EP2162236B1 - Glue spreading apparatus - Google Patents

Glue spreading apparatus Download PDF

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Publication number
EP2162236B1
EP2162236B1 EP08751048A EP08751048A EP2162236B1 EP 2162236 B1 EP2162236 B1 EP 2162236B1 EP 08751048 A EP08751048 A EP 08751048A EP 08751048 A EP08751048 A EP 08751048A EP 2162236 B1 EP2162236 B1 EP 2162236B1
Authority
EP
European Patent Office
Prior art keywords
glue
roller
dosaging
containment tank
collection chamber
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.)
Active
Application number
EP08751048A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2162236A2 (en
Inventor
Mauro Sandon
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.)
Fravol Export Srl
Original Assignee
Fravol Export 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 Fravol Export Srl filed Critical Fravol Export Srl
Publication of EP2162236A2 publication Critical patent/EP2162236A2/en
Application granted granted Critical
Publication of EP2162236B1 publication Critical patent/EP2162236B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
    • B05C11/1039—Recovery of excess liquid or other fluent material; Controlling means therefor
    • 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
    • B05C1/006—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 the edges of essentially flat articles
    • 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
    • B05C1/10—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 liquid or other fluent material being supplied from inside the roller
    • 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
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
    • B05C11/1042—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material provided with means for heating or cooling the liquid or other fluent material in the supplying means upstream of the applying apparatus

Definitions

  • the present finding concerns a glue spreading apparatus on tapes to allow their subsequent application on the edges of panels.
  • the apparatus in question can be mounted preferably on the bench of a dedicated machine with manual forward movement of the panels or else it can be arranged inside a line for the flanging of panels equipped with many work groups arranged in series with one another and also comprising, for example, in addition to the present apparatus, butting, milling, grinding, trimming and other groups.
  • the tape is applied to the peripheral edge of each panel through the interposition of a layer of glue that the apparatus picks up from a containment tank and then spreads through a roller onto the tape whilst the latter passes through the apparatus to then compress the same tape on the edge of the panel.
  • the glue is of the thermofusible type (EVA) having a reversible reaction with heat, or else of the polyurethane type, having an irreversible reaction with heat and therefore particularly suitable for panels intended to be arranged close to heat sources or that require a particular seal against water.
  • EVA thermofusible type
  • polyurethane type having an irreversible reaction with heat
  • the spreading apparatus requires planned operation stops that, for example, normally last for the break for the weekend.
  • the tank must also preferably be practical and easy to disassemble in order to allow all of the areas where the glue can get stuck to be quickly reached.
  • cleaning materials in particular wax, are advantageously introduced instead of the glue, which by mixing with the glue avoid contact with air of the leftover film that remains on the walls.
  • a first drawback consists of the fact that when the work cycle recommences it is necessary to completely expel the mixture of glue and wax waiting for the roller to expel all of the glue provided with wax residue that would not allow the tape to stick well onto the edge of the panel.
  • a further drawback consists of the fact that polyurethane glue is rather expensive and therefore, although there is generally only a minimal layer of glue in the tank when production is suspended, it is clear that especially in the case of frequent suspensions, a large amount of glue mixed with wax is thrown away.
  • a known solution of spreading apparatus foresees the storage of polyurethane glue inside a tank in inert atmosphere, in particular in nitrogen.
  • Document DE 20203827 U discloses a glue spreading apparatus having a downward tapered vessel and a separated supplying duct that are both connected to a collection chamber (20) by a common passage way.
  • the collection chamber (20) is placed below the vessel and supplies a dosaging roller with the glue.
  • the glue can be unloaded from the vessel by an aperture obtained in the collection chamber (20).
  • the problem forming the basis of the present invention is to avoid the drawbacks of already known solutions by providing a glue spreading apparatus that can be easily cleaned without dismounting the apparatus.
  • Another purpose of the present finding is to provide an apparatus that is constructively simple and operatively totally reliable.
  • the apparatus 1 in question can be arranged on in-line machines for the edging of panels as gluing group arranged in series with other work groups or else preferably it can be associated with a dedicated machine (indicated with A in figures 1 and 2 ) for gluing edges to panels with manual advancing of the panels.
  • the machine A is provided with a support framework rested on the floor equipped with a work surface 3 on which the apparatus 1 according to the invention is mounted in turn provided with a support structure 2.
  • a containment tank 4 for containing the glue is mounted on the work surface 3 .
  • Such a containment tank 4 is capable of receiving both polyurethane glue, in particular in cartridge form and thermofusible glue (for example EVA) in particular in the form of grains or beads.
  • polyurethane glue in particular in cartridge form
  • thermofusible glue for example EVA
  • the containment tank has associated heating means of the glue to transform it to fluid state, per sé known, preferably consisting of electrical resistances not illustrated in the figures.
  • the containment tank 4 feeds, preferably through an Archimedean screw, a head 5 for the distribution of the glue suitable for spreading it on a tape (or on a panel) through a dosaging roller 6 rotating in contact with the same tape.
  • a paddle 7 is foreseen that is thrusted elastically to press the tape against the roller 6.
  • the containment tank 4 and the distribution head 5 of the glue are made from highly viscous material, in particular consisting of aluminium covered with teflon.
  • the dosaging roller 6 is made to rotate by a motor through transmission means preferably comprising a transmission shaft rotatably supported by bearings and suitable for transmitting motion to the dosaging roller 6 receiving it through a cardan joint from an actuation shaft connected to the motor.
  • transmission means preferably comprising a transmission shaft rotatably supported by bearings and suitable for transmitting motion to the dosaging roller 6 receiving it through a cardan joint from an actuation shaft connected to the motor.
  • the support structure 2 of the apparatus is made so as to allow simple and easy disassembly of the containment tank 4 of the glue for replacement with another different size or functional characteristic for example connected to the type of glue.
  • a return duct 8 is foreseen suitable for making the glue that has arrived in excess in a collection chamber (20) delimited by the dosaging roller go back into the containment tank 4 through the effect of the rotation of said dosaging roller.
  • the distribution head 5 comprises a circulation valve 9 placed in interference with the return duct 8, which is able to be moved between a first open position, which in normal operating conditions allows the glue to go back into the containment tank 4 transferring the excess from the collection chamber (20), and a first closed position that prevents the glue from going back into the containment tank 4 determining an overpressure upstream of the same circulation valve 9.
  • An expulsion valve 10 is also foreseen, placed in interference with the return duct 8 upstream of the circulation valve 9 and able to be moved between a second closed position, which with the circulation valve 9 in the first open position allows the inflow of glue from the collection chamber (20) to the containment tank 4 through the circulation valve 9, and a second open position, which with the circulation valve 9 in closed position determines the outflow of the glue through an expulsion channel 11 placed in communication with the return duct 8.
  • the circulation valve 9 and the expulsion valve 10 are replaced by a three-way valve (not illustrated) that selectively places the collection chamber (20) in communication with the containment tank 4 through the aforementioned return duct 9 and with the aforementioned expulsion channel 11.
  • the latter ends with an outlet mouth 12 preferably arranged on the outer side 13 of the glue distribution head 5, opposite the inner side 14 where the dosaging roller 6 is arranged to distribute the glue.
  • the circulation valve 9 and the expulsion valve 10 are inserted to intercept the return duct through seats formed on the upper face of the distribution head.
  • the glue that comes out from the outlet mouth 12 can be easily collected in a suitable container.

Landscapes

  • Coating Apparatus (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Manufacturing Of Electric Cables (AREA)
  • Paints Or Removers (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Treatment Of Fiber Materials (AREA)
EP08751048A 2007-05-25 2008-05-21 Glue spreading apparatus Active EP2162236B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITPD20070184 ITPD20070184A1 (it) 2007-05-25 2007-05-25 Apparecchiatura per la spalmatura di colla
PCT/IB2008/001345 WO2008146140A2 (en) 2007-05-25 2008-05-21 Glue spreading apparatus

Publications (2)

Publication Number Publication Date
EP2162236A2 EP2162236A2 (en) 2010-03-17
EP2162236B1 true EP2162236B1 (en) 2012-11-14

Family

ID=39880528

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08751048A Active EP2162236B1 (en) 2007-05-25 2008-05-21 Glue spreading apparatus

Country Status (3)

Country Link
EP (1) EP2162236B1 (it)
IT (1) ITPD20070184A1 (it)
WO (1) WO2008146140A2 (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108237047A (zh) * 2018-02-10 2018-07-03 振德医疗用品股份有限公司 一种透气医用敷料的涂胶装置及其方法
CN109403598B (zh) * 2018-11-01 2024-04-02 广西建工集团第五建筑工程有限责任公司 一种工程施工用高效刮涂液体头及其高效刮涂液体系统
CN209663642U (zh) * 2019-01-31 2019-11-22 南京苏上涂胶技术有限公司 一种防流挂加热胶枪
CN114705619B (zh) * 2022-03-23 2023-05-16 嘉兴市玖琳新材料科技有限公司 一种双抗双硅透明离型膜质量检测装置及其检测方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3246891A1 (de) * 1982-12-17 1984-06-20 Mefro Metallwarenfabrik Fischbacher GmbH, 8201 Rohrdorf Vorrichtung zum fetten mindestens einer einer verformung ausgesetzten materialbahn
DE19508757A1 (de) * 1995-03-10 1996-09-12 Hefter Georg Maschb Dosiervorrichtung
JP3744574B2 (ja) * 1995-10-20 2006-02-15 Ｔｄｋ株式会社 間欠塗布方法
JPH09192584A (ja) * 1996-01-17 1997-07-29 Fuji Heavy Ind Ltd ローラ式塗布装置
JPH11156270A (ja) * 1997-11-27 1999-06-15 Asahi Chem Ind Co Ltd 塗工装置
DE20203827U1 (de) * 2001-03-19 2002-07-25 Paul Ott Gmbh, Lambach Leimbecken für Kantenleimmaschinen sowie Vorratsbehälter hierfür
WO2004030829A1 (de) * 2002-09-13 2004-04-15 Windmöller & Hölscher Kg Vorrichtung zur bildung eines leimprofils für kreuzbodensäcke
JP2004216365A (ja) * 2002-12-27 2004-08-05 Honda Motor Co Ltd 保護層形成材の塗布システム、被塗布物、剥離性保護層及び被塗布物の表面保護方法
DE102004057896B4 (de) * 2004-12-01 2008-06-19 Dca Deckert Anlagenbau Gmbh Verfahren und Vorrichtung zur Restentleerung für eine Fassschmelzvorrichtung
ITMO20060263A1 (it) 2006-08-28 2008-02-29 Scm Group Spa Apparato distributore di colla

Also Published As

Publication number Publication date
EP2162236A2 (en) 2010-03-17
WO2008146140A3 (en) 2009-01-29
WO2008146140A2 (en) 2008-12-04
ITPD20070184A1 (it) 2008-11-26

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