention comprend également un procédé de production des articles d'hygiène garnis de ces volets latéraux, qui consiste en ce que l'on emprisonne le tampon absorbant formé de pâte de cellulose ou de composite, de la serviette périodique, entre un film de polyéthylène et une couche de textile non tissé ou de film de polyéthylène microperforé étanche vers l'extérieur aux liquides, que l'on scelle les deux films par encollage ou thermoscellage, que l'on découpe sur la bande le tissu formé précédemment, constitué par le tampon et les deux couches protectrices de film étanche, en formant un ruban ondulé en forme de guirlande, que l'on dépose sur cette guirlande un papier siliconé simple face dont la face interne a été préalablement enduite d'une manière continue ou discontinue d'une colle et qu'un deuxième papier siliconé simple face dont la face interne a été préalablement enduite d'un ou plusieurs pavés de colle est déposé sur les volets latéraux repliés sur la face interne.The present invention relates to the field of hygiene and more particularly to that of feminine hygiene. It particularly relates to fixing tabs arranged asymmetrically along the longitudinal edge of the sanitary napkin, the adherent part of which is the internal part for the user of the latter and forming an integral part of the napkin. The invention also includes a method of producing hygienic articles fitted with these side flaps, which consists in trapping the absorbent pad formed of cellulose or composite pulp, of the sanitary napkin, between a film of polyethylene and a layer of non-woven textile or microperforated polyethylene film leaktight outwardly to liquids, which the two films are sealed by gluing or heat-sealing, which is cut from the strip the fabric formed previously, consisting of the pad and the two protective layers of waterproof film, forming a corrugated strip in the form of a garland, which is deposited on this garland with a single-sided silicone paper, the inner face of which has been previously coated in a continuous or discontinuous manner with a glue and a second single-sided silicone paper, the inner face of which has been coated beforehand with one or more blocks of glue, is deposited on the side flaps folded over on the inner face.

Description

NOUVEAU DISPOSITIF D'ATTACHE POUR LES ARTICLES D'HYGIENE ET SON PROCEDE DE PRODUCTION NOVEL FASTENER FOR HYGIENE ARTICLES AND PROCESS FOR PRODUCING THE SAME
La présente invention s'adresse au domaine de l'hygiène et plus particulièrement à celui de l'hygiène féminine.The present invention relates to the field of hygiene and more particularly to that of feminine hygiene.
Elle a particulièrement pour objet des pattes de fixation ou ailettes amovibles déposées sur la face externe des serviettes périodiques et disposées asymétriquement le long du bord longitudinal de la serviette périodique.It particularly relates to fixing lugs or removable fins deposited on the external face of the periodic towels and arranged asymmetrically along the longitudinal edge of the periodic towel.
On connait, en effet, par la demande de brevet européen 0.134.086 (PROCTER & GAMBLE), par la demande de brevet européen 0.267.059 (BEGHIN-SAY) ou encore par la demande de brevet international WO 89/02729 qu'il est possible de prévoir lors de la découpe de l'enveloppe externe des serviettes périodiques des volets latéraux de forme semi-circulaire ou quadratique conçus de façon à former après emploi, par repliement autour de la serviette périodique, elle-même repliée, un conditionnement scellé jetable. Selon la demande de brevet européen 0.267.059 la présence d'ailes ou volets latéraux au niveau de la zone biconcave de la face interne de la serviette périodique assure, en outre, une amélioration de l'étancheité latérale ainsi qu'un excellent confort.We know, in fact, by the European patent application 0.134.086 (PROCTER & GAMBLE), by the European patent application 0.267.059 (BEGHIN-SAY) or by the international patent application WO 89/02729 that it is possible to provide, during the cutting of the external envelope of the periodic towels, side flaps of semi-circular or quadratic shape designed so as to form, after use, by folding around the periodic towel, itself folded, a sealed package disposable. According to European patent application 0.267.059 the presence of wings or lateral flaps at the level of the biconcave zone of the internal face of the sanitary napkin also provides an improvement in lateral tightness as well as excellent comfort.
Dans cette demande de brevet, les ailes ou volets latéraux comprennent, en outre, un ou plusieurs plis, soudés ensemble, améliorant l'étancheité latérale. La fixation de ces ailes est assurée par le mode de découpe car elles font partie intégrante de la serviette.In this patent application, the wings or side flaps further comprise one or more folds, welded together, improving the lateral seal. The fixing of these wings is ensured by the cutting mode because they are an integral part of the towel.
Il était cependant souhaitable de trouver un dispositif d'attache qui assure une surface de fixation sur le sous-vêtement plus importante que celle présentée par les dispositifs à volets latéraux actuels et en même temps, qui garantisse la planéité donc l'étancheité latérale sans avoir recours à des modalités industrielles complexes. Le modèle à volets asymétriques défini dans la demande de brevet français 92.10052 au nom de la demanderesse apporte déjà une première solution.However, it was desirable to find a fastening device which provides a larger fixing surface on the undergarment than that presented by the current side flap devices and at the same time, which guarantees flatness and therefore lateral tightness without having use of complex industrial procedures. The asymmetrical flap model defined in French patent application 92.10052 in the name of the applicant already provides a first solution.
Le dispositif selon l'invention vise à obtenir ce résultat nouveau désiré.The device according to the invention aims to obtain this desired new result.
Il se caractérise par le fait que les volets latéraux sont incorporés au voile et à la partie imperméable.It is characterized by the fact that the side flaps are incorporated in the veil and in the waterproof part.
Les volets latéraux selon linvention présentent une surface triangulaire débordant sur l'axe médian de la partie extérieure de la serviette périodique pouvant comporter à sa base, une encoche semi-circulaire.The side flaps according to the invention have a triangular surface extending over the median axis of the outer part of the period towel which may include at its base, a semi-circular notch.
Les deux volets latéraux sont montés tête bêche sur la serviette, de façon à offrir la surface d'adhésion la plus large possible.The two side flaps are mounted head to tail on the towel, so as to offer the widest possible adhesion surface.
Avant usage, les volets sont latéraux et sont repliés sous la ou les surfaces adhésives du silicone simple-face, placé sur la surface interne, ce qui permet le transfert ultérieur des surfaces adhésives sur les volets latéraux lors de l'utilisation.Before use, the flaps are lateral and are folded under the adhesive surface (s) of the single-sided silicone, placed on the internal surface, which allows the subsequent transfer of the adhesive surfaces to the lateral flaps during use.
L'invention comprend également un procédé de production des articles d'hygiène garnis de ces volets latéraux qui consiste en ce que l'on emprisonne le tampon absorbant formé de pâte de cellulose ou de composite de la serviette périodique, entre un film de polyethylene et une couche de textile non tissé ou de film de polyethylene microperforé etanche, vers l'extérieur, aux liquides, que l'on scelle les deux films par soudure ou par encollage, que l'on découpe sur la bande le tissu formé précédemment, constitué par le tampon et les deux couches protectrices de film etanche en formant un ruban ondulé en forme de guirlande, que l'on dépose sur cette guirlande un papier silicone simple face dont la face interne a été préalablement enduite d'une manière continue ou discontinue d'une colle. Un deuxième papier silicone simple face dont la face interne a été préalablement enduite d'un ou plusieurs pavés de colle est déposé sur les volets latéraux préalable repliés sur la face interne.The invention also includes a process for the production of hygiene articles lined with these side flaps which consists of trapping the absorbent pad formed of cellulose pulp or composite of the sanitary napkin, between a film of polyethylene and a layer of non-woven fabric or microperforated polyethylene film, watertight towards the outside, to liquids, which the two films are sealed by welding or by gluing, which the previously formed fabric, formed from the strip, is cut by the pad and the two protective layers of waterproof film by forming a corrugated ribbon in the form of a garland, which is deposited on this garland a single-sided silicone paper whose internal face has been previously coated in a continuous or discontinuous manner d 'glue. A second single-sided silicone paper with the internal side previously coated one or more blocks of glue is deposited on the side flaps previously folded on the internal face.
Selon une modalité particulière de l'invention, le scellage du film de polyethylene s'effectue par thermoscellage ou par encollage.According to a particular embodiment of the invention, the sealing of the polyethylene film is carried out by heat sealing or by gluing.
Dans ce dernier cas, une membrane cylindrique élastique maintenue sous pression assure le contact entre les deux couches de film en vue du scellage.In the latter case, an elastic cylindrical membrane maintained under pressure ensures contact between the two layers of film for sealing.
La découpe des volets latéraux s'effectue de façon synchrone et en phase avec la mise en place des tampons absorbants.The cutting of the side flaps is done synchronously and in phase with the installation of absorbent pads.
La dépose du papier silicone simple face s'effectue après la découpe du ruban en guirlande. Néanmoins, dans une variante du procédé de réalisation selon l'invention, la dépose peut aussi s'effectuer préalablement à la découpe de la guirlande.The removal of the single-sided silicone paper takes place after the ribbon has been cut into a garland. However, in a variant of the production method according to the invention, the removal can also be carried out before cutting the garland.
Selon un mode d'exécution particulier de l'invention, représenté à la figure 1, on a représenté vu de face une serviette périodique comportant deux volets latéraux disposés asymétriquement et repliés sur la face interne de la serviette périodique.According to a particular embodiment of the invention, shown in Figure 1, there is shown seen from the front a periodic towel having two side flaps arranged asymmetrically and folded over the inner face of the periodic towel.
On a figuré le voile externe perforé (1) de la serviette périodique, la partie centrale adhésive (2) de la serviette périodique, les deux séries d'échancrures (3) et (3') d'une part, (4) et (4') d'autre part, portées à la surface d'insertion des volets latéraux sur le voile externe.The perforated external veil (1) of the periodic towel, the central adhesive part (2) of the periodic towel, the two series of notches (3) and (3 ') on the one hand, (4) and (4 ') on the other hand, brought to the insertion surface of the side flaps on the external web.
La figure 2 montre les deux volets latéraux déployés en vue de l'utilisation figurés avec chacun une surface adhésive (5) et (5'). Selon divers modes d'exécution de l'invention, ces surfaces adhésives peuvent être soit plus larges pour occuper une partie ou la totalité du volet latéral, ou bien encore se présenter sous forme de plusieurs surfaces encollées et décalées. La figure 2 montre également les échancrures (3) et C3') d'une part et (4) et (4') d'autre part, mettant en évidence l'intérêt de ces surfaces pour assurer le déploiement complet des volets.Figure 2 shows the two side flaps deployed for use shown with each an adhesive surface (5) and (5 '). According to various embodiments of the invention, these adhesive surfaces can either be wider to occupy part or all of the side flap, or even be in the form of several glued and offset surfaces. Figure 2 also shows the notches (3) and C3 ') on the one hand and (4) and (4') on the other hand, highlighting the advantage of these surfaces for ensuring deployment full of shutters.
La figure 3 montre une vue agrandie du recouvrement des deux volets latéraux lorsque ceux-ci sont rabattus, ou leur disposition asymétrique par rapport à l'axe de symétrie de la serviette périodique lorsqu'ils sont déployés.Figure 3 shows an enlarged view of the overlap of the two side flaps when they are folded down, or their asymmetrical arrangement relative to the axis of symmetry of the sanitary napkin when they are deployed.
Le triangle déterminé par le bord latéral du volet et le bord du voile de polyethylene et de textile non tissé ou voile supérieur, présente un angle au sommet d'environ 50°, alors que l'angle au sommet du même triangle lorsque le volet latéral est replié sur la serviette périodique est de 80° environ.The triangle determined by the side edge of the flap and the edge of the polyethylene and nonwoven fabric veil or upper veil has an apex angle of approximately 50 °, while the angle at the apex of the same triangle when the side flap is folded over the towel is about 80 °.
L'asymétrie des deux volets latéraux permet le repliement complet de ceux-ci après le conditionnement selon l'un des côtés du triangle ainsi déterminé, en occupant le minimum d'espace dans l'emballage. D'autres modalités de réalisation sont encore possibles sans s'écarter de la portée de la présente invention.The asymmetry of the two side flaps allows them to be completely folded after packaging along one of the sides of the triangle thus determined, occupying the minimum space in the packaging. Other embodiments are still possible without departing from the scope of the present invention.
L'invention consiste aussi en la réalisation d'un kit adaptable sur toutes les machines de fabrication existantes, employant des procédés de fabrication traditionnels schématisé sur les figures 4, 5 et 6.The invention also consists in making a kit adaptable to all existing manufacturing machines, using traditional manufacturing methods shown diagrammatically in FIGS. 4, 5 and 6.
Sur ces machines, le procédé de réalisation de la masse absorbante n'est pas modifié par rapport à la technique mais la première différence réside dans le fait d'ajouter un tissu ou un non-tissé, ou toute autre matière permettant d'augmenter la diffusion des flux. Le kit comprend donc, en premier, un dérouleur et des plieurs permettant de recouvrir ou d'enrober la masse absorbante de ce tissu supplémentaire pour améliorer la diffusion.On these machines, the process for producing the absorbent mass is not modified compared to the technique but the first difference lies in the fact of adding a fabric or a nonwoven, or any other material making it possible to increase the diffusion of flows. The kit therefore comprises, first of all, an unwinder and folding machines making it possible to cover or coat the absorbent mass of this additional fabric to improve the diffusion.
La deuxième modification des machines consiste au montage d'un stand de calandrage permettant de limiter les fuites sur les côtés du produit. La forme du calandrage est très importante. Le tampon ou masse absorbante (8) est donc réalisé avec son diffuseur (9) et peut permettre de poursuivre le processus de fabrication qui s'effectue en continu. Le tampon, une fois terminé, est déposé sur du polyethylene (6) ou sur du non-tissé (ou un film microperforé) que l'on a encollé au préalable pour cette opération. Le kit contient donc un système d'encollage (10) ainsi qu'un stand (22) pour dérouler la matière régulièrement afin d'avoir la tension souhaitée et un système d'embarreur (23) permettant de réguler le film et de le déplisser. La même station et conçue pour recouvrir le tampon et le prendre en "sandwich" entre les deux couches de film (11). Un ajout de deux bandes étanches (14) et (14') sur les côtés du tampon peut être adapté selon les besoins de fabrication et nécessite donc un dévidoir supplémentaire (13) équipé, lui aussi, d'un embarreur (12) et d'un système de régulation de tension non figuré. Les bande latérales sont ensuite découpées sur un poste de découpe (15).The second modification of the machines consists of mounting a calendering stand to limit leakage on the sides of the product. The shape of the calendering is very important. The pad or absorbent mass (8) is therefore produced with its diffuser (9) and can make it possible to continue the manufacturing process which is carried out by continued. The pad, when finished, is deposited on polyethylene (6) or on nonwoven (or microperforated film) which has been previously glued for this operation. The kit therefore contains a gluing system (10) as well as a stand (22) for unwinding the material regularly in order to have the desired tension and a bar feeder system (23) allowing the film to be regulated and unfolded . The same station and designed to cover the tampon and sandwich it between the two layers of film (11). An addition of two waterproof strips (14) and (14 ') on the sides of the tampon can be adapted according to manufacturing needs and therefore requires an additional reel (13) also equipped with a bar feeder (12) and '' a voltage regulation system not shown. The side strips are then cut on a cutting station (15).
La nappe ainsi réalisée peut subir ensuite le traitement de compression (24) de l'ensemble pour obtenir une bonne cohésion.The sheet thus produced can then undergo the compression treatment (24) of the assembly to obtain good cohesion.
La figure 6 montre la fixation des deux bandes étanches (14) et (14') sur lesquelles vient s'ajuster le film perméable.FIG. 6 shows the fixing of the two waterproof strips (14) and (14 ') on which the permeable film is adjusted.
Plusieurs variantes sont proposées avec le kit :Several variants are available with the kit:
1. compression par différence de niveau, la nappe que l'on travaille à plat et en continu, passe entre plusieurs cylindres de compression.1. compression by difference in level, the sheet which is worked flat and continuously, passes between several compression cylinders.
2. compression par un système de cylindres, souple et gonflant, qui permet de compresser et d'épouser la forme du produit.2. compression by a system of cylinders, flexible and swelling, which makes it possible to compress and conform to the shape of the product.
3. une découpe en guirlande découpant uniquement les bords du produit.3. a garland cut out cutting only the edges of the product.
4. une découpe réalisant le tour complet du produit.4. a cutout making the complete turn of the product.
5. la fabrication du produit sur machine face externe vers le haut.5. manufacture of the product on a machine with the external side up.
6. la fabrication du produit sur machine face externe vers le bas. Une fois qu'une bonne cohésion de la nappe est obtenue, on passe à l'étape suivante : la découpe latérale du produit pour obtenir les pattes de fixation.6. the production of the product on a machine with the external side down. Once a good cohesion of the sheet is obtained, we pass to the next step: the lateral cutting of the product to obtain the fixing lugs.
Le kit de montage comporte donc, en outre, une station de découpe (15) en continu ou en intermittent qui permet la réalisation des pattes de fixation latérales (le kit permet de réaliser de 1 à 10 pattes selon l'utilisation finale du produit). Ces pattes peuvent être asymétriques ou symétriques (14) et (14').The mounting kit therefore also comprises a continuous or intermittent cutting station (15) which allows the production of the lateral fixing lugs (the kit allows to make from 1 to 10 lugs depending on the end use of the product) . These legs can be asymmetrical or symmetrical (14) and (14 ').
Les chutes sont aspirées et récupérées dans des sacs.The scraps are sucked up and collected in bags.
Un ou plusieurs papiers siliconés simple face (16) enduits de colle d'un côté (17) sont déposés sur la nappe.One or more single-sided silicone papers (16) coated with glue on one side (17) are deposited on the sheet.
Le kit comprend donc encore le système de dépose et de déroulement du papier silicone (16) et (16') ainsi que le matériel d'encollage (17) et (17'). Le problème qui se pose alors consiste précisément à rabattre les pattes et à appliquer les pavés de colle sur les pattes grâce au papier silicone. C'est pourquoi, le kit selon l'invention comporte également un stand de pliage (25) une station de compression (24) ainsi qu'une station de coupe de papier silicone (26). Le produit terminé, il ne reste plus qu'à le couper à la longueur finale, à le plier et à l'emballer individuellement ou le laisser à plat pour l'utilisation.The kit therefore also includes the system for removing and unwinding the silicone paper (16) and (16 ') as well as the sizing material (17) and (17'). The problem which then arises consists precisely in folding down the legs and applying the blocks of glue to the legs using silicone paper. This is why the kit according to the invention also includes a folding stand (25), a compression station (24) and a station for cutting silicone paper (26). Once the product is finished, all you have to do is cut it to the final length, fold it and pack it individually or leave it flat for use.
La serviette présente donc un papier silicone sur la face externe ainsi que sur les pattes se trouvant sur la face interne. Lors de l'utilisation, on retire, dans un premier temps, le papier silicone de la face externe pour l'appliquer sur le fond du slip et, dans un deuxième temps, seulement le papier silicone se trouvant sur les pattes de fixation.The towel therefore has a silicone paper on the outer face as well as on the tabs on the inner face. During use, the silicone paper is first removed from the external face to apply it to the bottom of the panties and, secondly, only the silicone paper located on the fixing tabs.
La serviette périodique selon l'invention est ainsi utilisable avec seulement 4 manipulations alors que pour un modèle à 2 pattes de fixations symétriques, le nombre de manipulations est sensiblement plus élevé. The periodic towel according to the invention can thus be used with only 4 manipulations whereas for a model with 2 symmetrical fastening tabs, the number of manipulations is significantly higher.

Claims

R E V E N DI C A T I O N S R E V E N DI C A T I O N S
L'invention a pour objet :The subject of the invention is:
1°- Des pattes de fixation latérales placées sur la face externe des serviettes périodiques et disposées asymétriquement le long du bord longitudinal du dispositif de protection caractérisées en ce qu'elles sont formées de deux pièces triangulaires (2) débordant sur l'axe médian de la feuille extérieure (1) du dispositif de protection externe comportant éventuellement des encoches semi-circulaires (3)(3')(4)(4') à la base et une découpe arrondie au sommet et à la base de la pièce triangulaire et en ce que les pièces triangulaires préalablement repliées sur la face interne, sont revêtues, à la face interne, par la ou les surfaces adhésives du papier silicone simple face.1 ° - Lateral fixing lugs placed on the external face of the periodic towels and arranged asymmetrically along the longitudinal edge of the protection device, characterized in that they are formed by two triangular pieces (2) projecting over the median axis of the outer sheet (1) of the external protection device possibly comprising semicircular notches (3) (3 ') (4) (4') at the base and a rounded cut at the top and at the base of the triangular part and in that the triangular pieces previously folded on the internal face, are coated, on the internal face, by the adhesive surface (s) of single-sided silicone paper.
2°- Un procédé de production de serviettes périodiques garnies de pattes de fixation latérales selon la revendication 1° qui consiste en ce que l'on emprisonne le tampon absorbant de la serviette périodique entre un film de polyethylene et une couche de textile non tissé ou un film de polyethylene microperforé etanche vers l'extérieur, que l'on assure la fermeture des deux épaisseurs du film,que l'on découpe sur la bande, le tissu formé précédemment, constitué par le tampon et les deux couches protectrices de film etanche en formant un ruban ondulé en forme de guirlande, que l'on dépose sur cette guirlande un papier silicone dont la face interne a été, au préalable, enduite d'une manière continue ou discontinue d'une colle; que l'on dépose sur les volets latéraux préalablement repliés sur la face interne en un ou plusieurs endroits, un deuxième papier silicone dont la face interne a été préalablement enduite d'un ou plusieurs pavés de colle et enfin que l'on conditionne la serviette périodique à plat ou repliée sur elle-même. °- Un procédé selon l'une des"*revendications 1 ou 2° dans lequel la fermeture des deux épaisseurs du film est assurée par scellage ou par encollage.2 ° - A process for the production of periodic towels fitted with lateral fixing lugs according to claim 1 which consists in trapping the absorbent pad of the periodic towel between a polyethylene film and a layer of nonwoven fabric or a microperforated polyethylene film which is waterproof towards the outside, which ensures the closure of the two thicknesses of the film, which is cut from the strip, the fabric formed previously, consisting of the pad and the two protective layers of waterproof film by forming a corrugated ribbon in the form of a garland, which is placed on this garland a silicone paper, the internal face of which has been previously coated continuously or discontinuously with an adhesive; that we place on the side flaps previously folded on the internal face in one or more places, a second silicone paper whose internal face has been previously coated with one or more blocks of glue and finally that we condition the towel periodic flat or folded back on itself. ° - A method according to one of "* 1 or 2 ° claims wherein the closure of the two thicknesses of the film is provided by sealing or gluing.
e- Un procédé de fabrication industrielle de serviettes périodiques selon la revendication 1° formé d'une succession de postes de travail effectuée par des machines spécialisées, dans lequel on réalise, en premier lieu, une masse absorbante selon les procédés connus en soi en ajoutant un tissu ou toute autre matière permettant d'augmenter la diffusion des flux à l'aide d'un dérouleur et de plieurs, en ce qu'on pourvoit la ligne de fabrication d'un dispositif de calandrage qui confère au tampon absorbant ainsi formé, une forme particulière permettant de limiter les fuites latérales, en ce que l'on dépose le tampon ainsi formé sur une couche de matériau imperméable encollé au préalable, tout en s'assurant du parfait déroulement du film et de son déplissage à l'aide d'un dérouleur et d'un embarreur, en ce que l'on recouvre le tampon et le prend en "sandwich" entre les deux couches de film, le cas échéant, ajoute une bande etanche de chaque côté du tampon puis soumet l'ensemble à une opération de compression pour réaliser une bonne cohésion de l'article de protection. e - A process for the industrial manufacture of periodic towels according to claim 1, formed by a succession of work stations carried out by specialized machines, in which an absorbent mass is produced, first of all, according to the processes known per se by adding a fabric or any other material making it possible to increase the diffusion of the flows using an unwinder and folding machines, in that the production line is provided with a calendering device which gives the absorbent pad thus formed, a particular shape to limit lateral leakage, in that the pad thus formed is deposited on a layer of waterproof material previously glued, while ensuring the perfect unwinding of the film and its unfolding using '' an unwinder and a bar feeder, in that the pad is covered and sandwiched between the two layers of film, if necessary, adds a waterproof strip on each side of the pad p uis subjects the assembly to a compression operation to achieve good cohesion of the protective article.
°- Un procédé selon la revendication 4° dans lequel le matériau imperméable est constitué par du polyethylene ou un textile non tissé.° - A method according to claim 4 ° wherein the impermeable material consists of polyethylene or a non-woven fabric.
e- Un procédé selon la revendication 2° dans lequel le tampon absorbant est emprisonné entre le film de polyethylene et le textile non tissé ou un film de polyethylene perforé imperméable vers l'extérieur. e - A method according to claim 2 in which the absorbent pad is trapped between the polyethylene film and the nonwoven fabric or a perforated polyethylene film impermeable to the outside.
e- Un procédé selon les revendications 2 à 6° dans lequel la découpe latérale ou complète des ailettes s'effectue sur la bande constituée par le tampon et les deux films, de façon synchrone et en phase avec les tampons. °- Un procédé selon l'une des revendication 2 à 7° dans lequel on dépose sur les bandes latérales de la serviette périodique un papier silicone deux faces dont les faces côté tampon ont été préalablement enduites de colle. e - A method according to claims 2 to 6 ° wherein the lateral or complete cutting of the fins is carried out on the strip formed by the pad and the two films, synchronously and in phase with the pads. ° - A method according to one of claims 2 to 7 ° wherein is deposited on the side strips of the sanitary napkin two-sided silicone paper whose buffer side faces have been previously coated with glue.
°- Un procédé selon l'une des revendications 2 à 8° dans lequel on dépose un ou plusieurs pavés de colle sur la face interne du papier silicone postérieurement à la découpe des bandes latérales.° - A method according to one of claims 2 to 8 ° wherein one or more blocks of adhesive are deposited on the inner face of the silicone paper after the cutting of the side bands.
e- Un procédé selon l'une des revendications 2 à 9° dans lequel les ailettes sont ensuite repliées sur le ou les pavés de colle avant la dépose du papier silicone. °- Un procédé selon l'une des revendications 2 à 10° dans lequel la papier silicone est découpé préalablement à l'application sur les pattes. e - A method according to one of claims 2 to 9 ° wherein the fins are then folded over the pad or blocks of glue before the removal of the silicone paper. ° - A method according to one of claims 2 to 10 ° wherein the silicone paper is cut prior to application on the legs.
°- Un procédé selon l'une des revendications 2 à 11° dans lequel les ailettes sont repliées avant la dépose du papier silicone sur le ou les pavés de colle.° - A method according to one of claims 2 to 11 ° wherein the fins are folded before depositing the silicone paper on the pad or blocks of glue.
°- Un procédé selon l'une des revendications 2 à 12° dans lequel on découpe à la longueur finale, la serviette périodique, on la plie et on l'emballe individuellement.° - A method according to one of claims 2 to 12 ° wherein the periodic towel is cut to the final length, folded and wrapped individually.
°- Les serviettes périodiques fabriquées selon le procédé défini dans l'une des revendications 2 à 13°.° - Periodic towels produced according to the process defined in one of Claims 2 to 13 °.
°- Les serviettes périodiques selon la revendication 14° comportant les pattes de fixation adhésives telles que définies à la revendication 1°. ° - Periodic towels according to claim 14 ° comprising the adhesive fixing lugs as defined in claim 1 °.
EP93914796A 1992-08-14 1993-07-01 New device for attaching hygienic articles, and production method Withdrawn EP0610462A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
FR9210052A FR2694690B1 (en) 1992-08-14 1992-08-14 New attachment device for external female protections and its production process.
FR9210052 1992-08-14
FR9300829A FR2700687B1 (en) 1993-01-27 1993-01-27 New fastening device for hygiene articles and its production process.
FR9300829 1993-01-27
PCT/FR1993/000671 WO1994004110A1 (en) 1992-08-14 1993-07-01 New device for attaching hygienic articles, and production method

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EP (1) EP0610462A1 (en)
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FI (1) FI941697A0 (en)
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TNSN93089A1 (en) 1994-03-17
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US5401268A (en) 1995-03-28
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NO941326D0 (en) 1994-04-13
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IL106659A0 (en) 1993-12-08
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