EP2583576A2 - Machine pour la fabriquation et l'alimentation des pièces d'un matériau adhésif double face. - Google Patents

Machine pour la fabriquation et l'alimentation des pièces d'un matériau adhésif double face. Download PDF

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Publication number
EP2583576A2
EP2583576A2 EP12188913.3A EP12188913A EP2583576A2 EP 2583576 A2 EP2583576 A2 EP 2583576A2 EP 12188913 A EP12188913 A EP 12188913A EP 2583576 A2 EP2583576 A2 EP 2583576A2
Authority
EP
European Patent Office
Prior art keywords
double
tape
segments
sided adhesive
support tape
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Withdrawn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
EP12188913.3A
Other languages
German (de)
English (en)
Other versions
EP2583576A3 (fr
Inventor
Gianluca Passoni
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.)
ALC TECNOLOGIE ADESIVE S.R.L.
Original Assignee
ALC Flenco Group 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 ALC Flenco Group Srl filed Critical ALC Flenco Group Srl
Publication of EP2583576A2 publication Critical patent/EP2583576A2/fr
Publication of EP2583576A3 publication Critical patent/EP2583576A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43D—MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
    • A43D11/00—Machines for preliminary treatment or assembling of upper-parts, counters, or insoles on their lasts preparatory to the pulling-over or lasting operations; Applying or removing protective coverings
    • A43D11/006—Devices for temporarily fixing or aligning insoles on lasts

Definitions

  • the present invention relates to a machine for forming and feeding segments of double-sided adhesive material.
  • the present invention finds advantageous, but not exclusive, application in the field of forming footwear, to which the following description will make explicit reference without thereby losing generality.
  • connection of the assembly insole to the shaped body is carried out by nailing or, preferably, by way of the interposition of segments of double-sided adhesive material between the assembly insole and the forming body.
  • the segments are distributed on the forming body and glued thereto prior to applying the assembly insole which is subsequently pressed against the assembly body so that it adheres thereto.
  • the segments are manually coupled to the forming body by an operator, which receives the segments from a segments feeding machine, which, by way of a rotary suction head draws the segments from a gripping station and rotatingly transfers the segments themselves in a drawing area or station by the assigned operator.
  • the purpose of the present invention is to provide a machine for forming and feeding segments of double-sided adhesive material, which allows to solve the problems outlined above in a simple and economic way.
  • a machine for forming and feeding segments of double-sided adhesive material comprising a frame; a support head of a double-sided adhesive tape comprising an elongated double-sided adhesive portion having two opposite adhesive surfaces and a support tape for said double-sided adhesive portion coupled to one of said double-sided adhesive surfaces; unwinding and guide means for unwinding said double-sided adhesive tape and feeding it along a determined path; cutting means to transversally cut only said double-sided adhesive portion to form a sequence of tape segments; winding means for winding said support tape; and a fixed transfer head of said segments arranged along said path upstream of said winding means.
  • said fixed transfer head comprises a resting track for said support tape and means for partially detaching said segments from the support tape arranged downstream of said resting track.
  • the present invention also relates to a method for forming and feeding double-sided adhesive segments.
  • number 1 indicates as a whole a machine for forming and feeding segments 2 ( Figure 4 ) of double-sided adhesive material in a station 3 for the transfer and application of segments 2 themselves on a forming body 4 ( figure 4 ) for the manufacturing of footwear (not shown).
  • the machine 1 comprises a hollow base 6, a box-like body 7 above the base 6, an upright 8 for supporting the box-like body 7 in a position above the transfer station 3, and a fitting plate 9 integrally connected to the upright 8, to one part, and coupled to base 6 in a releasable manner, to the other.
  • the base 6 delimits a cavity 12 of geometry and dimensions such as to completely house the box-like body 7 and the respective upright 8 when the plate 9 is rotated by 180° with respect to an operating condition, shown with continuous line in Figures 1 and 2 .
  • the segments 2 are obtained starting from a reel A of multilayer tape 13 completely housed inside the box-like body 7 and coupled, by way of a splined joint 14, to a support head 15, in turn, connected to the box-like body 7 to idly rotate about a horizontal axis 16.
  • the multilayer tape 13 comprises an elongated double-sided adhesive portion 18 having two opposite adhesive surfaces 18a and 18b with the same or different adhesiveness to a same adhesion body, and a support tape 19 of the double-sided adhesive portion 18 coupled to the double-sided adhesive surface 18b.
  • the adhesive surface 18b coupled to the support tape 19 has an adhesiveness value lower than the adhesiveness value of the adhesive surface 18a.
  • the multilayer tape 13 is unwound and guided along a determined feeding path P by way of an unwinding and guiding assembly 20, which is also fully housed in the box-like body 7 and comprising an unwinding motorized head 21 of the reel A and for rewinding the support tape 19.
  • the head 21 is coupled to the box-like body 7 in the vicinity of the transfer station 3 and in a raised position with respect to the station 3 itself in rotary manner about an axis 22 parallel to the axis 16.
  • the head 21 is stepwise rotated by an actuator controlled by a unit 23 (schematically shown) for driving and controlling the entire machine 1.
  • a tensioning assembly 25 is arranged, known per se and not described in detail, for maintaining constant the tension of the tape 19, and a cutting assembly 26, conveniently of the knife type, also known per se and not described in detail, to transversally cut only the double-sided adhesive portion 18 of the tape 13 obtaining the above mentioned segments 2.
  • the transfer station 3 is arranged between the cutting assembly 26 and the head 21 and houses a fixed transfer head 27, which projects cantilevered from the box-like body 7 towards the base 6, and on which the support tape 19 is wound along a V-shaped portion P1 of the path P so as to leave the segments 2 facing outwards, i.e. towards the base 6 itself, as can be seen from Figure 4 .
  • the fixed transfer head 27 comprises an attachment arm 28 integrally connected to the box-like body 7 and projecting inside the station 3, and a foot 30 integrally connected to the lower end of the arm 28.
  • the foot 30 is delimited, on the side facing the base 6, by a resting convex curved surface 32, against which, in use, the tape 19 slides and by a surface 33 virtually orthogonal to an end portion of the surface 32 itself.
  • the surface 33 extends towards the winding head 21 in a direction substantially parallel to the direction of the tape 19 being wound on the winding head 21 itself and is connected to the end portion of the surface 32 forming an edge 34 perpendicular to a feeding direction of the support tape 19.
  • the segments 2 formed as a result of the passage through the cutting device 26 are stepwise advanced towards the transfer head 27 and taken in succession in a transfer position.
  • this is progressively advanced by the support tape 19 along the curved surface 32.
  • the tape 19 itself is progressively curved until it reaches the edge 34.
  • the support tape 19 is sharply deviated, as can be seen from Figures 3 and 4 , conveniently by an angle of substantially 90°, towards the head 21 causing the progressive detachment of the segment 2 which remains therefore only partially connected to the tape 19 at the end portion of the surface 32 waiting to be drawn.
  • the forming body 4 is approached to the foot 30 by the operator assigned to the machine 1 and the segment 2 compressed between the forming body 4 and the surface 32 causing the adhesion to the forming body 4 itself.
  • the segment 2 progressively adheres to the forming body 4 and progressively detaches from the tape 19.
  • the sensor 35 detects the absence of the segment 2 in the transfer zone and a subsequent segment 2 is then feed into the transfer position itself advancing the tape 19 by one step by way of the head 21.
  • the machine 1 described is extremely simple from a constructional point of view and of undoubted efficiency and functional reliability.
  • the sharp deviation imparted to the support tape 19 assures always the partial detaching of the double-sided adhesive segment 2 from the tape 19 itself, while the presence of the curved surface 32 provides the operator with the necessary support to force the segment 2 against the forming body 4.
  • the machine 1 only in the absence of a segment 2 in the transfer position and, therefore, only after the adhesion of the segment 2 to the forming body 4, the machine 1 provides for positioning a successive segment 2 in the drawing area.
  • the constructive characteristics of the base 6 and the box-like body 7, allow to house the entire box-like body 7, the supporting arm 8 and the fixed transfer head 27 completely inside the base 6 by making easy and secure any displacement of the machine 1.
  • the machine 1 described can be subject to modifications and variants.
  • the abutment surface 32 may be of the type with rolling elements to reduce the friction components with the tape 19 and facilitate the tensioning control of the support tape 19 itself.

Landscapes

  • Replacement Of Web Rolls (AREA)
  • Adhesive Tape Dispensing Devices (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
EP12188913.3A 2011-10-17 2012-10-17 Machine pour la fabriquation et l'alimentation des pièces d'un matériau adhésif double face. Withdrawn EP2583576A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000928A ITTO20110928A1 (it) 2011-10-17 2011-10-17 Macchina per la formatura e l'alimentazione di spezzoni di materiale biadesivo

Publications (2)

Publication Number Publication Date
EP2583576A2 true EP2583576A2 (fr) 2013-04-24
EP2583576A3 EP2583576A3 (fr) 2013-07-17

Family

ID=45491725

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12188913.3A Withdrawn EP2583576A3 (fr) 2011-10-17 2012-10-17 Machine pour la fabriquation et l'alimentation des pièces d'un matériau adhésif double face.

Country Status (3)

Country Link
EP (1) EP2583576A3 (fr)
BR (1) BR102012026575A2 (fr)
IT (1) ITTO20110928A1 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3107376A (en) * 1963-03-18 1963-10-22 Bain Corp Apparatus for assembling an insole and last in aligned relation
US4389745A (en) * 1981-05-11 1983-06-28 International Shoe Machine Corporation Molding an insole and attaching the molded insole to a last bottom
IT1321003B1 (it) * 2000-05-03 2003-12-18 Mcm Srl Metodo per il bloccaggio amovibile di solette a corrispondenti formemediante fascetta di nastro adesivo e dispositivo che attua tale

Non-Patent Citations (1)

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

Also Published As

Publication number Publication date
ITTO20110928A1 (it) 2013-04-18
EP2583576A3 (fr) 2013-07-17
BR102012026575A2 (pt) 2016-11-22

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