EP3976903A1 - Strip applicator with strip protection and method for maintaining such an applicator - Google Patents

Strip applicator with strip protection and method for maintaining such an applicator

Info

Publication number
EP3976903A1
EP3976903A1 EP19739672.4A EP19739672A EP3976903A1 EP 3976903 A1 EP3976903 A1 EP 3976903A1 EP 19739672 A EP19739672 A EP 19739672A EP 3976903 A1 EP3976903 A1 EP 3976903A1
Authority
EP
European Patent Office
Prior art keywords
tank
wall
applicator
free end
cylinder
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
Application number
EP19739672.4A
Other languages
German (de)
French (fr)
Other versions
EP3976903B8 (en
EP3976903B1 (en
Inventor
Lionel DELESTRE
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.)
Edma
Original Assignee
Pierre Grehal et Cie 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
Application filed by Pierre Grehal et Cie SA filed Critical Pierre Grehal et Cie SA
Publication of EP3976903A1 publication Critical patent/EP3976903A1/en
Application granted granted Critical
Publication of EP3976903B1 publication Critical patent/EP3976903B1/en
Publication of EP3976903B8 publication Critical patent/EP3976903B8/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F21/00—Implements for finishing work on buildings
    • E04F21/02—Implements for finishing work on buildings for applying plasticised masses to surfaces, e.g. plastering walls
    • E04F21/026—Implements for finishing work on buildings for applying plasticised masses to surfaces, e.g. plastering walls for applying adhesive or joint compound to joint tapes, in particular drywall tapes
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F21/00—Implements for finishing work on buildings
    • E04F21/165—Implements for finishing work on buildings for finishing joints, e.g. implements for raking or filling joints, jointers
    • E04F21/1655—Implements for finishing work on buildings for finishing joints, e.g. implements for raking or filling joints, jointers for finishing corner joints
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F21/00—Implements for finishing work on buildings
    • E04F21/165—Implements for finishing work on buildings for finishing joints, e.g. implements for raking or filling joints, jointers
    • E04F21/1657—Implements for finishing work on buildings for finishing joints, e.g. implements for raking or filling joints, jointers for applying tape to joints, e.g. drywall taper tools

Definitions

  • the present invention relates to a tape applicator with tape protection and a method for maintaining such an applicator.
  • Such an applicator is intended for laying a strip of paper or similar material, in the form of a roll, between two adjacent plasterboards, under construction or under renovation, and this by means of a pasty plaster.
  • the coating fills the space between the two plates and the strip keeps it together.
  • the tape is laid between two plates arranged on the same plane or at an angle. Once the plaster and tape are in place, the user smooths it out with a flat or angled spatula for angles. The tape thus ensures a perfectly smooth seal between the plates.
  • They also include a reel of a jointing tape on a roll for performing many joints, especially on large construction sites.
  • the reservoir has, with reference to the position of use, an inlet slot for the strip formed between a free end of a rear wall of the reservoir and a first free end of a lower wall of the reservoir, and an outlet slot for the strip formed between a free end of a front wall of the reservoir and a second free end of the lower wall of the reservoir.
  • the latter further comprises two walls
  • the cover can be removable by removal or by pivoting.
  • the cover is opened, the strip is manually placed against the rear, upper and front walls, then the space provided between the strip thus positioned and the lower surface of the reservoir is filled with plaster.
  • An application head is generally intended to be fixed on the front wall of the reservoir, above the outlet slot, to ensure good application of the strip, that is to say a training of the tape loaded with sealer out of the applicator and a plating of the tape against the drywall. A finishing smoothing is then carried out by the user using a spatula.
  • the application head which generally comprises at least one wheel
  • inlet which is an inflection point in the web between the reel and the exit slot, especially when the reservoir is full and the web is pressed against the top wall of the reservoir.
  • An objective of the present invention is therefore to provide an applicator of simple design and easy maintenance, allowing rapid application of the band, while limiting the risk of the band breaking at the entry slot.
  • the present invention also aims to provide a versatile applicator, that is to say capable of adapting to the use of coatings of different viscosities, while limiting the risk of the strip breaking during installation. .
  • An objective of the present invention is therefore to provide a tape applicator provided with adjustment means that are easy to implement and robust, not very sensitive to abrasion and to heat, and inexpensive, that is to say - say easily replaceable, without tools.
  • the geometry of the slot is modified and adapted to
  • the invention relates to a jointing tape applicator between two plasterboards, the applicator comprising a reel for a jointing tape in roll and a coating reservoir in which the tape is unwound in use.
  • the reservoir having, with reference to the position of use, an inlet slot for the strip formed between a free end of a rear wall of the reservoir and a first free end of a lower wall of the reservoir, and a slot outlet of the strip formed between a free end of a front wall of the tank and a second free end of the bottom wall of the tank, the latter further comprising two side walls, one of which constitutes a removable side cover d 'access to the interior of the tank.
  • the free end of the rear wall of the tank and the first free end of the lower wall of the tank comprise a cylinder of section greater than a thickness of the wall on which each cylinder is attached, and in that each cylinder is covered by a removable protective sleeve, of section complementary to the cylinder as the sleeve covers, each protective sleeve having a longitudinal opening delimited by two locking edges against the wall carrying the cylinder that the sleeve covers.
  • Each cylinder may have a circular section, each protective sleeve having an open circular section in C; and or
  • the protective sleeves may have a thickness such that, when they are inserted around the cylinders of the free end of the rear wall and of the lower wall, they are spaced apart by an entry slot height such that, in use, the tape can pass freely, but not the coating stored in the tank.
  • the invention also relates to a kit for applying a jointing tape between two plasterboards, the kit comprising a previous applicator and a plurality of protective sleeves of different thicknesses to allow height adjustment of the entry gap depending on the viscosity of the plaster to be used.
  • the subject of the invention is also a process for the maintenance of a
  • a foregoing jointing tape applicator comprising the following steps:
  • FIG. 1 shows a schematic perspective view of a tape applicator according to the invention in the position of use, that is to say in the position of application of a tape;
  • FIG. 2 is a schematic perspective view of the tape applicator of Figure 1 in which the access cover to the interior of the reservoir is open;
  • FIG. 3 is a schematic perspective view of an applicator according to the invention comprising a tape entry slot protection system
  • FIG. 4 is a schematic perspective view of an enlarged view of Figure 3 centered on the tape entry slot, which includes abrasion protection sleeves;
  • FIG. 5 is a schematic exploded perspective view of Figure 4 illustrating the particular structure of the protective sleeves according to the invention.
  • FIG. 1 An applicator provided with tape protection means at the entry slot according to the invention is illustrated in Figures 1 and 2.
  • the applicator 1 comprises a reel 2 for a jointing strip in
  • roller 3 (shown in dotted lines) and a coating reservoir 4 in which the strip unwinds, in use.
  • the applicator also includes a gripping handle 5 for its transport or operational handling during the application of the strip.
  • the applicator can include a gripping strap (not shown) allowing the applicator to be gripped from below.
  • the reservoir 4 has, with reference to the position of use, an inlet slot 6 of the strip formed between a free end 7a of a rear wall 7 of the reservoir and a first free end 8a of a lower wall 8 of the reservoir.
  • the reservoir 4 also comprises an outlet slot 9 of the strip
  • the tank further comprising two side walls 1 1 and 12, one of which constitutes a removable side cover 1 1 allowing access to the interior of the tank 4.
  • the applicator can include an application head 100 having particular functionalities, for example of applying the strip at an angle.
  • the invention provides means for effective and inexpensive protection of the entry slot of the strip against abrasion and temperature rises, and with very easy maintenance. .
  • free end 8a of the lower wall 8 of the reservoir each comprise a cylinder, respectively 7a1 and 8a1, of section D1 -superior to a thickness E1 of the wall (respectively 7 and 8) on which each cylinder 7a1 and 8a1 is attached.
  • each cylinder, respectively 7a1 and 8a1 is covered by a removable protective sleeve, respectively 201 and 202, with an inner section complementary to the cylinder, respectively 7a1 and 8a1, which the sleeve covers.
  • Each protective sleeve 201 and 202 has an opening
  • the sleeves 201 -202 are thus self-locking against the wall which carries the cylinders, because the edges 201 b and 202b of the longitudinal openings 201 a-202a are arranged at the junction between the wall and the cylinder, which junction has a inflection point preventing the sleeves from sliding or falling out of the cylinder.
  • These sleeves are advantageously made of metal, such as stainless steel.
  • the maintenance process of such a tape applicator comprises a first step of opening the side wall constituting the removable side cover 1 1 to access the interior of the reservoir 4 and the free ends 7a and 8a of the rear wall 7 and the lower wall 8.
  • New protective sleeves are then inserted by sliding them along the cylinders 7a1 -8a1 carried by the free ends of the rear wall and of the lower wall of the tank. For this, we align the longitudinal opening of each sleeve with the wall 7 or 8 yet the cylinder on which the sleeve is threaded. The blocking edges 201 b and 202b of the longitudinal openings 201 a-202a of the sleeves are then placed at the junction between the wall and the cylinder.
  • each cylinder 7a1 -8a1 has a section
  • each protective sleeve 201 -202 has an open circular section in C. This ensures optimal contact with the strip during application, without stopping, and prevents the tape from tearing. It is then possible to increase the speed of application.
  • this structure of the sleeves also allows the applicator to be adapted to the viscosity of the coating used.
  • the protective sleeves 201 -202 have a thickness such that, when they are inserted around the cylinders of the free end of the rear wall and of the lower wall, they are spaced apart by a height. entry slot such that, in use, the strip can pass freely, but not the coating stored in the tank.
  • a jointing tape application kit between two plasterboards comprising a tape applicator and a plurality of protective sleeves of different thicknesses to allow height adjustment of the entry slot depending on the viscosity of the plaster to be used.
  • the applicator is very versatile since it adapts to different

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Coating Apparatus (AREA)

Abstract

The invention relates to a strip applicator for joining two plasterboards. The applicator comprises a tank of covering material, in which the strip is unwound. The tank has an inlet gap for the strip which is arranged between a free end of a rear wall of the tank and a first free end of a lower wall of the tank. The free end of the rear wall (7) of the tank and the first free end of the lower wall of the tank comprise a cylinder (7al-8al) having a cross-section (DI) greater than a thickness (EI) of the wall to which each cylinder is attached, each cylinder being covered by a removable protection sleeve (201-202) having an internal cross-section which complements the cylinder which the sleeve covers, each protection sleeve having a longitudinal opening (201a-202a) which is delimited by two blocking edges (201b-202b) against the wall carrying the cylinder which the sleeve covers.

Description

Description Description
Titre de l'invention : Applicateur de bande à protection de bande et procédé de maintenance d’un tel applicateur Title of the invention: Tape applicator with tape protection and method for maintaining such an applicator
[0001 ] La présente invention concerne un applicateur de bande à protection de bande et un procédé de maintenance d’un tel applicateur. [0001] The present invention relates to a tape applicator with tape protection and a method for maintaining such an applicator.
[0002] Un tel applicateur est destiné à la pose d’une bande en papier ou matériau similaire, se présentant sous forme de rouleau, entre deux plaques de plâtre adjacentes, en construction ou en rénovation, et ceci par l'intermédiaire d'un enduit pâteux. [0002] Such an applicator is intended for laying a strip of paper or similar material, in the form of a roll, between two adjacent plasterboards, under construction or under renovation, and this by means of a pasty plaster.
[0003] Ainsi, l’enduit comble l’espace entre les deux plaques et la bande maintient l’ensemble. [0003] Thus, the coating fills the space between the two plates and the strip keeps it together.
[0004] La pose de bande se fait entre deux plaques disposées sur un même plan ou en angle. Une fois l’enduit et la bande positionnés, l’utilisateur lisse l’ensemble à l’aide d’une spatule plate ou coudée pour les angles. La bande assure ainsi d’obtenir un joint parfaitement lisse entre les plaques. [0004] The tape is laid between two plates arranged on the same plane or at an angle. Once the plaster and tape are in place, the user smooths it out with a flat or angled spatula for angles. The tape thus ensures a perfectly smooth seal between the plates.
[0005] On connaît déjà des applicateurs de bande, communément appelés We already know tape applicators, commonly called
« banjo », illustrés, par exemple dans le document US2328571 . Ils comprennent un réservoir d’enduit dans lequel la bande se charge en enduit lors de “Banjo”, illustrated, for example in the document US2328571. They include a plaster tank in which the strip loads with plaster during
l’application. Ils comprennent également un dévidoir d’une bande de jointement en rouleau pour effectuer de nombreux jointements, notamment sur les grands chantiers. the application. They also include a reel of a jointing tape on a roll for performing many joints, especially on large construction sites.
[0006] À cette fin, le réservoir présente, par référence à la position d’utilisation, une fente d’entrée de la bande ménagée entre une extrémité libre d’une paroi arrière du réservoir et une première extrémité libre d’une paroi inférieure du réservoir, et une fente de sortie de la bande ménagée entre une extrémité libre d’une paroi frontale du réservoir et une deuxième extrémité libre de la paroi inférieure du réservoir. [0006] To this end, the reservoir has, with reference to the position of use, an inlet slot for the strip formed between a free end of a rear wall of the reservoir and a first free end of a lower wall of the reservoir, and an outlet slot for the strip formed between a free end of a front wall of the reservoir and a second free end of the lower wall of the reservoir.
[0007] Pour remplir le réservoir, ce dernier comprend, en outre, deux parois [0007] To fill the reservoir, the latter further comprises two walls
latérales, dont l’une constitue un capot latéral amovible d’accès à l’intérieur du réservoir. Le capot peut être amovible par retrait ou par pivotement. [0008] Pour remplir les applicateurs de type banjo, on ouvre le capot, on place manuellement la bande contre les parois arrière, supérieure et frontale, puis on remplit l’espace ménagé entre la bande ainsi positionnée et la surface inférieure du réservoir avec de l’enduit. side, one of which constitutes a removable side cover for access to the interior of the tank. The cover can be removable by removal or by pivoting. To fill the banjo type applicators, the cover is opened, the strip is manually placed against the rear, upper and front walls, then the space provided between the strip thus positioned and the lower surface of the reservoir is filled with plaster.
[0009] Une tête d’application est généralement destinée à être fixée sur la paroi frontale du réservoir, au-dessus de la fente de sortie, pour assurer une bonne application de la bande, c’est-à-dire un entrainement de la bande chargée d’enduit hors de l’applicateur et un plaquage de la bande contre les plaques de plâtre. Un lissage de finition est ensuite effectué par l’utilisateur à l’aide d’une spatule. [0009] An application head is generally intended to be fixed on the front wall of the reservoir, above the outlet slot, to ensure good application of the strip, that is to say a training of the tape loaded with sealer out of the applicator and a plating of the tape against the drywall. A finishing smoothing is then carried out by the user using a spatula.
[0010] Lors de l’application de la bande, celle-ci subit de fortes contraintes : par la tête d’application qui comprend généralement au moins une roulette [0010] During the application of the strip, the latter is subjected to strong constraints: by the application head which generally comprises at least one wheel
d’entrainement qui tire sur la bande et qui l’applique contre les plaques de plâtre, par le frottement contre l’enduit et par le frottement contre la fente d’entrée de la bande. drive that pulls the strip and places it against the plasterboard, by rubbing against the plaster and by rubbing against the entrance slot of the strip.
[001 1] Le phénomène d’abrasion lors de l’application de la bande est connu et se manifeste le plus souvent au niveau de la fente de sortie qui subit des [001 1] The phenomenon of abrasion during the application of the strip is known and most often manifests itself at the level of the exit slot which is subjected to
frottements importants par la bande chargée d’enduit. En outre, ces frottements génèrent une forte montée en température qui augmente l’érosion de la fente de sortie, le réservoir étant généralement en plastique. significant friction by the strip loaded with plaster. In addition, this friction generates a sharp rise in temperature which increases the erosion of the outlet slit, the reservoir being generally made of plastic.
[0012] Le phénomène d’abrasion se manifeste également au niveau de la fente [0012] The abrasion phenomenon is also manifested at the level of the slot
d’entrée qui constitue un point d’inflexion dans la bande, entre le dévidoir et la fente de sortie, en particulier lorsque le réservoir est plein et que la bande est appliquée contre la paroi supérieure du réservoir. inlet which is an inflection point in the web between the reel and the exit slot, especially when the reservoir is full and the web is pressed against the top wall of the reservoir.
[0013] Ainsi, en cas de traction trop forte, par exemple lorsque le mouvement Thus, in the event of excessive traction, for example when the movement
d’application est rapide, la bande chauffe fortement à l’entrée du réservoir, et il est fréquent qu’elle casse, ce qui oblige à ouvrir le réservoir et à replacer la bande. Cette opération est particulièrement chronophage et salissante lorsque le réservoir est plein. Application is quick, the strip heats up sharply at the inlet of the tank, and is frequently broken, requiring the tank to be opened and the strip replaced. This operation is particularly time-consuming and messy when the tank is full.
[0014] Un objectif de la présente invention est donc de proposer un applicateur de conception simple et d’entretien facile, permettant une application rapide de la bande, tout en limitant les risques de rupture de la bande au niveau de la fente d’entrée. An objective of the present invention is therefore to provide an applicator of simple design and easy maintenance, allowing rapid application of the band, while limiting the risk of the band breaking at the entry slot.
[0015] Outre l’intérêt économique d’une pose rapide de la bande, cette pose rapide peut également présenter un intérêt technique si l’enduit utilisé est [0015] In addition to the economic advantage of a rapid installation of the strip, this rapid installation can also be of technical interest if the coating used is
particulièrement fluide. particularly fluid.
[0016] En effet, certains utilisateurs utilisent un enduit plus liquide que les enduits vendus prêts à l’emploi, pour des raisons pratiques, économiques ou techniques. [0016] Indeed, some users use a more liquid coating than the coatings sold ready to use, for practical, economic or technical reasons.
[0017] Or, un enduit liquide a de forts risques de fuir à travers la fente d’entrée, [0017] However, a liquid coating has a high risk of leaking through the entry slit,
même si le mouvement de la bande a tendance à entraîner l’enduit vers la fente de sortie. although the movement of the web tends to drive the coating towards the exit slot.
[0018] La présente invention vise également à proposer un applicateur polyvalent, c’est-à-dire pouvant s’adapter à l’utilisation d’enduits de viscosités différentes, tout en limitant le risque de rupture de la bande lors de la pose. [0018] The present invention also aims to provide a versatile applicator, that is to say capable of adapting to the use of coatings of different viscosities, while limiting the risk of the strip breaking during installation. .
[0019] Un objectif de la présente invention est donc de proposer un applicateur de bande muni de moyens de réglage faciles à mettre en œuvre et robustes, peu sensibles à l’abrasion et à la chaleur, et peu coûteux, c’est-à-dire facilement remplaçables, sans outils. An objective of the present invention is therefore to provide a tape applicator provided with adjustment means that are easy to implement and robust, not very sensitive to abrasion and to heat, and inexpensive, that is to say - say easily replaceable, without tools.
[0020] Selon l’invention, la géométrie de la fente est modifiée et adaptée pour [0020] According to the invention, the geometry of the slot is modified and adapted to
recevoir des manchons de protection auto fixant, dont l’épaisseur est choisie pour adapter la hauteur de la fente à la viscosité de l’enduit employé. receive self-fixing protective sleeves, the thickness of which is chosen to adapt the height of the slot to the viscosity of the coating used.
[0021 ] Ainsi, l’invention a pour objet un applicateur de bande de jointement entre deux plaques de plâtre, l’applicateur comprenant un dévidoir pour une bande de jointement en rouleau et un réservoir d’enduit dans lequel se déroule la bande en utilisation, le réservoir présentant, par référence à la position d’utilisation, une fente d’entrée de la bande ménagée entre une extrémité libre d’une paroi arrière du réservoir et une première extrémité libre d’une paroi inférieure du réservoir, et une fente de sortie de la bande ménagée entre une extrémité libre d’une paroi frontale du réservoir et une deuxième extrémité libre de la paroi inférieure du réservoir, ce dernier comprenant, en outre, deux parois latérales, dont l’une constitue un capot latéral amovible d’accès à l’intérieur du réservoir. Selon l’invention, l’extrémité libre de la paroi arrière du réservoir et la première extrémité libre de la paroi inférieure du réservoir comprennent un cylindre de section supérieure à une épaisseur de la paroi sur laquelle chaque cylindre est rattaché, et en ce que chaque cylindre est recouvert par un manchon de protection amovible, de section complémentaire au cylindre que le manchon recouvre, chaque manchon de protection présentant une ouverture longitudinale délimitée par deux bords de blocage contre la paroi portant le cylindre que le manchon recouvre. Thus, the invention relates to a jointing tape applicator between two plasterboards, the applicator comprising a reel for a jointing tape in roll and a coating reservoir in which the tape is unwound in use. , the reservoir having, with reference to the position of use, an inlet slot for the strip formed between a free end of a rear wall of the reservoir and a first free end of a lower wall of the reservoir, and a slot outlet of the strip formed between a free end of a front wall of the tank and a second free end of the bottom wall of the tank, the latter further comprising two side walls, one of which constitutes a removable side cover d 'access to the interior of the tank. According to the invention, the free end of the rear wall of the tank and the first free end of the lower wall of the tank comprise a cylinder of section greater than a thickness of the wall on which each cylinder is attached, and in that each cylinder is covered by a removable protective sleeve, of section complementary to the cylinder as the sleeve covers, each protective sleeve having a longitudinal opening delimited by two locking edges against the wall carrying the cylinder that the sleeve covers.
[0022] Selon des modes particuliers de réalisation : [0022] According to particular embodiments:
- chaque cylindre peut présenter une section circulaire, chaque manchon de protection présentant une section circulaire ouverte en C ; et/ou - Each cylinder may have a circular section, each protective sleeve having an open circular section in C; and or
- les manchons de protection peuvent présenter une épaisseur telle que, lorsqu’ils sont insérés autour des cylindres de l’extrémité libre de la paroi arrière et de la paroi inférieure, ils sont espacés d’une hauteur de fente d’entrée telle que, en utilisation, la bande peut passer librement, mais pas l’enduit stocké dans le réservoir. - the protective sleeves may have a thickness such that, when they are inserted around the cylinders of the free end of the rear wall and of the lower wall, they are spaced apart by an entry slot height such that, in use, the tape can pass freely, but not the coating stored in the tank.
[0023] L’invention a également pour objet un kit d’application de bande de jointement entre deux plaques de plâtre, le kit comprenant un applicateur précédent et une pluralité de manchons de protection d’épaisseurs différentes pour permettre un réglage en hauteur de la fente d’entrée en fonction de la viscosité de l’enduit devant être utilisé. The invention also relates to a kit for applying a jointing tape between two plasterboards, the kit comprising a previous applicator and a plurality of protective sleeves of different thicknesses to allow height adjustment of the entry gap depending on the viscosity of the plaster to be used.
[0024] L’invention a également pour objet un procédé de maintenance d’un [0024] The subject of the invention is also a process for the maintenance of a
applicateur de bande de jointement précédent, le procédé comprenant les étapes suivantes : A foregoing jointing tape applicator, the method comprising the following steps:
a) ouvrir la paroi latérale constituant le capot latéral amovible pour accéder à l’intérieur du réservoir et aux extrémités libres de la paroi arrière et de la paroi inférieure ; a) open the side wall constituting the removable side cover to access the interior of the tank and the free ends of the rear wall and the bottom wall;
b) retirer les manchons de protection des extrémités libres de la paroi arrière et de la paroi inférieure du réservoir en les faisant coulisser le long des cylindres portés par lesdites extrémités libres de la paroi arrière et de la paroi inférieure du réservoir ; b) removing the protective sleeves from the free ends of the rear wall and of the lower wall of the tank by sliding them along the cylinders carried by said free ends of the rear wall and of the lower wall of the tank;
c) insérer de nouveaux manchons de protection en les faisant coulisser le long des cylindres portés par les extrémités libres de la paroi arrière et de la paroi inférieure du réservoir ; c) insert new protective sleeves by sliding them along the cylinders carried by the free ends of the rear wall and the wall lower tank;
d) refermer la paroi latérale constituant le capot latéral amovible. d) close the side wall constituting the removable side cover.
[0025] D’autres caractéristiques de l’invention seront énoncées dans la description détaillée ci-après, faite en référence aux dessins annexés, qui représentent, respectivement : : Other features of the invention will be set out in the detailed description below, made with reference to the accompanying drawings, which represent, respectively:
[0026] [Fig. 1] représente une vue schématique en perspective d’un applicateur de bande selon l’invention en position d’utilisation, c’est-à-dire en position d’application d’une bande ; [0026] [Fig. 1] shows a schematic perspective view of a tape applicator according to the invention in the position of use, that is to say in the position of application of a tape;
[0027] [Fig. 2] représente une vue schématique en perspective de l’applicateur de bande de la figure 1 dans lequel le capot d’accès à l’intérieur du réservoir est ouvert ; [0027] [Fig. 2] is a schematic perspective view of the tape applicator of Figure 1 in which the access cover to the interior of the reservoir is open;
[0028] [Fig. 3] représente une vue schématique en perspective d’un applicateur selon l’invention comprenant un système de protection de la fente d’entrée de bande ; [0028] [Fig. 3] is a schematic perspective view of an applicator according to the invention comprising a tape entry slot protection system;
[0029] [Fig. 4] représente une vue schématique en perspective d’un agrandissement de la figure 3 centré sur la fente d’entrée de bande, qui comprend des manchons de protection contre l’abrasion ; et [0029] [Fig. 4] is a schematic perspective view of an enlarged view of Figure 3 centered on the tape entry slot, which includes abrasion protection sleeves; and
[0030] [Fig. 5] représente une vue schématique en perspective éclatée de la figure 4 illustrant la structure particulière des manchons de protection selon l’invention. [0030] [Fig. 5] is a schematic exploded perspective view of Figure 4 illustrating the particular structure of the protective sleeves according to the invention.
[0031 ] Un applicateur muni de moyens de protection de bande au niveau de la fente d’entrée selon l’invention est illustré aux figures 1 et 2. [0031] An applicator provided with tape protection means at the entry slot according to the invention is illustrated in Figures 1 and 2.
[0032] L’applicateur 1 comprend un dévidoir 2 pour une bande de jointement en [0032] The applicator 1 comprises a reel 2 for a jointing strip in
rouleau 3 (illustré en pointillé) et un réservoir 4 d’enduit dans lequel se déroule la bande, en utilisation. roller 3 (shown in dotted lines) and a coating reservoir 4 in which the strip unwinds, in use.
[0033] L’applicateur comprend également une poignée de préhension 5 servant à son transport ou sa manipulation opérationnelle lors de l’application de la bande. [0033] The applicator also includes a gripping handle 5 for its transport or operational handling during the application of the strip.
[0034] Alternativement ou en combinaison, l’applicateur peut comprendre une sangle de préhension (non illustrée) permettant de saisir l’applicateur par le dessous. [0034] Alternatively or in combination, the applicator can include a gripping strap (not shown) allowing the applicator to be gripped from below.
[0035] Comme illustré en figure 2, le réservoir 4 présente, par référence à la position d’utilisation, une fente d’entrée 6 de la bande ménagée entre une extrémité libre 7 a d’une paroi arrière 7 du réservoir et une première extrémité libre 8a d’une paroi inférieure 8 du réservoir. As illustrated in Figure 2, the reservoir 4 has, with reference to the position of use, an inlet slot 6 of the strip formed between a free end 7a of a rear wall 7 of the reservoir and a first free end 8a of a lower wall 8 of the reservoir.
[0036] Le réservoir 4 comprend également une fente de sortie 9 de la bande The reservoir 4 also comprises an outlet slot 9 of the strip
ménagée entre une extrémité libre 10a d’une paroi frontale 10 du réservoir et une deuxième extrémité libre 8b de la paroi inférieure 8 du réservoir. formed between a free end 10a of a front wall 10 of the tank and a second free end 8b of the bottom wall 8 of the tank.
[0037] Le réservoir comprenant, en outre, deux parois latérales 1 1 et 12, dont l’une constitue un capot latéral amovible 1 1 permettant l’accès à l’intérieur du réservoir 4. The tank further comprising two side walls 1 1 and 12, one of which constitutes a removable side cover 1 1 allowing access to the interior of the tank 4.
[0038] L’applicateur peut comporter une tête d’application 100 ayant des fonctionnalités particulières, par exemple d’application de la bande dans un angle. [0038] The applicator can include an application head 100 having particular functionalities, for example of applying the strip at an angle.
[0039] Comme illustré aux figures 3 à 5, l’invention prévoit des moyens permettant une protection efficace et peu coûteuse de la fente d’entrée de la bande contre l’abrasion et les hausses de température, et ce avec un entretien très facile. As illustrated in Figures 3 to 5, the invention provides means for effective and inexpensive protection of the entry slot of the strip against abrasion and temperature rises, and with very easy maintenance. .
[0040] En outre, ces moyens permettent de réduire les fuites d’enduit au niveau de la fente d’entrée 6 de la bande 3, en fonction de la viscosité de l’enduit. Ils permettent ainsi un meilleur contrôle du débit d’enduit au niveau de la fente de sortie 9. [0040] In addition, these means make it possible to reduce the leakage of coating at the level of the entry slot 6 of the strip 3, depending on the viscosity of the coating. They thus allow better control of the flow of plaster at the outlet slot 9.
[0041 ] Ainsi, l’extrémité libre 7a de la paroi arrière 7 du réservoir et la première Thus, the free end 7a of the rear wall 7 of the tank and the first
extrémité libre 8a de la paroi inférieure 8 du réservoir comprennent chacune un cylindre, respectivement 7a1 et 8a1 , de section D1 -supérieure à une épaisseur E1 de la paroi (respectivement 7 et 8) sur laquelle chaque cylindre 7a1 et 8a1 est rattaché. free end 8a of the lower wall 8 of the reservoir each comprise a cylinder, respectively 7a1 and 8a1, of section D1 -superior to a thickness E1 of the wall (respectively 7 and 8) on which each cylinder 7a1 and 8a1 is attached.
[0042] Selon l’invention, chaque cylindre, respectivement 7a1 et 8a1 , est recouvert par un manchon de protection amovible, respectivement 201 et 202, de section intérieure complémentaire au cylindre, respectivement 7a1 et 8a1 , que le manchon recouvre. [0042] According to the invention, each cylinder, respectively 7a1 and 8a1, is covered by a removable protective sleeve, respectively 201 and 202, with an inner section complementary to the cylinder, respectively 7a1 and 8a1, which the sleeve covers.
[0043] Chaque manchon de protection 201 et 202 présente une ouverture Each protective sleeve 201 and 202 has an opening
longitudinale 201 a-202a, délimitée par deux bords de blocage, respectivement 201 b et 202b contre la paroi (respectivement 7 et 8) portant le cylindre, longitudinal 201 a-202a, delimited by two locking edges, respectively 201 b and 202b against the wall (respectively 7 and 8) carrying the cylinder,
respectivement 7a1 et 8a1 , que le manchon, respectivement 201 et 202, recouvre. [0044] Les manchons 201 -202 sont ainsi auto bloquant contre la paroi qui porte les cylindres, car les bords 201 b et 202b des ouvertures longitudinales 201 a-202a sont agencés à la jonction entre la paroi et le cylindre, jonction qui présente un point d’inflexion empêchant les manchons de coulisser ou de tomber hors du cylindre. respectively 7a1 and 8a1, which the sleeve, respectively 201 and 202, covers. The sleeves 201 -202 are thus self-locking against the wall which carries the cylinders, because the edges 201 b and 202b of the longitudinal openings 201 a-202a are arranged at the junction between the wall and the cylinder, which junction has a inflection point preventing the sleeves from sliding or falling out of the cylinder.
[0045] Ces manchons sont avantageusement en métal, tel que de l’acier inoxydable. [0045] These sleeves are advantageously made of metal, such as stainless steel.
Il présente ainsi une résistance à l’abrasion et à la chaleur très supérieure à celle du plastique généralement utilisé pour la fabrication des applicateurs de bande. It thus has a resistance to abrasion and heat much higher than that of the plastic generally used for the manufacture of tape applicators.
[0046] Par ailleurs, cette structure des extrémités libres des parois arrière et Moreover, this structure of the free ends of the rear walls and
inférieure est très facile à réaliser par moulage. lower is very easy to achieve by molding.
[0047] Le changement des manchons, s’ils sont usés, est très facile. [0047] Changing the sleeves, if they are worn out, is very easy.
[0048] [Le procédé de maintenance d’un tel applicateur de bande comprend une première étape d’ouverture de la paroi latérale constituant le capot latéral amovible 1 1 pour accéder à l’intérieur du réservoir 4 et aux extrémités libres 7a et 8a de la paroi arrière 7 et de la paroi inférieure 8. The maintenance process of such a tape applicator comprises a first step of opening the side wall constituting the removable side cover 1 1 to access the interior of the reservoir 4 and the free ends 7a and 8a of the rear wall 7 and the lower wall 8.
[0049] Puis, on retire le ou les manchons de protection usés 201 -202 des extrémités libres 7a et 8a de la paroi arrière 7 et/ou de la paroi inférieure 8 du réservoir en les faisant coulisser le long des cylindres 7a1 -8a1 portés par lesdites extrémités libres. Then, we remove the or the protective sleeves 201 -202 free ends 7a and 8a of the rear wall 7 and / or the bottom wall 8 of the tank by sliding them along the cylinders 7a1 -8a1 carried by said free ends.
[0050] On insère alors de nouveaux manchons de protection en les faisant coulisser le long des cylindres 7a1 -8a1 portés par les extrémités libres de la paroi arrière et de la paroi inférieure du réservoir. Pour cela, on aligne l’ouverture longitudinale de chaque manchon avec la paroi 7 ou 8 pourtant le cylindre sur lequel on enfile le manchon. Les bords de blocages 201 b et 202b des ouvertures longitudinales 201 a-202a des manchons se placent alors à la jonction entre la paroi et le cylindre. New protective sleeves are then inserted by sliding them along the cylinders 7a1 -8a1 carried by the free ends of the rear wall and of the lower wall of the tank. For this, we align the longitudinal opening of each sleeve with the wall 7 or 8 yet the cylinder on which the sleeve is threaded. The blocking edges 201 b and 202b of the longitudinal openings 201 a-202a of the sleeves are then placed at the junction between the wall and the cylinder.
[0051 ] Finalement, on referme la paroi latérale 1 1 constituant le capot latéral Finally, we close the side wall 1 1 constituting the side cover
amovible. removable.
[0052] De manière préférentielle, chaque cylindre 7a1 -8a1 présente une section Preferably, each cylinder 7a1 -8a1 has a section
circulaire, et chaque manchon de protection 201 -202 présente une section circulaire ouverte en C. Ceci permet d’assurer un contact optimal avec la bande au cours de l’application, sans arrête, et évite que la bande ne se déchire. Il es alors possible d’augmenter la vitesse d’application. circular, and each protective sleeve 201 -202 has an open circular section in C. This ensures optimal contact with the strip during application, without stopping, and prevents the tape from tearing. It is then possible to increase the speed of application.
[0053] Outre la protection contre l’abrasion, cette structure des manchons permet, en outre, d’adapter l’applicateur à la viscosité de l’enduit utilisé. [0053] In addition to protection against abrasion, this structure of the sleeves also allows the applicator to be adapted to the viscosity of the coating used.
[0054] Ainsi, un utilisateur qui souhaite utiliser un enduit plus fluide que la normale va changer les manchons pour que la fente d’entrée de la bande soit moins haute, limitant ainsi les fuites d’enduit. [0054] Thus, a user who wishes to use a coating that is more fluid than normal will change the sleeves so that the entry slot of the strip is less high, thus limiting the leakage of the coating.
[0055] À cette fin, les manchons de protection 201 -202 présentent une épaisseur telle que, lorsqu’ils sont insérés autour des cylindres de l’extrémité libre de la paroi arrière et de la paroi inférieure, ils sont espacés d’une hauteur de fente d’entrée telle que, en utilisation, la bande peut passer librement, mais pas l’enduit stocké dans le réservoir. To this end, the protective sleeves 201 -202 have a thickness such that, when they are inserted around the cylinders of the free end of the rear wall and of the lower wall, they are spaced apart by a height. entry slot such that, in use, the strip can pass freely, but not the coating stored in the tank.
[0056] On pourra alors proposer un kit d’application de bande de jointement entre deux plaques de plâtre, comprenant un applicateur de bande et une pluralité de manchons de protection d’épaisseurs différentes pour permettre un réglage en hauteur de la fente d’entrée en fonction de la viscosité de l’enduit devant être utilisé. We can then provide a jointing tape application kit between two plasterboards, comprising a tape applicator and a plurality of protective sleeves of different thicknesses to allow height adjustment of the entry slot depending on the viscosity of the plaster to be used.
[0057] Grâce à l’invention, on obtient un applicateur permettant une application [0057] Thanks to the invention, an applicator is obtained allowing an application
rapide de la bande, sans crainte d’un déchirement de la bande au niveau de la fente d’entrée, et sans crainte d’une altération de la fente d’entrée due à l’abrasion et à la température de frottement. tape fast, without fear of the tape tearing at the entry slot, and without fear of alteration of the entry slot due to abrasion and friction temperature.
[0058] En outre, l’applicateur est très polyvalent puisqu’il s’adapte à différentes [0058] In addition, the applicator is very versatile since it adapts to different
viscosités d’enduit. coating viscosities.

Claims

Revendications Claims
[Revendication 1 ] Applicateur (1 ) de bande de jointement entre deux plaques de piâtre, l’applicateur comprenant un dévidoir (2) pour une bande de jointement en rouleau (3) et un réservoir (4) d'enduit dans lequel se déroule la bande en utilisation, le réservoir présentant, par référence à la position d’utilisation, une fente d’entrée (6) de la bande ménagée entre une extrémité libre (7a) d’une paroi arrière (7) du réservoir et une première extrémité libre (8a) d’une paroi inférieure (8) du réservoir, et une fente de sortie (9) de la bande ménagée entre une extrémité libre (10a) d’une paroi frontale (10) du réservoir et une deuxième extrémité libre (8b) de la paroi inférieure (8) du réservoir, ce dernier comprenant, en outre, deux parois latérales (11 -12), dont l’une constitue un capot latéral amovible d'accès à l'intérieur du réservoir, caractérisé en ce que l’extrémité libre (7a) de la paroi arrière (7) du réservoir et la première extrémité libre (8a) de la paroi inférieure (8) du réservoir comprennent un cylindre (7a1 -8a1 ) de section (D1 ) supérieure à une épaisseur (E1 ) de la paroi sur laquelle chaque cylindre est rattaché, et en ce que chaque cylindre est recouvert par un manchon de protection amovible (201 -202), de section intérieure complémentaire au cylindre que le manchon recouvre, chaque manchon de protection présentant une ouverture longitudinale (201 a-202a) délimitée par deux bords de blocage (201 b-202b) contre la paroi portant le cylindre que le manchon recouvre. [Claim 1] Applicator (1) for jointing tape between two plasterboards, the applicator comprising a reel (2) for a jointing tape in roll (3) and a reservoir (4) of coating in which takes place. the band in use, the reservoir having, with reference to the position of use, an inlet slot (6) of the band formed between a free end (7a) of a rear wall (7) of the reservoir and a first free end (8a) of a lower wall (8) of the tank, and an outlet slot (9) for the strip formed between a free end (10a) of a front wall (10) of the tank and a second free end (8b) of the lower wall (8) of the tank, the latter further comprising two side walls (11 -12), one of which constitutes a removable side cover for access to the interior of the tank, characterized in that the free end (7a) of the rear wall (7) of the tank and the first free end (8a) of the lower wall (8) of the tank comprise a cylinder (7a1 -8a1) of section (D1) greater than a thickness (E1) of the wall on which each cylinder is attached, and in that each cylinder is covered by a removable protective sleeve (201 -202) , of interior section complementary to the cylinder that the sleeve covers, each protective sleeve having a longitudinal opening (201 a-202a) delimited by two locking edges (201 b-202b) against the wall carrying the cylinder that the sleeve covers.
[Revendication 2] Applicateur (1 ) selon la revendication 1 , dans lequel chaque cylindre présente une section circulaire, chaque manchon de protection présentant une section circulaire ouverte en C. [Claim 2] An applicator (1) according to claim 1, wherein each cylinder has a circular section, each protective sleeve having an open circular section in C.
[Revendication 3] Applicateur (1 ) selon l’une quelconque des revendications 1 ou 2, dans lequel les manchons de protection présentent une épaisseur telle que, lorsqu’ils sont insérés autour des cylindres de l'extrémité libre de la paroi arrière et de la paroi inférieure, ils sont espacés d’une hauteur de fente d’entrée telle que, en utilisation, la bande peut passer librement, mais pas l’enduit stocké dans le réservoir. [Claim 3] An applicator (1) according to any one of claims 1 or 2, wherein the protective sleeves have a thickness such that when inserted around the cylinders of the free end of the rear wall and of the bottom wall, they are spaced an entry slot height such that, in use, the strip can pass freely, but not the coating stored in the tank.
[Revendication 4] Kit d'application de bande de jointement entre deux plaques de plâtre, caractérisé en ce qu’il comprend un applicateur (1 ) selon l’une quelconque des revendications 1 à 3 et une pluralité de manchons de protection d’épaisseurs différentes pour permettre un réglage en hauteur de la fente d’entrée en fonction de la viscosité de l’enduit devant être utilisé. [Claim 4] Kit for applying a jointing tape between two plasterboards, characterized in that it comprises an applicator (1) according to any one of claims 1 to 3 and a plurality of sleeves. protection of different thicknesses to allow height adjustment of the inlet slit according to the viscosity of the plaster to be used.
[Revendication 5] Procédé de maintenance d’un applicateur de bande de jointement selon l’une quelconque des revendications 1 à 3, caractérisé en ce qu’il comprend les étapes suivantes : a) ouvrir la paroi latérale constituant le capot latéral amovible pour accéder à l’intérieur du réservoir et aux extrémités libres de la paroi arrière et de la paroi inférieure ; [Claim 5] A method of maintaining a jointing tape applicator according to any one of claims 1 to 3, characterized in that it comprises the following steps: a) opening the side wall constituting the removable side cover to access inside the tank and at the free ends of the rear wall and the bottom wall;
b) retirer les manchons de protection des extrémités libres de la paroi arrière et de la paroi inférieure du réservoir en les faisant coulisser le long des cylindres portés par lesdites extrémités libres de la paroi arrière et de la paroi inférieure du réservoir ; c) insérer de nouveaux manchons de protection en les faisant coulisser le long des cylindres portés par les extrémités libres de la paroi arrière et de la paroi inférieure du réservoir ; d) refermer la paroi latérale constituant le capot latéral amovible. b) removing the protective sleeves from the free ends of the rear wall and of the lower wall of the tank by sliding them along the cylinders carried by said free ends of the rear wall and of the lower wall of the tank; c) insert new protective sleeves by sliding them along the cylinders carried by the free ends of the rear wall and the lower wall of the tank; d) close the side wall constituting the removable side cover.
EP19739672.4A 2019-05-29 2019-05-29 Strip applicator with strip protection and method for maintaining such an applicator Active EP3976903B8 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/FR2019/000088 WO2020240100A1 (en) 2019-05-29 2019-05-29 Strip applicator with strip protection and method for maintaining such an applicator

Publications (3)

Publication Number Publication Date
EP3976903A1 true EP3976903A1 (en) 2022-04-06
EP3976903B1 EP3976903B1 (en) 2023-07-05
EP3976903B8 EP3976903B8 (en) 2023-08-09

Family

ID=67262779

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19739672.4A Active EP3976903B8 (en) 2019-05-29 2019-05-29 Strip applicator with strip protection and method for maintaining such an applicator

Country Status (3)

Country Link
US (1) US11927021B2 (en)
EP (1) EP3976903B8 (en)
WO (1) WO2020240100A1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2328571A (en) 1941-11-14 1943-09-07 Nat Gypsum Co Tape and cement applying machine
US4196028A (en) * 1977-08-26 1980-04-01 Mills Harold R Taping tool
US6668897B2 (en) * 2001-08-16 2003-12-30 David T. Gunn Tape and joint compound dispenser for taping drywall joints
US20090094936A1 (en) * 2007-10-15 2009-04-16 Bmb Products, Llc Drywall tape dispensing mudbox

Also Published As

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US20220228375A1 (en) 2022-07-21
US11927021B2 (en) 2024-03-12
EP3976903B8 (en) 2023-08-09
EP3976903B1 (en) 2023-07-05
WO2020240100A1 (en) 2020-12-03

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