EP1944175A2 - Vorrichtung und Verfahren zur Oberflächenbehandlung länglicher Elemente, u.a. von Metallteilen - Google Patents

Vorrichtung und Verfahren zur Oberflächenbehandlung länglicher Elemente, u.a. von Metallteilen Download PDF

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Publication number
EP1944175A2
EP1944175A2 EP20070025092 EP07025092A EP1944175A2 EP 1944175 A2 EP1944175 A2 EP 1944175A2 EP 20070025092 EP20070025092 EP 20070025092 EP 07025092 A EP07025092 A EP 07025092A EP 1944175 A2 EP1944175 A2 EP 1944175A2
Authority
EP
European Patent Office
Prior art keywords
along
film
rotating support
clamps
elongate member
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP20070025092
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English (en)
French (fr)
Inventor
Franca Saullo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Prometeo Srl
Original Assignee
Prometeo Srl
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Prometeo Srl filed Critical Prometeo Srl
Publication of EP1944175A2 publication Critical patent/EP1944175A2/de
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
    • B44C1/16—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like
    • B44C1/165—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like for decalcomanias; sheet material therefor
    • B44C1/17—Dry transfer
    • B44C1/1712—Decalcomanias applied under heat and pressure, e.g. provided with a heat activable adhesive
    • B44C1/1716—Decalcomanias provided with a particular decorative layer, e.g. specially adapted to allow the formation of a metallic or dyestuff layer on a substrate unsuitable for direct deposition
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/025—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet
    • B41M5/035—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet by sublimation or volatilisation of pre-printed design, e.g. sublistatic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/025—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet
    • B41M5/035—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet by sublimation or volatilisation of pre-printed design, e.g. sublistatic
    • B41M5/0358—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet by sublimation or volatilisation of pre-printed design, e.g. sublistatic characterised by the mechanisms or artifacts to obtain the transfer, e.g. the heating means, the pressure means or the transport means

Definitions

  • surface treatment is intended to include treatments such as liquid coating, powder coating, as well as the creation of ornamental designs obtained through multilayer application (including powder-on-powder, liquid-on-powder and powder-on-liquid coating) and decoration with sublimable dyes.
  • surface treatment is intended to also include other treatments, such as chemical and/or electrochemical and/or mechanical treatments.
  • an apparatus and a process for decorating aluminum sections such as sections designed to form doors and window frames, through sublimation, i.e. by contact transfer of sublimable dyes.
  • aluminum extruded parts can be arranged vertically and handled in various workstations.
  • the vertical arrangement of sections is an obstacle to certain processing steps.
  • temperature homogeneity is difficult to achieve in stoving ovens (where paints are baked or cured).
  • Decoration by sublimation - also known in the art as "sublichromy” - consists in the application of a transfer film, also known as transfer substrate, on the surface to be decorated.
  • Ornamental designs are formed with sublimable dyes on the inner side of the transfer film, i.e. on the side in contact with the surface to be decorated.
  • the dies on the transfer film will sublimate and migrate to the surface of the part to be decorated in contact with the film, where they condense, thereby recreating the designs originally present on the transfer film; after heating, the transfer film is removed.
  • the transfer film has to perfectly adhere to the surface to be decorated; in fact, where the film does not adhere adequately to the surface of the section, the decoration is of poorer quality.
  • EP 0 950 540 B1 discloses an apparatus for decoration by sublimation, which comprises a workbench, on which a workpiece is laid, which workpiece is sealably enclosed in a transfer substrate having the shape of a stocking, a bag or an envelope.
  • a suction device creates a negative pressure in the transfer substrate, for the latter to adhere to the surface to be decorated, while heating means above the workbench heat the transfer substrate to cause sublimation.
  • Adhesion between the transfer film and the surface to be decorated is obtained by creating a negative pressure within the tubular sheathe.
  • the sliders with the sections thereon come into and out of an oven having a single entry/exit opening.
  • Decoration systems are further known in the art, in which, after being wrapped up in their tubular sheathes, the sections are loaded onto a first end of a straight chain conveyor that passes through a tunnel oven extending along a substantially horizontal straight path.
  • a section delivery station is provided at the opposite end of the chain conveyor.
  • the straight chain conveyor further has two parallel chains at its ends, whose links are designed to drive the opposed suction heads for maintaining vacuum conditions in the tubular sheathes as they are carried along.
  • decoration quality consistency requires control of oven power and/or residence times in the oven, to ensure sufficient homogeneity of heat on the workpieces being treated.
  • oven power adjustment is affected by long transients.
  • the aim of the inventor is to obviate at least some of prior art drawbacks and particularly the above mentioned drawbacks.
  • an apparatus 1 for surface treatment e.g. decoration by sublimation, of metal parts, particularly extruded metal sections 10 designed for making doors and window frames.
  • the apparatus 1 comprises a plurality of pairs of opposed clamps 2a, 2b aligned along a substantially horizontal axis X, i.e. an axis substantially orthogonal to the weight force.
  • Each pair of opposed clamps 2a, 2b is adapted to grasp the extruded metal section 10 at its opposed ends and to hold it suspended under tensile stress.
  • Each pair of opposed clamps is designed to be intermittently and synchronously moved in one direction along a closed circuit 3, i.e. a circuit extending along a closed loop.
  • each extruded metal profile 10 may maintain a substantially and/or generally straight horizontal orientation and be carried along its path 3 without requiring any support surfaces such as sliders, handling pallets or linear chain conveyors.
  • the closed-loop circuit 3 comprises a loading station, a delivery station and at least one processing station 5, having one entry 51 and one exit 52 separated from each other.
  • the spacing between pairs of opposed clamps 2a or 2b can be adjusted along the axis X, for the apparatus to be adapted to the length of the metal sections 10 to be subjected to surface treatment.
  • each clamp has a first member 211 and a second member 212.
  • the gripping portions of the two members have a substantially and/or generally rectangular shape, with the longer dimension parallel to the axis X.
  • the first member 211 has a transverse gripping dimension (transverse to the axis X) of less than half the transverse gripping dimension of the second member 212.
  • the gripping surface of one of the two members e.g. the first member 211 has at least two claws
  • the gripping surface of the other member 212 has at least two cavities, opposite the two claws of the first member (see Figures 4 , 4a , 4b , 4c ).
  • the processing station 5 may be a powder or liquid coating station.
  • the apparatus 1 is used for decoration by sublimation, wherefore the apparatus comprises an oven 5 for heating sections 10 enclosed or wrapped up in films 101 that act as substrates for sublimable dye decorations.
  • the oven 5 is a tunnel oven, having one entry 51 and one exit 52 separate from each other, and the closed circuit 3 passing therethrough.
  • Dye sublimation requires the tunnel oven 5 to be able to reach an internal temperature of at least 200°C and preferably at least 230°C.
  • the apparatus can be equipped with air intakes 4a or 4b, also located in opposed positions, and moving along with the clamps, for sucking in air from within the envelope 101 (or stocking or tubular member) that encloses the section 10.
  • the air intakes 4a or 4b can be integral with the clamps 2a, 2b, and particularly oriented parallel to the axis X.
  • the air intakes 4a, 4b are located in the end portions of the sheath.
  • the opposed clamps 2a, 2b can project out of the air intakes 4a, 4b.
  • the air intakes 4a, 4b operate along a portion of the closed circuit 3 that corresponds to the path between the loading station and the exit of the oven 5.
  • the oven 5 has lateral openings 58 extending along the path between the entry 51 and the exit 52, which openings are closed by lateral seals 59 in view of limiting heat losses.
  • the lateral seals of the oven open apart when passed over by each pair of opposed clamps 2a, 2b, and close again thereafter.
  • the lateral seals of the oven are formed of sheets 59 of a material that withstands temperatures of at least 200°C - 250°C, which are pressed against each other by bending springs 591.
  • stations for loading and delivery of the sections 10 may be arranged on the same side of the apparatus 1, which reduces the number of operators required for operating the apparatus as well as the space required for installation thereof.
  • the return portion of the circuit 3 between the exit 52 of the oven and the delivery station (extending beneath the oven 5) may be used for natural or forced cooling of the sections 10.
  • the plurality of pairs of opposed clamps 2a, 2b are driven by two parallel conveyors, such as two synchronously operating double-rail conveyors 20a, 20b.
  • Each double-rail conveyor 20a, 20b has a plurality of sliders 21a, 21b associated therewith (such as self-aligning roller sliders).
  • a clamp 2a, 2b and at least one air intake 4a, 4b are associated to each slider 21a, 21b.
  • Each double-rail conveyor 20a, 20b is driven by at least one chain 22a, 23a, 24a; 22b, 23b, 24b.
  • the double-rail conveyor 20a, 20b include a plurality of pairs of chains 22a, 22b; 23a, 23b; 24a, 24b.
  • Each pair of chains 22a, 22b; 23a, 23b; 24a, 24b is adapted to drive the plurality of slider pairs 21a, 21b along different portions T1, T2, T3 of the closed circuit 3 with a pitch P1, P2, P3 different from that of the other pairs of chains.
  • three chain pulling units 22a, 22b; 23a, 23b; 24a, 24b are provided in the illustrated embodiment, which can be driven independently of one another to move the sliders 21a, 21b (and hence the extruded sections 10) along three successive portions T1, T2, T3 of the circuit 3 with three different pitches P1, P2, P3.
  • the first portion T1 includes the last portion before the delivery station and the path between the delivery station and the entry of the oven 5.
  • the second portion T2 extends along the first part of the path within the oven 5.
  • the third portion T3 completes the path in the oven 5 and guides the workpieces 10 out of the oven 5.
  • the handling pitch P2 along the portion T2 is lower than the pitch P1 along the portion T1.
  • the length of the path within the oven 5, i.e. the overall dimensions of the oven 5 may be reduced, without affecting the throughput per hour.
  • the pitch P2 may be in a range from 2/3 to 1/3 of P1.
  • the portions T3 and T1 of the circuit 3 are not contiguous; a portion T4 is provided in which the sections are temporarily stored for cooling, and are fed using special pushing means (not shown), such as air pistons.
  • means 25a, 25b, 25 are provided for automatically coupling and uncoupling each slider 21a, 21b to and from each chain 22a, 22b; 23a, 23b; 24a, 24b.
  • Coupling and uncoupling occur automatically at the return points of the chains 22a, 22b; 23a, 23b; 24a, 24b.
  • each slider 21a; 21b has two resilient opposing members or triggers 25a, 25b, hinged to the slider.
  • the opposing members 25a, 25b are adapted to temporarily couple each of the chains 22a, 22b; 23a, 23b; 24a, 24b.
  • each chain 22a, 22b; 23a, 23b; 24a, 24b has a pull member 26 for engagement with the opposing members 25a, 25b.
  • the pull member is joined to the billets of the chains 22a, 22b; 23a, 23b; 24a, 24b.
  • the pulling device 26 slides against an opposing member 25a or 25b thereby progressively lifting it and, once it reaches the top of such pulling member 26 is locks between the opposing members 25a, 25b; the slider is thus coupled to the chain 22a, 22b; 23a, 23b; 24a, 24b.
  • the pulling member 26 pivots and releases the opposing member 25a or 25b; the slider is thus released from the chain.
  • Coupling/uncoupling between the chains and the sliders may also occur using other technically equivalent solutions.
  • a reversed structure may be provided, whereby the pulling members 26 might be integral with the sliders, whereas the resilient opposing members might be integral with the chains.
  • the entry 51 and the exit 52 of the oven 5 are both located on one side of the oven.
  • the oven 5 has a chamber extending along a substantially and/or generally inverted U-shaped path, in which the entry and the exit 51, 52 are located at the bottom.
  • This feature allows reduction of the overall dimensions of the oven 5, thereby allowing transportation of the assembled oven using ordinary means of transport, i.e. without using exceptional means of transport.
  • means 53 are provided for creating air recirculation in the chamber of the oven 5 in the direction opposite the motion of the plurality of pairs of opposed clamps 2a, 2b and hence in the direction opposite the motion of the metal sections 10.
  • hot air is sucked in throughout the width of the entry of the oven 5 and sucked air is blown back into the oven throughout the width of the exit 52.
  • hot air recirculating means 53 include a radial fan (located below the entry and the exit 51, 52), whose axial dimension substantially corresponds to the width of the entry 51 and the exit 52 of the oven 5.
  • a V-shaped casing can be placed below the radial fan 53 to improve hot air recirculation efficiency in the oven 5.
  • the oven 5 is equipped with heating means 54, 55 which preferably include IR generator means extending parallel to the axis X, throughout the width of the oven 5.
  • the IR generators have low thermal inertia and afford quick modulation of the thermal power being delivered.
  • This characteristic is particularly advantageous because it allows quick adjustment of thermal power according to the shape and size of the workpieces being treated.
  • the heating means 54, 55 are gas-powered IR generators, which have low operating costs.
  • the IR generators 54, 55 are placed in the oven 5, preferably close to the exit 52.
  • the pair of opposed clamps 2a, 2b can rotate about its axis X, thereby causing the section 10 wrapped up or enveloped in the transfer substrate 101 to also rotate along the portion of its path in the oven 5 in which it is exposed to IR radiation.
  • the opposed clamps 2a, 2b may be rotated, for instance, by means adapted to convert the linear motion of the sliders 21a, 21b into a rotary motion of the clamps.
  • each air intake 4a, 4b is connected to vacuum generation means (not shown) via a contact seal 42, 47.
  • this solution allows a single vacuum pump to supply all air intakes 4a, 4b, thereby dramatically reducing the fabrication costs for the apparatus.
  • the contact seal 42, 47 comprises a sliding track 421 extending along the path of at least one portion of the closed circuit 3, with a plurality of intake ports 43 arranged therein along a path 431 at a (preferably constant) pitch P.
  • Each of the intake ports 43 is in communication with the vacuum generating means through a valve 49 having a closing member 44 that is designed to be opened against the action of return means 45, such as a helical spring.
  • a sliding block 47 is provided for each slider 21a, 21b, integrated therewith and in communication with an air intake 4a, 4b, which is adapted to slide on the sliding track 421 along the path 431.
  • Each sliding block 47 has an intake port 472 in communication with a chamber 471 facing towards the first side 421 of the track 42; the chamber 471 has such a size and shape as to be always in communication with at least one of the intake ports 43 on the sliding track 42 as the latter is moved.
  • At least one of the two contact surfaces of the sliding blocks 47 and the track 42 is formed of low friction, preferably self-lubricating material, such as polytetrafluoroethylene (PTFE).
  • PTFE polytetrafluoroethylene
  • the contact seal 42, 47 has means 48, 441 for keeping at least one of the intake holes 43 facing towards the chamber 472 open, to ensure a continuous intake action for each pair of air intakes 4a, 4b.
  • the means 48, 441 for keeping at least one of the valves 49 (and hence the corresponding port 43) temporarily open include at least one first magnet 48 held within the sliding block 47 and at least one second magnet 441 received within the valve 49 and integral with the closing member 44.
  • the return means 45 cause the closing member 44 of the valve 49 to spring back, thereby closing the intake port 43.
  • the sliding block 47 has a plurality of cylindrical magnets 48 aligned parallel to the feed direction of the sliding block.
  • valves 48 are opened in response to the interaction between two magnets 48, 441.
  • one of the two magnets 48 or 441 may be also envisaged to be replaced by a ferromagnetic element, such as soft iron.
  • valves 44 are received in a seat offset from the axis of the intake port 43.
  • the sliding track 42 may be formed with reduced thickness.
  • the intake ports 43 are in communication with a plurality of hollow bodies 100, which are in turn in fluid communication with the vacuum generating means.
  • the hollow bodies 100 act as vacuum tanks as well as support elements for the sliding track 42.
  • the hollow bodies 100 are part of the bearing structure of the apparatus 1.
  • the apparatus 1 further comprises means for enclosing the sections 10, which are held under tension by the pairs of clamps 2a, 2b, in a film-like sublimable dye or ink transfer substrate 101.
  • means are provided, generally designated by numeral 110, which include: means 112 for unwinding a roll of film 101 having decorations formed thereon with sublimable dyes, at least two translating clamps 111 for feeding the film 101 parallel to the axis X and means, not shown, for transversely cutting out a portion of film 101.
  • the film 101 so cut out is laid on a section 10 in the loading station, in a substantially symmetrical position so that it has two free edges extending parallel to the axis of extension X of the section 10.
  • the apparatus 1 has an elongate suction element 130, integral and in fluid communication with the opposed intakes 4a, 4b, which is parallel to the axis X, i.e. the axis of extension of the metal section 10.
  • the elongate suction element 130 allows air to be sucked in all along the space between the film 101 and the section 10.
  • the elongate suction element 130 is a hollow elongate element 130 having a generally tapered portion which is designed to be introduced between the hanging edges of the film 101.
  • the elongate hollow element 130 is formed with a continuous or intermittent slit parallel to the axis of extension X of the element and/or holes 131 arranged along the axis X for sucking in air from within the film envelope 101.
  • the envelope 101 may be removed by simply stopping air intake, without the need of blowing in air, unlike the prior art.
  • the elongate hollow element 130 is preferably made from a low specific weight and flexible material, such as fiberglass.
  • the hollow elongate element 130 will assume a substantially straight orientation.
  • rotary means may be further provided for exerting a pressing action a film material 101 wrapped around a metal section 10, when the latter is held under tension by the opposed clamps (2a, 2b).
  • the means for exerting such pressing action include a plurality of rotating brushes 141, 142a, 142b that can be moved toward and away from the section 10 held by the opposed clamps 2a, 2b - when the section 10 is downstream from the loading station - which can be displaced parallel to the axis X, i.e. along the direction of extension of the section 10.
  • the bristles of the brushes 141, 142a, 142b press the film 101 against the surface of the section for improved adhesion.
  • the brushes 141, 142a, 142b comprise an upper unit 141, which is designed to operate on the upper portion of the section 10, and two side units 142a, 142b.
  • each clamp 2a, 2b is integral with a hollow stem 150 fitted in a support 160, 161, 162 rotating about the axis X, the hollow stem 150 is able to slide and be locked along the axis X and can be put under tension along the axis X.
  • the apparatus can process sections within a predetermined range of lengths, typically from 4 meters to 7.5 meters.
  • the cavity of the stem 150 can receive a control rod 27 for opening and closing the members of the clamp 2a; 2b.
  • the control rod 27 can be in turn operated by the rotation of a member 190, such as a claw clutch.
  • the cavity of the stem 150 can be also utilized as a passageway for air sucked in by the air intakes 4a, 4b.
  • the rotating support 160, 161, 162 of the hollow stem 150 includes a first rotating support 160, a second rotating support 161 and a third rotating support 162.
  • the second rotating support 161 is rotatably connected to the first rotating support 160, whereas the third rotating support 162 is rotatably connected to the second rotating support 161
  • the second rotating support 161 is able to translate along the axis X toward the first rotating support 160 against first elastic return means 165, whereas the third rotating support 162 is able to translate along the axis X away from the second support 161, against additional elastic return means 164.
  • the second and third rotating supports 161, 162 define a receptacle for an elastic clamp 170 which is designed to lock the hollow stem 150 in a desired position.
  • Means 166 are further provided for keeping a minimum spacing between the first rotating support 160 and the third rotating support 162
  • Axial displacement of the second support 161 relative to the first support 160 is ensured by a first flange 167 integral with the first rotating support 160 and a second flange 168 integral with the second rotating support 161.
  • the two flanges may be moved toward each other by means 180, such as a pair of elements with tines 181, 182 driven by a hydraulic piston 183.
  • the hollow stem 150 is locked in a slightly retracted position under the action of first elastic means 165, wherefore the clamp 2a, 2b can apply a tensile stress to the section 10.
  • each of the opposed clamps 2a, 2b is equipped with means 159 for holding the pressure of the members substantially constant in case of changing thicknesses of the workpieces being held.
  • the means 159 include a helical spring that compensates for any change in the spacing between the members of the clamp, by adjusting the position of a wedge 158 that in turn adjusts the mutual angular position between the members of the clamp.
  • the above apparatus 1 may be used to carry out a process for surface treatment of elongate members, which comprises the steps of:
  • a surface treatment of decoration by sublimation may be carried out on metal sections 10 designed for making doors and window frames, which comprises the steps of:
  • the above apparatus can be used to carry out a process for decorating articles, particularly metal sections 10, by sublimation, comprising the steps of:
  • the above apparatus can be used to carry out a process for surface treatment of elongate members, particularly metal sections 10 designed for making doors and window frames, by sublimation, comprising the steps of:
  • the air blowing step is no longer indispensable for easy removal of the cover 101.
  • the elongate member 10 can be moved with a certain pitch along a closed path 3 comprising:
  • the motion in the tunnel oven 5 can occur with smaller pitches as compared with those of the motion between the loading station and the oven.
  • the decoration process may include a first heating step, substantially by convection, and a second heating step, mainly by radiation.
  • the elongate member 10 can be rotated about its own axis of extension, for more uniform application of radiant energy.
  • Cooling may be of the forced type, to reduce the overall processing cycle times.

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  • Lining Or Joining Of Plastics Or The Like (AREA)
EP20070025092 2006-12-22 2007-12-24 Vorrichtung und Verfahren zur Oberflächenbehandlung länglicher Elemente, u.a. von Metallteilen Withdrawn EP1944175A2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI20062480 ITMI20062480A1 (it) 2006-12-22 2006-12-22 Apparecchio e procedimento per adornare corpi di conformazione allungata in particolare profilati metallici mediante trasferimento di un motivo ornamentale

Publications (1)

Publication Number Publication Date
EP1944175A2 true EP1944175A2 (de) 2008-07-16

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Application Number Title Priority Date Filing Date
EP20070025092 Withdrawn EP1944175A2 (de) 2006-12-22 2007-12-24 Vorrichtung und Verfahren zur Oberflächenbehandlung länglicher Elemente, u.a. von Metallteilen

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EP (1) EP1944175A2 (de)
IT (1) ITMI20062480A1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20102321A1 (it) * 2010-12-20 2011-03-21 Prometeo Srl Apparato per decorare profilati metallici mediante sublimazione
ITMO20120149A1 (it) * 2012-06-05 2013-12-06 Comital S A S Di Giacomello Ivana & C Apparato e metodo per togliere un involucro
IT201700022378A1 (it) * 2017-02-28 2018-08-28 Robert Bortolato Sistema e metodo per trasferire rappresentazioni grafiche per sublimazione su un oggetto
WO2024120672A1 (en) * 2022-12-07 2024-06-13 Isa Sleeve Srl Continuous apparatus for decorating objects with sublimatic inks and continuous process using this apparatus

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20102321A1 (it) * 2010-12-20 2011-03-21 Prometeo Srl Apparato per decorare profilati metallici mediante sublimazione
ITMO20120149A1 (it) * 2012-06-05 2013-12-06 Comital S A S Di Giacomello Ivana & C Apparato e metodo per togliere un involucro
IT201700022378A1 (it) * 2017-02-28 2018-08-28 Robert Bortolato Sistema e metodo per trasferire rappresentazioni grafiche per sublimazione su un oggetto
WO2018158687A1 (en) * 2017-02-28 2018-09-07 Bortolato Robert System and method for transferring graphical images on an object by sublimation
US10857823B2 (en) 2017-02-28 2020-12-08 Robert BORTOLATO System and method for transferring graphical images on an object by sublimation
WO2024120672A1 (en) * 2022-12-07 2024-06-13 Isa Sleeve Srl Continuous apparatus for decorating objects with sublimatic inks and continuous process using this apparatus

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