EP0481250B1 - Cartouche destinée à être introduite dans un distributeur - Google Patents

Cartouche destinée à être introduite dans un distributeur Download PDF

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Publication number
EP0481250B1
EP0481250B1 EP91116219A EP91116219A EP0481250B1 EP 0481250 B1 EP0481250 B1 EP 0481250B1 EP 91116219 A EP91116219 A EP 91116219A EP 91116219 A EP91116219 A EP 91116219A EP 0481250 B1 EP0481250 B1 EP 0481250B1
Authority
EP
European Patent Office
Prior art keywords
cartridge
fingers
plastic bag
dispenser
particular according
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 - Lifetime
Application number
EP91116219A
Other languages
German (de)
English (en)
Other versions
EP0481250A1 (fr
Inventor
Alfred Von Schuckmann
Thomas Bornstedt
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.)
Pohl GmbH and Co KG
Original Assignee
Pohl GmbH and Co KG
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 Pohl GmbH and Co KG filed Critical Pohl GmbH and Co KG
Priority to AT91116219T priority Critical patent/ATE85955T1/de
Publication of EP0481250A1 publication Critical patent/EP0481250A1/fr
Application granted granted Critical
Publication of EP0481250B1 publication Critical patent/EP0481250B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/0005—Containers or packages provided with a piston or with a movable bottom or partition having approximately the same section as the container
    • B65D83/0033—Containers or packages provided with a piston or with a movable bottom or partition having approximately the same section as the container the piston being a follower-piston and the dispensing means comprising a hand-operated pressure-device at the opposite part of the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D35/00—Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor
    • B65D35/02—Body construction

Definitions

  • the invention relates to a cartridge designed in the form of a plastic bag which is at least sealed at the bottom by a weld seam, according to the preamble of claim 1.
  • thin-walled hose material is used to create a plastic sack, which is cut to the appropriate length. One end is welded to form the bottom of the sack, while the other end is assigned a discharge opening.
  • the outer surface of the cartridge protrudes horns, which make it difficult to insert the filled cartridge into the dispenser. If the latter is designed in such a way that the cartridge has to be moved to remove the pasty mass, this leads to increased friction on the inner wall of the cartridge.
  • This toothed strips which are used to move a piston acting on the cartridge base, this can even lead to the destruction of the plastic bag combined with the inoperability of the dispenser.
  • the object of the invention is based on the design of a cartridge of the type in question in a technically simple manner so that, in addition to easy insertion of the cartridge, a maximum Cartridge volume is present and that, in addition, no significant friction is exerted on the inner wall of the dispenser by the cartridge wall when the dispenser is actuated.
  • the cartridge designed as a plastic bag
  • a dispenser actuation can be carried out with accompanying displacement of the cartridge without any significant friction.
  • the inner wall of the dispenser should form a toothing for a piston which is on the bottom side Area of the cartridge.
  • the plastic sack is formed by folding a plastic strip and welding it, it proves to be advantageous to provide the corresponding longitudinal weld seam on the center line between the fingers. Accordingly, there is no unfavorable wall stiffening extending in the area of the fingers, which would impair the folding in of the corresponding finger.
  • the plastic bag is closed at the end opposite the floor by a welded head piece. This contains both the dispensing opening and the actuating pressure surface adjacent to it. When the dispenser is actuated, the head piece experiences the longitudinal displacement in the dispenser housing via the actuation pressure surface, which inevitably leads to the portioned dispensing of the pasty mass.
  • An optimal design of the spacing space is achieved in that the mutually facing edge edges of the same run diverging and trapezoidal to the baseline.
  • Numeral 1 designates a dispenser which serves to dispense a pasty mass M which is contained in a cartridge 2 designed in the form of a plastic bag. After the cartridge 2 formed from plastic film has been emptied and removed, a new cartridge can be inserted into the dispenser 1. The relevant assignment takes place from the upper end of the dispenser 1 designed as a standing device.
  • the components of the dispenser 1 include a tubular dispenser housing 3 with an insert 4 incorporated therein. The latter is inserted from above and closes on the underside at most at the same level with a front end of the dispenser housing 3 which forms a setting edge 5.
  • the upper front end of the dispenser housing 3 is protruded radially and axially by a section of the insert 4 forming a slewing ring 6.
  • the axial projection of the slewing ring 6 corresponds approximately to the dimension of a finger's width.
  • the turntable 6 forms fingers arranged at equal angles, each of which has an inwardly directed latching lug 7 at its free end.
  • These overlap a guide collar 8 of a mouthpiece 9 which accommodates the upper end 11 of the cartridge 2 or the plastic bag, which has a head piece 10, in a form-fitting manner.
  • the mouthpiece 9 guided in the turntable 6 or dispenser housing 3 continues upwards into a spout 12 which rises to the side and which is connected to the dispensing opening 13 of the head piece 10.
  • the pasty mass is dispensed via the discharge opening 13 and spout 12 by means of a pressure plate 14, which is part of a transport device T which can be shifted gradually from the bottom area of the dispenser 1 in the dispensing direction x.
  • this includes an upper abutment plate 15 and a lower abutment plate 16, as well as a few rack strips 17, 18 of the insert 4, which rack strips 17, 18 - viewed in cross section - over approximately 90 ° with adaptation to the curvature of the tubular Extend dispenser housing 3.
  • On the rack bars 17, 18, two diametrically opposite each other are supported Latching tongues 19, 20 of the abutment plates 15, 16 such that the transport unit T can only be moved in the direction of the arrow x.
  • the teeth of the rack bars 17, 18 have a sawtooth structure.
  • the rack strips 17, 18 are connected to one another via an end ring 21 of the insert 4.
  • a central, axially aligned bushing 22 extends from the upper abutment plate 15 and passes through the lower abutment plate 16.
  • lifting fingers 23 articulated, the inwardly projecting arms of which are located in the effective area of a plunger 24 which is axially limited displaceably guided in the sleeve 22 and which in turn is a component of the pressure base 14 which is integrally formed on the material.
  • the two abutment plates 15, 16 are under the action of an expansion spring extending between them.
  • the two abutment plates 15, 16 are axially spaced from one another by approximately three full tooth gap distances. However, the distance could also be larger or smaller.
  • the mouthpiece 9 By exerting a compressive force in the direction of arrow P, the mouthpiece 9 is moved against the direction of arrow x, taking the headpiece 10 and the cartridge 2 attached to it.
  • the pasty gets Mass under pressure, since it is supported on the pressure floor 14 like an abutment.
  • the mass consequently emerges from the spout 12 in the form of a strand via the dispensing opening 13.
  • a certain pressure threshold When a certain pressure threshold is reached, the resistance breaks down.
  • the pressure base 14 is moved downward with the plunger 24 via the filling level column of the cartridge 2.
  • the lower end of the plunger 24 acts on the lifting fingers 23, which raise the lower abutment plate 16. Their locking tongues 20 now get caught in the higher level.
  • the upper abutment plate 15 is subsequently lifted by the force of the spring elements 25, taking the pressure base 14 with it, and the cartridge 2 designed as a plastic bag is lifted.
  • the upper abutment plate 15 in turn now interlocks with the rack bars 17, 18.
  • the rotary part 6 is to be displaced such that the latching tongues 19, 20 of the abutment plates 15, 16 lose their hold on the rack strips 17, 18.
  • the transport unit T slides back into the starting position depending on gravity. By gripping and pulling off the head piece 9, the cartridge 2 is removed from the dispenser housing 3.
  • a strip-shaped plastic material is assumed, the two edge edges 26, 27 of which are welded together to form a longitudinal weld seam L.
  • the hose formed in this way is closed at the end opposite the head piece 10 by a weld seam 28 on the bottom.
  • This is designed in such a way that two fingers 29, which are arranged at a distance from one another and are located on the side of the jacket wall, are formed.
  • the space 30 present between the fingers 29 is designed as a free space.
  • the facing edge 31, 31 'of the space 30 are divergent and trapezoidal to the base line to each other.
  • the bottom weld 28 is adapted to this course created by the space.
  • the outer flanks of the fingers 29 run into the outer surface via curves 32.
  • the bottom weld seam 28 is also adapted to these.
  • the lateral longitudinal weld L extends on the center line between the fingers 29 such that the inner edge L 1 of the longitudinal weld L opens approximately at the level of the upper end of the edge 31 '.
  • the edge edges 26, 27 of the longitudinal weld seam L lying one on top of the other are adapted at the end to the course of the spacing space 30.
  • the weld seams 28 and L ensure that paste-like mass can only leave the cartridge 2 in the prescribed way.
  • the head piece 10 provided at the upper end 11 of the plastic bag has a circular plan.
  • the circumferential length of the head piece 10 is such that it can be fitted into the upper end 11 of the plastic bag.
  • the upper end 11 is connected there to the head piece 10 by welding.
  • the head piece is also made of weldable plastic material.
  • a collar 34 extends inwards and at an angle, which collar extends into a hub 35 extending parallel to the outer edge 33. This projects slightly beyond the upper edge of the outer edge 33.
  • the stiffening of the hub 35 is used between the latter and the outer edge 33 extending webs 36 which are provided in the same circumferential distribution. In the exemplary embodiment, eight such webs 36 are present.
  • the outlet opening 13 mentioned at the outset is formed by the hub 35 and communicates with the spout 12 of the mouthpiece 9.
  • the actuating pressure surface 37 runs adjacent to the dispensing opening 13. This is formed by the upper edge of the outer edge 33.
  • the mouthpiece 9 acts on it when it is acted upon in the direction of arrow P.
  • the plastic bag forming the cartridge 2 is filled with the pasty mass M through the dispensing opening 13, this also reaches the area formed by the fingers 29.
  • the internal pressure increases, which leads to the fingers folding in the direction of the clearance space due to the lack of back pressure due to the clearance space 30 such that the area of the fingers 29 on the casing wall side is flush with the casing wall of the plastic bag placed in a sausage mold, 3.
  • the filled cartridge 2 can be closed after filling by a stopper 38 which is inserted into the dispensing opening 13 in a form-fitting manner. Cartridges 2 filled in this way are then suitable as so-called refill packs. After removing an empty cartridge 2, the plug 38 is to be removed from the dispensing opening 13 of a refill cartridge.
  • FIG. 9 illustrates an initial loading of the dispenser 1 with a filled cartridge 2.
  • a gripper 39 illustrated in broken lines, grips the cartridge 2 approximately in its upper third.
  • the internal pressure in the cartridge can rise slightly, so that with the increase in the internal pressure, the fingers 29 fold further in the direction of the spacing space 30 and thus still have a certain centering effect when the cartridge is inserted into the Guide dispenser housing 3.
  • a weldable plastic film is selected to form the plastic bag, the thickness of which is approximately seven hundredths of a millimeter.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Feeding And Controlling Fuel (AREA)

Claims (6)

  1. Cartouche réalisée sous la forme d'un sac en matière plastique fermé au moins du côté fond par une ligne de soudure et destinée à être introduite dans un distributeur (1) de masses pâteuses (M) susceptible d'être vidées par déplacement de la cartouche, caractérisée en ce que la ligne de soudure (28) côté fond forme au moins deux doigts (29) espacés l'un de l'autre et disposés du côté de la paroi de l'enveloppe, remplis de la masse pâteuse et susceptibles de se rapprocher dans l'espace de séparation (30) sous l'effet de la pression intérieure.
  2. Cartouche, en particulier selon la revendication 1, caractérisée en ce que l'espace de séparation (30) est formé comme un espace libre.
  3. Cartouche, en particulier selon l'une ou plusieurs des revendications précédentes, caractérisée en ce que le sac de matière plastique est formé avec une ligne de soudure longitudinale latérale (L) qui s'étend sur la ligne médiane entre les doigts (29).
  4. Cartouche, en particulier selon l'une ou plusieurs des revendications précédentes, caractérisée en ce qu'est soudée sur le sac en matière plastique, à son extrémité supérieure (11), une pièce de tête (10) présentant aussi bien l'ouverture de sortie (13) qu'une surface de pression d'actionnement (37) voisine de celle-ci, cette tête étant susceptible de se déplacer longitudinalement dans le boîtier de distribution (3).
  5. Cartouche, en particulier selon l'une ou plusieurs des revendications précédentes, caractérisée en ce que les faces marginales se faisant face (31, 31′) de l'espace de séparation (30) sont divergentes et s'étendent en forme de trapèze par rapport à la ligne de base.
  6. Cartouche, en particulier selon l'une ou plusieurs des revendications précédentes, caractérisée en ce que les flancs extérieurs des doigts (29) se raccordent à la surface d'enveloppe par des arrondis (32).
EP91116219A 1990-10-16 1991-09-24 Cartouche destinée à être introduite dans un distributeur Expired - Lifetime EP0481250B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT91116219T ATE85955T1 (de) 1990-10-16 1991-09-24 Kartusche zum einsetzen in spender.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4032761A DE4032761A1 (de) 1990-10-16 1990-10-16 Kartusche zum einsetzen in spender
DE4032761 1990-10-16

Publications (2)

Publication Number Publication Date
EP0481250A1 EP0481250A1 (fr) 1992-04-22
EP0481250B1 true EP0481250B1 (fr) 1993-02-24

Family

ID=6416361

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91116219A Expired - Lifetime EP0481250B1 (fr) 1990-10-16 1991-09-24 Cartouche destinée à être introduite dans un distributeur

Country Status (4)

Country Link
EP (1) EP0481250B1 (fr)
AT (1) ATE85955T1 (fr)
DE (2) DE4032761A1 (fr)
ES (1) ES2040140T3 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9586734B2 (en) 2010-07-27 2017-03-07 Neomed, Inc. Fluid containment and dispensing system
US9433562B2 (en) 2010-07-27 2016-09-06 Neomed, Inc. System for aseptic collection and enteral delivery
US9028438B2 (en) 2010-12-02 2015-05-12 Neomed, Inc. Enteral feeding and reflux collection system and method using vented syringe
WO2014025694A1 (fr) 2012-08-06 2014-02-13 Neomed, Inc. Système et procédé d'alimentation entérale dosée
CA3015874A1 (fr) 2016-02-25 2017-08-31 Neomed, Inc. Piston de seringue avec bride articulee
EP3877730A4 (fr) 2018-11-08 2022-05-18 Tomer Eden Système de distribution automatique

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2724863A (en) * 1952-07-05 1955-11-29 Flexipac Ltd Method and apparatus for manufacturing collapsible containers
US3259296A (en) * 1962-06-04 1966-07-05 Beranger Antoine Tubular container made of flexible material
US3282473A (en) * 1964-06-10 1966-11-01 Thomas B Moore Dispensers for sealants, adhesives, caulking compounds and the like
NL7906144A (nl) * 1979-08-13 1981-02-17 I A V Internationaal Adviesbur Werkwijze voor het sluiten van een tube of dergelijke houder, alsmede tube, gesloten volgens deze werkwijze.
EP0419967A1 (fr) * 1989-09-27 1991-04-03 von Schuckmann, Alfred Distributeur
DE3938433A1 (de) * 1989-11-18 1991-05-23 Alfred Von Schuckmann Vorrichtung zur schrittweisen produkt-ausbringung

Also Published As

Publication number Publication date
DE4032761A1 (de) 1992-04-23
EP0481250A1 (fr) 1992-04-22
ES2040140T3 (es) 1993-10-01
ATE85955T1 (de) 1993-03-15
DE59100047D1 (de) 1993-04-01

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