EP0601436A1 - Sealing element for guiding the testing fluid - Google Patents

Sealing element for guiding the testing fluid Download PDF

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Publication number
EP0601436A1
EP0601436A1 EP93119244A EP93119244A EP0601436A1 EP 0601436 A1 EP0601436 A1 EP 0601436A1 EP 93119244 A EP93119244 A EP 93119244A EP 93119244 A EP93119244 A EP 93119244A EP 0601436 A1 EP0601436 A1 EP 0601436A1
Authority
EP
European Patent Office
Prior art keywords
sealing element
test air
articles
test
air
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.)
Granted
Application number
EP93119244A
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German (de)
French (fr)
Other versions
EP0601436B1 (en
Inventor
Franz-Peter Koch
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.)
Koerber Technologies GmbH
Original Assignee
Hauni Maschinenbau GmbH
Koerber 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
Application filed by Hauni Maschinenbau GmbH, Koerber AG filed Critical Hauni Maschinenbau GmbH
Publication of EP0601436A1 publication Critical patent/EP0601436A1/en
Application granted granted Critical
Publication of EP0601436B1 publication Critical patent/EP0601436B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/32—Separating, ordering, counting or examining cigarettes; Regulating the feeding of tobacco according to rod or cigarette condition
    • A24C5/34—Examining cigarettes or the rod, e.g. for regulating the feeding of tobacco; Removing defective cigarettes
    • A24C5/3418—Examining cigarettes or the rod, e.g. for regulating the feeding of tobacco; Removing defective cigarettes by pneumatic means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S131/00—Tobacco
    • Y10S131/904—Pneumatic means for sensing condition or characteristic
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S131/00—Tobacco
    • Y10S131/906—Sensing condition or characteristic of continuous tobacco rod

Definitions

  • the invention relates to a sealing element for guiding test air to or from rod-shaped articles of the tobacco processing industry, which has a contact surface for the end faces of the articles provided with a passage for the test air and through which test air flows essentially parallel to the axes of the articles.
  • the problem underlying the invention is to improve the air flow within the sealing element.
  • the sealing element has a flow path for the test air, on which the test air flows with a radial component.
  • An advantageous embodiment of the invention is that at least the contact surface made of rubber or rubber-elastic material, for. B. elastic plastic, silicone or the like.
  • An advantageous embodiment of the sealing element according to the invention is characterized by a cylindrical configuration, so that the sealing air flows through the test air parallel to the longitudinal axis and transversely thereto.
  • a deflection surface is provided for deflecting the axially flowing test air into a flow with a radial component.
  • the flow can radial component in the sealing element from the inside to the outside. In this case, the flow path of the test air after the deflection surface will advantageously have an inward component.
  • test air flows through the axial and radial guide in such a way that it conveys the tobacco crumbs out of the sealing element before disruptive amounts can build up.
  • an air duct without "dead corners" that is, an air duct through such narrowly delimited channels that the air flowing through these channels does not allow deposits of tobacco crumbs in the slipstream of the flow, the invention, of which the details are described below using an exemplary embodiment .
  • the sealing element 1 sits on a hollow support 3 made of metal or plastic. It has a cylindrical outer surface 4, which ends in a narrow and thus elastically flexible contact surface 6 for the end face 7 of the cigarette 2.
  • Sealing elements of the type described above have essentially become known from US Pat. No. 3,948,084, including their installation in test devices (test drums) and their mode of operation when testing cigarettes.
  • the sealing element 1 can also be used to conduct test air from the article 8, for example out of the cigarette. According to the invention, it can also be used for such test tasks in which an overpressure or underpressure is generated inside the article, a pneumatic signal which is dependent on the condition of the wrapping of the article being generated as a measurement signal.

Landscapes

  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)
  • Electrostatic Separation (AREA)

Abstract

The invention relates to a sealing element for guiding test air to or from rod-shaped articles of the tobacco-processing industry, which has a contact surface for end sides of the articles, provided with a passage for the test air, and is flowed through by test air essentially parallel to the axes of the articles. The fundamental problem consists in improved air guidance inside the sealing element. According to the invention, the problem is solved by the sealing element (1) having a flow path for the test air, on which the test air flows with a radial component (14a, 14b). With the test air being guided according to the invention, the risk of obstructions as a result of crumbs of tobacco which have been left behind is reduced. <IMAGE>

Description

Die Erfindung betrifft ein Dichtelement zum Leiten von Prüfluft zu oder von stabförmigen Artikeln der tabakverarbeitenden Industrie, das eine mit einem Durchlaß für die Prüfluft versehene Anlagefläche für Stirnseiten der Artikel aufweist und im wesentlichen parallel zu den Achsen der Artikel von Prüfluft durchströmt ist.The invention relates to a sealing element for guiding test air to or from rod-shaped articles of the tobacco processing industry, which has a contact surface for the end faces of the articles provided with a passage for the test air and through which test air flows essentially parallel to the axes of the articles.

Bei Dichtelementen der vorgenannten Art, die im Prinzip durch die US-PS 3 948 084 bekannt sind, kann die Gefahr bestehen, daß Tabakkrümel in dem Raum vor dem Auslaß liegenbleiben und sich zu einer Menge ansammeln können, die die Prüfluftströmung behindern oder ganz unterbinden kann.With sealing elements of the aforementioned type, which are known in principle from US Pat. No. 3,948,084, there can be a risk that tobacco crumbs remain in the space in front of the outlet and can accumulate in an amount which can obstruct or completely prevent the test air flow .

Das der Erfindung zugrundeliegende Problem besteht darin, die Luftführung innerhalb des Dichtelementes zu verbessern.The problem underlying the invention is to improve the air flow within the sealing element.

Gemäß der Erfindung wird dies dadurch erreicht, daß das Dichtelement einen Strömungsweg für die Prüfluft aufweist, auf dem die Prüfluft mit einer radialen Komponente strömt.According to the invention, this is achieved in that the sealing element has a flow path for the test air, on which the test air flows with a radial component.

Eine vorteilhafte Ausgestaltung der Erfindung besteht darin, daß zumindest die Anlagefläche aus Gummi oder gummielastischem Material, z. B. elastischem Kunststoff, Silikon oder dgl., besteht. Eine vorteilhafte Ausführungsform des Dichtelements gemäß der Erfindung ist gekennzeichnet durch eine zylindrische Ausbildung, so daß das Dichtelement von der Prüfluft parallel zur Längsachse und quer dazu durchströmt ist. Gemäß einer Weiterbildung der Erfindung ist eine Umlenkfläche zum Umlenken der axial strömenden Prüfluft in eine Strömung mit radialer Komponente vorgesehen. In weiterer Ausgestaltung der Erfindung kann die Strömung mit radialer Komponente im Dichtelement von innen nach außen gerichtet sein. In diesem Fall wird der Strömungsweg der Prüfluft nach der Umlenkfläche vorteilhaft eine Komponente nach innen aufweisen.An advantageous embodiment of the invention is that at least the contact surface made of rubber or rubber-elastic material, for. B. elastic plastic, silicone or the like. An advantageous embodiment of the sealing element according to the invention is characterized by a cylindrical configuration, so that the sealing air flows through the test air parallel to the longitudinal axis and transversely thereto. According to a development of the invention, a deflection surface is provided for deflecting the axially flowing test air into a flow with a radial component. In a further embodiment of the invention, the flow can radial component in the sealing element from the inside to the outside. In this case, the flow path of the test air after the deflection surface will advantageously have an inward component.

Der mit der Erfindung verbundene Vorteil besteht darin, daß die Prüfluft durch die axiale und radiale Führung derart strömt, daß sie die Tabakkrümel aus dem Dichtelement herausfördert, bevor sich störende Mengen aufbauen können. In dem Gedanken einer Luftführung ohne "tote Ecken", also einer Luftführung durch so eng begrenzte Kanäle, daß die diese Kanäle voll durchströmende Luft keine Ablagerungen von Tabakkrümeln im Windschatten der Strömung zulassen, besteht die Erfindung, von der Einzelheiten anhand eines Ausführungsbeispiels nachfolgend beschrieben werden.The advantage associated with the invention is that the test air flows through the axial and radial guide in such a way that it conveys the tobacco crumbs out of the sealing element before disruptive amounts can build up. In the idea of an air duct without "dead corners", that is, an air duct through such narrowly delimited channels that the air flowing through these channels does not allow deposits of tobacco crumbs in the slipstream of the flow, the invention, of which the details are described below using an exemplary embodiment .

Ein im Längsschnitt und in stark vergrößertem Maßstab dargestelltes Dichtelement 1 aus Gummi oder gummielastischem Material, wie elastischem Kunststoff, Silikon oder dgl., dient zum Leiten von Prüfluft zu einem stabförmigen Artikel 2 der tabakverarbeitenden Industrie, z. B. einer Zigarette. Das Dichtelement 1 sitzt auf einem hohlen Träger 3 aus Metall oder Kunststoff. Es hat eine zylindrische Außenfläche 4, die in eine schmale und damit elastisch nachgiebige Anlagefläche 6 für die Stirnseite 7 der Zigarette 2 ausläuft. In der Mitte befindet sich ein Durchlaß 8, durch den Prüfluft 14 aus einem Innenkanal 9 des Trägers 3, in dem sie in Richtung der Achse (Pfeil 11) strömt, in den zu prüfenden Artikel 2 gelangt. Dichtelemente der vorbeschriebenen Art sind im wesentlichen durch die US-PS 3 948 084 bekanntgeworden, einschließlich ihres Einbaues in Prüfvorrichtungen (Prüftrommeln) und ihrer Wirkungsweise beim Prüfen von Zigaretten.A sealing element 1 made of rubber or rubber-elastic material, such as elastic plastic, silicone or the like, shown in longitudinal section and on a greatly enlarged scale, is used to conduct test air to a rod-shaped article 2 of the tobacco processing industry, e.g. B. a cigarette. The sealing element 1 sits on a hollow support 3 made of metal or plastic. It has a cylindrical outer surface 4, which ends in a narrow and thus elastically flexible contact surface 6 for the end face 7 of the cigarette 2. In the middle there is a passage 8 through which the test air 14 enters the article 2 to be tested from an inner channel 9 of the carrier 3, in which it flows in the direction of the axis (arrow 11). Sealing elements of the type described above have essentially become known from US Pat. No. 3,948,084, including their installation in test devices (test drums) and their mode of operation when testing cigarettes.

Bei den bekannten Dichtelementen der eingangs genannten Art können sich in dem Raum 12 zwischen dem Innenkanal 9 und dem Durchlaß 8 Tabakkrümel absetzen, die ein Verstopfen des Dichtelementes zur Folge haben können.
Hiergegen ist eine Fläche 13 zum Umlenken des Luftstroms 14 der Prüfluft vorgesehen, die der Strömung der Luft eine radiale Komponente 14a nach außen verleiht. Nach dem Umströmen der Umlenkfläche 13 fließt die Strömung 14b der Luft mit einer radialen Komponente 14b nach innen und zu dem Durchlaß 8, von dem aus sie in die Zigarette 2 gelangt.
Durch die Luftführung gemaß der Erfindung werden Tabakkrümel, die sich ohne die Erfindung in Eckenbereichen zu störenden Mengen aufbauen könnten, stets mitgerissen. Dieser Effekt wird durch Wirbelbildungen der Luft noch verstärkt, wodurch die Gefahr von Verstopfungen vermindert wird.In the known sealing elements of the type mentioned, tobacco crumbs can settle in the space 12 between the inner channel 9 and the passage 8, which can result in the sealing element becoming blocked.
In contrast, a surface 13 is provided for deflecting the air flow 14 of the test air, which gives the flow of the air a radial component 14a to the outside. After the flow around the deflection surface 13, the flow 14b of the air flows inwards with a radial component 14b and to the passage 8, from which it reaches the cigarette 2.
Due to the air flow according to the invention, tobacco crumbs, which could build up in the corner areas without the invention, are always entrained. This effect is intensified by the formation of eddies in the air, which reduces the risk of blockages.

Das Dichtelement 1 kann gemäß der Erfindung auch zum Leiten von Prüfluft von dem Artikel 8, also zum Beispiel aus der Zigarette heraus, dienen.
Es ist gemäß der Erfindung auch einsetzbar für solche Prüfaufgeben, bei denen im Innern der Artikel ein Über- oder Unterdruck erzeugt wird, wobei ein vom Zustand der Umhüllung des Artikels abhängiges pneumatisches Signal als Meßsignal erzeugt wird.According to the invention, the sealing element 1 can also be used to conduct test air from the article 8, for example out of the cigarette.
According to the invention, it can also be used for such test tasks in which an overpressure or underpressure is generated inside the article, a pneumatic signal which is dependent on the condition of the wrapping of the article being generated as a measurement signal.

Claims (6)

Dichtelement zum Leiten von Prüfluft zu oder von stabförmigen Artikeln der tabakverarbeitenden Industrie, das eine mit einem Durchlaß für die Prüfluft versehene Anlagefläche für Stirnseiten der Artikel aufweist und im wesentlichen parallel zu den Achsen der Artikel von Prüfluft durchströmt ist, dadurch gekennzeichnet, daß das Dichtelement (1) einen Strömungsweg für die Prüftluft aufweist, auf dem die Prüfluft mit einer radialen Komponente (14a, 14b) strömt.Sealing element for guiding test air to or from rod-shaped articles of the tobacco processing industry, which has a contact surface for the end faces of the articles provided with a passage for the test air and through which test air flows essentially parallel to the axes of the articles, characterized in that the sealing element ( 1) has a flow path for the test air, on which the test air flows with a radial component (14a, 14b). Dichtelement nach Anspruch 1, dadurch gekennzeichnet, daß zumindest die Anlagefläche (4) aus Gummi oder gummielastischem Material, z. B. elastischen Kunststoff, Silikon oder dgl., besteht.Sealing element according to claim 1, characterized in that at least the contact surface (4) made of rubber or rubber-elastic material, for. B. elastic plastic, silicone or the like. Dichtelement nach Anspruch 1 und/oder 2, gekennzeichnet durch eine zylindrische Ausbildung des Dichtelements (1), das von der Prüfluft parallel zur Längsachse (11) und quer dazu (14a, 14b) durchströmt ist.Sealing element according to claim 1 and / or 2, characterized by a cylindrical configuration of the sealing element (1) through which the test air flows parallel to the longitudinal axis (11) and transversely thereto (14a, 14b). Dichtelement nach einem oder mehreren der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß eine Umlenkfläche (13) zum Umlenken der axial strömenden Prüfluft (14) und eine Strömung (14a, 14b) mit radialer Komponete vorgesehen ist.Sealing element according to one or more of the preceding claims, characterized in that a deflection surface (13) for deflecting the axially flowing test air (14) and a flow (14a, 14b) with radial component is provided. Dichtelement nach Anspruch 4, dadurch gekennzeichnet, daß die Strömung (14a) mit radialer Komponente im Dichtelement (1) von innen nach außen gerichtet ist.Sealing element according to claim 4, characterized in that the flow (14a) with radial component in the sealing element (1) is directed from the inside to the outside. Dichtelement nach Anspruch 4 und/oder 5, dadurch gekennzeichnet, daß der Strömungsweg der Prüfluft nach der Umlenkfläche (13) eine Komponente (14b) nach innen aufweist.Sealing element according to claim 4 and / or 5, characterized in that the flow path of the test air after the deflecting surface (13) has a component (14b) inwards.
EP93119244A 1992-12-11 1993-11-30 Sealing element for guiding the testing fluid Expired - Lifetime EP0601436B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4241796 1992-12-11
DE4241796A DE4241796A1 (en) 1992-12-11 1992-12-11 Sealing element for conducting test air

Publications (2)

Publication Number Publication Date
EP0601436A1 true EP0601436A1 (en) 1994-06-15
EP0601436B1 EP0601436B1 (en) 1997-03-12

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EP93119244A Expired - Lifetime EP0601436B1 (en) 1992-12-11 1993-11-30 Sealing element for guiding the testing fluid

Country Status (6)

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US (1) US5369986A (en)
EP (1) EP0601436B1 (en)
JP (1) JPH06277032A (en)
CN (1) CN1036829C (en)
DE (2) DE4241796A1 (en)
ES (1) ES2100432T3 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3190132B2 (en) * 1992-08-24 2001-07-23 日本たばこ産業株式会社 Air distribution device for rod-shaped articles
GB9300798D0 (en) * 1993-01-16 1993-03-10 Molins Plc Cigarette testing device
US6038790A (en) * 1998-02-26 2000-03-21 Nine West Group, Inc. Flexible sole with cushioned ball and/or heel regions
US10412993B2 (en) 2017-07-12 2019-09-17 Altria Client Services Llc Cigar holder assembly for a smoke machine

Citations (2)

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US3948084A (en) * 1973-05-12 1976-04-06 Hauni-Werke Korber & Co. Kg Apparatus for testing cigarettes or the like
DE3534453A1 (en) * 1985-09-27 1987-04-02 Hauni Werke Koerber & Co Kg CIRCULAR SEAL FOR TESTING ROD-SHAPED ITEMS OF THE TOBACCO PROCESSING INDUSTRY

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GB1016502A (en) * 1961-08-03 1966-01-12 Kurt Koerber Method and apparatus for detecting and rejecting substandard rod-like articles such as cigarettes
GB1069421A (en) * 1963-02-08 1967-05-17 Kurt Koerber Apparatus for manipulating cigarettes or other airpermeable rod-like articles
GB1114290A (en) * 1965-01-23 1968-05-22 Hauni Werke Koerber & Co Kg Improvements in or relating to apparatus for testing cigarettes and other rod-like articles
DE2150186A1 (en) * 1971-10-08 1973-04-12 Hauni Werke Koerber & Co Kg DEVICE FOR CHECKING CIGARETTES OR SIMILAR ROD-SHAPED OBJECTS LYING IN THE RECEPTIONS OF A CONVEYOR
DE2317295C2 (en) * 1973-04-06 1986-01-02 Hauni-Werke Körber & Co KG, 2050 Hamburg Method and device for testing the wrapping material of transversely axially conveyed rod-shaped articles
US3948048A (en) * 1975-04-21 1976-04-06 Lawrence Peska Associates, Inc. Coaxial cylindrical fluid drive
US4171635A (en) * 1978-10-30 1979-10-23 Liggett Group Inc. Apparatus for measuring smoke dilution in a vented-filter cigarette
IT1211129B (en) * 1980-11-03 1989-09-29 Hauni Werke Koerber & Co Kg DEVICE FOR THE CONTROL OF STICK-SHAPED ITEMS OF THE TOBACCO PROCESSING INDUSTRY GIACENTI IN THE RECIPES OF A CONVEYOR.
US4528841A (en) * 1983-02-16 1985-07-16 Hauni-Werke Korber & Co. Kg Apparatus for testing cigarettes and the like
US4630466A (en) * 1983-10-08 1986-12-23 Hauni-Werke Korber & Co. Kg. Apparatus for testing rod-shaped articles of the tobacco processing industry
IT1228200B (en) * 1988-01-28 1991-06-05 Hauni Werke Koerber & Co Kg PROCEDURE AND DEVICE FOR DEFINING THE DEGREE OF VENTILATION OF STICK ARTICLES OF THE TOBACCO PROCESSING INDUSTRY.

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3948084A (en) * 1973-05-12 1976-04-06 Hauni-Werke Korber & Co. Kg Apparatus for testing cigarettes or the like
DE3534453A1 (en) * 1985-09-27 1987-04-02 Hauni Werke Koerber & Co Kg CIRCULAR SEAL FOR TESTING ROD-SHAPED ITEMS OF THE TOBACCO PROCESSING INDUSTRY

Also Published As

Publication number Publication date
DE4241796A1 (en) 1994-06-16
US5369986A (en) 1994-12-06
CN1036829C (en) 1997-12-31
ES2100432T3 (en) 1997-06-16
CN1093555A (en) 1994-10-19
EP0601436B1 (en) 1997-03-12
DE59305744D1 (en) 1997-04-17
JPH06277032A (en) 1994-10-04

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