EP0481250A1 - Cartouche destinée à être introduite dans un distributeur - Google Patents

Cartouche destinée à être introduite dans un distributeur Download PDF

Info

Publication number
EP0481250A1
EP0481250A1 EP91116219A EP91116219A EP0481250A1 EP 0481250 A1 EP0481250 A1 EP 0481250A1 EP 91116219 A EP91116219 A EP 91116219A EP 91116219 A EP91116219 A EP 91116219A EP 0481250 A1 EP0481250 A1 EP 0481250A1
Authority
EP
European Patent Office
Prior art keywords
cartridge
fingers
plastic bag
particular according
dispenser
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
EP91116219A
Other languages
German (de)
English (en)
Other versions
EP0481250B1 (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
    • B65D83/76—Containers or packages with special means for dispensing contents for dispensing fluent contents by means of a piston
    • B65D83/765—Containers or packages with special means for dispensing contents for dispensing fluent contents by means of a piston 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 bottom, 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 object of designing a cartridge of the type in question in a technically simple manner in such a way that, in addition to easy insertion of the cartridge, there is a maximum cartridge volume and that the cartridge wall does not exert any appreciable friction on the inner wall of the dispenser when the dispenser is actuated becomes.
  • 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 teeth for a piston which acts on the bottom 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 closure of the plastic bag at the end opposite the floor is achieved by a welded-on head piece. This contains both the dispensing opening and this adjacent to the actuation pressure surface. 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. This ensures that the fingers fold wide against each other as the internal pressure increases within the cartridge. In order to prevent protruding horns in the area of the cartridge base even at low internal pressure, the outer flanks of the fingers run into the outer surface of the plastic bag via curves.
  • 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 rotating ring 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 headpiece 10.
  • the pasty mass is discharged 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 discharge 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 approx. 90 with adaptation to the curvature of the tubular dispenser housing 3 extend.
  • On the rack bars 17, 18, two diametrically opposed locking tongues 19, 20 of the abutment plates 15, 16 are supported in such a way that the transport unit T can only be displaced 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 displaced against the direction of the arrow x, taking the headpiece 10 and the cartridge 2 attached to it.
  • the pasty mass comes under pressure because it is supported on the pressure base 14 like an abutment.
  • the mass consequently emerges from the spout 12 in a strand-shaped manner via the discharge opening 13.
  • 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 lifting the cartridge 2 designed as a plastic bag.
  • the upper abutment plate 15 now enters the die Hooking to the rack bars 17, 18.
  • the rotating part 6 is to be displaced such that the latching tongues 19, 20 of the abutment plates 15, 16 lose their hold on the toothed rack bars 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 arranged at a distance from one another and lying on the side of the wall are formed.
  • the space 30 present between the fingers 29 is designed as a free space.
  • the mutually facing edge edges 31, 31 'of the spacing space 30 run in a divergent and trapezoidal manner with respect to the baseline.
  • 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 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 extends slightly beyond the upper edge of the outer edge 33.
  • webs 36 extending between this and the outer edge 33 are used, which are provided with 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 the 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.
  • the cartridge 2 can then be inserted into the dispenser housing 3. Protruding horns in the area of the bottom weld 28 of the plastic bag are not present, so that this process can be carried out without problems. During operation, the fingers 29 also do not form any disruptive projections, which, for. B. could get caught on the rack bars 17, 18.
  • 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 used to form the plastic bag chosen, 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)
  • Feeding And Controlling Fuel (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
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
DE4032761 1990-10-16
DE4032761A DE4032761A1 (de) 1990-10-16 1990-10-16 Kartusche zum einsetzen in spender

Publications (2)

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

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012015883A1 (fr) * 2010-07-27 2012-02-02 Neomed, Inc. Système de confinement et de distribution de fluide
US9028438B2 (en) 2010-12-02 2015-05-12 Neomed, Inc. Enteral feeding and reflux collection system and method using vented syringe
US9433562B2 (en) 2010-07-27 2016-09-06 Neomed, Inc. System for aseptic collection and enteral delivery
WO2020097503A1 (fr) * 2018-11-08 2020-05-14 M&B IP Analysts, LLC Système de distribution automatique
US10722432B2 (en) 2016-02-25 2020-07-28 Neomed, Inc. Syringe plunger with hinged flange
US10898414B2 (en) 2012-08-06 2021-01-26 Neomed, Inc. System and method for metered enteral feeding

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1076469A (fr) * 1952-07-05 1954-10-27 Flexipac Ltd Perfectionnements aux étuis déformables
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
EP0431304A2 (fr) * 1989-11-18 1991-06-12 Pohl GmbH & Co. KG Dispositif pour l'expulsion par étapes d'un produit

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1076469A (fr) * 1952-07-05 1954-10-27 Flexipac Ltd Perfectionnements aux étuis déformables
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
EP0431304A2 (fr) * 1989-11-18 1991-06-12 Pohl GmbH & Co. KG Dispositif pour l'expulsion par étapes d'un produit

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012015883A1 (fr) * 2010-07-27 2012-02-02 Neomed, Inc. Système de confinement et de distribution de fluide
US9433562B2 (en) 2010-07-27 2016-09-06 Neomed, Inc. System for aseptic collection and enteral delivery
US9586734B2 (en) 2010-07-27 2017-03-07 Neomed, Inc. Fluid containment and dispensing system
US10682447B2 (en) 2010-07-27 2020-06-16 Neomed, Inc. System for aseptic collection and enteral delivery
US11690939B2 (en) 2010-07-27 2023-07-04 Avent, Inc. System for aseptic collection and enteral delivery
US12048789B2 (en) 2010-07-27 2024-07-30 Avent, 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
US10898414B2 (en) 2012-08-06 2021-01-26 Neomed, Inc. System and method for metered enteral feeding
US10722432B2 (en) 2016-02-25 2020-07-28 Neomed, Inc. Syringe plunger with hinged flange
US11925791B2 (en) 2016-02-25 2024-03-12 Avent, Inc. Syringe plunger with hinged flange
WO2020097503A1 (fr) * 2018-11-08 2020-05-14 M&B IP Analysts, LLC Système de distribution automatique
US11892334B2 (en) 2018-11-08 2024-02-06 Spicerr Ltd. Automatic dispensing system

Also Published As

Publication number Publication date
EP0481250B1 (fr) 1993-02-24
DE4032761A1 (de) 1992-04-23
ATE85955T1 (de) 1993-03-15
DE59100047D1 (de) 1993-04-01
ES2040140T3 (es) 1993-10-01

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