EP0025007B1 - Klebstoffaufträger und Verfahren zum Verbinden von Filtern mit Zigaretten und ähnliche Anwendungen - Google Patents
Klebstoffaufträger und Verfahren zum Verbinden von Filtern mit Zigaretten und ähnliche Anwendungen Download PDFInfo
- Publication number
- EP0025007B1 EP0025007B1 EP19800730059 EP80730059A EP0025007B1 EP 0025007 B1 EP0025007 B1 EP 0025007B1 EP 19800730059 EP19800730059 EP 19800730059 EP 80730059 A EP80730059 A EP 80730059A EP 0025007 B1 EP0025007 B1 EP 0025007B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- web
- adhesive
- orifices
- beads
- plane
- 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.)
- Expired
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
- 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
- B05C5/0291—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 the material being discharged on the work through discrete orifices as discrete droplets, beads or strips that coalesce on the work or are spread on the work so as to form a continuous coating
-
- 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
- B05C5/0254—Coating heads with slot-shaped outlet
-
- 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
Definitions
- the present invention relates to liquid adhesive applicators, being more particularly concerned with such applicators, and methods of using the same, for providing continuous adhesive coatings on items such as cigarette filter tip papers and the like, with the aid of multiple, small nozzles through which suitable adhesive materials are pumped simultaneously to generate a plurality of parallel fine beads of adhesive upon a continuous web of such papers or the like, with the invention providing for the controlled merging of such beads into a required full, uniform and continuous coating, with control of the degree of merging when desired.
- a fluid adhesive applicator having, in combination, a plurality of fine-orifice closely spaced nozzles disposed in a plane extending transversely of a predetermined region; pumping means for simultaneously supplying the nozzles with the fluid adhesive; means for drawing a web of material-to-be-coated longitudinally through said predetermined region on juxtaposition to the orifices of said nozzles simultaneously to receive therefrom a corresponding plurality of closely spaced beads of adhesive upon the web and extending transversely across said web; edge means formed by a recess extending inward from said plane and web a short distance longitudinally beyond said orifices; and means for directing the drawing of said web to shear the web against said edge means at an acute angle to said plane.
- the object of the invention consists of providing a new and improved adhesive applicator of the multi-nozzle type, and method of operating the same, to effect continuous coating for such applications as cigarette-to-filter adhesion.
- the advantage of this invention consists of providing such a novel applicator and method with positive control over the degree of merger of the multiple beads of adhesive extruded from the plurality of adjacent nozzle orifices. Preferred operating steps and controls, and best mode constructional details are hereinafter presented.
- Fig. 1 is a combined schematic and isometric view of a preferred embodiment of the invention, shown applied to the illustrative application of adhesive layers upon cigarette filter tipping paper and the like.
- Fig. 2 is a view, upon an expanded scale, partly longitudinally sectionalized, of the nozzle extruding and shearing section A of Fig. 1;
- Fig. 3 is a view similar to Fig. 2 of a modified nozzle extruding and shearing section A'.
- fluid adhesive from a reservoir R is fed along a supply line 1 into a positive displacement gear metering pump 3, driven synchronously by a direct machine drive, schematically illustrated at 5, which also drives the paper or other web 5, such as the exemplary cigarette filter tipping paper web.
- Suitable metering pumps of this character are described in said Letters Patent and elsewhere, and include for example the Acumeter (Newton Lower Falls, Massachusetts) Models 1 BUP2, 1 BUP4 and 1 BUP24 of the assignee of the present invention. The latter model will pump 0.6cc per 1/2 revolution input per nozzle discharge.
- Appropriate cold adhesives for normal cigarette filter tipping applications and the like are polyvinyl acetate resin emulsions,- such as HR Fuller No.
- the metering pump 3 therefor is shown applying the fluid to a novel dispensing head 7, having a transverse line of a plurality of relatively small coplanar nozzle discharge or extrusion orifices 7' through which the adhesive is simultaneously extruded as a corresponding plurality of beads in response to the metered pumping.
- the return line from the pump 3 to the reservoir R is shown at 1'.
- the transverse line of orifices 7' is each preceded by a converging extrusion nozzle section 7" within the head 7, is oriented substantially parallel or at a slight angle to the paper or other web 5, drawn longitudinally upwardly past the same between web support bars 9.
- the bars 9 may be adjustable, as illustrated, to retract at machine shut-down to bring the web away from the nozzle head 7.
- the extrusion head or nozzle 7 is provided within a short distance beyond the plane of the orifices 7' upward in the direction of web travel, say within 0,8 mm or so, with an L-shaped recess 11 defining a shearing edge 11' over which the juxtaposed web 5 is drawn under tension at an acute angle "a" with respect to the direction of the web travel at the predetermined region of the orifice 7' in order to effect a positively directed shearing action upon the transverse line of adhesive beads 2, Fig. 2, extruded upon the web 5 at the orifices 7'.
- the coated web 5 continues over roll 13 to and over a vacuum drum 15 where the coated paper is cut into sections, schematically shown at 5', by a rotary knife cylinder 17.
- the cut sections 5' of coated paper which are to serve as the filter tip paper, are carried down to an adjacent cigarette-carrying drum 19 such that the cut filter paper section 5' will wrap around the two butted filters F and F' of the double cigarettes 4-4', the same being slit at 6 by an intermediate cutting knife 21 to provide a severed pair of cigarettes, as described in our US-A-4,090,520 and as is well-known, each having filter tip paper applied to its filter and secured thereto by the adhesive coatings of the invention.
- the plurality of transversely aligned orifices 7' may be separated into two groups so that the coating C comprises two spaced coated portions, with the spacing centrally disposed to align with the cutter 21.
- line speeds of the order of 80 meters per minute have been obtained with two sets of adjacent nozzle orifices 7', a dozen orifices in each set and each of the order of 2 mm orifice diameter, spaced about 2 mm apart, and with tension over the shearing edge 11', at an acute angle a of about 25 degrees, of the order of 0,36 kg per cm of web width, using cigarette filter paper of the simulated cork paper type, about 0.05 mm thick.
- the family of polyvinyl acetate adhesives used have an approximate elongation ratio of 1000 to 2000%, thus permitting the spreading of the adhesive to a very finite and controlled coating film thickness.
- a further feature of this invention resides in the obviating of the problem of adjusting the adhesive properties to enable a desired compromise between tack and adhesion in view of the very different properties of the dissimilar material multi-elements of the cigarette and, for example, the acetate adhesive.
- the invention enables any adhesive property variation to be effected for any desired result in view of the inherent nature of the extrusion and shearing process thereof.
Landscapes
- Manufacturing Of Cigar And Cigarette Tobacco (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Coating Apparatus (AREA)
Claims (8)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US6997279A | 1979-08-27 | 1979-08-27 | |
US69972 | 1979-08-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0025007A1 EP0025007A1 (de) | 1981-03-11 |
EP0025007B1 true EP0025007B1 (de) | 1982-11-03 |
Family
ID=22092337
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19800730059 Expired EP0025007B1 (de) | 1979-08-27 | 1980-08-25 | Klebstoffaufträger und Verfahren zum Verbinden von Filtern mit Zigaretten und ähnliche Anwendungen |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0025007B1 (de) |
JP (1) | JPS6034909B2 (de) |
DE (1) | DE3061039D1 (de) |
GB (1) | GB2057304B (de) |
HK (1) | HK25786A (de) |
SG (1) | SG79485G (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4035091A1 (de) * | 1990-11-05 | 1992-05-07 | Pagendarm Gmbh | Auftragsvorrichtung |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58104666A (ja) * | 1981-12-16 | 1983-06-22 | Fuji Photo Film Co Ltd | 塗布装置 |
JPS58202075A (ja) * | 1982-05-19 | 1983-11-25 | Konishiroku Photo Ind Co Ltd | 塗布方法 |
JPS6276010U (de) * | 1985-10-31 | 1987-05-15 | ||
US4746545A (en) * | 1985-12-16 | 1988-05-24 | Acumeter Laboratories, Inc. | Fluid coating and web-handling method and apparatus particularly adapted for low-tension and/or unevenly thick webs |
FI105533B (fi) * | 1992-10-26 | 2000-09-15 | Valmet Paper Machinery Inc | Suihkupäällystyslaitteisto ja -menetelmä |
CA2133266A1 (en) * | 1993-10-29 | 1995-04-30 | Hans-Jurgen Meissner | Slot coating die configuration |
EP0926749A3 (de) * | 1997-11-18 | 2001-02-28 | Matsushita Electric Industrial Co., Ltd. | Beschichtungsvorrichtung und Beschichtungsverfahren |
CN103774501A (zh) * | 2014-01-22 | 2014-05-07 | 陈毕峰 | 一种烟用烫金水松纸及其制作工艺 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1305023A (de) * | 1969-06-03 | 1973-01-31 | ||
GB1373032A (en) * | 1971-02-09 | 1974-11-06 | Molins Ltd | Methods and apparatus for the manufacture of mouth-piece cigarettes |
FR2206663A5 (en) * | 1972-11-14 | 1974-06-07 | Extel Corp | Ventilated filter-tip for cigarettes - for reducing harmful prods by dilution of smoke |
GB1497661A (en) * | 1974-11-02 | 1978-01-12 | Molins Ltd | Devices for applying adhesives to a moving web |
-
1980
- 1980-07-16 GB GB8023216A patent/GB2057304B/en not_active Expired
- 1980-08-20 JP JP11463880A patent/JPS6034909B2/ja not_active Expired
- 1980-08-25 DE DE8080730059T patent/DE3061039D1/de not_active Expired
- 1980-08-25 EP EP19800730059 patent/EP0025007B1/de not_active Expired
-
1985
- 1985-10-24 SG SG79485A patent/SG79485G/en unknown
-
1986
- 1986-04-10 HK HK25786A patent/HK25786A/xx unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4035091A1 (de) * | 1990-11-05 | 1992-05-07 | Pagendarm Gmbh | Auftragsvorrichtung |
Also Published As
Publication number | Publication date |
---|---|
HK25786A (en) | 1986-04-18 |
JPS6034909B2 (ja) | 1985-08-12 |
DE3061039D1 (en) | 1982-12-09 |
JPS5637067A (en) | 1981-04-10 |
SG79485G (en) | 1988-05-20 |
EP0025007A1 (de) | 1981-03-11 |
GB2057304B (en) | 1983-09-07 |
GB2057304A (en) | 1981-04-01 |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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