EP3835231A1 - Dispositif de dosage - Google Patents

Dispositif de dosage Download PDF

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Publication number
EP3835231A1
EP3835231A1 EP19216092.7A EP19216092A EP3835231A1 EP 3835231 A1 EP3835231 A1 EP 3835231A1 EP 19216092 A EP19216092 A EP 19216092A EP 3835231 A1 EP3835231 A1 EP 3835231A1
Authority
EP
European Patent Office
Prior art keywords
piston
cylindrical body
stop
stop elements
flowable material
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
EP19216092.7A
Other languages
German (de)
English (en)
Other versions
EP3835231B1 (fr
Inventor
Tomá Müller
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.)
Tomil sro
Original Assignee
Tomil sro
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 Tomil sro filed Critical Tomil sro
Priority to EP19216092.7A priority Critical patent/EP3835231B1/fr
Priority to PCT/EP2020/082468 priority patent/WO2021115742A1/fr
Publication of EP3835231A1 publication Critical patent/EP3835231A1/fr
Application granted granted Critical
Publication of EP3835231B1 publication Critical patent/EP3835231B1/fr
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
    • 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
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D9/00—Sanitary or other accessories for lavatories ; Devices for cleaning or disinfecting the toilet room or the toilet bowl; Devices for eliminating smells
    • E03D9/02—Devices adding a disinfecting, deodorising, or cleaning agent to the water while flushing
    • E03D9/022—Devices adding a disinfecting, deodorising, or cleaning agent to the water while flushing consisting of solid substances introduced in the bowl or the supply line

Definitions

  • the invention relates to a metering device for dispensing defined doses of a flowable material.
  • Such a material can, for example, have a sticky consistency, i.e. stick automatically to a surface.
  • the object of the invention is to provide a metering device for dispensing defined doses of at least two flowable materials.
  • the metering device has two cylindrical bodies, the interior of which each forms a cavity for receiving the flowable material.
  • This flowable material can be, for example, a gel in the colloquial sense or another flowable material with high or low viscosity. It is essential that the flowable material is designed in such a way that it does not automatically emerge from the dosing device and also has a sticky consistency so that it automatically adheres to the inside of a toilet bowl when it is applied. Furthermore, the material can have such a viscosity that it retains its shape after application, provided it is not deformed by external influences.
  • the metering device also has two pistons for axial insertion into the respective first open end of the first and second cylindrical bodies. The introduction takes place in such a way that the flowable material is displaced by the piston and pressed out of the dispensing opening.
  • the dosing device also has the elements described below to ensure that the first and second piston can be pushed into the cylindrical body by a defined amount during each operating step, so that a defined dose of the flowable material through the dispensing opening of the cylindrical body is issued.
  • each piston has push-in stop elements. These can be pressed in in the radial direction of the piston and are arranged at an axial distance from one another.
  • the term "axial” here refers to the axial direction of the piston, which is preferably with the axial direction of the cylindrical body matches.
  • the piston has essentially the same basic shape as the cylindrical body and also has a somewhat reduced diameter, so that it touches the inside of the cylindrical body when it is inserted. The outer diameter of the piston thus essentially corresponds to the inner diameter of the cylindrical body.
  • the push-in stop elements are thus preferably arranged in the longitudinal direction of the piston.
  • a stop element extends in the radial direction beyond the inner diameter of the cylindrical body in the non-depressed state and thus forms a stop for the edge of the cylindrical body which surrounds the open end of the cylindrical body. This has the effect that the piston cannot be introduced into the cylindrical body beyond this stop.
  • a stop element does not extend in the radial direction beyond the inner diameter of the cylindrical body, so that the piston can be introduced into the cylindrical body beyond this stop element.
  • a depressed stop element therefore does not form a stop.
  • the stop elements of the first piston are offset from one another in the axial direction with respect to the stop elements of the second piston.
  • the first and the second piston do not have a stop element that is not offset from one another in the axial direction.
  • the stop elements of the first piston have an identical spacing from one another in the axial direction.
  • the distance between two adjacent stop elements of the first piston multiplied by the cross-sectional area of the piston results in twice the volume that is to be dispensed by the metering device as a dose of the flowable material.
  • stop elements of the first piston are offset in the axial direction with respect to the stop elements of the second piston by a distance which corresponds to half the distance between two adjacent stop elements of the first or second piston.
  • the reference point for the mentioned distance is the front edge of each stop element, which points in the direction of the dispensing opening and which rests against the edge of the cylindrical body when the stop element is not pressed in, so that the piston cannot be inserted into the cylindrical body.
  • first and second pistons are connected to one another in such a way that they are immovable relative to one another in the axial direction. They can therefore only be moved together in the axial direction.
  • the first and the second piston are particularly preferably formed in one piece, for example from a plastic material.
  • first and second pistons are connected to one another exclusively at their end facing away from the cylindrical bodies. This enables the pistons to be inserted almost completely into the cylindrical bodies.
  • two stop elements to be operated one after the other are located on different pistons. If one thus assumes a stop element in the first piston, the next stop element in the axial direction is located in the second piston, whereupon the third stop element in the axial direction is again located in the first piston.
  • a stop element in another piston is actuated. There is thus an alternating actuation of the stop elements in the two pistons.
  • the offset arrangement of the stop elements on the two pistons offers the advantage that the stop elements a can be of sufficient size to be able to be operated comfortably with the fingers of a user without simultaneously causing the piston to be pushed into the respective cylindrical body too much.
  • the piston is inserted into the respective cylindrical body by a distance which corresponds to half the axial offset of two stop elements adjacent in a piston.
  • This offset arrangement of the stop elements makes it possible to use a piston and cylindrical body with a relatively large diameter, so that more flowable material can be accommodated therein.
  • each stop element is preferably pivotably connected to the piston.
  • the opposite side can be pivoted inwardly in the radial direction of the piston about the side connected to the piston. This means that the opposite side can be pushed into the piston.
  • the opposite side can be detachably connected to the piston, for example, by one or two webs. A releasable connection in this context means that these webs are severed when the stop element is pressed in for the first time, so that the connection between the opposite side and the piston is released.
  • the stop elements have an L-shaped projection which extends outward in the radial direction from the stop elements.
  • one leg of the L-shaped projection is in the Arranged stop elements of the first piston in the direction of the stop elements of the second piston.
  • each stop element thus has a projection, the first leg of which is arranged in the direction of the stop elements of the other piston.
  • the second leg of the L-shaped projection is arranged in the direction of the cylindrical body.
  • the L-shaped projection enables the user to push in the stop elements more easily without the user's thumb slipping off the stop elements.
  • the L -shaped projection serve as a stop for a non-depressed stop element for the edge of the cylindrical body.
  • the L-shaped projection is intended to prevent a stop element from deforming by itself when the piston is pressed into the cylindrical body without being actuated by a user.
  • the L-shaped projection can thus prevent a stop element from being automatically pushed in, which can occur when the piston is pushed into the cylindrical body.
  • the L-shaped projection is designed in such a way that at one point on the stop element, for example approximately in the center of the stop element viewed in the circumferential direction, it jumps upwards in the radial direction away from the stop element.
  • the first leg of the L-shaped projection which is arranged in the direction of the stop elements of the other piston, can prevent a depressed stop element from automatically moving outward again in the radial direction and thus preventing the piston from being inserted into the cylindrical body.
  • the spacers can also ensure that the metering device and in particular the dispensing openings are always positioned at a defined distance from the inside of the toilet bowl while the flowable material is being dispensed.
  • the metering device 10 has a first cylindrical body 14a and a second cylindrical body 14b.
  • the two cylindrical bodies 14a, 14b each have a discharge opening 18a, 18b at their respective distal ends, which are inserted into the Figures 3 and 4th are shown. These dispensing openings can be closed by a cover cap 15.
  • a piston 20a, 20b is inserted into the respective proximal opening of the cylindrical bodies 14a, 14b.
  • the two pistons 20a, 20b are only connected at their end opposite the cylindrical bodies 14a, 14b, so that they can be pushed almost completely into the cylindrical bodies 14a, 14b. This displaces the flowable material 12a, 12b, which is located in the respective cylindrical body, so that it is dispensed through the dispensing openings 18a, 18b.
  • the pistons 20a, 20b each have a row of stop elements 22a-22g which can be pressed in in the radial direction. These are arranged alternately in the axial direction on the first and on the second piston 20a, 20b.
  • the first stop element 22a is thus pressed in, so that the two pistons 20a, 20b can be inserted into the cylindrical bodies 14a, 14b by a defined axial distance until the second leg 26b of the second stop element 22b rests on the edge 24b surrounding the second cylindrical body 14b.
  • the double piston 20a, 20b cannot be pushed further into the cylindrical bodies 14a, 14b unless the second stop element 22b is actuated. However, this only takes place in the next operating step, ie when the user wishes to apply a further dose of the flowable material.
  • the further operation takes place accordingly by alternately actuating the further stop elements 22c-22g.

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
EP19216092.7A 2019-12-13 2019-12-13 Dispositif de dosage Active EP3835231B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP19216092.7A EP3835231B1 (fr) 2019-12-13 2019-12-13 Dispositif de dosage
PCT/EP2020/082468 WO2021115742A1 (fr) 2019-12-13 2020-11-18 Dispositif de dosage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19216092.7A EP3835231B1 (fr) 2019-12-13 2019-12-13 Dispositif de dosage

Publications (2)

Publication Number Publication Date
EP3835231A1 true EP3835231A1 (fr) 2021-06-16
EP3835231B1 EP3835231B1 (fr) 2024-08-28

Family

ID=69105683

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19216092.7A Active EP3835231B1 (fr) 2019-12-13 2019-12-13 Dispositif de dosage

Country Status (2)

Country Link
EP (1) EP3835231B1 (fr)
WO (1) WO2021115742A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2361850A1 (fr) * 2011-04-20 2011-08-31 Tomil s.r.o. Dispositif de dosage
DE102010028352A1 (de) * 2010-04-29 2011-11-03 Henkel Ag & Co. Kgaa Applikator für gelförmige Produkte, insbesondere ein WC-Reinigungsprodukt
EP3090962A1 (fr) * 2015-05-06 2016-11-09 Tomil s.r.o. Distributeur de produit de nettoyage

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010028352A1 (de) * 2010-04-29 2011-11-03 Henkel Ag & Co. Kgaa Applikator für gelförmige Produkte, insbesondere ein WC-Reinigungsprodukt
EP2361850A1 (fr) * 2011-04-20 2011-08-31 Tomil s.r.o. Dispositif de dosage
EP2361850B1 (fr) 2011-04-20 2014-01-01 Tomil s.r.o. Dispositif de dosage
EP3090962A1 (fr) * 2015-05-06 2016-11-09 Tomil s.r.o. Distributeur de produit de nettoyage

Also Published As

Publication number Publication date
WO2021115742A1 (fr) 2021-06-17
EP3835231B1 (fr) 2024-08-28

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