EP2248598B2 - Dispositif doté de plusieurs buses d'air sec et procédé de distribution de colle - Google Patents

Dispositif doté de plusieurs buses d'air sec et procédé de distribution de colle Download PDF

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Publication number
EP2248598B2
EP2248598B2 EP09159657.7A EP09159657A EP2248598B2 EP 2248598 B2 EP2248598 B2 EP 2248598B2 EP 09159657 A EP09159657 A EP 09159657A EP 2248598 B2 EP2248598 B2 EP 2248598B2
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EP
European Patent Office
Prior art keywords
adhesive
nozzle
gas
operating mode
moisture
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
EP09159657.7A
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German (de)
English (en)
Other versions
EP2248598A1 (fr
EP2248598B1 (fr
Inventor
Beatus Michael Ineichen
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.)
Robatech AG
Original Assignee
Robatech AG
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=41119292&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2248598(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Robatech AG filed Critical Robatech AG
Priority to EP09159657.7A priority Critical patent/EP2248598B2/fr
Priority to PCT/EP2010/055989 priority patent/WO2010128019A1/fr
Publication of EP2248598A1 publication Critical patent/EP2248598A1/fr
Application granted granted Critical
Publication of EP2248598B1 publication Critical patent/EP2248598B1/fr
Publication of EP2248598B2 publication Critical patent/EP2248598B2/fr
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    • 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
    • B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
    • B05C5/027—Coating heads with several outlets, e.g. aligned transversally to the moving direction of a web to be coated
    • B05C5/0275—Coating heads with several outlets, e.g. aligned transversally to the moving direction of a web to be coated flow controlled, e.g. by a valve
    • B05C5/0279—Coating heads with several outlets, e.g. aligned transversally to the moving direction of a web to be coated flow controlled, e.g. by a valve independently, e.g. individually, flow controlled
    • 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
    • B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
    • B05C5/0225—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work characterised by flow controlling means, e.g. valves, located proximate the outlet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/06—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane
    • B05B7/062—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane with only one liquid outlet and at least one gas outlet
    • B05B7/066—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane with only one liquid outlet and at least one gas outlet with an inner liquid outlet surrounded by at least one annular gas outlet

Claims (12)

  1. Dispositif (10) comprenant plusieurs ouvertures de buse (11.1 - 11.4) et plusieurs alimentations de colle (12, 15) commutables, lesquelles peuvent être actionnées dans un premier mode ou un deuxième mode de fonctionnement, dans lequel, dans le premier mode de fonctionnement, de la colle durcissant à l'humidité (K) étant délivrée par toutes les ouvertures de buse (11.1 - 11.4) et, dans le deuxième mode de fonctionnement, la colle durcissant à l'humidité (K) n'étant délivrée que par un nombre réduit d'ouvertures de buse (11.1 -11.2), dans lequel :
    - chaque ouverture de buse (11.1 - 11.4) étant formée sur ou dans un boîtier (13.1 - 13.4) dans lequel il y a un canal de colle (15) pour amener la colle durcissant à l'humidité (K) à l'ouverture de buse (11.1 - 11.4),
    - il est agencé une chambre d'écoulement (16) dans la zone de l'ouverture de buse (11.1 - 11.4),
    - une alimentation de gaz (17) est reliée à la chambre d'écoulement (16),
    - le dispositif (10) présente une ouverture de sortie (14.1 - 14.4) dans la zone de l'ouverture de buse (11.1 - 11.4) qui est agencée de telle manière que lors de l'amenée du gaz sec (G) par l'alimentation de gaz (17) dans la chambre d'écoulement (16), et lors de l'amenée de la colle durcissant à l'humidité (K) à travers le canal de colle (K) jusqu'à l'ouverture de buse (11.1 - 11.4), la colle durcissant à l'humidité (K) et le gaz sec (G) peuvent traverser en même temps l'ouverture de sortie (14.1 - 14.4),
    caractérisé en ce que le dispositif (10) comprend une source de gaz (20) qui est conçue pour approvisionner et amener en permanence pendant le fonctionnement du dispositif (10) un volume de gaz sec de façon à ce que toutes les ouvertures de buse (11.1 - 11.4), aussi bien dans le premier mode de fonctionnement que dans le deuxième mode de fonctionnement, soient constamment approvisionnées en gaz sec (G) par l'alimentation de gaz (17), un sécheur réfrigérant à air comprimé ou un sécheur à membranes étant utilisé comme source de gaz.
  2. Dispositif (10) selon la revendication 1, caractérisé en ce que la chambre d'écoulement (16) et l'ouverture de sortie (14.1 - 14.4) sont agencées de telle façon par rapport à l'ouverture de buse (11.1 - 11.4) que le gaz sec (G) forme une enveloppe de gaz tout autour de la colle durcissant à l'humidité (K).
  3. Dispositif (10) selon l'une des revendications 1 à 2, caractérisé en ce que l'ensemble des ouvertures de buse (11.1 - 11.4), aussi bien dans le premier mode de fonctionnement que dans le deuxième mode de fonctionnement, peuvent être alimentées en permanence en gaz sec (G) par l'alimentation en gaz (17).
  4. Dispositif (10) selon l'une des revendications précédentes, caractérisé en ce que la chambre d'écoulement (16) est formée par un boîtier de type chapeau (22).
  5. Dispositif (10) selon l'une des revendications précédentes, caractérisé en ce qu'il comprend, par ouverture de buse (11.1 - 11.4), une soupape haute pression, à pointeau ou à piston.
  6. Dispositif (10) selon la revendication 5, caractérisé en ce qu'il comprend une chambre de protection (40) à l'arrière de la soupape à pointeau ou à piston, laquelle entoure hermétiquement un pointeau ou un piston (19) de la soupape à pointeau ou à piston.
  7. Dispositif (10) selon la revendication 6, caractérisé en ce que la chambre de protection (40) est remplie d'un liquide ou d'air sec faisant office de fluide de protection (SM).
  8. Procédé de distribution à plusieurs lignes ou bandes de colle (KR) agencées parallèlement de colle durcissant à l'humidité (K) via plusieurs ouvertures de buse (11.1 - 11.4) sur un matériau (M), comprenant les étapes consistant à :
    - approvisionner en gaz sec (G),
    - apporter le gaz sec (G) dans des chambres d'écoulement individuelles (16) agencées dans la zone de chaque ouverture de buse (11.1 - 11.4),
    - choisir un premier mode de fonctionnement ou un deuxième mode de fonctionnement, dans le premier mode de fonctionnement la colle durcissant à l'humidité (K) étant distribuée par toutes les ouvertures de buse (11.1 - 11.4), et dans le deuxième mode de fonctionnement la colle durcissant à l'humidité (K) étant distribuée uniquement par un nombre réduit d'ouvertures de buse (11.1 - 11.2),
    - apporter la colle durcissant à l'humidité (K) dans des chambres de buse (18) pouvant être allumées ou éteintes individuellement,
    o la colle durcissant à l'humidité (K) sortant sous la forme de lignes ou bandes de colle (KR) des différentes ouvertures de buse (11.1 - 11.4) qui sont allumées selon le choix du mode de fonctionnement,
    o le gaz sec (G) formant autour des lignes ou bandes de colles (KR) une enveloppe de gaz, et
    o du gaz sec (G) s'écoulant également des ouvertures de buse (11.1 - 11.4) éteintes.
  9. Procédé selon la revendication 8, caractérisé en ce qu'une partie ou la totalité des ouvertures de buse (11.1 - 11.4) sont immergées dans un liquide dans le cas ou une partie ou la totalité des ouvertures de buse (11.1 - 11.4) ne sont pas en fonctionnement.
  10. Procédé selon la revendication 9, caractérisé en ce qu'une source de gaz (20) distribue par ouverture de buse (11.n) entre 1 et 1,5 litre normalisé par minute.
  11. Procédé selon l'une des revendications 8, 9 ou 10, caractérisé en ce que les lignes ou bandes de colle (KR), après être sorties des ouvertures de buse (11.1 - 11.4), ont une vitesse de jet supérieure à 4 m/s, de préférence comprise entre 4 m/s et 12 m/s.
  12. Procédé selon la revendication 8, caractérisé en ce qu'il est utilisé des soupapes haute pression, à pointeau ou à piston qui fonctionnent avec une pression interne supérieure à 30 bar, de préférence dans une plage comprise entre 35 bar et 100 bar.
EP09159657.7A 2009-05-07 2009-05-07 Dispositif doté de plusieurs buses d'air sec et procédé de distribution de colle Active EP2248598B2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP09159657.7A EP2248598B2 (fr) 2009-05-07 2009-05-07 Dispositif doté de plusieurs buses d'air sec et procédé de distribution de colle
PCT/EP2010/055989 WO2010128019A1 (fr) 2009-05-07 2010-05-03 Dispositif comprenant plusieurs buses à air sec et procédé pour émettre un adhésif

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09159657.7A EP2248598B2 (fr) 2009-05-07 2009-05-07 Dispositif doté de plusieurs buses d'air sec et procédé de distribution de colle

Publications (3)

Publication Number Publication Date
EP2248598A1 EP2248598A1 (fr) 2010-11-10
EP2248598B1 EP2248598B1 (fr) 2012-11-14
EP2248598B2 true EP2248598B2 (fr) 2016-06-08

Family

ID=41119292

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09159657.7A Active EP2248598B2 (fr) 2009-05-07 2009-05-07 Dispositif doté de plusieurs buses d'air sec et procédé de distribution de colle

Country Status (2)

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EP (1) EP2248598B2 (fr)
WO (1) WO2010128019A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX2014012688A (es) 2013-11-29 2015-05-28 Müller Martini Holding AG Un metodo para aplicar una sustancia fluida.
DE102016014092A1 (de) * 2016-11-28 2018-05-30 Illinois Tool Works, Inc. Verfahren zum Schützen einer Klebstoff-Abgabevorrichtung und selbige
DE102017100861A1 (de) 2017-01-18 2018-07-19 HELLA GmbH & Co. KGaA Vorrichtung zur vorrübergehenden Ruhestellung einer Einrichtung für den Klebstoffauftrag
US20220323989A1 (en) * 2020-09-08 2022-10-13 Denso Ten Limited Application device and application method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK157833C (da) * 1988-03-01 1991-04-29 Dansk Transfertryk Fremgangsmaade til laminering af tekstiler
US5145689A (en) 1990-10-17 1992-09-08 Exxon Chemical Patents Inc. Meltblowing die
IE940697A1 (en) * 1994-09-06 1996-03-06 Loctite Ireland Ltd Applicator for liquids such as adhesives
DE4446027A1 (de) * 1994-12-23 1996-07-04 Henkel Kgaa Formteile aus PU-Schmelzklebstoffen
US5618566A (en) * 1995-04-26 1997-04-08 Exxon Chemical Patents, Inc. Modular meltblowing die
US6220843B1 (en) * 1998-03-13 2001-04-24 Nordson Corporation Segmented die for applying hot melt adhesives or other polymer melts

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Publication number Publication date
WO2010128019A1 (fr) 2010-11-11
EP2248598A1 (fr) 2010-11-10
EP2248598B1 (fr) 2012-11-14

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