EP3599289B1 - Machine de finition de surfaces laminaires flexibles utilisées comme revêtement d'objets - Google Patents

Machine de finition de surfaces laminaires flexibles utilisées comme revêtement d'objets Download PDF

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Publication number
EP3599289B1
EP3599289B1 EP19188041.8A EP19188041A EP3599289B1 EP 3599289 B1 EP3599289 B1 EP 3599289B1 EP 19188041 A EP19188041 A EP 19188041A EP 3599289 B1 EP3599289 B1 EP 3599289B1
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EP
European Patent Office
Prior art keywords
lower cylinder
machine
cylinder
box
load
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EP19188041.8A
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German (de)
English (en)
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EP3599289A3 (fr
EP3599289A2 (fr
Inventor
Dario Rubbo
Diego Cailotto
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Dms International A Responsabilita' Limitata Semplificata Soc
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Dms International A Responsabilita' Limitata Semplificata Soc
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Publication of EP3599289A3 publication Critical patent/EP3599289A3/fr
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C14—SKINS; HIDES; PELTS; LEATHER
    • C14B—MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES
    • C14B1/00—Manufacture of leather; Machines or devices therefor
    • C14B1/44—Mechanical treatment of leather surfaces
    • C14B1/56—Ornamenting, producing designs, embossing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
    • B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
    • B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
    • B05C1/0826—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being a web or sheets
    • B05C1/083—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being a web or sheets being passed between the coating roller and one or more backing rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
    • B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
    • B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
    • B05C1/0856—Reverse coating rollers

Definitions

  • the present invention relates to a machine for finishing flexible laminar surfaces used as coating of objects, items or products of various kinds: in this regard, the flexible laminar surfaces finished by the improved machine of the invention comprise leather, imitation leather, synthetic material, fabric and/or similar (with specific exclusion of the paper).
  • finishing machines are mainly used (better known in the industry as “roller spreaders”, “spreading machines” or more simply “spreader”) in which the leather to be finished, preferably conveyed by a pair of mutually opposite feeding belts, passes on a lower transport and contrast cylinder made of rubber (so-called rubberized cylinder) and functionally and constructively arranged downstream the aforesaid conveying and stretching group.
  • an upper spreading cylinder provided with an engraved outer surface (so-called engraved cylinder) and facing and opposite to the underlying rubberized lower cylinder which counteracts its action, pressing on the upper face of the leather in advance, deposits a film of liquid product useful for the finishing/colouring of the leather and previously distributed on the outer surface of the engraved upper cylinder by distribution means (such as a transverse blade, generally identified as "doctor blade").
  • distribution means such as a transverse blade, generally identified as "doctor blade"
  • the engraved upper cylinder (as well as, moreover, the rubberized lower cylinder) is rotated by respective motorization means, installed on the load-bearing frame of the finishing machine in synchronous mode with the direction of advancement of the leather on the relative feeding belt, or in reverse, that is in the direction opposite to the direction of advance of the leather: this means that when successive portions of the outer surface of the upper cylinder in rotation progressively meet the underlying leather in linear advancement, the ones are moving in accordance or not with the other, depending on whether synchronous or inverse mode is operating.
  • the execution of leather (especially if soft leather) finishing treatments in the aforesaid inverse mode is entrusted to a rubberized conveyor belt whose broader surface front ensures leather adhesion and traction, while the execution of leather finishing treatments that provide for printing with drawings and/or effects of various types takes place in synchronous mode preferably by means of a rubberized transport and contrast cylinder, in order to get a more precise contact between the engraved cylinder and the leather to be finished.
  • the present invention relates specifically to the machines for finishing flexible laminar surfaces (used as coating of objects, items and/or products) which comprise a lower cylinder rather than a rubberized conveyor belt as transport and contrast surface.
  • the advancement speed of the flexible laminar surfaces must be controlled and limited, and moreover the flexible laminar surfaces themselves, passing from the lower feeding belt of the conveying and stretching group to the rubberized lower cylinder, describe a rather evident curve (however increasingly reduced by the technological developments) and touch a still limited arc of the circumference of the rubberized lower cylinder, with consequent non-negligible and not insignificant reduction in the distension (or spreading) degree of the flexible laminar surfaces and, ultimately, inevitable worsening of the finishing treatment performed on them.
  • a last but not least drawback of the finishing machines of the prior art is constituted by the fact that the dimensions, and therefore the weight, of the cylinders which allow the application of the liquid product on the upper face of the flexible laminar surfaces oblige to design a load-bearing frame with high mechanical resistance, which is possible only by providing components made of steel: this entails a considerable weight of the known machines as a whole and/or of their components which makes their handling more complicated and difficult.
  • the present invention aims to fully and effectively remedy them.
  • main purpose of the present invention is to provide a machine for finishing flexible laminar surfaces used as coating of objects, items or products of various kinds which allows to improve the efficiency of such treatment machines with respect to that one offered by the equivalent machines of the known type.
  • primary (although not the only one) purpose of the present invention is to provide a machine for finishing flexible laminar surfaces used as coating of objects which allows a more effective application of the liquid product on the flexible laminar surfaces than that one of finishing machines of known type, even in presence of a higher - and therefore, more problematic to manage - speed of advancement of the flexible laminar surfaces than that one provided by the machines of the prior art considered herein.
  • the improved finishing machine of the invention allows to improve the effectiveness of the treatment performed by them on flexible laminar surfaces, such as the leathers of the tanning industry, with respect to the machines of the equivalent prior art.
  • the ratio (D 1 /D 2 ) between the diameter (D 1 ) of the lower cylinder (made of soft, flexible or elastically yielding material, typically rubber) and the diameter (D 2 ) of the engraved upper cylinder has a value included between 1.35 and 1.40 (1.35 ⁇ D 1 /D 2 ⁇ 1.40), preferably equal to 1.37, well below that one of the equivalent machines of the known type which, moreover, propose technical teachings that go exactly to the opposite direction to that one followed by the invention (see EP2177632 in this regard).
  • the flexible laminar surfaces follow a less arched, more rectilinear trajectory and rest on an arc of circumference of the lower cylinder greater than what occurs with known machines, to the advantage of a greater stretching or distension of the laminar surfaces themselves and a consequent improvement in the application of the film of liquid product on the upper face of the laminar surfaces, in relation to what can be found in the finishing machines of the prior art.
  • the finishing machine of the present invention has a lower weight than that one of similar machines of the prior art: values of the ratio (D 1 /D 2 ) between the diameter (D 1 ) of the lower cylinder and the diameter (D 2 ) of the engraved upper cylinder like those ones provided by the invention and already indicated above, lower than those ones shown by similar conventional machines, allow, moreover, to design many of the components of the load-bearing frame of the finishing machine exclusively claimed herein in light metallic material, such as aluminum.
  • the finishing machine of the invention has a constructive conception which is not at all complicated by the provision of such a ratio (D1/D2) between the diameter (D1) of the lower cylinder and the diameter (D2) of the engraved upper cylinder.
  • the finishing machine of the present invention provides that the lower cylinder is removably coupled to the load-bearing frame through fixing means accessible by the operator who operates on them in such a way as to define for the lower cylinder a main working position, taken during the normal operating conditions of the machine, in which the lower cylinder is stably coupled to the load-bearing frame and facing the upper cylinder from which it remains spaced apart by the passage light, and an auxiliary release position, taken during the temporary non-operating conditions of the machine, in which the lower cylinder is disengaged and separated from the load-bearing frame in order to allow its removal from the bulk of the load-bearing frame itself.
  • the lower cylinder can be removed from the front part (that one at which the flexible laminar surfaces are introduced into the finishing machine of the invention) of the load-bearing frame, freer from components and therefore easier to access by the operator.
  • the fixing means just mentioned are partly contained in a first box-like protective body, belonging to the load-bearing frame, also containing the first motorization means which move the lower cylinder and arranged laterally to the latter and to the upper cylinder, outside the working area of the flexible laminar surfaces between the rubberized lower cylinder and the engraved upper cylinder.
  • This particular arrangement of the fixing means in the finishing machine of the invention allows, on one hand, to ease the operator in arranging the lower cylinder from the main working position to the auxiliary release position and vice versa and, on the other hand, to reduce the risk that impurities, dust, processing residues, splashes of finishing material damage the fixing means as well, making their manoeuvre more problematic and more unpleasant.
  • the machine for finishing flexible laminate surfaces P such as the tanning industry leathers, used for the external coating of objects such as, for instance, furniture, shoes, bags, belts, jackets, seats or other parts of car bodywork, is illustrated in figure 1 where it is globally numbered with 1.
  • the leathers P that can be worked with the finishing machine 1 of the invention include not only the smaller ones (so-called "mezzine” and having a width of 1,800 ⁇ 2,400 mm) but also those ones that reach a higher width, up to 3,400 mm.
  • the finishing machine 1 comprises:
  • the ratio D 1 /D 2 between the diameter D 1 of the lower cylinder 3 and the diameter D 2 of the upper cylinder 5 presents a value comprised between 1.35 and 1.40 (1.35 ⁇ D 1 /D 2 ⁇ 1.40).
  • such a ratio D 1 /D 2 between the diameter D 1 of the lower cylinder 3 and the diameter D 2 of the upper cylinder 5 presents a value between 1.36 and 1.39 (1.36 ⁇ D 1 /D 2 ⁇ 1.39).
  • the ratio D 1 /D 2 between the diameter D 1 of the lower cylinder 3 and the diameter D 2 of the upper cylinder 5 has a value equal to 1.37.
  • the upper cylinder 5 has a diameter D2 comprised between 170 mm and 175 mm, generally equal to 173 mm.
  • the lower cylinder 3 is rotated around the first transverse axis X 1 in a direction T, for example clockwise, equal to the direction W in which the upper cylinder 5 is placed in rotation around the second transverse axis X 2 in such a way that consecutive portions of the outer surface 3a and of the outer surface 5a respectively of the lower cylinder 3 and of the upper cylinder 5 interfere according to opposite rotation directions (and from below and from above, respectively) with the flexible laminar surface P as the latter passes to the inside of the laminar passage light 7.
  • the finishing machine 1 also comprises conveying and distensions means, as a whole indicated by 9, coupled to the load-bearing frame 2 and arranged upstream the lower cylinder 3 and the upper cylinder 5 and comprising first of all a main feed belt 10 suitable for receiving one at a time the spread flexible laminar surfaces P to be subjected to a finishing treatment and to advanced them along the prefixed direction F.
  • conveying and distensions means as a whole indicated by 9, coupled to the load-bearing frame 2 and arranged upstream the lower cylinder 3 and the upper cylinder 5 and comprising first of all a main feed belt 10 suitable for receiving one at a time the spread flexible laminar surfaces P to be subjected to a finishing treatment and to advanced them along the prefixed direction F.
  • the conveying and distension means 9 include an auxiliary feed belt 11 superiorly and at least partly facing and opposite to the main feed belt 10 from which it is spaced apart to define a passage gap 12 of the flexible laminar surfaces P spread and resting on the outer surface 10a of the main feed belt 10: taken together, the main feed belt 10 and the auxiliary feed belt 11 form an assembly (which can also be sold separately) which in the tanning and/or textile sector is usually identified as "spreader".
  • the rotation speed of the lower cylinder 3 is higher than the speed with which the flexible laminar surfaces P advance along the prefixed direction F while they are supported by the main feed belt 10.
  • first transverse axis X 1 and the second transverse axis X 2 are parallel each other, generally horizontal.
  • the lower cylinder 3 is operatively connected with the first motorization means 4 through a connecting joint 13, clearly visible in figure 7 , that could be replaced by other mechanical transmission systems, such as for instance a joint cardan, in other embodiments of the invention finishing machine.
  • the lower cylinder 3 is removably coupled to the load-bearing frame 2 through fixing means, on the whole indicated by 14, accessible by the operator who operates on them in such a way as to define for the lower cylinder 3:
  • the fixing means 14 are partly contained in a first box-like protective body 15 belonging to the load-bearing frame 2 and made for example of aluminum, whose inner volume is accessible and can be inspected by the operator by acting on a access door 16 rotatably coupled to such a first box-like protective body 15.
  • the first box-like protective body 15 contains the first motorization means 4 and is arranged laterally to the lower cylinder 3 and upper cylinder 4, outside the working area of the flexible laminar surfaces P between the lower cylinder 3 and the upper cylinder 5: in essence, the width of the working area coincides precisely with the length of the two cylinders 3 and 5 compared to which it's slightly smaller as value.
  • the fixing means 14 are, preferably, partly arranged close to the inner wall 15a of the first box-like protective body 15 and near the two ends 3b, 3c opposite each other of the lower cylinder 3, facing the working area of flexible laminar surfaces P.
  • the constructive measures just described allow to mechanically isolate at least (but not only, as it will be clear below) the first motorization means 4 and part of the fixing means 14 from the working area of the flexible laminar surfaces P, preserving them to a greater extent than the known art from the contact with impurities, powders or other foreign bodies that are generated during the finishing treatment and that can even seriously affect the functioning thereof.
  • the fixing means 14 comprise:
  • first plate 19 and the second plate 22 have a profile that is equal each other which mainly extends along a plane orthogonal to the transverse axis X1 of the lower cylinder 3.
  • Both the first plate 19 and the second plate 22 end, at a front portion 19b, 22b opposite to the rear portion 19a, 22a, with a front handle 24 accessible by the operator who manoeuvres it during the lower cylinder 3 extraction phase from the load-bearing frame 2 and the subsequent re-introduction phase, to put it back in the main working position.
  • the second box-like protective body 23 As far as the second box-like protective body 23 is concerned, it is arranged as well laterally to the lower cylinder 3 and the upper cylinder 4 (on the opposite side compared to the first box-like body 15), outside the working area of the flexible laminar surfaces P between the aforesaid two cylinders 3 and 5; the second box-like protective body 23 contains other components traditionally provided for this type of machine, such as for example the pneumatic piston 25 for cylinders changing in the magazine 54 defined in the upper part of the load-bearing frame 2.
  • the second box-like body 23 also contains the actuation means, generally numbered with 47, suitable to adjust the distance of the lower cylinder 3 from the upper cylinder 5 (and, in turn, the height of the passage light 7 and, therefore, the working thickness of the flexible laminar surfaces P), as it will be shortly better highlighted.
  • the lower cylinder includes two grooved wheels 26, 27 (visible for instance in figures 1 and 4 ), arranged one at the first end 3b and the other one at the second end 3c of the lower cylinder 3 to be interposed, respectively, between the first plate 19 and the first box-like body 15 and between the second plate 22 and the second box-like body 23.
  • first safety group 20 and the second safety group 21 include, as shown in Figures 5-7 :
  • the finishing machine 1 of the invention also comprises guide means, indicated as a whole with 31, coupled to the load-bearing frame 2 and cooperating with the grooved wheels 26, 27, having the function of easing the controlled and safe extraction (and the re-introduction or re-application) of the lower cylinder 3 from the overall dimensions of the load-bearing frame 2 starting from its auxiliary release position as previously defined.
  • the guide means 31 comprise:
  • the second guide means 33 are installed in the finishing machine 1 of the invention only when, occasionally (when necessary, but generally once every one or two years) the rubberized lower cylinder 3 takes the auxiliary release position and it must be removed from the load-bearing frame 2 for proper general maintenance or replacement.
  • the auxiliary structure 34 comprises two vertical uprights 35, 36 spaced apart and opposite each other, mutually connected by a horizontal reinforcing crosspiece 37, which support a pair of respective auxiliary tracks 38, 39 belonging to the second guide means 33, each of which removably and linearly coupled to a respective main track 40, 41 fixed to the inner wall 15a, 23a respectively of the first box-like body 15 and second box-like body 23.
  • the fixing means 14 are operatively connected with adjustment means, on the whole indicated by 42, useful for varying the position of the lower cylinder 3 to vary the distance between the lower cylinder 3 and the upper cylinder 5 changes and, consequently, the height of the passage light 7, as the thickness of the flexible laminar surfaces P passing through it and/or of the quantity of film of liquid product L to be applied on the upper face P s of the flexible laminar surfaces P to be perform their finishing treatment varies.
  • the adjustment means 42 comprise:
  • the actuation means 47 make sliding the side bars 43, 44 inside the respective through slots 45, 46 according to a curved trajectory, thus adjusting the position of the lower cylinder 3 with respect to the upper cylinder 5.
  • the actuation means 47 comprise, in a purely preferential and non-binding way, a pair of pneumatic pistons (not shown for the sake of simplicity), one contained into the first box-like body 15 and the other one in the second box-like body 23.
  • Figures 15 and 19 also show that, preferably but appropriately, the side bars 43, 44 are connected each other by a spacer reinforcing element 50 (typically a rigid rod, for example having a circular or prismatic profile) suitable to stabilize their operability, having substantially the same length of the lower cylinder 3 and contained in the overall dimensions of the loadbearing frame 2, particularly between the two box-like bodies 15 and 23.
  • a spacer reinforcing element 50 typically a rigid rod, for example having a circular or prismatic profile
  • the finishing machine 1 of the present invention also comprises a transfer belt, not shown for the sake of simplicity in the attached drawings, arranged functionally downstream the processing cylinders 3 and 5 from which it receives the flexible laminar surfaces P spread and finished, in order to make them thus available to the unloading for a new phase in their treatment and handling process.
  • the operation of the finishing machine 1 of the present invention is managed by a central processing and control unit controlled by the operator through a control panel 58, visible for example in figure 10 .
  • Figures 12 to 21 show the operating sequence to be adopted for extracting the lower cylinder 3, and the carriage system 51 which makes it sliding, from the load-bearing frame 2, starting from the operating situation shown in figure 12 , in which the finishing machine 1 of the invention is in use conditions and the lower cylinder 3 is in its traditional main working position.
  • the finishing machine 1 is firstly turned off and the spreader (the previously defined conveying and distension assembly 9) is moved back by the operator according to the direction given by the arrow G.
  • the operator proceeds to remove the side trays 48, 49 of recovery of the liquid product L (see figure 14 ) and of the transverse cleaning blade 53 (also called the “wiper blade”, see figure 15 ) operatively connected with the lower cylinder 3 to clean and/or dry the outer surface 3a thereof.
  • the operator removes the side bars 43, 44 from the respective shaped plates 19, 22 (keeping them in any case constrained to the respective pneumatic pistons) and possibly also the spacer reinforcing element 50 (see figure 19 ) and, following the direction given by the arrow K in figure 20 , extracts from the inlet (or from the front part 52 of the machine 1) the lower cylinder 3 and the carriage system 51 which supports it, causing it to slide outwardly along firstly the main tracks 40, 41 of the first guide means 32 and subsequently along the auxiliary tracks 38, 39 belonging to the second guide means 33 and previously installed with the auxiliary structure 34.
  • the finishing machine of the invention is more versatile compared to equivalent finishing machines of prior art: not by chance, the lower cylinder, with its drag carriage, is removable from the load-bearing frame from the front part (that one where the entry of flexible laminar surfaces occurs) after removing any but usually present conveying and distension means (spreader), and this in a way faster and easier than in the known art.
  • the finishing machine of the invention in its basic and essential components expressed in the attached claim 1, can also be produced and marketed in kit form with the conveying and distension means, removably coupled to its load-bearing frame, with the auxiliary structure arranged in front of the lower and upper processing cylinders (rollers) and supporting the second guide means, also removably coupled to the load-bearing frame and/or to the grad belt (in case it is removably coupled to the load-bearing frame).

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Coating Apparatus (AREA)
  • Golf Clubs (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Claims (20)

  1. Machine (1) de finition de surfaces laminaires flexibles (P) utilisées comme revêtement d'objets comprenant :
    - une structure porteuse (2) appropriée pour se reposer sur une surface de référence (S) ;
    - un cylindre de transport et de contraste inférieur (3), couvert d'un matériau flexible et couplé de manière stable à ladite structure porteuse (2), relié de manière opérationnelle à des premiers moyens de motorisation (4) appropriés pour le faire pivoter autour d'un premier axe transversal (X1) défini par ledit cylindre inférieur (3) ;
    - un cylindre de revêtement supérieur (5), pourvu d'une surface externe (5a) gravée et couplée de manière stable à ladite structure porteuse (2), relié de manière opérationnelle auxdits seconds moyens de motorisation (6) appropriés pour le faire pivoter autour d'un second axe transversal (X2) défini par ledit cylindre supérieur (5) qui fait face et est opposé de manière supérieure audit cylindre inférieur (3) duquel il est espacé pour définir une lumière de passage (7) entre ledit cylindre inférieur (3) et ledit cylindre supérieur (5) appropriée pour recevoir une à la fois des surfaces laminaires flexibles étendues (P) au moins en partie supportée par ledit cylindre inférieur (3) ;
    - au moins une lame transversale (8), couplée à ladite structure porteuse (2), reliée de manière opérationnelle audit cylindre supérieur (5) sur ladite surface externe (5a) de laquelle il est approprié pour distribuer une pellicule de produit liquide (L) que ledit cylindre supérieur (5), tout en pivotant autour dudit second axe transversal (X2), dépose par pression, au niveau de ladite lumière de passage (7), sur la face supérieure (Ps) desdites surfaces laminaires flexibles (P) avançant le long d'une direction préfixée (F) et supportée par ledit cylindre de transport et de contraste inférieur (3),
    caractérisée en ce que le rapport (D1/D2) entre le diamètre (D1) dudit cylindre inférieur (3) et le diamètre (D2) dudit cylindre supérieur (5) a une valeur comprise entre 1,35 et 1,40 (1,35 ≤ D1/D2 ≤ 1,40).
  2. Machine (1) selon la revendication 1, caractérisée en ce que ledit rapport (D1/D2) entre ledit diamètre (D1) dudit cylindre inférieur (3) et ledit diamètre (D2) dudit cylindre supérieur (5) a une valeur entre 1,36 et 1,39 (1,36 ≤ D1/D2 ≤ 1,39).
  3. Machine selon la revendication 1 ou 2, caractérisée en ce que ledit rapport (D1/D2) entre ledit diamètre (D1) dudit cylindre inférieur (3) et ledit diamètre (D2) dudit cylindre supérieur (5) a une valeur égale à 1,37.
  4. Machine (1) selon l'une quelconque des revendications précédentes, caractérisée en ce que ledit cylindre inférieur (3) est pivoté autour dudit premier axe transversal (X1) dans une direction (T) égale à celle (W) dans laquelle ledit cylindre supérieur (5) est placé en rotation autour dudit second axe transversal (X2).
  5. Machine (1) selon l'une quelconque des revendications précédentes, caractérisée en ce qu'elle comprend des moyens de transport et de distension (9), couplés à ladite structure porteuse (2) et disposés en amont dudit cylindre inférieur (3) et dudit cylindre supérieur (5) et comprenant au moins une courroie d'alimentation principale (10) appropriée pour recevoir une à la fois des surfaces laminaires flexibles étendues (P) pour être soumise à un traitement de finition et pour les faire avancer le long de ladite direction préfixée (F).
  6. Machine (1) selon la revendication 5, caractérisée en ce que lesdits moyens de transport et de distension (9) comprennent une courroie d'alimentation auxiliaire (11) faisant face et opposée de manière supérieure au moins partiellement à ladite courroie d'alimentation principale (10) de laquelle elle est espacée pour définir un écart de passage (12) desdites surfaces laminaires flexibles (P) se reposant sur une surface externe (10a) de ladite courroie d'alimentation principale (10).
  7. Machine (1) selon l'une quelconque des revendications précédentes, caractérisée en ce que ledit cylindre inférieur (3) est relié de manière opérationnelle auxdits premiers moyens de motorisation (4) à travers un joint de liaison (13).
  8. Machine (1) selon l'une quelconque des revendications précédentes, caractérisée en ce que ledit cylindre inférieur (3) est couplé de manière amovible à ladite structure porteuse (2) à travers des moyens de fixation (14) accessibles par l'opérateur qui travaille sur eux de manière à définir pour ledit cylindre inférieur (3) une position de travail principale, relevée pendant des conditions de fonctionnement normales de ladite machine (1), dans laquelle ledit cylindre inférieur (3) est fermement couplé à ladite structure porteuse (2) et faisant face audit cylindre supérieur (5) duquel il reste espacé par ladite lumière de passage (7), et une position de libération auxiliaire, relevée pendant les conditions de non fonctionnement temporaires de ladite machine (1), dans laquelle ledit cylindre inférieur (3) est désengagé et séparé de ladite structure porteuse (2) pour permettre son extraction des dimensions globales de ladite structure porteuse (2).
  9. Machine (1) selon la revendication 8, caractérisée en ce que lesdits moyens de fixation (14) sont en partie contenus dans un premier corps de protection en forme de boîte (15) appartenant à ladite structure porteuse (2), contenant lesdits premiers moyens de motorisation (4) et disposés latéralement audit cylindre inférieur (3) et audit cylindre supérieur (4), à l'extérieur de la zone de travail desdites surfaces laminaires flexibles (P) entre ledit cylindre inférieur (3) et ledit cylindre supérieur (5).
  10. Machine (1) selon la revendication 9, caractérisée en ce que lesdits moyens de fixation (14) sont en partie disposés proches d'une paroi interne (15a) dudit corps de protection en forme de boîte (15) et à proximité de deux extrémités (3b, 3c) face à face audit cylindre inférieur (3), faisant face à ladite zone de travail desdites surfaces laminaires flexibles (P).
  11. Machine (1) selon la revendication 8, 9 ou 10, caractérisée en ce que lesdits moyens de fixation (14) comprennent :
    - un support façonné (18), pourvu d'une première extrémité reliée auxdits premiers moyens de motorisation (4) et d'une seconde extrémité reliée de manière amovible à une première plaque façonnée (19) couplée de manière stable à une première extrémité (3b) dudit cylindre inférieur (3) de manière à s'interposer entre lesdits premiers moyens de motorisation (4) et un bord latéral (3d) dudit cylindre inférieur (3) ;
    - un premier groupe de sûreté (20) disposé au niveau d'une partie arrière (19a) de ladite première plaque façonnée (19) et au niveau d'une première paroi (15a) dudit premier corps de protection en forme de boîte (15) ;
    - un second groupe de sûreté (21) disposé au niveau de :
    • une partie arrière (22a) d'une seconde plaque façonnée (22), couplée fermement à une seconde extrémité (3c) dudit cylindre inférieur (3) et opposée et faisant face à ladite première plaque façonnée (19) ;
    • une paroi interne (23a) d'un second corps de protection en forme de boîte (23), contenant lesdits seconds moyens de motorisation (6) et opposée et faisant face audit premier corps en forme de boîte (15).
  12. Machine (1) selon la revendication 11, caractérisée en ce que ladite première plaque (19) et ladite seconde plaque (22) ont un profil égal l'une à l'autre et se terminent chacune au niveau d'une partie avant (19b, 22b) opposée à ladite partie arrière (19a, 22a), à une poignée avant (24) accessible par l'opérateur.
  13. Machine (1) selon la revendication 11, caractérisée en ce que ledit second corps de protection en forme de boîte (23) est disposé latéralement audit cylindre inférieur (3) et audit cylindre supérieur (4), à l'extérieur de la zone de travail desdites surfaces laminaires flexibles (P) entre ledit cylindre inférieur (3) et ledit cylindre supérieur (5).
  14. Machine (1) selon la revendication 11, caractérisée en ce que ledit cylindre inférieur (3) comprend deux roues rainurées (26, 27), disposées une au niveau de ladite première extrémité (3b) et l'autre au niveau de ladite seconde extrémité (3c) dudit cylindre inférieur (3) à interposer, respectivement, entre ladite première plaque (19) et ledit premier corps de protection en forme de boîte (15) et entre ladite seconde plaque (22) et ledit second corps de protection en forme de boîte (23).
  15. Machine (1) selon la revendication 11, caractérisée en ce que ledit premier groupe de sûreté (20) et ledit second groupe de sûreté (21) comprennent :
    - une pince de bloc façonnée (28) fixée à ladite paroi interne (15a, 23a) à la fois dudit premier corps de protection en forme de boîte (15) et dudit second corps de protection en forme de boîte (23) ;
    - un ou plusieurs rouleaux auxiliaires (29) couplés à ladite première plaque (19) et à ladite seconde plaque (20) au niveau de ladite partie arrière (19a, 22a), logés fermement, lorsque ledit cylindre inférieur (3) prend ladite position de travail principale, dans un siège interne (30) communiquant avec l'extérieur inférieurement et latéralement, défini dans ladite pince de bloc façonnée (28).
  16. Machine (1) selon la revendication 13, caractérisée en ce qu'elle comprend des moyens de guidage (31), couplés à ladite structure porteuse (2) et coopérant avec lesdites roues rainurées (26, 27), appropriés pour faciliter une extraction contrôlée et sécurisée dudit cylindre inférieur (3) desdites dimensions globales de ladite structure porteuse (2).
  17. Machine (1) selon la revendication 16 lorsqu'elle dépend de la revendication 15, caractérisée en ce que lesdits moyens de guidage (31) comprennent :
    - des premiers moyens de guidage (32), couplés fermement et définitivement à ladite paroi interne (15a, 23a) dudit premier corps en forme de boîte (15) et dudit second corps en forme de boîte (23) et supportant de manière coulissante lesdites roues rainurées (26, 27) et lesdits rouleaux auxiliaires (29) lorsque ledit cylindre inférieur (3) prend ladite position de libération auxiliaire ;
    - des seconds moyens de guidage (33), couplés de manière stable mais de manière amovible auxdits premiers moyens de guidage (32) et supportant de manière coulissante lesdites roues rainurées (26, 27) et lesdits rouleaux auxiliaires (29) pendant ladite extraction dudit cylindre inférieur (3) de ladite structure porteuse (2) et supportés par une structure auxiliaire (34) appropriée pour être disposée en amont dudit cylindre inférieur (3) et dudit cylindre supérieur (5) et pour se reposer sur ladite surface de référence (S).
  18. Machine (1) selon l'une quelconque des revendications de 8 à 17, caractérisée en ce que lesdits moyens de fixation (14) sont reliés de manière opérationnelle avec des moyens de réglage (42) de la position dudit cylindre inférieur (3), pour modifier la distance entre ledit cylindre inférieur (3) et ledit cylindre supérieur (5) et, par conséquent, la hauteur de ladite lumière de passage (7), lorsque l'épaisseur desdites surfaces laminaires flexibles (P) en transit à travers elle et/ou la quantité de ladite pellicule du produit liquide (L) à appliquer sur ladite face supérieure (Ps) desdites surfaces laminaires flexibles (P) changent.
  19. Machine selon la revendication 18 lorsqu'elle dépend de la revendication 11, caractérisée en ce que lesdits moyens de réglage (42) comprennent :
    - deux barres latérales (43, 44), fixées de manière amovible une à ladite partie avant (19b) de ladite première plaque façonnée (19) et l'autre à ladite partie avant (22b) de ladite seconde plaque (22), faisant saillie latéralement de ladite première (19) et seconde plaque (22) et insérées dans deux fentes traversantes (45, 46) avec un profil allongé et arqué réalisées l'une dans ledit premier corps en forme de boîte (14) et l'autre dans ledit second corps en forme de boîte (23), de manière à être en partie contenues dans ledit premier (15) et second corps de protection en forme de boîte (23) et en partie faisant saillie vers l'extérieur de la paroi interne (15a, 23a) dudit premier (15) et second corps de protection en forme de boîte (23) ;
    - des moyens d'actionnement (47), contenus dans ledit premier (15) et ledit second corps de protection en forme de boîte (23) où ils sont reliés de manière opérationnelle à une première extrémité (43a, 44a) de chacune desdites barres latérales (43, 44),
    lesdites barres latérales (43, 44) réalisées coulissantes à l'intérieur desdites fentes traversantes (45, 46) selon une trajectoire courbe de manière à régler ladite position dudit cylindre inférieur (3) par rapport audit cylindre supérieur (5).
  20. Machine (1) selon la revendication 19 lorsque la revendication 11 dépend de la revendication 8, caractérisée en ce que lesdites barres latérales (43, 44) sont reliées l'une à l'autre à travers un élément de renforcement d'écartement (50) approprié pour stabiliser leur fonctionnement, ayant sensiblement la même longueur dudit cylindre inférieur (3) et contenu dans lesdites dimensions globales de ladite structure porteuse (2).
EP19188041.8A 2018-07-24 2019-07-24 Machine de finition de surfaces laminaires flexibles utilisées comme revêtement d'objets Active EP3599289B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102018000007456A IT201800007456A1 (it) 2018-07-24 2018-07-24 Macchina per la rifinizione di superfici laminari flessibili di rivestimento di oggetti

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EP3599289A2 EP3599289A2 (fr) 2020-01-29
EP3599289A3 EP3599289A3 (fr) 2020-03-04
EP3599289B1 true EP3599289B1 (fr) 2021-11-03

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Publication number Priority date Publication date Assignee Title
IT202000003311A1 (it) * 2020-02-18 2021-08-18 Ge Ma Ta Spa Macchina per la rifinizione di pelli
CN112495688B (zh) * 2020-11-26 2022-06-14 上海明克包装制品有限公司 一种包装袋用密封纸刷胶机
IT202200008819A1 (it) * 2022-05-02 2023-11-02 Ing Polin & C S P A “macchina per la formatura di un prodotto alimentare, preferibilmente un biscotto”
CN117225638B (zh) * 2023-11-13 2024-02-23 兴化市新光合金材料有限公司 一种不锈钢丝表面涂油设备

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Publication number Priority date Publication date Assignee Title
IT1243161B (it) 1990-11-09 1994-05-24 Cartigliano Off Spa Macchina tamponatrice a rulli per l'impregnazione superficiale di pelli e prodotti similari
ITUD20030014A1 (it) 2003-01-24 2004-07-25 Ind Meccaniche Bergi Ofb Spa Ora Bergi Spa Macchina spalmatrice per pelli di conceria.
IT1390925B1 (it) * 2008-08-05 2011-10-19 Ge Ma Ta Spa Macchina per la rifinizione a rullo di pelli naturali, cuoio e simili, funzionante con il metodo cosiddetto "sincro".
IT1392599B1 (it) * 2008-10-09 2012-03-09 Ge Ma Ta Spa Macchina per la rifinizione a rullo di pelle, finta pelle, tessuto, materiale sintetico e simili
TR201907080T4 (tr) * 2015-06-11 2019-06-21 Ge Ma Ta Spa Deri eşyaların kesintisiz boyanmasına yönelik makine.
EP3150728A1 (fr) * 2015-10-02 2017-04-05 GE.MA.TA. S.p.A. Machine pour le corroyage par rouleaux des peaux naturelles et du cuir

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ES2905723T3 (es) 2022-04-11
EP3599289A3 (fr) 2020-03-04
IT201800007456A1 (it) 2020-01-24
EP3599289A2 (fr) 2020-01-29

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