EP1851112B1 - Filling nozzle - Google Patents

Filling nozzle Download PDF

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Publication number
EP1851112B1
EP1851112B1 EP06716937.5A EP06716937A EP1851112B1 EP 1851112 B1 EP1851112 B1 EP 1851112B1 EP 06716937 A EP06716937 A EP 06716937A EP 1851112 B1 EP1851112 B1 EP 1851112B1
Authority
EP
European Patent Office
Prior art keywords
duct
nozzle
filling
valve
filling nozzle
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
EP06716937.5A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1851112A1 (en
EP1851112A4 (en
Inventor
Hans SÖDERSTRÖM
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.)
Norden Machinery AB
Original Assignee
Norden Machinery AB
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 Norden Machinery AB filed Critical Norden Machinery AB
Priority to PL06716937T priority Critical patent/PL1851112T3/pl
Publication of EP1851112A1 publication Critical patent/EP1851112A1/en
Publication of EP1851112A4 publication Critical patent/EP1851112A4/en
Application granted granted Critical
Publication of EP1851112B1 publication Critical patent/EP1851112B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B39/00—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers
    • B65B39/001—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers with flow cut-off means, e.g. valves
    • B65B39/004—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers with flow cut-off means, e.g. valves moving linearly
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B3/04—Methods of, or means for, filling the material into the containers or receptacles
    • B65B3/16—Methods of, or means for, filling the material into the containers or receptacles for filling collapsible tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B39/00—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers
    • B65B2039/009—Multiple outlets

Definitions

  • the invention relates to a method for use in connection with the introduction of a viscous material into a container, for example a tube, and to a filling nozzle intended for use in the method.
  • the invention relates in particular to methods that make use of those nozzles which comprise more than one duct in order to be able to introduce at least two different types of substances into the same container, in such a way that a lasting pattern is formed by the different substances introduced into the container.
  • the invention also relates to a tube filling machine for performing the method, comprising a filling nozzle as described herein, and to the use of such a filling nozzle.
  • filling nozzles having multiple ducts for simultaneously introducing a plurality of substances into a tube or container are already known in the art.
  • One area in which the use of this type of filling nozzles is particularly common is that of toothpaste which is to be introduced into tubes.
  • a nozzle is described in US 6,418,986 , in which an inner, circular duct for the introduction of a first substance is surrounded by a second annular duct for the introduction of a second substance.
  • the ducts are arranged concentrically.
  • the nozzle may be coupled to a manifold pipe, which in turn may be coupled to containers for the required substances, for example white and red toothpaste. It is also described how, at its orifice, the nozzle is provided with a valve for shutting off the flow from the ducts.
  • the object of filling toothpaste tubes and such products which contain relatively highly viscous pastes and creams in this way is to create a lasting pattern formed from the different substances.
  • the product is introduced into the tube there are consequently two largely unmixed substances in the tube.
  • the tube will therefore contain two separate white and red substances, which will give a red-white striped paste when the toothpaste is squeezed out of the tube.
  • the valve usually comprises a valve cone located on a spindle inside the nozzle.
  • the valve is opened and closed by the spindle moving to and fro in the axial direction of the nozzle. It has conventionally been most common for the ducts in the nozzle to constitute sectors of the nozzle cross section. The spindle and its valve cone have been arranged at the centre of the cross section. When the coloured substances emerged from the separate ducts and ran together in the lower part of the nozzle, they continued to form sectors around the spindle and the valve cone. When the valve cone was closed, therefore, the substances were not mixed.
  • nozzles with one duct arranged inside another duct for example a pipe with one coloured substance at the centre of the nozzle surrounded by another pipe containing a substance of a different colour
  • a problem arose in the lower part of the nozzle.
  • the coloured substances emerge from the separate ducts they surround the spindle and the valve cone on all sides, the one substance nearest the centre of the nozzle and the other substance outside.
  • each part of the closing surface of the cone will cut off both the inner and the outer colour, with the result that the substances become mixed.
  • the first flow to emerge from the nozzle will be mixed.
  • turbulence occurs around the valve cone and the different substances will not come out evenly but will have a tendency to mix when they emerge from the nozzle.
  • the colour distribution over the flow cross-section emerging from the nozzle will therefore vary.
  • EP 1 207 108 discloses a nozzle for filling operations with two liquid and/or gas products.
  • the nozzle of EP 1 207 108 comprises two concentric valves, a first outer valve and a second inner valve.
  • the first opening of the first valve is opened and closed by moving an outer body relative to a fixed element of the nozzle, and the second opening of the second valve is opened and closed by moving a second element relative to the fixed element of the nozzle.
  • Some of the toothpaste that is pushed out of the nozzle may leave the nozzle, but all or some toothpaste will smear the nozzle.
  • the toothpaste that is left at the nozzle may fall of between the fillings of different tubes since the tube is moved between the filling operations. This may smudge the tubes or the filling machinery. Further, the toothpaste that is left will provide a start of the next filling that is smeared, such that the pattern formed is not according to specification.
  • the present invention has provided a method for the introduction of a highly viscous substance into a container using a filing nozzle of the type referred to in the introductory part, which substantially eliminates the problems that have been associated with such previously known methods.
  • the invention therefore relates to a method and a filling nozzle intended for filling a container with at least two types of substances. This is a common occurrence when introducing toothpaste of different colours into tubes. In order that the substances will retain a pattern when they have been introduced into the container, one requirement is that these must not run together.
  • the viscosity of at least one of the substances is not less than 10,000 cps (centipoises) or 10 PAs (Pascal seconds), preferably not less than 30,000 cps or 30 PAs and most preferably not less than 40,000 cps or 40 PAs, with the result that the highly viscous substance will retain its configuration when it has being introduced into the container.
  • highly viscous substances is here therefore intended to refer to substances having a viscosity in excess of 10,000 cps or 10 PAs at 20 degrees Celsius and normal atmospheric pressure.
  • the second or any further substances it is not necessary for the second or any further substances to have a similarly high viscosity, since they can be kept in place by being supported by the more high viscous substance(s). It is normally desirable, however, for the viscosity of the different substances to be approximately equal in order that they can be removed equally from the container, for example by squeezing a tube. If the difference in viscosity between the different substances forming the content of the tube is too great, there is a serious risk that those with a significantly lower viscosity will be squeezed or will run out first.
  • the filling nozzle is provided with at least two ducts, which extend in the longitudinal direction of the filling nozzle.
  • the ducts in the nozzle further comprise some type of coupling or connection to feed ducts, which are in turn connected to different stocks of each required substance.
  • the ducts which extend along the longitudinal axis of the nozzle open out at basically the same point at a remote outlet end of the nozzle.
  • the invention is further characterized in that the first duct is provided at its orifice with a first valve, intended to regulate the flow in the first duct, and that the second duct is provided at its orifice with a second valve intended to regulate the flow in the second duct. This design makes it possible to control the respective flow from each of the different ducts accurately and precisely. Locating the actual valve function at the orifice reduces the risk of an unwanted substance dripping or being entrained down into the container.
  • the different valves must preferably be separately controllable, that is to say at the orifice of the filling nozzle the different valves for each duct must be capable of being opened and closed independently of one another. There may be occasions, however, when it is desirable for the opening and closing of the different valves to be synchronized. If so, it may be feasible to mechanically link the different control devices for the different valves together and to control these by means of a common control command.
  • valves are controlled by means of so-called spindles. It is not essential to the actual idea of the invention, however, what type of valves or control devices are used, the use of spindles being only one of many possible detailed technical embodiments within the scope of the invention.
  • the first duct and the second duct are separated from one another over their extent in the filling nozzle, from their connections to respective feed ducts to their orifices at the remote end of the nozzle.
  • the flows of the different substances, which are to be introduced into the container are therefore separated all the way up to where the ducts open out close to the remote end of the nozzle.
  • the actual idea in providing the nozzle with different ducts is that the flows are separated until they leave the nozzle orifice and in this way are endowed with a desired pattern in the filled substance.
  • the first duct and the second duct in the filling nozzle are arranged concentrically about an axis in the longitudinal direction of the nozzle.
  • the nozzle may be provided with a first duct in the form of a circular pipe, which is surrounded and separated by a dividing wall from a second duct in the form of an annular duct.
  • the form of the ducts has here been specified as being circular or annular. These forms are advantageous partly with a view to the desired pattern, for example when introducing toothpaste of different colours into tubes, and partly in respect of the overall design of the nozzle and valves. It is possible, however, for the walls of the ducts to have other geometric shapes, for example rectangular or hexagonal, or to provide the orifices of the ducts with different geometric shapes in order to obtain a desired pattern in the substance introduced into the container.
  • first duct and the second duct concentrically in the nozzle. This is not essential to the invention, however, it being possible, if so desired, to use non-concentric arrangements in order to obtain special filling patterns, for example.
  • the valves arranged at the orifice may be of a number of different types and have different functions. According to one embodiment the valves may be largely designed to be adjustable only between a first position in which the valve is open, and a second position in which the valve is closed. In this case the quantities of the different substances from each duct, which are to be introduced into the containers, are basically controlled, for example, by controlling the flows in any of the inlet pipes coupled to the nozzle.
  • valves at the orifice of the filling nozzle are designed so that they can be set to be opened to different degrees.
  • the valves may either have a number of predefined positions, so that the degree of opening of the valves can only be adjusted in stages, or they may be continuously adjustable so that they are set to the desired, analogous position.
  • control of the flows can be regulated solely or predominantly through adjustment of the orifice valves.
  • the ducts have a circular cross-sectional shape, it being possible to use any other suitable shape, for example a square, triangular, polygonal, oval or other shape.
  • the invention also relates to a machine for filling containers such as tubes and dispensers comprising a filling nozzle according to the embodiments described above.
  • the filling machine according to the invention may advantageously be used for filling toothpaste tubes and pump-action dispensers for multicoloured toothpaste.
  • Other types of dispensers such as squeeze bottles and the like can also be used.
  • the substances filled may alternatively be different types of viscous cosmetic products, such as creams and lotions, or viscous foodstuffs such as jam or marmalade, sauces, pastes, caviar, soft cheese or the like.
  • the invention also relates to the use of a nozzle such as that described herein for introducing different types of viscous substances into the same container, at least one of the substances being a highly viscous substance, in such a way that a lasting pattern is formed by the different substances introduced into the container.
  • Fig: 1 shows a filling nozzle 1 according to one embodiment of the invention.
  • the filling nozzle 1 is shown in cross-section along the central axis of the nozzle 1 in the longitudinal direction thereof.
  • the nozzle 1 comprises a first, inner duct 2 and a second, outer duct 3. These ducts 2, 3 are annular and in the embodiment shown are arranged concentrically around the central axis of the filling nozzle 1.
  • the filling nozzle 1 further comprises an inner spindle 4, which is arranged in the first, inner duct 2 and constitutes an inner wall for the inner duct 2.
  • the filling nozzle 1 further comprises an outer spindle 5, which is arranged between the first, inner duct 2 and the second, outer duct 3 so that it constitutes an outer wall of the inner duct 2 and an inner wall of the outer duct 3. Outside the outer duct the filling nozzle 1 is provided with a casing 6, which constitutes an outer wall of the second, outer duct 3.
  • the top, or the remote end, of the inner spindle 4 is designed to function as a first, inner valve 7 and is geometrically designed to match the orifice 8 of the inner duct, in order to be able to restrict the flow in the inner duct 2.
  • the inner valve 7 can switch from an open position to a closed position through displacement of the inner spindle 4 relative to the outer spindle 5, which comprises the orifice 8 of the inner duct, along the central axis of the filling nozzle 1.
  • the top of the outer spindle 5 is designed to function as a second, outer valve 9 designed to match the orifice 10 of the outer duct, in order to be able to restrict the flow in the outer duct 2.
  • the outer valve 9 can be closed or opened through displacement of the outer spindle 5 relative to the casing 6, which comprises the orifice 10 of the outer duct, along the central axis of the filling nozzle 1.
  • the first, inner duct 2 of the filling nozzle 1 is further provided with a first connection 11, which can be coupled to a first feed duct for delivering a first substance, which is to be introduced into a container.
  • the second, outer duct 3 is provided with a second connection 12, which can be coupled to a second feed duct for delivering a second substance.
  • the inner duct 2 and the outer duct 3 are separated over their entire common length, from the connections 11, 12 to the orifices 8, 10 at the remote end 13 of the filling nozzle 1.
  • Fig. 2a-d shows an enlargement of the remote end 13 of the filling nozzle 1.
  • Fig. 2a shows how both the inner valve 7 and the outer valve 9 are in the open position. This is attained in that both the inner spindle 4 and the outer spindle 5 are displaced along the central axis of the nozzle 1 in the longitudinal direction thereof, in a direction opposed to the direction of flow of the substance when filling a container. In this way both the inner orifice 8 and the outer orifice 10 are left open and both of the substances can therefore flow and fill the container simultaneously.
  • Fig. 2b the position has changed compared to that in Fig. 2a in that the inner spindle 4 has been displaced along the central axis of the nozzle 1 in the longitudinal direction thereof in a direction parallel to the direction of flow of a substance when filling a container.
  • the orifice 8 of the inner duct is thereby closed and during filling a substance will only be introduced into the container through the outer duct 3.
  • Fig. 2c the position has changed compared to that in Fig. 2b in that the outer spindle 5 has been displaced along the central axis of the nozzle 1 in the longitudinal direction thereof in a direction parallel to the direction of flow of a substance when filling a container.
  • This will have produced two changes in the valve positions for both ducts 2, 3.
  • the outer spindle 5 constitutes the outer wall of the inner duct 2 and comprises the orifice 8 of the inner duct
  • the shift in the position of the outer spindle 5 will mean that the inner valve 7, which consists of the top of the inner spindle 4, is displaced relative to the inner opening, so that the inner duct 2 is opened.
  • the orifice 10 of the outer duct on the other hand will be closed by the displacement of the outer spindle 5, comprising the outer valve 9, so that only the substance from the inner duct 2 will fill the container.
  • Fig. 2d the position has changed compared to that in Fig. 2c in that the inner spindle 4 has been displaced along the central axis of the nozzle 1 in the longitudinal direction thereof in a direction parallel to the direction of flow of a substance when filling a container.
  • the orifice 10 of the inner duct is thereby also closed and no filling of a container can therefore take place.
  • a filling nozzle according to the invention described in Fig. 1 and 2 is only one example and must not be regarded as limiting alternative embodiments of the invention.
  • the outer spindle constitutes both a valve for the outer duct and an outer wall and orifice of the inner duct.
  • the valve arrangement is achieved either through a moveable spindle, which slides along the fixed wall, or through the use of another type of valve.
  • the examples shown here largely show only valve positions which are either open or closed.
  • Disclosure of invention it is possible, without departing from the scope of the idea of the invention, to control the valve positions so that the magnitude of the flows varies.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
  • Supply Of Fluid Materials To The Packaging Location (AREA)
  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
EP06716937.5A 2005-02-23 2006-02-23 Filling nozzle Active EP1851112B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL06716937T PL1851112T3 (pl) 2005-02-23 2006-02-23 Dysza napełniająca

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0500422 2005-02-23
PCT/SE2006/000247 WO2006091159A1 (en) 2005-02-23 2006-02-23 Filling nozzle

Publications (3)

Publication Number Publication Date
EP1851112A1 EP1851112A1 (en) 2007-11-07
EP1851112A4 EP1851112A4 (en) 2012-03-21
EP1851112B1 true EP1851112B1 (en) 2014-05-28

Family

ID=36927698

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06716937.5A Active EP1851112B1 (en) 2005-02-23 2006-02-23 Filling nozzle

Country Status (6)

Country Link
EP (1) EP1851112B1 (pt)
JP (1) JP4955578B2 (pt)
CN (1) CN100546878C (pt)
BR (1) BRPI0607471B1 (pt)
PL (1) PL1851112T3 (pt)
WO (1) WO2006091159A1 (pt)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMN20050057A1 (it) * 2005-09-20 2007-03-21 Weightpack Srl Macchina riempitrice di contenitori
GB2451251A (en) 2007-07-24 2009-01-28 Jens Termansen Fluid control arrangement
EP2279149B1 (de) * 2008-04-22 2013-07-17 KHS GmbH Verfahren sowie füllsystem zum füllen von flaschen oder dergleichen behältern mit einem flüssigen füllgut
DE102010006005A1 (de) * 2010-01-27 2011-07-28 Elopak Systems Ag Dosiervorrichtung und Dosierverfahren für Flüssigkeiten
JP5871084B2 (ja) 2014-05-27 2016-03-01 東洋製罐グループホールディングス株式会社 流動性内容物の充填方法
CN110664019A (zh) 2015-02-13 2020-01-10 方特慕控股第一私人有限公司 用于电子吸烟设备的填充系统
WO2017113161A1 (zh) 2015-12-30 2017-07-06 四川蓝光英诺生物科技股份有限公司 生物打印机喷头组件及生物打印机
CN105647804B (zh) * 2015-12-30 2018-11-23 四川蓝光英诺生物科技股份有限公司 生物打印机喷头组件及生物打印机
EP3398756B1 (en) 2015-12-30 2021-06-09 Revotek Co., Ltd Head assembly of biological printer and biological printer
CN105670917B (zh) * 2015-12-30 2018-01-19 四川蓝光英诺生物科技股份有限公司 生物打印机喷头组件及生物打印机
GB2569364B (en) 2017-12-15 2022-11-30 Elopak Gmbh Improved filling device
CN109987283B (zh) * 2017-12-29 2022-03-15 内蒙古蒙牛乳业（集团）股份有限公司 一种出料装置
IT202200003755A1 (it) * 2022-03-01 2023-09-01 Sasib Spa Apparato e metodo per dosare molassa all'interno di contenitori
DE102022203033B4 (de) * 2022-03-28 2024-03-28 Friedrich-Alexander-Universität Erlangen-Nürnberg, Körperschaft des öffentlichen Rechts Extrusionsvorrichtung, Verfahren zur Herstellung einer Hohlstruktur und Verwendung einer Extrusionsvorrichtung

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1676734A (en) * 1922-12-16 1928-07-10 Gilmont Products Corp Apparatus and method for filling collapsible tubes
GB962757A (en) * 1961-01-09 1964-07-01 County Lab Ltd Improvements in or relating to the filling of tubes
US3559700A (en) * 1969-01-21 1971-02-02 Big Drum Inc Method and apparatus for filling containers with multiple separate streams of viscous material
IT974494B (it) * 1972-12-06 1974-06-20 Colgate Palmolive Co Apparecchio e procedimento per il riempimento di contenitori a pareti cedevoli con una pluralita di materiali fluenti ad esempio paste dentifricie
GB2142611A (en) * 1983-06-28 1985-01-23 Unilever Plc Method and apparatus for filling a toothpaste tube
US5687779A (en) * 1992-09-17 1997-11-18 Tetra Laval Holdings & Finance S.A. Packaging machine system for filling primary and secondary products into a container
KR100281929B1 (ko) * 1993-12-22 2001-02-15 시아노 지오반니 복잡한 형상을 갖는 물품의 동시사출성형방법 및 장치
US5775386A (en) * 1996-06-13 1998-07-07 Colgate-Palmolive Company Apparatus and process for filling plural chamber container with flowable materials
US5829476A (en) * 1997-07-21 1998-11-03 Tetra Laval Holdings & Finance, Sa Dual-stream filling valve
EP0897864B1 (de) * 1997-08-18 2001-04-11 BENHIL GASTI Verpackungsmaschinen GmbH Vorrichtung und Verfahren zum dosierten Abfüllen von flüssigen bis pastösen Produkten
IT1320083B1 (it) * 2000-11-17 2003-11-18 Ocme Srl Ugello di riempimento di due prodotti liquidi e/o gassosi per macchineriempitrici.
SE523289C2 (sv) * 2001-12-11 2004-04-06 Norden Pac Dev Ab Tubfyllningsmaskin och förfaranden i en sådan

Also Published As

Publication number Publication date
JP2008531404A (ja) 2008-08-14
BRPI0607471B1 (pt) 2018-07-17
BRPI0607471A2 (pt) 2009-09-08
JP4955578B2 (ja) 2012-06-20
CN101107167A (zh) 2008-01-16
EP1851112A1 (en) 2007-11-07
WO2006091159A1 (en) 2006-08-31
PL1851112T3 (pl) 2014-12-31
EP1851112A4 (en) 2012-03-21
CN100546878C (zh) 2009-10-07

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