EP3098173B1 - Station destinée à refermer un couvercle pour blocs faits d'un matériau déformable et procédé permettant de recouvrir des blocs constitués de matériau déformable - Google Patents

Station destinée à refermer un couvercle pour blocs faits d'un matériau déformable et procédé permettant de recouvrir des blocs constitués de matériau déformable Download PDF

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Publication number
EP3098173B1
EP3098173B1 EP16171545.3A EP16171545A EP3098173B1 EP 3098173 B1 EP3098173 B1 EP 3098173B1 EP 16171545 A EP16171545 A EP 16171545A EP 3098173 B1 EP3098173 B1 EP 3098173B1
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EP
European Patent Office
Prior art keywords
block
sheet
covering
pusher
clamping
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Not-in-force
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EP16171545.3A
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German (de)
English (en)
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EP3098173A1 (fr
Inventor
Paolo Resta
Roberto Resta
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Resta SRL
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Resta SRL
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Publication of EP3098173A1 publication Critical patent/EP3098173A1/fr
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Publication of EP3098173B1 publication Critical patent/EP3098173B1/fr
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B68—SADDLERY; UPHOLSTERY
    • B68G—METHODS, EQUIPMENT, OR MACHINES FOR USE IN UPHOLSTERING; UPHOLSTERY NOT OTHERWISE PROVIDED FOR
    • B68G7/00—Making upholstery
    • B68G7/05—Covering or enveloping cores of pads
    • B68G7/051—Mattress-filling devices, i.e. sliding a tick or preformed cover over a cushion or sliding a cushion into a tick or preformed cover, e.g. by means of a press or of a depression table

Definitions

  • the present invention relates to a station for closing a covering for blocks made of deformable material and a method of covering blocks made of deformable material.
  • a station is known fro example from GB1108995A .
  • the need is known to cover blocks (with or without stratification) made of elastically deformable material, such as elastomers in general, rubber, latex, polymeric foams (including the polyurethane foams known with the commercial name "memory foam”) and latex foam, silicone slabs and the like.
  • the covering is usually done by way of sheets of material of the type of fabric, knitted material and the like: merely for the purposes of example it is possible to use fabrics of the type known in the textile sector with the names "tricot” and "jersey”; in any case an integral part of the present discussion is a covering that entails the use of non-yielding fabrics made of natural and/or synthetic textile fibers.
  • the surfaces of the block are kept from contact with the external environment (thus preventing the deposit of dust, dirt or other contaminants); it hides any superficial irregularities of the block that would compromise its overall appearance while not affecting its mechanical characteristics in any way; it defines a separation surface interposed between the block and the other components with which it will come into contact during use; it results in a finished mattress that is simple and low cost.
  • the operations for covering the block are usually carried out manually; substantially it involves inserting the block into a respective covering case.
  • the finished mattress is constituted by a deformable block covered with a single layer of non-yielding fabric, need for a covering is still felt.
  • the case is usually shaped like a bag of preset dimensions and is provided with at least one opening through which to insert the block.
  • Coupling the flaps of the sheet that constitutes the covering case can occur by heat-sealing, stitching, adhesive bonding and the like.
  • the aim of the present invention is to solve the above mentioned drawbacks, by providing a station for closing a covering for blocks made of deformable material which is completely automated, and does not require any intervention from the operator.
  • an object of the invention is to provide a station for closing a covering for blocks made of deformable material which is adapted to cover blocks of various different dimensions, potentially also of various different shapes and/or partially irregular.
  • Another object of the invention is to provide a completely automated method of covering blocks made of deformable material.
  • Another object of the invention is to provide a method of covering blocks made of deformable material which is adapted to be applied to blocks of any size.
  • Another object of the present invention is to provide a station for closing a covering for blocks made of deformable material, and to implement a method of covering blocks made of deformable material, which is low cost, easily and practically implemented and safe in use.
  • a station for closing a covering for blocks made of deformable material of the type comprising a resting surface for at least one block, characterized in that it comprises at least one clamping pusher, which is aligned with at least one head of said block and can translate toward the surface of said block until it is pressed for the compression of a covering sheet on said block, and comprises grip means for retaining juxtaposed end flaps of said sheet that protrude from said block, said grip means being able to translate according to a stroke for approach/spacing apart with respect to said block in order to pull said sheet.
  • Such aim and such objects are also achieved by implementing a method of covering blocks made of deformable material, which consists of clamping said block with respective jaws, which are aligned substantially with the centerline of said block, with consequent compression of said sheet on the two mutually opposite faces of said block on which said jaws act, clamping at least one head of said block, with at least one pusher so as to press said sheet on said block and compress said block, thus reducing its thickness, gripping with appropriate grip means the juxtaposed end flaps of said sheet that protrude from said block, retracting said grip means, integrally with said end flaps, away from said block, with consequent tensioning of said sheet, releasing the at least one head of said block, moving away the at least one pusher, clamping again the at least one head of said block, with at least one pusher so as to press said sheet on said block and compress said block, thus reducing its thickness, releasing the end flaps from said grip means, moving said grip means away from said flaps, mutually coupling the end flaps at their regions that are
  • the reference numeral 1 generally designates a station for closing a covering for blocks A made of deformable material.
  • the station 1 comprises a resting surface 2 for at least one block A: in practice it is possible to lay the block A on the work surface 2 so that it can be moved thereon thus allowing other components of the station 1 to operate on that block A.
  • the station 1 comprises at least one clamping pusher 3a, 3b, which is aligned with at least one head B of the block A.
  • the pusher 3a can be single and in such case there will be an abutment, below the block A (for example coinciding with a specific portion of the surface 2), so that a motion thereof toward such abutment determines the pressing of the block A interposed between them.
  • the pushers 3a and 3b will be two in number, mutually opposite and adapted to be moved along a direction for mutual approach/spacing apart: in this manner the block A can be pressed symmetrically by the action of two mutually opposite pushers 3a and 3b.
  • the pusher 3 a (or the pushers 3 a, 3b) can comprise an end lamina that is substantially perpendicular to the upper face of the block A (therefore parallel to the end wall of the head B).
  • the block A following a previous step of juxtaposing, will have a covering sheet 4 on its outer surface: the action of the at least one pusher 3a, 3 b is to compress the said sheet 4 on the block A (and press that block A, which is elastically deformable).
  • a pusher 3a (or of pairs of pushers 3a, 3b) provided with an end lamina
  • this will be motorized according to two separate movement axes: it can move in the direction of approach/spacing apart with respect to the block A and it can also move parallel to the surface of the block which it faces, from the centerline (or from a position that is substantially proximate to the centerline) toward the head B.
  • the method proceeds with a movement of the pusher 3a (pushers 3a, 3b) in a direction parallel to the surface of the block A, from a position proximate to the centerline of the block A toward the head B, until the end lamina is in alignment with the end wall of the head B (the configuration in which the pusher 3a will stop).
  • the edge of the end lamina slides on the sheet 4 (which in turn is laid on a respective face of the block A), subjecting the sheet 4 to a preventive "ironing", pre-tensioning and eliminating part of the wrinkles present in it.
  • the pusher 3 a (or the pushers 3 a and 3b) will undergo a further approach to the block A with consequent pressing of that block A (elastic deformation consequent to a compression).
  • the protruding portion of the covering sheet 4 will therefore be in abutment on the edge of the end lamina (or substantially "clinched" between facing and proximate edges of the end laminas of two separate pushers 3a and 3b).
  • the station 1 further comprises grip means 5 for retaining the end flaps 4a, 4b (on a head B of the block A) and 4c, 4d (on the head B arranged opposite), juxtaposed together: such flaps 4a, 4b, 4c and 4d of the sheet 4 are the ones that protrude with respect to mutually opposite heads B of that block A.
  • the grip means 5 will further be able to translate according to a stroke for approach/spacing apart with respect to the block A, so as to be able to place the sheet 4 under traction (in that distancing the grip means 5 from the block A, while they grip the flaps 4a and 4b or the flaps 4c and 4d, implies the application of a traction on the sheet 4).
  • This traction ensures the minimization (even the total elimination) of wrinkles or irregularities of the sheet 4 with respect to the surface of the block A on which it rests.
  • the station 1 comprises at least one pair of mutually opposite jaws 6: such jaws 6 are parallel to the at least one first pusher 3a, 3b.
  • the jaws 6 are substantially aligned with the centerline of the block A and can move in a direction for mutual approach/spacing apart, with consequent clamping of the block A and compression of the covering sheet 4 on that block A.
  • clamping pushers 3a, 3b are two in number and are mutually opposite.
  • the block A is interposeable between the pushers 3a, 3b, therefore the approach of the pushers 3a, 3b causes the compression of the sheet 4 on the block A and the elastic deformation, the pressing, of the block A.
  • the station 1 further comprises at least one coupling unit 7 for the flaps of the sheet 4 (for example the flaps leading to the edges 4a and 4b or the flaps leading to the edges 4c and 4d).
  • the unit for coupling 7 is slideable parallel to the clamping pushers 3a, 3b along the end flaps 4a, 4b and 4c, 4d, juxtaposed together, of the sheet 4.
  • the unit for coupling 7 can be a sewing machine, in particular a machine of the type known as "cut and sew”: this can couple together, by way of stitching, the juxtaposed flaps 4a, 4b and/or 4c, 4d; if a machine of the "cut and sew" type is used then the machine can simultaneously perform the stitching and elimination of the portions of the flaps 4a, 4b and/or 4c, 4d that protrude with respect to the stitching, thus directly obtaining the finished blank (i.e. the block A correctly covered with the sheet 4).
  • a sewing machine in particular a machine of the type known as "cut and sew”: this can couple together, by way of stitching, the juxtaposed flaps 4a, 4b and/or 4c, 4d; if a machine of the "cut and sew" type is used then the machine can simultaneously perform the stitching and elimination of the portions of the flaps 4a, 4b and/or 4c, 4d that protrude with respect to the stitching,
  • the station 1 comprises two pairs of clamping pushers 3a, 3b, each one substantially aligned with a respective head B of the block A.
  • Such version is particularly efficient in that it makes it possible to close the covering envelope, which is provided directly with the sheet 4, simultaneously on two mutually opposite heads B.
  • the station 1 will also comprise mutually opposite double grip means 5, for retaining respective end flaps 4a, 4b and 4c, 4d of the sheet 4 that protrude from mutually opposite edges (heads B) of the block A.
  • each unit 7 will be arranged proximate to a respective head B arranged opposite to the one that the other unit 7 is facing.
  • the covering station 1 comprises an assembly for supplying covering sheets 4: such assembly can be constituted by a magazine in which sheets 4 of preset dimensions are mutually stacked or (and preferably) it can be constituted by a reel on which a laminar body is wound starting from which the covering sheets 4 can be made (by cutting portions thereof of the desired length).
  • the station 1 further comprises locking means for the end edge of the covering sheet 4 (for example the end edge of the portion protruding from the reel): the locking means are arranged proximate to the resting surface 2, and the possibility is not ruled out that they can be directly accommodated and/or comprised in the surface 2.
  • the locking means can be constituted by clamps, gripper hands or, according to a particularly efficacious embodiment, by a lamina, controlled by a servomotor, which is parallel to a wall at the side of the surface 2 and adapted to lock the edge of the sheet 4 between it (the lamina) and such wall.
  • the station 1 further comprises at least one first pusher for the forced translation of the block A toward the covering sheet 4, parallel to the edge thereof: substantially the block A can then be pushed, making it translate on the surface so as to make it slide with its lower face (facing and proximate to the surface 2) above the sheet 4, and this sheet 4 will enclose the end head B of the block A and will go to cover the upper face of that block A.
  • the pusher element can also be constituted by a linear bar (substantially of similar length to the length of the wall/head B of the block A on which it will act in compression) controlled by adapted automatic servomotors adapted for its controlled translation.
  • the station 1 also comprises at least one stroke limiting shoulder, opposite and parallel to the at least one first pusher; the shoulder, in such case, will be arranged at a distance from the locking means of the end edge of the sheet 4 (which, as seen previously, are arranged proximate to the resting surface 2) substantially similar to the width of the block A.
  • the shoulder will preferably be cylindrical and, according to a particularly useful embodiment, it can be constituted by an idle roller.
  • the shoulder will preferably be installed on trolleys that can move with respect to the chassis of the station 1 so that the position thereof can be varied as a function of the size of the block A to be covered.
  • the block A will therefore end up pressed between the pusher element and the shoulder, undergoing an elastic deformation that will result in a reduction in its length (along the direction in which the compression is applied).
  • the station further comprises at least two pressers, for the compression of the sheet 4 on the block A and the juxtaposition of the further end flaps of sheet 4 on mutually opposite faces of that block A.
  • the pressers can be constituted by rotating rollers: such rollers will rotate and be able to translate toward each other for the tensioning and compression of the sheet 4 on the block A and the juxtaposition of the end flaps of that sheet 4.
  • the rollers will be coupled to the chassis of the station 1 by way of moveable brackets controlled by specific controlled servomotors.
  • rollers rotate will make it possible to take advantage of their rotary motion in order to subject the sheet 4 to traction so as to "extract" the flaps of the sheet 4 from the face of the block A in an orderly fashion, while still keeping them parallel to the surface of the block A on which they are laid and preventing the remaining portion of sheet 4 that remains on such surface of the block A from having wrinkles or irregular deformations.
  • the pressers will be nothing more than bodies acting on the block A, at right angles to its upper and lower face, for the pressing of the sheet 4 on the block A with consequent elastic deformation of the block (compression).
  • the unit for coupling can be a sewing machine, a sewing machine of the type known as "cut and sew", a heat-sealing apparatus, an adhesive bonding apparatus and the like.
  • the station 1 can comprise at least one processor for acquiring the measurements of the block A (which could be input by an operator by way of an adapted interface device) and calculating the consequent dimensions of the respective covering sheet 4 and of the correct position of the stroke limiting shoulder, if any.
  • automatic detection means of a type preferably chosen from among mechanical measurement units, optical measurement units, laser measurement units, infrared measurement units and the like, for acquiring the measurements of the block A and sending the same to the processor.
  • the block A when completely covered, will have lines of stitches (or heat-sealing or generic coupling) on three sides, while on the remaining side the sheet 4 will be continuous and folded onto itself (such side is the one that came to rest against the shoulder during the covering operation).
  • the station 1 described is therefore adapted to the provision of blocks A covered with sheets 4 for providing pillows, mattresses, upholstery for furniture and the like.
  • the material that constitutes the block A will preferably be chosen from among elastomers, rubber, latex, polymeric foams (including the polyurethane foams known with the commercial name "memory foam”) and latex foam, silicone slabs and the like.
  • the covering sheets 4 are constituted by material of the type of fabric, knitted material and the like, in particular fabrics of the type known in the textile sector with the names "tricot” and "jersey". It should be noted that, for some applications, it is preferable to choose covering sheets 4 of the elastic type so that, when they are subjected to traction by the grip means 5 or by the other clamps cited, they yield elastically without being damaged.
  • sheets 4 made of elastic material so that they can follow the deformations that the block A will undergo during the use thereof.
  • the supply assembly is constituted by a reel on which the covering material is wound, it will be possible to separate the single sheet 4 that is needed from the remaining part of the material present on the reel by way of a cutter.
  • the present invention further relates also to a method of covering blocks A made of deformable material, which consists of the execution of a plurality of consecutive steps.
  • a third step involves gripping with adapted grip means 5 the end flaps 4a, 4b and 4c, 4d of the sheet 4, which are in juxtaposed pairs and which protrude from the block A.
  • the subsequent fourth step consists of retracting the grip means 5, integrally with the end flaps 4a, 4b and 4c, 4d, away from the block A with consequent tensioning of the sheet 4 (which can deform elastically, if its structure allows it, or induce further deformations of the block A on which it is laid).
  • the fifth step involves freeing the at least one head B of the block A, which is achieved by distancing the at least one pusher 3a, 3b from it.
  • the traction exerted by the grip means 5 on the flaps 4a, 4b and 4c, 4d causes a sort of "ironing" of the sheet 4 on the surfaces of the block A (which expands elastically because the pressing action of the pushers 3a, 3b has ended): this therefore eliminates the wrinkles and irregular deployments of the sheet 4 on the block A with respect to the centerline thereof (on which the pressure from the jaws 6 is exerted).
  • a seventh step it is necessary to clamp again the at least one head B of the block A, with at least one pusher 3a, 3b so as to press the sheet 4 (which has already been subjected to traction and is outspread along the block A) on the block A and compress the block A, thus reducing its thickness (also stably coupling the sheet 4 on the block A in such configuration).
  • the ninth step involves mutually coupling the end flaps 4a, 4b and 4c, 4d at their regions that are proximate to the at least one head B by way of at least one first coupling unit 7: more specifically this involves the stitching of the end flaps 4a, 4b and 4c, 4d (or gluing them, or heat-sealing them).
  • the tenth and final step involves interrupting the clamping of the block A, performed by the pushers 3a, 3b and by the jaws 6, so that the completely covered block A can be removed.
  • the second step of clamping the at least one head B of the block A can in turn comprise some operating sub-steps.
  • the block A (and, on it, the sheet 4) will be clamped at the centerline by the jaws 6.
  • the pusher 3a, 3b will be in the raised configuration of rest, substantially proximate to the centerline (or even just at a preset distance from the heads B), and externally with respect to the jaws 6.
  • the sole purpose of its approach toward the block A in this first sub-step is to bring its protruding end lamina into contact with the sheet 4, which in turn is laid on the block A.
  • the at least one pusher 3a, 3b can be translated parallel to the corresponding surface of the block A (keeping its height constant with respect to the block A), while its end lamina is resting on the sheet 4, until such end lamina is aligned with the end wall of the head B.
  • This sub-step is to stretch the sheet 4 on the face of the block A on which it is laid, by taking advantage of the action of the protruding end lamina of the pusher 3a, 3b: by sliding on the sheet 4, while resting on it, the protruding end lamina subjects the sheet 4 to a pre-tensioning and reduces the number of positioning wrinkles and irregularities that it presents.
  • the method according to the invention entails the execution of further additional steps.
  • a first end edge of a covering sheet 4 the end edge can be the free one, protruding from the supply reel.
  • the block A to be covered is arranged on the resting surface 2, facing and aligned with the portion of the sheet 4 that protrudes from the resting surface 2: in this step the block A affects the surface 2 through lying on a face of the sheet 4, the sheet 4 will slide on the surface of the block A while the block A comes onto the surface 2; this is because the end edge of the sheet 4 is coupled to the surface 2.
  • the method then proceeds to clamp the block A, using respective pressers which are capable of subjecting the sheet 4 and the block A to compression, leaving loose the first and second edges, which are superimposed and protrude from the block A.
  • the present invention solves the problems described previously, by providing a covering station 1 for blocks A made of deformable material which is completely automated and which therefore does not require any intervention from the operator.
  • the covering station 1 is adapted to cover blocks A of various different sizes, potentially also of various different shapes and/or partially irregular.
  • the station 1 will automatically proceed to calculate the correct dimensions of the covering sheet 4 and the position that the various components (which include for example the stroke limiting shoulder, the pressers, the pushers 3a and 3b, the jaws 6, etc.) will have to assume, according to a particular embodiment.
  • the measurements of the block A can be taken automatically by way of dedicated sensors (photocells, laser detectors and the like), for the purpose of detecting all the dimensional parameters necessary for adapting to the corresponding format.
  • the method of covering blocks A is adapted to be applied to blocks A of any size.
  • the materials employed, as well as the dimensions, may be any according to requirements and to the state of the art.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Tents Or Canopies (AREA)
  • Road Repair (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)

Claims (11)

  1. Poste de fermeture d'un habillage destinés à des blocs (A) composés d'un matériau déformable, du type qui comprend une surface de repos (2) pour au moins un bloc (A), caractérisé en ce qu'il comprend :
    - au moins un poussoir de fixation (3a, 3b) qui est aligné avec au moins une tête (B) dudit bloc (A) et qui peut se déplacer vers la surface dudit bloc (A) jusqu'à ce qu'il soit pressé en vue de la compression d'une feuille d'habillage (4) sur ledit bloc (A),
    et comprend :
    - un moyen de prise (5) destiné à retenir les volets d'extrémité juxtaposés (4a, 4b), (4c, 4d) de ladite feuille (4) qui dépassent dudit bloc (A), ledit moyen de prise (5) étant capable de se déplacer selon une course d'approche/d'éloignement par rapport audit bloc (A) afin de tirer sur ladite feuille (4).
  2. Poste d'habillage selon la revendication 1, caractérisé en ce qu'il comprend au moins une paire de mâchoires mutuellement opposées (6), qui sont parallèles audit au moins premier poussoir (3a, 3b), qui sont sensiblement alignées avec la ligne centrale dudit bloc (A), et qui peuvent se déplacer dans une direction d'approche/d'éloignement mutuel, avec conséquence de fixer ledit bloc (A) et de comprimer ladite feuille d'habillage (4) sur ledit bloc (A).
  3. Poste d'habillage selon la revendication 1, caractérisé en ce que lesdits poussoirs de fixation (3a, 3b) sont au nombre de deux et sont mutuellement opposés, ledit bloc (A) pouvant être interposé entre lesdits poussoirs (3a, 3b), l'approche desdits poussoirs (3a, 3b) provoquant la compression de ladite feuille (4) sur ledit bloc (A) et la déformation élastique et la pression dudit bloc (A).
  4. Poste d'habillage selon la revendication 1, caractérisé en ce qu'il comprend au moins une unité de couplage (7) pour les volets de ladite feuille (4), qui peut coulisser parallèlement auxdits poussoirs de fixation (3a, 3b) le long des volets d'extrémité juxtaposés (4a, 4b), (4c, 4d) de ladite feuille (4),
  5. Poste d'habillage selon une ou plusieurs des revendications précédentes, caractérisé en ce qu'il comprend deux paires de poussoirs de fixation (3a, 3b), chacun sensiblement aligné avec une tête respective (B) dudit bloc (A), des moyens de prise doubles mutuellement opposés (5) destinés à retenir les volets d'extrémité (4a, 4b), (4c, 4d) de ladite feuille (4) qui dépassent des bords mutuellement opposés dudit bloc (A), et deux unités de couplage (7), qui sont chacune capables de coulisser parallèlement auxdits poussoirs de fixation (3a, 3b) le long des seconds volets d'extrémité juxtaposés (4a, 4b), (4c, 4d) de ladite feuille (4), lesdites unités étant prévues à proximité des têtes mutuellement opposées (B) dudit bloc (A).
  6. Poste d'habillage selon une ou plusieurs des revendications précédentes, caractérisé en ce qu'il comprend :
    - un ensemble destiné à fournir des feuilles d'habillage (4),
    - un moyen de verrouillage destiné au bord d'extrémité de ladite feuille d'habillage (4), qui est prévu à proximité de ladite surface (2) ;
    - au moins un premier poussoir destiné à la translation forcée dudit bloc (A) vers ladite feuille d'habillage (4), parallèle audil bord d'extrémité de celle-ci ;
    - au moins un épaulement de limitation de course, qui est prévu de manière opposée et parallèle audit au moins premier poussoir, à une distance prédéfinie dudit moyen de verrouillage destiné à verrouiller ledit bord d'extrémité de la feuille (4), à proximité de ladite surface de repos (2), ladite distance prédéfinie étant sensiblement similaire à la largeur dudit bloc (A) ;
    - au moins deux presseurs, pour la compression de ladite feuille (4) sur ledit bloc (A) et qui juxtaposent les volets d'extrémité supplémentaires da ladite feuille (4) :
    - au moins une pince de saisie, qui agit sur lesdits volets d'extrémité supplémentaires de ladite feuille (4) pour tendre ladite feuille (4),
    - au moins une unité de couplage supplémentaire, qui peut coulisser parallèlement auxdits presseurs le long des volets d'extrémité juxtaposés supplémentaires de ladite feuille (4).
  7. Poste d'habillage selon une ou plusieurs des revendications précédentes, caractérisé en ce qu'il comprend au moins un processeur destiné à acquérir les mesures dudit bloc (A) et à calculer les dimensions conséquentes de la feuille d'habillage respective (4) et la position adéquate dudit épaulement de limitation de course.
  8. Poste d'habillage selon la revendication précédente, caractérisé en ce qu'il comprend un moyen de détection automatique, du type de préférence choisi parmi des unités de mesure mécaniques, des unités de mesure optiques, des unités de mesure par laser, des unités de mesure par infrarouges et similaires, afin d'acquérir les mesures dudit bloc (A) et de les envoyer audit processeur.
  9. Procédé d'habillage de blocs (A) composés d'un matériau déformable, qui consiste à :
    - fixer ledit bloc (A) avec des mâchoires respectives (6), qui sont alignées sensiblement avec la ligne centrale dudit bloc (A), afin de comprimer ladite feuille (4) sur les deux faces mutuellement opposées dudit bloc (A) sur lesquelles lesdites mâchoires (6) agissent,
    - fixer au moins une tête (B) dudit bloc (A), avec au moins un poussoir (3a, 3b) de façon à presser ladite feuille (4) sur ledit bloc (A) et à comprimer ledit bloc (A), de façon à réduire son épaisseur,
    - saisir, avec le moyen de prise approprié (5), les volets d'extrémité juxtaposés (4a, 4b), (4c, 4d) de ladite feuille (4) qui dépassent dudit bloc (A),
    - rétracter ledit moyen de prise (5), intégralement avec lesdits volets d'extrémité (4a, 4b), (4c, 4d), l'écart dudit bloc (A), afin de tendre ladite feuille (4),
    - libérer la tête au moins (B) dudit bloc (A), en écartant le poussoir (3a, 3b) au moins,
    - fixer à nouveau la tête au moins (B) dudit bloc (A), avec au moins un poussoir (3a, 3b) de façon à presser ladite feuille (4) sur ledit bloc (A) et à comprimer ledit bloc (A), de façon à réduire son épaisseur,
    - libérer les volets d'extrémité (4a, 4b), (4c, 4d) dudit moyen de prise (5), en écartant ledit moyen de prise (5) desdits volets (4a, 4b), (4c, 4d),
    - coupler mutuellement les volets d'extrémité (4a, 4b), (4c, 4d) au niveau de leurs zones qui sont à proximité de ladite tête au moins (B) à l'aide d'au moins une première unité de couplage (7),
    - interrompre la fixation dudit bloc (A), par les poussoirs (3a, 3b) et lesdites mâchoires (6).
  10. Procédé selon la revendication 9, caractérisé en ce que l'étape de fixation de la tête au moins (B) dudit bloc (A) avec au moins un poussoir (3a, 3b) de façon à presser ladite feuille (4) sur ledit bloc (A) et à comprimer ledit bloc (A), et à réduire son épaisseur, consiste à :
    - déplacer ledit poussoir au moins (3a, 3b) vers une partie qui est sensiblement proche de la ligne centrale du bloc (A) jusqu'à ce qu'une lamelle d'extrémité en saillie de celui-ci repose sur la feuille (4) qui est posée sur la surface correspondante du bloc (A),
    - déplacer ledit au moins un poussoir (3a, 3b) parallèlement à la surface correspondante du bloc (A), pendant que ladite lamelle d'extrémité de celui-ci repose sur ladite feuille (4), jusqu'à ce que ladite lamelle terminal soit alignée avec la paroi d'extrémité de ladite tête (B).
    - déplacer ledit au moins un poussoir (3a, 3b) plus près du bloc (A) jusqu'à ce que la tête au moins (B) dudit bloc (A) soit fixée, en appuyant ladite feuille (4) sur ledit bloc (A) et en comprimant ledit bloc (A), afin de réduire son épaisseur.
  11. Procédé selon la revendication 9, qui consiste à :
    - retenir un premier bord d'extrémité d'une feuille d'habillage (4) sur une surface de repos (2),
    - sur la surface de repos (2), placer un bloc (A) à habiller, qui fait face à et est aligné avec la partie de ladite feuille (4) qui dépasse de ladite surface de repos (2),
    - pousser ledit bloc (A) contre ladite feuille (4) jusqu'à ce qu'un premier cadre périmétrique de celui-ci soit sensiblement aligné avec ledit premier bord d'extrémité de ladite feuille (4) qui est relié à ladite surface (2), jusqu'à la butée d'un second cadre dudit bloc (A), prévu de manière opposée au premier cadre, sur un épaulement de limitation de course, et l'application d'une pression supplémentaire sur le premier cadre dudit bloc (A), qui est opposé à l'épaulement en vue de la compression dudit bloc (A),
    - libérer ledit premier bord d'extrémité de la feuille (4) de la surface (2) et prévoir un second bord de ladite feuille (4), qui est opposé au premier bord, en alignement et en juxtaposition avec ledit premier bord,
    - fixer ledit bloc (A), avec des presseurs respectifs, et soumettre la feuille (4) et le bloc (A) à une compression, en laissant desserrés le premier et le second bords, qui sont superposés et qui dépassent du bloc (A),
    - interrompre la compression du bloc (A) appliquée vers l'épaulement de limitation de course,
    - coupler mutuellement les zones proches du premier et du second bords superposés, qui font face à et sont proches du cadre dudit bloc (A) qui est opposé audit épaulement (6),
    - interrompre la fixation dudit bloc (A) effectuée par lesdits presseurs.
EP16171545.3A 2015-05-28 2016-05-26 Station destinée à refermer un couvercle pour blocs faits d'un matériau déformable et procédé permettant de recouvrir des blocs constitués de matériau déformable Not-in-force EP3098173B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITUB2015A000963A ITUB20150963A1 (it) 2015-05-28 2015-05-28 Stazione per la chiusura di un rivestimento per blocchi in materiale deformabile e procedimento per il rivestimento di blocchi in materiale deformabile.

Publications (2)

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EP3098173A1 EP3098173A1 (fr) 2016-11-30
EP3098173B1 true EP3098173B1 (fr) 2017-09-13

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EP16171545.3A Not-in-force EP3098173B1 (fr) 2015-05-28 2016-05-26 Station destinée à refermer un couvercle pour blocs faits d'un matériau déformable et procédé permettant de recouvrir des blocs constitués de matériau déformable

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EP (1) EP3098173B1 (fr)
IT (1) ITUB20150963A1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE319722B (fr) * 1964-06-17 1970-01-19 Duplan Ab
US4711067A (en) * 1984-02-03 1987-12-08 Giuliano Magni Method of packaging a single mattress to a small size to be conveniently carried
US6672038B2 (en) * 2001-03-02 2004-01-06 Optima Machinery Corporation Bag manipulating method and assembly for a bag filling station
US8490367B2 (en) * 2008-03-03 2013-07-23 H.W.J. Designs For Agribusiness, Inc. Bagging assembly
DE102010003764B4 (de) * 2009-05-12 2019-09-26 Chris Heynen Vorrichtung und Verfahren zum Umhüllen von Matratzen mit einem Trikotmaterial

Non-Patent Citations (1)

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

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