WO2022223416A1 - Méthode de jonction des extrémités d'une bande linéaire afin de former une bande sans fin pour le transport de denrées alimentaires - Google Patents
Méthode de jonction des extrémités d'une bande linéaire afin de former une bande sans fin pour le transport de denrées alimentaires Download PDFInfo
- Publication number
- WO2022223416A1 WO2022223416A1 PCT/EP2022/059949 EP2022059949W WO2022223416A1 WO 2022223416 A1 WO2022223416 A1 WO 2022223416A1 EP 2022059949 W EP2022059949 W EP 2022059949W WO 2022223416 A1 WO2022223416 A1 WO 2022223416A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- reinforcing members
- longitudinal
- linear strip
- connecting element
- recess
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000005304 joining Methods 0.000 title claims abstract description 22
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 51
- 230000000295 complement effect Effects 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims description 25
- 230000015572 biosynthetic process Effects 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 2
- 230000001174 ascending effect Effects 0.000 abstract description 4
- 235000019589 hardness Nutrition 0.000 description 23
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 235000013305 food Nutrition 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 241000251468 Actinopterygii Species 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- 238000012550 audit Methods 0.000 description 1
- 235000013351 cheese Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
- F16G3/00—Belt fastenings, e.g. for conveyor belts
- F16G3/10—Joining belts by sewing, sticking, vulcanising, or the like; Constructional adaptations of the belt ends for this purpose
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/30—Belts or like endless load-carriers
- B65G15/32—Belts or like endless load-carriers made of rubber or plastics
- B65G15/34—Belts or like endless load-carriers made of rubber or plastics with reinforcing layers, e.g. of fabric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/30—Belts or like endless load-carriers
- B65G15/32—Belts or like endless load-carriers made of rubber or plastics
- B65G15/42—Belts or like endless load-carriers made of rubber or plastics having ribs, ridges, or other surface projections
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/02—Articles
- B65G2201/0202—Agricultural and processed food products
Definitions
- the present invention relates to the field of the transport of foodstuffs and more particularly to a method of joining the ends of a linear belt in order to form an endless belt for the transport of foodstuffs.
- patent application FR3092573 discloses a conveyor 1 used to transport foodstuffs from a lower level to a higher level by means of an endless conveyor belt BSF.
- Conveyor 1 conventionally comprises a bottom inlet 1A, an ascending part 1B and a top outlet 1C.
- Such a conveyor 1 is particularly advantageous in the field of the food industry and can be integrated into a manufacturing, processing or packaging line, for example for bulk products such as minced meat , fish or pieces of fish, vegetables, grated cheese, etc.
- the endless band BSF is obtained from a linear band 2 which extends longitudinally along an X axis, laterally along a Y axis and vertically along a Z axis.
- linear strip 2 has two side edges 2G, 2D and two ends 2A, 2B which are joined together to form a loop (endless strip BSF).
- the linear strip 2 comprises in known manner a top face, designated “product face” FP, intended to be in contact with foodstuffs, and a bottom face, called “drive face” FG, intended to be in contact with foodstuffs. contact with drive members 11 of the conveyor 1 ( ).
- the drive face FG has teeth 21 to cooperate with the drive members 11 of the conveyor 1.
- the linear strip 2 is transversely deformable between a flat position ( ) and a tubular position ( ).
- the linear belt 2 is generally in an almost flat position when receiving foodstuffs at the lower entrance 1A of the conveyor 1 and during their distribution at the upper exit 1C of the conveyor 1.
- the linear belt 2 is in a tubular position to limit the loss of foodstuffs and allow their ascent.
- the linear strip 2 comprises at least two superposed layers 22, 23 having different hardnesses.
- the product face FP belongs in a known manner to an upper layer 23 formed in a material having a low hardness, giving it good adhesion, which is favorable to the transport of products and to its cleaning.
- the material is preferably flexible to more easily form the linear strip 2 in its tubular configuration, without introducing excessive stresses into the linear strip 2.
- the drive face FG belongs in a known manner to a lower layer 22 formed in a material having a higher hardness and therefore a lower coefficient of friction, so as to increase its lifespan by limiting friction during its cooperation with the guide rails of the conveyor 1.
- the linear strip 2 incorporates in its thickness a plurality of longitudinal reinforcing members 31, 32 (cables, flat straps, etc. .).
- the reinforcing members 31 are integrated into the upper layer 23, that is to say, on the side of the product face FP.
- Such a linear strip 2 has high performance.
- the reinforcing members 31 can be integrated into the intermediate layer.
- a linear belt 2 is available which is preferably packaged in a roll.
- a length of linear strip 2 is cut and the ends 2A, 2B of the linear strip 2 are joined at a junction zone in order to form the endless strip BSF, that is to say, annular.
- Such a junction is critical since it is likely to form a point of weakness reducing the life of the endless belt BSF.
- One of the main difficulties is to ensure continuity of the reinforcing members 31, 32 at the junction zone.
- the two ends 2A, 2B of the linear strip 2 are joined and connecting elements 5 are added to join the two ends 2A, 2B as illustrated in .
- the connecting elements 5 must be integrated into the thickness of the linear strip 2 so as not to create relief on one of the faces FG, FP of the linear strip 2, in particular, on the product face FP which must remain perfectly smooth to allow for optimal cleaning.
- the connecting elements 5 comprise complementary reinforcing members 51 which are embedded in a material of high hardness 52 in order to ensure continuity with the lower layer 22 of high hardness.
- Such a method makes it possible to protect the product face FP which remains smooth. Moreover, such a method is simple to implement since the driving face FG is formed in the lower layer 22 of high hardness which is, by nature, simple to machine, which facilitates the formation of the recesses 4.
- the reinforcing members 31, 32 are located close to the drive face FG and the recesses 4 advantageously have a reduced depth, which reduces the time for forming the recesses 4.
- the linear strip 2 comprises, at its junction zone ZJ, a superposition of reinforcing members 31 and complementary reinforcing members 51.
- Such a joining method nevertheless has several drawbacks. Access to the reinforcing members 31, 32 is difficult given that they are generally formed close to teeth 21 of the drive face FG as illustrated in , which complicates the work of the operator. In addition, the width of the recesses 4 is constrained by the spacing between the teeth 21. It is sometimes not possible to optimally uncover all the reinforcing members 31. An immediate solution to eliminate this drawback would be to move the teeth 21 but this would involve modifying the conveyor 1 on which the endless belt BSF is mounted, which is not possible. Another immediate solution would be to move the reinforcing members 31, 32 away from the teeth 21, but these are positioned optimally to take up the longitudinal forces of the endless belt BSF, in particular in the tubular position.
- Patent applications FR1154067A and FR1165278A are also known for methods of assembling the edges of a linear strip, in which the joining of the ends is carried out respectively by the application of an adhesive tape and by vulcanization.
- One of the objects of the invention is to propose a new method of joining the ends of a linear strip in order to form a joint which is robust and simple to make.
- the method is remarkable in that the recess is formed from the product side of the linear strip.
- Such a method of joining goes against an established prejudice which imposed the formation of recesses from the drive face which was simpler and less deep to machine. Thanks to the formation of recesses from the product face, the holding of the connecting elements over time is improved and the constraints linked to the drive face, in particular linked to the teeth, are no longer present. Endless belt life is improved.
- the longitudinal ends are bevelled, preferably with a bevel angle between 30° and 60°.
- a bevel angle makes it possible to distribute the forces associated with the joint over a larger longitudinal joint area, which improves the life of the endless belt.
- the connecting element is secured to said recess by heating. Heating the bonding element allows it to fuse with the top layer material, ensuring a strong and optimal bond.
- the method comprises a step of pressing the connecting element into said recess after the heating step. Melting is thus controlled while forming a perfectly smooth surface condition for the product side.
- the longitudinal reinforcing members are positioned in the upper layer.
- the additional longitudinal reinforcement members make it possible to ensure optimal load bearing.
- the connecting element comprises complementary reinforcing members embedded in a material similar to that of the upper layer.
- the fusion between homogeneous materials allows a robust connection.
- the linear strip comprises at least two groups of longitudinal reinforcing members, preferably only two.
- the method comprises a step of forming two recesses to uncover the two groups of longitudinal reinforcing members.
- the connecting element has a length of between 20cm and 100cm.
- the connecting element has a thickness of between 20mm and 70mm.
- the lower layer comprises teeth adapted to cooperate with drive members of said conveyor device, the longitudinal reinforcing members are positioned at least partially above the teeth.
- the longitudinal reinforcing members are closer to the drive face than to the product face.
- The is a schematic cross-sectional representation of a step of positioning a first connecting element in a first overall recess according to the invention.
- The is a cross-sectional schematic representation of an endless belt after it has been joined.
- Such an endless belt BSF is intended to be used in a conveyor 1 as presented previously in the preamble.
- the conveyor 1 conventionally comprises a lower inlet 1A, an upward part 1B and an upper outlet 1C.
- the conveyor 1 comprises drive members 11, in particular toothed wheels, to enable the endless belt BSF to be driven.
- a linear belt 2 is available which is preferably packaged in a roll.
- the linear strip 2 is analogous to the prior art (with the exception of its longitudinal ends as will be presented later).
- the linear strip 2 extends longitudinally along an X axis, laterally along a Y axis and vertically along a Z axis.
- the linear strip has two side edges 2G, 2D and two longitudinal ends 2A, 2B.
- the strip has a width of between 300 mm and 400 mm, preferably of the order of 350 mm in order to be suitable for the food industry.
- the strip 2 comprises in known manner a top face, designated “product face” FP, intended to be in contact with foodstuffs, and a bottom face, called “drive face” FG, intended to be in contact with drive members 11 of the conveyor 1.
- the drive face FG comprises teeth 21 to cooperate with the drive members 11 of the conveyor 1.
- the linear belt 2 is deformable transversely between a flat position and a tubular position.
- the linear strip 2 comprises at least two superposed layers 22, 23 having different hardnesses.
- the product face FP belongs in a known manner to an upper layer 23 formed in a material having a low hardness, giving it better adhesion, which is favorable to the transport of products.
- the material is preferably flexible to more easily form the linear strip 2 in its tubular configuration, without introducing excessive stresses into the linear strip 2.
- the drive face FG belongs in a known manner to a lower layer 22 formed in a material having a higher hardness, so as to increase its lifespan by limiting friction during its cooperation with the drive members 11 of the conveyor 1.
- the layers 22, 23, of different hardnesses can be made of the same material or in different materials, the important thing being to maintain an optimal bond between the materials.
- the layers 22, 23 can be made of polyurethane-type elastomer, so as to allow its deformation in a direction transverse to its length, in particular to allow it to be placed in a tubular configuration.
- the lower layer 22, of high hardness has a hardness of between 52 shore D and 55 shore D, preferably of the order of 54 shore D.
- the upper layer 23, of low hardness has a hardness of between 70 shore A and 85 shore A, preferably of the order of 70 shore A.
- the hardness scales are known to those skilled in the art and in particular described in the standards ISO868, ASTMD 2240 , DIN 535050. In this example, only two layers are shown but it goes without saying that the linear strip 2 could comprise more than two, in particular three.
- the upper layer 23 defines a product face FP which is flat, that is to say, devoid of relief, which allows its practical cleaning by scraping.
- the linear strip 2 has thickened longitudinal edges as taught by the patent application FR3092573A1, preferably formed on the upper layer 23 of lower hardness.
- the lower layer 22 advantageously comprises softening recesses 24 which make it possible to reduce the resistance to longitudinal deformation of the conveyor belt 2.
- softening recesses 24 are known from patent application FR2933964A1. Other variant embodiments may lack such softening recesses 24.
- the lower layer 22 comprises teeth 21 projecting from the side of the drive face FG adapted to cooperate with drive members 11 of the conveyor 1.
- the teeth 21 are arranged on regularly spaced lateral lines.
- the teeth 21 are four in number on each transverse line, positioned in pairs of two symmetrically on either side of a median axis of the linear strip 2.
- each pair of teeth 21 is positioned at the neutral fiber. It goes without saying that the number of teeth 21 on a side line could be different, in particular, equal to 2.
- the linear strip 2 incorporates in its thickness a plurality of longitudinal reinforcing members 31, 32 (cables, flat straps, etc.).
- the reinforcing members 31, 32 are integrated into the upper layer 23 of low hardness, that is to say, on the side of the product face FP.
- the longitudinal reinforcing members 31, 32 are closer to the drive face FG than to the product face FP.
- the longitudinal reinforcing members 31, 32 are preferably in the form of aramid fibers.
- the linear strip 2 comprises two groups of longitudinal reinforcing members 31, 32 which are separated laterally.
- the number of reinforcing members 31, 32 per group can vary but is preferably between 5 and 20.
- the reinforcing members 31, 32 follow the neutral fiber of the endless band BSF in tubular configuration and allow improve its mechanical resistance.
- each group of reinforcing members 31, 32 is preferably positioned in the vicinity of a pair of teeth 21, in particular, between the teeth 21 as illustrated in .
- the linear strip 2 is known to those skilled in the art and will not be presented in more detail.
- the linear strip 2 Prior to its joining, the linear strip 2 is cut to the desired length in order to form the endless strip BSF which is adapted to the conveyor 1.
- the longitudinal ends 2A, 2B are bevelled at a bevel angle ⁇ which is between 30 and 60°, preferably of the order of 45° so as to allow the distribution of the forces over a junction zone ZJ as illustrated in the .
- the junction zone ZJ has a length of between 20cm and 100cm for a strip 35cm wide.
- the bevel angle ⁇ is determined to allow passage between the teeth 21. In other words, the teeth 21 are not impacted by the cutting, which avoids disturbing the drive and facilitates the cutting.
- the joining method comprises a step E1 of abutment of the longitudinal ends 2A, 2B of the linear strip 2 and of securing.
- the joining step is carried out by welding.
- Each end of the longitudinal strip 2A, 2B of the linear strip 2 is heated then the longitudinal ends 2A, 2B are brought into contact in order to form a loop.
- the joining method comprises a step E2 of forming recesses 61, 62 between the first longitudinal end 2A and the second longitudinal end 2B of the linear strip 2 so as to uncover the reinforcing members 31, 32.
- each recess 61, 62 has a length of between 20cm and 100cm so as to form a sufficiently robust connection.
- each recess 61, 62 has a thickness of between 20mm and 70mm so as to uncover the reinforcing members 31, 32 and ensure a robust connection as will be presented later.
- the recesses 61, 62 are formed in the product side FP of the linear strip 2 so as to avoid any detachment of the connecting elements 71, 72 as will be presented later.
- the material of the upper layer 23 is removed by milling.
- the upper layer 23 has a lower hardness than the lower layer 22.
- a controlled milling device of the numerical control type, is used in order to obtain a speed of optimal rotation of the cutter, around 3000 rpm in order to avoid the formation of defects (penetration, formation of deposits, etc.).
- the recesses 4 are deeper than in the prior art since the reinforcing members 31, 32 are farther from the product face FP than from the drive face FG.
- the method comprises a step E3 of securing a connecting element 71, 72 in each recess 61, 62.
- first connecting element 71 intended to be positioned in the first overall recess 61.
- second connecting element 72 is identical and will not be presented in detail.
- the first connecting element 71 has a shape complementary to that of the first overall recess 61, in this example, a block shape.
- the first connecting element 71 is thicker than in the prior art and, preferably, wider. Indeed, its width is no longer constrained by the spacing of the teeth 21 as in the prior art.
- the first connecting element 71 comprises a plurality of complementary reinforcing members 81, preferably a number substantially equal to the reinforcing members 31 uncovered by the first overall recess 61.
- the complementary reinforcing members 81 are embedded in a material 80 which is similar, preferably identical, to that of the upper layer 23. In other words, the material 80 of the first connecting element 71 has a low hardness.
- the complementary reinforcing members 81 are preferably located in a lower part of the first connecting element 71 so as to be adjacent to the integrated reinforcing members 31 and thus allow continuity in taking up the tensile forces without creating excessive longitudinal rigidity. .
- the material 80 of the first connecting element 71 is preferably heat-weldable.
- each heated connecting element 71, 72 is positioned in its recess 61, 62 and then pressed into the latter in order to allow the material 80 to fuse with the upper layer 23, which allows an optimal connection. Due to its greater thickness and width, each connecting element 71, 72 has a larger connecting surface, which improves the connection. Furthermore, as illustrated in , the application of a pressure P on the face of the product FP at the level of the first connecting element 71 makes it possible to ensure optimum welding conditions and an exemplary surface condition, the surface of the product FP remaining smooth despite the junction.
- the BSF endless belt has a higher resistance. Due to its positioning on the product face FP, each connecting element 71, 72 advantageously undergoes lower tearing forces than in the prior art.
- the positioning of the reinforcing members 31, 32 can advantageously be made independent of the positioning and of the shape of the teeth 21, which facilitates the design.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Belt Conveyors (AREA)
Abstract
Description
- Solidarisation des extrémités longitudinales de la bande linéaire,
- Formation d’au moins un évidement dans la première extrémité longitudinale et dans la deuxième extrémité longitudinale de la bande linéaire de manière à découvrir au moins un organe de renfort,
- Solidarisation d’un élément de liaison dans l’évidement, l’élément de liaison comportant des organes de renfort complémentaires et étant de forme complémentaire audit évidement,
Claims (12)
- Méthode de jonction des extrémités longitudinales (2A, 2B) d’une bande linéaire (2) afin de former une bande sans fin (BSF) configurée pour être montée dans un convoyeur (1) de transport ascendant de denrées alimentaires,
- la bande linéaire (2) comprenant deux bords latéraux (2G, 2D), deux extrémités longitudinales (2A, 2B), une face de dessus destinée à recevoir des denrées alimentaires à transporter, désignée par la suite face produit (FP), et une face de dessous opposée, destinée à coopérer avec des moyens d’entrainement (11) du convoyeur (1), désignée par la suite face d’entraînement (FG),
- la bande linéaire (2) étant déformable transversalement entre une configuration plane, au repos, et une configuration tubulaire ou au moins sensiblement tubulaire, dans laquelle les deux bords latéraux (2D, 2G) sont positionnés bord à bord,
- la bande linéaire (2) comprenant une couche supérieure (23) réalisée en un matériau présentant une première dureté et formant ladite face produit (FP), et une couche inférieure (22) réalisée en un matériau présentant une deuxième dureté, supérieure à la première dureté, et formant ladite face d’entraînement (FG),
- la bande linéaire (2) comprenant une pluralité d’organes de renfort longitudinaux (31, 32), disposés dans son épaisseur, adaptés pour limiter son allongement longitudinal au cours de son utilisation,
- méthode de jonction comprenant des étapes de :
- Solidarisation des extrémités longitudinales (2A, 2B) de la bande linéaire (2),
- Formation d’au moins un évidement (61, 62) dans la première extrémité longitudinale (2A) et dans la deuxième extrémité longitudinale (2B) de la bande linéaire (2) de manière à découvrir au moins un organe de renfort (31, 32),
- Solidarisation d’un élément de liaison (71, 72) dans l’évidement (61, 62), l’élément de liaison (71, 72) comportant des organes de renfort complémentaires (81) et étant de forme complémentaire audit évidement (61, 62),
- Méthode caractérisée par le fait que l’évidement (61, 62) est formé depuis la face produit (FP) de la bande linéaire (2).
- Méthode selon la revendication 1, dans laquelle les extrémités longitudinales (2A, 2B) sont biseautées, de préférence, d’un angle de biseautage (θ) compris entre 30° et 60°.
- Méthode selon l’une des revendications 1 à 2, dans laquelle l’élément de liaison (71, 72) est solidarisé audit évidement (61, 62) par chauffage.
- Méthode selon la revendication 3, comprenant une étape de pression de l’élément de liaison (71, 72) dans ledit évidement (61, 62) postérieure à l’étape de chauffage.
- Méthode selon l’une des revendications 1 à 4, dans laquelle les organes de renfort longitudinaux (31, 32) sont positionnés dans la couche supérieure (23).
- Méthode selon l’une des revendications 1 à 5, dans laquelle la bande linéaire (2) comporte au moins deux groupes d’organes de renfort longitudinaux (31, 32), de préférence, uniquement deux.
- Méthode selon la revendication 6, comprenant une étape de formation de deux évidements (61, 62) pour découvrir les deux groupes d’organes de renfort longitudinaux (31, 32).
- Méthode selon l’une des revendications 1 à 7, dans laquelle l’élément de liaison (71, 72) comporte des organes de renfort complémentaires (81) noyés dans un matériau (80) analogue à celui de la couche supérieure (23).
- Méthode selon l’une des revendications 1 à 8, dans laquelle l’élément de liaison (71, 72) possède une longueur comprise entre 20cm et 100cm.
- Méthode selon l’une des revendications 1 à 9, dans laquelle l’élément de liaison (71, 72) possède une épaisseur comprise entre 20mm et 70mm.
- Méthode selon l’une des revendications 1 à 10, dans laquelle la couche inférieure (22) comprend des dents (21) adaptées pour coopérer avec des organes d’entrainement (11) dudit dispositif convoyeur (1), les organes de renfort longitudinaux (31, 32) sont positionnés au moins partiellement au-dessus des dents (21).
- Méthode selon l’une des revendications 1 à 11, dans laquelle les organes de renfort longitudinaux (31, 32) sont plus proches de la face d’entraînement (FG) que de la face produit (FP).
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US18/285,566 US20240183426A1 (en) | 2021-04-20 | 2022-04-13 | Method for joining the ends of a linear belt in order to form an endless belt for the transport of foodstuffs |
EP22722775.8A EP4291804A1 (fr) | 2021-04-20 | 2022-04-13 | Méthode de jonction des extrémités d'une bande linéaire afin de former une bande sans fin pour le transport de denrées alimentaires |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FRFR2104071 | 2021-04-20 | ||
FR2104071A FR3121918B1 (fr) | 2021-04-20 | 2021-04-20 | Méthode de jonction des extrémités d’une bande linéaire afin de former une bande sans fin pour le transport de denrées alimentaires |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2022223416A1 true WO2022223416A1 (fr) | 2022-10-27 |
Family
ID=76283967
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2022/059949 WO2022223416A1 (fr) | 2021-04-20 | 2022-04-13 | Méthode de jonction des extrémités d'une bande linéaire afin de former une bande sans fin pour le transport de denrées alimentaires |
Country Status (3)
Country | Link |
---|---|
US (1) | US20240183426A1 (fr) |
FR (1) | FR3121918B1 (fr) |
WO (1) | WO2022223416A1 (fr) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1154067A (fr) | 1956-01-31 | 1958-04-02 | Minnesota Mining & Mfg | Joint et procédé d'assemblage |
FR1165278A (fr) | 1956-01-28 | 1958-10-21 | Continental Gummi Werke Ag | Procédé d'assemblage des extrémités des bandes transporteuses ou courroies de transmission en caoutchouc ou en matières de remplacement du caoutchouc, et comportant des armatures en fils métalliques ou fils souples |
JPS6065936A (ja) * | 1983-09-21 | 1985-04-15 | Bridgestone Corp | コンベアベルト用高張力帆布層の接合構造 |
JPS60210433A (ja) * | 1984-03-08 | 1985-10-22 | ヴオルタ パワー ベルテイング リミテツド | エンドレス伝動ベルト製造用組立部品、及びエンドレスベルトの製造方法 |
FR2933964A1 (fr) | 2008-07-18 | 2010-01-22 | Liftvrac | Convoyeur elevateur, en particulier pour produits en vrac |
FR3092573A1 (fr) | 2019-02-13 | 2020-08-14 | Liftvrac | Bande transporteuse sans fin et dispositif convoyeur comprenant une telle bande transporteuse |
-
2021
- 2021-04-20 FR FR2104071A patent/FR3121918B1/fr active Active
-
2022
- 2022-04-13 US US18/285,566 patent/US20240183426A1/en active Pending
- 2022-04-13 WO PCT/EP2022/059949 patent/WO2022223416A1/fr active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1165278A (fr) | 1956-01-28 | 1958-10-21 | Continental Gummi Werke Ag | Procédé d'assemblage des extrémités des bandes transporteuses ou courroies de transmission en caoutchouc ou en matières de remplacement du caoutchouc, et comportant des armatures en fils métalliques ou fils souples |
FR1154067A (fr) | 1956-01-31 | 1958-04-02 | Minnesota Mining & Mfg | Joint et procédé d'assemblage |
JPS6065936A (ja) * | 1983-09-21 | 1985-04-15 | Bridgestone Corp | コンベアベルト用高張力帆布層の接合構造 |
JPS60210433A (ja) * | 1984-03-08 | 1985-10-22 | ヴオルタ パワー ベルテイング リミテツド | エンドレス伝動ベルト製造用組立部品、及びエンドレスベルトの製造方法 |
FR2933964A1 (fr) | 2008-07-18 | 2010-01-22 | Liftvrac | Convoyeur elevateur, en particulier pour produits en vrac |
FR3092573A1 (fr) | 2019-02-13 | 2020-08-14 | Liftvrac | Bande transporteuse sans fin et dispositif convoyeur comprenant une telle bande transporteuse |
Also Published As
Publication number | Publication date |
---|---|
FR3121918B1 (fr) | 2023-06-16 |
US20240183426A1 (en) | 2024-06-06 |
FR3121918A1 (fr) | 2022-10-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP2938902B1 (fr) | Bande de transport d'elements en plaque et machine de transformation comprenant une telle bande | |
EP2661567B1 (fr) | Procédé d'assemblage de bande transporteuse, utilisation et bande transporteuse | |
EP3924276B1 (fr) | Bande transporteuse sans fin et dispositif convoyeur comprenant une telle bande transporteuse | |
EP2568195B1 (fr) | Bande de matiere en boucle pourvue d'une jonction | |
FR2774621A1 (fr) | Procede de fabrication de panneaux de fibres pliable | |
WO2022223416A1 (fr) | Méthode de jonction des extrémités d'une bande linéaire afin de former une bande sans fin pour le transport de denrées alimentaires | |
EP0827575B1 (fr) | Dispositif de jonctionnement perfectionne pour bandes transporteuses et procede de fabrication | |
EP2406155B1 (fr) | Bande transporteuse sans fin deformable transversalement, pour dispositif convoyeur | |
EP4291804A1 (fr) | Méthode de jonction des extrémités d'une bande linéaire afin de former une bande sans fin pour le transport de denrées alimentaires | |
EP0798113B1 (fr) | Procédé et machine de fabrication de panneaux | |
EP2511567B1 (fr) | Procédé de fabrication d'une bande de matière en boucle | |
WO2021186075A1 (fr) | Armature rapportée pour jonction de bande transporteuse et jonction associée | |
CA3111882A1 (fr) | Dispositif et procede de convoyage de produits | |
FR2665424A1 (fr) | Dispositif de mise en couloir sans pression de recipients. | |
EP3894174B1 (fr) | Système et procédé d'aboutage de bandes de caoutchouc pour alimenter une extrudeuse | |
EP4158221B1 (fr) | Dispositif de jonction de bande transporteuse a câbles muni d'elements de blocage de câble | |
FR3067777B1 (fr) | Dispositif de jonctionnement connectable et de connectable pour bandes transporteuses utilisees dans des installations presentant des risques de presence de bacteries nocives | |
EP2948301A1 (fr) | Cale d'épaisseur d'interposition entre les surfaces en regard de deux pièces | |
EP4244029A1 (fr) | Élément modulaire de peigne pour machine de coupe automatique d'un matelas de feuilles de matériau | |
OA21002A (fr) | Armature rapportée pour jonction de bande transporteuse et jonction associée. | |
FR2554796A1 (fr) | Maillon de chaine de convoyage a plateau | |
FR2541628A1 (fr) | Procede et installation perfectionnes pour la fabrication du carton ondule | |
FR3116513A1 (fr) | Dispositif de transport, installation d'emballage et procédé pour adapter ou équiper après coup un dispositif de transport | |
FR2627663A1 (fr) | Procede de fabrication de cubes de substrat pour la culture hors sol | |
WO2008037903A1 (fr) | Machine et procede pour la selection et l'ordonnancement de douelles. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 22722775 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2022722775 Country of ref document: EP |
|
ENP | Entry into the national phase |
Ref document number: 2022722775 Country of ref document: EP Effective date: 20230913 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 18285566 Country of ref document: US |
|
NENP | Non-entry into the national phase |
Ref country code: DE |