EP0862951A1 - Dispositif de gommage - Google Patents
Dispositif de gommage Download PDFInfo
- Publication number
- EP0862951A1 EP0862951A1 EP98102692A EP98102692A EP0862951A1 EP 0862951 A1 EP0862951 A1 EP 0862951A1 EP 98102692 A EP98102692 A EP 98102692A EP 98102692 A EP98102692 A EP 98102692A EP 0862951 A1 EP0862951 A1 EP 0862951A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- glue
- chamber
- gumming
- roller
- generating line
- 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- Withdrawn
Links
Images
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
- 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
- B05C1/0839—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 work being unsupported at the line of contact between the coating roller and the work
-
- 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
- B05C1/0813—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 characterised by means for supplying liquid or other fluent material to 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
- 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
- B05C1/086—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 a pool of coating material being formed between a roller, e.g. a dosing roller and an element cooperating therewith
- B05C1/0865—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 a pool of coating material being formed between a roller, e.g. a dosing roller and an element cooperating therewith the cooperating element being a roller, e.g. a coating 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
- 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
- B05C1/16—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 only at particular parts of the work
- B05C1/165—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 only at particular parts of the work using a roller or other rotating member which contacts the work along a generating line
Definitions
- This invention relates to a gumming device, and in particular to a gumming device for applying glue to sheet material.
- the invention can be advantageously used, for example, to apply glue to a continuous web of paper material in sheet form used to form connection bands between filters and relative cigarette stems.
- the main causes of degradation of said characteristics are the partial exposure of a significant glue quantity to the air with consequent partial deterioration of the glue, and the prolonged stagnation of the glue in regions in which the glue undergoes excessive working.
- GB-A-919740 describes a gumming device in which a gumming roller and a dispensing roller, arranged parallel to each other and maintained in mutual contact along a common generating line by a presser device, receive glue from a container positioned above the two rollers, and which lowerly comprises an aperture closed in a substantially sealed manner by the two rollers themselves.
- the glue leaves the container along said common generating line, so that a quantity determined by the action of the dispensing roller spreads over the surface of the gumming roller.
- said gumming device has however the drawback that the gumming roller is fed with glue which has remained for a more or less lengthy time within the region above the two rollers, whereas it would be preferable to feed the gumming roller always with fresh glue to ensure more constant and homogeneous glue characteristics.
- the object of the present invention is to provide a gumming device which eliminates the drawbacks described with reference to the known art.
- the present invention provides a gumming device for applying glue to a continuous web of sheet material, the device comprising a gumming roller having a substantially cylindrical lateral surface arranged to transfer a determined glue quantity to the continuous web; a dispensing roller having a substantially cylindrical lateral surface and positioned parallel to the gumming roller and tangential to the gumming roller along a generating line parallel to the two rollers; thrust means for ensuring a determined contact pressure between the two rollers along said common generating line; and means for feeding glue to said rollers, said feed means comprising a closure element cooperating with said lateral surfaces to define a chamber having a substantially triangular cross-section with a vertex lying on the common generating line in a position facing the closure element; characterised in that said chamber forms part of a closed glue flow circuit, said closed circuit forming part of said feed means.
- the reference numeral 1 indicates overall a gumming device for applying glue 2 to a continuous web of sheet material intended, in the illustrated case, for forming connection bands (not shown) between filters (not shown) and relative cigarette stems (not shown) in a filter fitting machine (not shown).
- the device 1 comprises a gumming roller 4 arranged to apply a measured quantity of glue 2 to the web 3 at a gumming station 5; a dispensing roller 6 arranged to cooperate with the gumming roller 4 to dispense the quantity of glue 2 to be applied to the web 3; and a device 7 for feeding glue 2 to the two rollers 4 and 6.
- the gumming roller 4 is bounded externally by a cylindrical lateral surface 8 substantially tangential to the web 3 at the station 5, and is supported by a central shaft 9 coaxial to a horizontal axis 10, to rotate in an anticlockwise direction in Figure 1 about the axis 10, relative to a fixed fork 11 under the thrust of an actuator device, not shown.
- the dispensing roller 6 is provided with a substantially cylindrical outer surface 12 comprising depressed regions 13, and is keyed on a central shaft 14 coaxial to a substantially horizontal axis 15 parallel to the axis 10, with which the axis 15 defines a substantially horizontal plane.
- the shaft 14 is linked to the shaft 9 to cause the roller 6 to rotate about the axis 15 in a clockwise direction in Figure 1 and with a peripheral speed equal to that of the roller 4, and is rotatably supported by a fork 16 connected to a fixed frame 17 to oscillate relative to the frame 17 about an axis 18 parallel to the axes 10 and 15 under the thrust of an actuator 19 defining, with the fork 16, a thrust device 20 arranged to bring the surfaces 8 and 12 into mutual contact with a determined contact pressure along a common generating line 21 parallel to the axes 10 and 15.
- an arm 22 which is transverse to the axes 10 and 15 and is hinged at one end to a fixed bracket 23 rigid with the frame 17, to oscillate relative to the bracket 23 about an axis 24 parallel to the axes 10 and 15.
- the arm 22 carries a rigidly connected head 25 arranged above the rollers 4 and 6 and lowerly comprising a recess 26.
- the arm 22 is arranged to oscillate about the axis 24 away from and towards a lowered position, in which the recess partially receives the rollers 4 and 6 and the surface of the recess 26 makes fluid-tight contact with the surfaces 8 and 12 of the rollers 4 and 6 and with the end surfaces of the rollers 4 and 6 to define, together with portions of the surfaces 8 and 12 located above the generating line 21, a substantially fluid-tight chamber 27.
- the chamber 27 is of substantially triangular cross-section with a lower vertex lying on the generating line 21.
- the feed device 7 comprises a delivery conduit 28 provided along the head 25 above the recess 26 and parallel to the axes 10 and 15, a return conduit 29 provided along the head 25 below and parallel to the conduit 28 and through the recess 26, a curved conduit 30 connecting together the conduits 28 and 29, and two tubular end connectors 31 and 32 by which the conduits 28 and 29 are connected to a fluid-tight container 33 for the glue 2.
- the conduit 29 traverses the chamber 27 to define, together with the chamber 27 itself, with the conduits 28 and 30, with the connectors 31 and 32 and with the container 33, a closed circuit 34 through which the glue 2 is circulated at a pressure determined by a pump 35 positioned along the connector 31.
- the thrust device 20 is operated to bring the surfaces 8 and 12 of the rollers 4 and 6 into tight mutual contact along the common generating line 21, and the head 25 is arranged in its lowered position to define the chamber 27 and hence form the circuit 34 through which the pump 35 then circulates the glue 2 at a determined pressure.
- the thrust device 20 limits the outflow of glue 2 to only that part of the glue 2 adhering to the depressed regions 13.
- the roller 4 then transports the glue 2 withdrawn from the chamber 27 to the gumming station 5, where the glue 2 is transferred to the web 3.
Landscapes
- Confectionery (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Telephone Function (AREA)
- Package Closures (AREA)
- Manufacturing Of Cigar And Cigarette Tobacco (AREA)
- Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITBO970123 | 1997-03-06 | ||
IT97BO000123A IT1291240B1 (it) | 1997-03-06 | 1997-03-06 | Dispositivo gommatore. |
Publications (1)
Publication Number | Publication Date |
---|---|
EP0862951A1 true EP0862951A1 (fr) | 1998-09-09 |
Family
ID=11342055
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98102692A Withdrawn EP0862951A1 (fr) | 1997-03-06 | 1998-02-17 | Dispositif de gommage |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0862951A1 (fr) |
CN (1) | CN1193554A (fr) |
BR (1) | BR9806693A (fr) |
IT (1) | IT1291240B1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2110181A3 (fr) * | 2008-04-17 | 2010-03-31 | Hauni Maschinenbau AG | Encollage de bandes de matériau de l'industrie de traitement du tabac |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2912959A (en) * | 1955-06-09 | 1959-11-17 | American Envelope Company | Adhesive applying device |
GB919740A (en) | 1960-11-07 | 1963-02-27 | Tom Rowlands | Improvements in apparatus for applying adhesive |
FR2084196A5 (fr) * | 1970-03-04 | 1971-12-17 | Friz Adolf Gmbh | |
GB2067436A (en) * | 1979-12-11 | 1981-07-30 | Molins Ltd | Gummer for cigarette filter attachment machines |
US5355799A (en) * | 1992-01-03 | 1994-10-18 | Nolle Gmbh | Applicator device for viscous materials |
EP0736329A2 (fr) * | 1995-04-07 | 1996-10-09 | Ltg Lufttechnische Gmbh | Dispositif pour déposer un film de revêtement sur le rouleau enducteur d'une machine d'enduction |
-
1997
- 1997-03-06 IT IT97BO000123A patent/IT1291240B1/it active IP Right Grant
-
1998
- 1998-02-17 EP EP98102692A patent/EP0862951A1/fr not_active Withdrawn
- 1998-03-05 CN CN98106028A patent/CN1193554A/zh active Pending
- 1998-03-06 BR BR9806693-5A patent/BR9806693A/pt unknown
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2912959A (en) * | 1955-06-09 | 1959-11-17 | American Envelope Company | Adhesive applying device |
GB919740A (en) | 1960-11-07 | 1963-02-27 | Tom Rowlands | Improvements in apparatus for applying adhesive |
FR2084196A5 (fr) * | 1970-03-04 | 1971-12-17 | Friz Adolf Gmbh | |
GB2067436A (en) * | 1979-12-11 | 1981-07-30 | Molins Ltd | Gummer for cigarette filter attachment machines |
US5355799A (en) * | 1992-01-03 | 1994-10-18 | Nolle Gmbh | Applicator device for viscous materials |
EP0736329A2 (fr) * | 1995-04-07 | 1996-10-09 | Ltg Lufttechnische Gmbh | Dispositif pour déposer un film de revêtement sur le rouleau enducteur d'une machine d'enduction |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2110181A3 (fr) * | 2008-04-17 | 2010-03-31 | Hauni Maschinenbau AG | Encollage de bandes de matériau de l'industrie de traitement du tabac |
Also Published As
Publication number | Publication date |
---|---|
IT1291240B1 (it) | 1998-12-30 |
CN1193554A (zh) | 1998-09-23 |
BR9806693A (pt) | 2000-08-29 |
ITBO970123A1 (it) | 1998-09-06 |
ITBO970123A0 (it) | 1997-03-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): DE GB IT |
|
AX | Request for extension of the european patent |
Free format text: AL;LT;LV;MK;RO;SI |
|
17P | Request for examination filed |
Effective date: 19981023 |
|
AKX | Designation fees paid |
Free format text: DE GB IT |
|
RBV | Designated contracting states (corrected) |
Designated state(s): DE GB IT |
|
17Q | First examination report despatched |
Effective date: 20010613 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20011227 |