EP2964714A1 - Ruban adhésif à chaud permettant de fermer des parties de revers ou permettant l'accouplement parmi plusieurs couches de tissu et pourvu d'une couche protectrice amovible - Google Patents

Ruban adhésif à chaud permettant de fermer des parties de revers ou permettant l'accouplement parmi plusieurs couches de tissu et pourvu d'une couche protectrice amovible

Info

Publication number
EP2964714A1
EP2964714A1 EP13724416.6A EP13724416A EP2964714A1 EP 2964714 A1 EP2964714 A1 EP 2964714A1 EP 13724416 A EP13724416 A EP 13724416A EP 2964714 A1 EP2964714 A1 EP 2964714A1
Authority
EP
European Patent Office
Prior art keywords
tape
adhesive
fabric
thermal
protective layer
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Withdrawn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
EP13724416.6A
Other languages
German (de)
English (en)
Inventor
Tamara DI PANCRAZIO
Matteo CATALDO
Michela CATALDO
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP2964714A1 publication Critical patent/EP2964714A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/20—Adhesives in the form of films or foils characterised by their carriers
    • C09J7/21—Paper; Textile fabrics
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
    • C09J7/35—Heat-activated

Definitions

  • the present invention refers to the technical field relative to the making of fabrics such as clothing items (jackets, trousers, coats, skirts, etc.) but also fabrics destined to the making of curtains, for example.
  • the invention refers to an innovative type of thermal-adhesive tape for operating the closure of parts of fabric to couple or turn up and that allows to operate a fast and precise closure or coupling between the parts .
  • the invention refers also to the method of realization of the turn-up or the coupling between the parts through the use of said thermal-adhesive tape.
  • one of these comprises an operation of "blind stitch” sewing and that comprises the operation of sewing the turned up part with the internal part of the item on which it is folded.
  • the sewing passes through the entire thickness of the turned up part but does not pass through the entire thickness of the item on which the turn-up lays down. In this way, the sewing does not emerge outside and therefore is not visible from the external part of the item itself.
  • such a type of sewing requires an adjustment of high precision for the sewing machines and such adjustment cannot be easily obtained in the case of particularly thin fabrics, such as summer clothing items.
  • the tape in fact comprises two strips of fabric which are sewn between them in an overlapped manner, that is coupled on two opposed faces and sewn together between them.
  • the two faces opposed to the sewing are covered with a particular adhesive resin which is activated with heat.
  • a first ironing operation of the turn up takes place, without the use of the tape, in such a way as to define the turn up to create.
  • a second ironing operation of the folded turn-up takes place and containing the said tape.
  • the heat of the iron therefore activates the resin which makes that the tape interposed adheres to both the turned up corner on one side and the inside of the fabric on which the corner has been turned up on the other one, thus joining the two parts .
  • the tape works as an ordinary bi-adhesive tape interposed between two parts to join, in which the adhesive is activated by the reaching of a certain threshold temperature during the ironing action.
  • the tape is therefore interposed in the turn-up in such a way that the part with sewing faces the internal part of the clothing item, while the other adhesive strip, which is not entirely passed through by the sewing or is just touched, adheres on the part of the turn-up that faces the external part of the clothing item.
  • the marking will result evident just on the non-visible part of the clothing item.
  • the vacuum machines cannot guarantee an adequate hold of position and therefore there is a high risk of translation of the thermal-adhesive tape before it activates. In that sense, the adhesion of the tape can easily take place in a wrong position.
  • Another big technical problem concerns the fact that, when the thickness and the type of fabric varies, the passage of the heat through the turn-up (as also in the case of two layers of fabric to couple) does not take place in the same manner. In fact, there is no direct contact between iron and tape and therefore the reaching of the optimal conditions of temperature for the activation of the resin can require different times and modalities according to the thicknesses and fabrics that are coupled.
  • thermo-adhesive tape that allows a coupling between the fabrics that is precise, without the risk of accidental movements of the tape and that, at the same time, guarantees an optimal activation of the adhesive for not risking to incur serious problems of quality that would cause the waste of the product.
  • thermal-adhesive tape 1 for the coupling of two parts of fabric, for example during the making of turned up parts or the simple union of two layers of fabric, in accordance with claim 1.
  • the thermal-adhesive tape in accordance with the invention, comprises a first face (2' ) and a second face (3') opposed between them and both provided with a thermally-activatable adhesive.
  • a thermally-activatable adhesive for example, thermoplastic or thermal-hardening resins can be used as adhesives and the adhesive can be distributed in discrete spots or spread in a quite uniform way.
  • At least one of said two faces (2', 3' ) provided with the thermally- activatable adhesive results further covered with a protective layer 10.
  • the type of protective layer 10 is selected in such a way that, following an activation of the adhesive and its consequent cooling, this adheres slightly with the underlying adhesive material with which it is in direct contact, therefore resulting removable and leaving at the same time the adhesive on the face (2', 3) that covered still perfectly idoneous to operate one or more new cycles of activation with its adhesive power almost unvaried.
  • the protective layer 10 it is possible to preliminarily apply the tape directly on the open fabric without the need of a pre-turn-up and pass the iron directly in contact on the tape on the part of the protective layer, therefore avoiding that the underlying adhesive ruins or sticks to the surface of the iron despite its activation.
  • the tape can now be positioned on the extended fabric, along a closing line (indifferently on the corner or on the internal part of the fabric or simply on one of the two layers of fabric that want to be joined) .
  • the tape is positioned in such a way that its face lacking the protective layer is in contact with the fabric on which to operate the turn-up, while the protective layer faces upwards on the opposite side, therefore in direct contact with the source of heat, either of the iron or of any other machine.
  • the user can now make the iron slide directly on the tape in contact with the protective layer. In this way, the heat will activate the adhesive that will make the tape adhere on the part in contact with the fabric but the protective tape will impede that the adhesive, though activated, grips against it or against the surface that generates the source of heat, for example the iron.
  • the user has a way of verifying visibly the positioning of the tape so as to maintain its correct position during all the " application process.
  • the surface that transmits the heat is now in direct contact with the tape 1 without the interposition of any fabric, therefore allowing a control of the temperatures and of the times of application that is very precise and independent from the fabrics to couple .
  • the user after the process of activation of the adhesive, can without problems remove the protective layer and fold the corner on the tape to operate the closure of the turn-up, or leave the tape lacking or provided with protective layer for any other industrial passage that the fabric, or the clothing item, has to encounter in the production line. It will be enough to heat again the adhesive so that it fluidifies and re-solidifying after some seconds, creating the cohesion with the surface of the fabric with which it is placed in contact.
  • the protective layer (10) can be selected in a silicone material since it is an optimal anti-adherent .
  • silicone rubbers have the peculiarity of being significantly resistant to temperature, chemical attacks and oxidation, and are optimal electric insulators. In particular, they are elastic, resistant to age and to high temperatures .
  • silicone has the further advantage of the cheapness in its production since a low cost material can be used, for example, such as the paper tape, to then cover it with silicone. Moreover, it is resistant to oxidation and therefore resists in time.
  • (10) can be a tape covered with silicone, for example a paper tape or a tape of any other material.
  • the protective layer (10) can be selected of Teflon.
  • Teflon is an optimal valid alternative, particularly in ranges of temperature inferior to 250 °C, for example around 100 °C - 150 °C.
  • the tape can be for example formed by:
  • said first and second strip can be for example sewn between them.
  • the sewing can be for example of the
  • said first and second strip can be joined between them with glue, thermosealing or ultrasound.
  • the thermally-activatable adhesive can be a resin, for example a thermoplastic or a thermal- hardening resin.
  • the protective tape is separated and applied separately with respect to the tape of the background art provided with the adhesive.
  • an adhesive tape (1) provided with a first face (2' ) and a second face (3' ) opposed between them and both provided with a thermally-activatable adhesive, at least one of said two faces being further covered with a protective layer (10) configured in such a way as to result removable after the activation of the adhesive, leaving at the same time the adhesive on the face (2' , 3) idoneous to operate a new activation cycle;
  • the protective tape is integrated to the tape provided with thermally-activatable glue and therefore the method results faster.
  • the operation of application of the surface (300) foresees the passage of an iron (300) or a plate press or a continuous press.
  • FIG. 1 shows a thermal-adhesive tape 1 in accordance with the present invention, therefore provided with a protective layer 10;
  • FIG. 3 shows anchoring spots 20 for allowing the protective tape 10 to adhere to the underlying tape also when the adhesive is not activated, in such a way as to be able to produce rolls of such a tape provided with protective tape;
  • - Figure 4 shows an enlarged view of such anchoring points 20; - Figures from 5 to 10 show an example of use for the realization of a turn-up or the coupling of two separate fabrics .
  • Figure 1 shows a thermal-adhesive tape 1 in accordance with the invention.
  • the tape as per the background art, and as shown in figure 2, is formed by two strips (2, 3) for example of interfacing material, fabric, nonwoven fabric, according to the needs.
  • the two strips are coupled between them by overlapping the one on top of the other, in such a way that the face of one results opposed to the face of the other one and operating a stitch 4.
  • the stitch can obviously be of any type and preferably, but not necessarily, of the invisible stitch type.
  • the stitch can be realized along a seamline which is preferably in the middle of the strip but, naturally, it could be in any different position or with multiple stitches (that is many stitches) .
  • stitches that can be used can be for example of rectilinear stitch, lock stitch, zig-zag, simple chain, blind stich, heavy stitching or A F, 327, 329.
  • thermal- adhesive tape obtained through the coupling of two separate strips of fabric is described, it is obvious that the tape can be a single fabric, for example tapes of fabric or nonwoven fabric.
  • the two faces (3' , 4') of the tape are spread with an adhesive in the form of thermoplastic resin or of the thermal-hardening type.
  • Examples of such a type of resin can comprise the Polyamide, Co-Polyamide, Interlining (PA-PES) , Polyester, Polyurethane resins.
  • Such resins can be spread on the faces 2' and 3' of the two strips (or of the single strip if the tape is in a single strip) either in a point way (therefore generating discrete points of resin on the said two surfaces) or spreading in a uniform way.
  • Such resins are such as to be activated with the increase of the temperature when a threshold temperature is reached.
  • the so-called “parameters of activation of the resins” are of importance, which are temperature (T) , time (t) and pressure (p) .
  • the resin passes from the solid state to a rubber state until the subsequent transformation in fluid or semi-liquid, on the basis of the specific resin used.
  • the tape is covered in correspondence of at least one of its faces (for example the face 2' or the face 3' ) with a protective layer 10.
  • such a protective layer is selected in a silicone material, for example silicone treated paper or siliconized paper.
  • siliconized paper it is intended a tape of paper covered externally with a silicone layer arranged at least in the part destined to go in direct contact with the resin.
  • the silicone can be pure or charged with other substances according to mixtures anyway containing a good percentage of silicone.
  • the tape does not have to be necessarily of paper but can be realized of any other material, for example fabric, which is then externally covered with silicone.
  • the protective layer 10 is entirely siliconized externally.
  • the protective layer thus obtained does not impede the passage of heat but its composition is such that the resin, when it passes with the increase of temperature to the fluid state to then become solid again with the decrease of temperature, creates a minimal adhesion with the tape itself, thus guaranteeing a minimal and essential seal, which is long-lasting.
  • Such resins have in fact the property of suffering several fusions and coolings before starting to lose adhesive or glueing features.
  • the silicone does not adhere to the resin, or rather adheres in a very light way, since it has good anti- adherence features so that the structure of the resin cannot grasp the silicone layer.
  • both the tape formed by the coupling of the two strips (3, 4) and the tape of silicone paper unwind with the help of a continuous press.
  • a continuous press in input to the continuous press there arrive separately the tape formed by the two strips coupled provided with resin and a tape of silicone paper.
  • This process has the advantage of being quick and of requiring just an activation of the resin, without having to make physical modifications to the external silicone layer to obtain the anchoring.
  • a productive variant although the one above is to be considered the preferred one for the advantages mentioned, can foresee in alternative as shown in figure 3, the creation of anchoring spots 20 that allow the fixing.
  • Such anchoring spots 20 create a kind of local thickening with greater coefficient of friction since, locally, asperities enter in corresponding micrometric cavities formed by the underlying hard layer of resin.
  • a still better grip can be obtained always by activating the resin, as described above, even if the realization of said anchoring spots obviously complicates the productive process of the silicone-treated paper.
  • Figure 5 shows the arrangement on the fabric 100, on which to operate the turn-up, of the thermal-adhesive tape 1 in accordance with the invention.
  • the dotted line 200 represents the border line of the turn-up.
  • the protective tape 10 for example of silicone or of Teflon as said
  • thermo-resin It is in fact possible to apply directly the tape 1 in the pre-chosen position and pass the iron in such a way that it reaches the temperature of activation of the thermo-resin .
  • the resin is activated and on one part, that in direct contact with the fabric 100, grips as soon as it solidifies in a solid manner (in a few seconds) .
  • the resin in contact with the protective tape is activated but during its solidification the degree of seal is minimal by means of the properties of silicone.
  • Figure 7 enlarges the passage of the iron and highlights the protective layer 10 and the strip provided with thermally-activatable resin and interposed precisely between the fabric 100 and the protective tape.
  • the situation will be that by which the resin activated has gripped both on the fabric and on the protective layer 10 but with a coefficient of seal that is significantly different.
  • the grip is strong and definite while, as said before, the seal of the protective tape is minimal so that said tape results easily removable, leaving almost unaltered the underlying layer of resin arranged on the face of the strip and ready for use again.
  • the correct position of the tape during the passage of the heating surface of the iron can be controlled visibly and in a more precise manner.
  • there is an optimal control of the process since the parameters of temperature, time and pressure result less subject to falls of temperature that would not guarantee the correct glueing of the thermal-adhesive during the application.
  • the sheet of siliconized paper or Teflon is therefore taken and is applied on the thermal-adhesive tape laid on the fabric and the procedure follows exactly as described, without the need to have to purchase a roll of tape 1 as per figure 1.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Adhesive Tapes (AREA)

Abstract

La présente invention concerne un ruban adhésif à chaud (1) destiné à la formation de parties de revers d'un tissu ou à l'accouplement de deux couches de tissu et comprenant une première face (2') et une seconde face (3') entre elles (cousues ou autrement solidarisées) et opposées, et toutes deux pourvues d'un adhésif pouvant être activé à chaud. Selon l'invention, une couche protectrice amovible (10) est en outre prévue pour couvrir au moins l'une desdites faces (2', 3'), ladite couche protectrice étant conçue de sorte à ne pas adhérer complètement à l'adhésif avec lequel elle est en contact direct quand ledit adhésif est activé par la température.
EP13724416.6A 2013-03-04 2013-03-04 Ruban adhésif à chaud permettant de fermer des parties de revers ou permettant l'accouplement parmi plusieurs couches de tissu et pourvu d'une couche protectrice amovible Withdrawn EP2964714A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IT2013/000065 WO2014136129A1 (fr) 2013-03-04 2013-03-04 Ruban adhésif à chaud permettant de fermer des parties de revers ou permettant l'accouplement parmi plusieurs couches de tissu et pourvu d'une couche protectrice amovible

Publications (1)

Publication Number Publication Date
EP2964714A1 true EP2964714A1 (fr) 2016-01-13

Family

ID=48471068

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13724416.6A Withdrawn EP2964714A1 (fr) 2013-03-04 2013-03-04 Ruban adhésif à chaud permettant de fermer des parties de revers ou permettant l'accouplement parmi plusieurs couches de tissu et pourvu d'une couche protectrice amovible

Country Status (2)

Country Link
EP (1) EP2964714A1 (fr)
WO (1) WO2014136129A1 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ202850A (en) * 1981-12-24 1986-08-08 R H Brooks Method of joining carpet using a reinforced adhesive tape and an electrically heated paper backed foil heating element
US7087539B2 (en) * 2001-09-25 2006-08-08 Michael Carbonare Stitchless seam adhesive tape
US7049365B2 (en) * 2003-01-06 2006-05-23 E. I. Du Pont De Nemours And Company Fluoropolymer sealant

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
None *
See also references of WO2014136129A1 *

Also Published As

Publication number Publication date
WO2014136129A1 (fr) 2014-09-12

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