EP0399357B1 - Vorrichtung zur Reinigung von verstopften Abflussrohren - Google Patents

Vorrichtung zur Reinigung von verstopften Abflussrohren Download PDF

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Publication number
EP0399357B1
EP0399357B1 EP90109228A EP90109228A EP0399357B1 EP 0399357 B1 EP0399357 B1 EP 0399357B1 EP 90109228 A EP90109228 A EP 90109228A EP 90109228 A EP90109228 A EP 90109228A EP 0399357 B1 EP0399357 B1 EP 0399357B1
Authority
EP
European Patent Office
Prior art keywords
valve
retaining ring
aerosol
protective cap
adapter
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
EP90109228A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0399357A2 (de
EP0399357A3 (de
Inventor
Bernd Grunenberg
Jürgen Noglich
Bernd Dieter Holdt
Peter Wolf
Erich Türk
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.)
Henkel AG and Co KGaA
Original Assignee
Henkel AG and Co KGaA
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 Henkel AG and Co KGaA filed Critical Henkel AG and Co KGaA
Publication of EP0399357A2 publication Critical patent/EP0399357A2/de
Publication of EP0399357A3 publication Critical patent/EP0399357A3/de
Application granted granted Critical
Publication of EP0399357B1 publication Critical patent/EP0399357B1/de
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
    • B65D83/14—Containers for dispensing liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant
    • B65D83/16—Actuating means
    • B65D83/20—Actuator caps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/005—Nozzles or other outlets specially adapted for discharging one or more gases
    • 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
    • B65D83/14—Containers for dispensing liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant
    • B65D83/16—Actuating means
    • B65D83/22—Actuating means with means to disable actuation
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
    • E03C1/30—Devices to facilitate removing of obstructions in waste-pipes or sinks

Definitions

  • the invention is directed to a device for cleaning clogged drain pipes, particularly in the household, consisting of a conventional aerosol can with a pin-shaped outlet valve plugged onto the flanging of the can and a protective cap overlapping the valve area for actuating the valve with a sealing area for conventional ones Drainage screens and a releasable actuation lock for the valve, the protective cap having a central outlet opening with means for depressing the valve pin, the outlet pin tightly encompassing the valve pin, retaining elements engaging in a clamping bead of the valve and guide elements supporting on the outside of the aerosol can.
  • Such a device has become known, for example, from the Austrian patent AT-B-362319.
  • This device is filled with a pressurized, non-toxic and non-combustible gas.
  • the device is inserted in the approximately vertical overhead position with the protective cap in the drain strainer of the sink or the like.
  • the protective cap and the aerosol can are displaceable relative to one another in the vertical direction, so that the valve then opens by depressing the aerosol can and the gas in the can escapes.
  • the escaping gas jet creates pressure on the blocked drain line standing water column, which presses the water column into the drain pipe and thereby eliminates the blockage.
  • the disadvantage is that the known device is not refillable. In addition, a reliably working, more user-friendly actuation lock would be desirable.
  • the object of the invention is to improve the above-mentioned device in such a way that it can be refilled with an environmentally friendly propellant and is provided with a handling-friendly actuation lock.
  • this object is achieved according to the invention in that the aerosol can is filled with compressed air and for refilling the area of the protective cap comprising the valve pin is extended as a free-standing cylindrical adapter and the actuation lock can be released by relative rotation of the aerosol can and protective cap .
  • the invention provides in an expedient embodiment that the adapter for detection can be freely gripped with conventional tire air pressure testing and filling devices is arranged within a funnel-shaped indentation in the protective cap.
  • actuation lock consists of a cup-shaped retaining ring fastened to the clamping bead of the valve with regularly distributed, vertical incisions in its circumferential wall and a cylinder element which can be moved vertically and circumferentially relative to the latter exists, which is attached to the inner surface of the protective cap and is provided with webs or cams corresponding to the incisions of the retaining ring, the valve being open when the webs or cams engage in the incisions of the retaining ring and when the webs or cams rest on the edge of the retaining ring the valve cannot be opened.
  • the position in which the valve can be opened is advantageously indicated to the user by snapping the webs or cams into the incisions, which limits further relative rotation of the protective cap and aerosol can.
  • finding the open position for the user is made even easier by the fact that the retaining ring and the cylinder element relative to one another in the vertical direction by a distance that corresponds to the depth of the incisions and in the circumferential direction by a distance that is smaller than the distance between two incisions are movable, as the invention provides in further training.
  • the retaining ring it is particularly advantageous for the retaining ring to hold the retaining elements which grip the clamping bead of the valve and areas with radially protruding outwards Has projections which protrude into window-shaped recesses of the cylinder element bearing with its inner wall against the outer wall of the retaining ring and the maximum possible relative movement between the retaining ring and the cylinder element is limited by abutment against the window border.
  • the invention further provides in a user-friendly design that the projections are arranged in the window-shaped recesses in such a way that the valve can be actuated clockwise after a relative rotation of the aerosol can.
  • the invention is further characterized in that a bevel is formed adjacent to the incisions on the edge of the retaining ring.
  • an annular bead is formed in the upper area on the outer surface of the adapter.
  • the bead seals the adapter to the part of the refilling device to be fitted.
  • this bead can also be made of wear-and-tear material that wears out a little during each refill process. After a certain number of refilling operations, the bead then no longer seals, so that refilling is no longer possible. This is then an indication to the user that the device should not be used for safety reasons.
  • the invention provides that two to six longitudinal slots are formed in the bead and / or in the outer surface of the adapter on the circumference. Through these longitudinal slots, part of the compressed air can flow past the outside of the adapter when the tire inflation device is attached to the adapter. This ensures that the aerosol can can only be filled up to a certain can pressure. This avoids misuse by operating the tire inflator for too long and possibly causing the can pressure to be too high.
  • the device designated as 1 overall in FIG. 1 for cleaning clogged drain pipes consists of a conventional aerosol can 2 and a protective cap 3.
  • the opening edge of the aerosol can 2 has a flange 4 which is customary in aerosol cans.
  • a valve plate 5 with a central, pin-shaped valve 6 is clipped onto this flange 4.
  • it is a usual aerosol can, for example an tin-plated tin can, designed for a test pressure of 15 bar.
  • the protective cap 3 has an area 7 that overlaps the entire aerosol can cross section, including the valve area, and is curved outwards.
  • annular sealing flange 8 is formed as a sealing area with respect to conventional drain screens.
  • the curvature area 7 and the sealing flange 8 are designed overall such that the curvature area is placed on conventional drain strainers or can be inserted into them until the sealing flange 8 seals comes to rest on the edge of the respective drain strainer, which is usually cup-shaped.
  • the further outer region of the protective cap 3 adjoining the ring flange 8 is cylindrical. On its inside, this cylindrical region 9 has web-shaped guide elements 10 which rest on the outer wall of the aerosol can 2.
  • a funnel-shaped indentation 11 is formed centrally in the arched region 7 of the protective cap 3, with a cylindrical region 14 that surrounds the outlet opening 12 and lies closely against the pin-shaped outlet 13 of the valve 6 protruding from the valve disk 5.
  • the inner wall of the area 14 protrudes inwards to form the outlet opening 12 and to form an annular stop area 15.
  • the valve pin 13 bears against this stop area 15, so that means for depressing the valve pin 13 and thus for opening the valve 6 are thereby formed.
  • the cylindrical region 14 arranged at the bottom of the funnel-shaped indentation 11 is extended as a cylindrical adapter 16 projecting into the indentation 11.
  • the adapter 16 projects as a free-standing hollow cylinder into the funnel-shaped indentation 11 and ends just below the outer surface of the protective cap 3.
  • the adapter 16 is dimensioned such that it can be detected with conventional tire air pressure testing and filling devices and through it the aerosol can can be refilled with compressed air .
  • the adapter 16 In its upper edge area, has on its outer surface an annular bead 17 for sealing against a refill device that is attached.
  • the annular bead 17 expediently consists of a material which wears out over time after repeated placement of a refilling device.
  • FIG. 5 shows a top view of a special adapter 16 which, in addition to the bead 17, has four longitudinal slots 39 distributed around the circumference by 90 ° in each case. These longitudinal slots 39 are formed in the bead 17.
  • the longitudinal slots 39 have a radius of 0.5-5 mm in width. These longitudinal slots ensure that the bead 17 does not seal completely when the air refill device is placed on the adapter 16, so that part of the compressed air can flow past the adapter through the longitudinal slots 39. This prevents a pressure from being set in the aerosol can 2 which is above the permissible filling pressure in the event of incorrect use.
  • only a certain internal can pressure can be set.
  • the number of slots and their radius is set so that the internal pressure of the can is preferably 4-8 bar.
  • the retaining ring 18 has an intermediate base 19 with a central opening 20 for the valve 6. With the underside of the intermediate floor 19, the retaining ring 18 rests on the flange 4 of the aerosol can 2 or on the region of the valve plate 5 comprising this flange 4 and, with the retaining elements 21 designed as retaining claws in extension of its side wall, detects the clamping bead 22 of the valve 6, which is formed in the area of the flange 4.
  • the retaining ring 18 thus forms with its retaining elements 21 the retaining elements of the protective cap 3 which engage in the clamping bead 22 of the valve and, in conjunction with the second component of the actuation lock described below, ensures that the protective cap 3 is securely held on the aerosol can 2.
  • the circumferential wall 25 of the cup-shaped retaining ring 18 has vertical incisions 23 distributed regularly over the circumference, which start from the edge 26 of the peripheral wall 25. Furthermore, regions with projections 24 projecting radially outward from the peripheral wall 25 are formed just above the intermediate base 19. Furthermore, the peripheral wall 25 of the retaining ring 18 has a bevel 27 on its edge 26 adjacent to the incisions 23.
  • a cylinder element 28 which is fastened centrally outside the funnel-shaped indentation 11 to the inner surface of the curved area 7.
  • the cylinder element 28 extends into the area of the flange 4 inward of the cap, the inner surface of the cylinder element 28 abutting the outer surface of the peripheral wall 25 of the cup-shaped retaining ring 18.
  • the cylinder element 28 has window-shaped recesses 29 or openings through which the projections 24 of the holding ring 18 protrude.
  • the window-shaped openings 29 are larger than the extension areas of the projections 24, so that the projections 24 can be moved in the openings 29 in the vertical and circumferential directions. Furthermore, protruding webs 30 or cams are formed on the inner surface of the cylinder element 28, which corresponding to the vertical incisions 23 of the retaining ring 18 are evenly distributed on the circumference and can be brought into engagement with the incisions 23.
  • FIG. 2 shows the protective cap 3 in an enlarged and cut view. It can be seen from FIG. 2 that the webs 30 end at such a distance from the lower edge 31 of the window-like openings 29 that their underside when the projections 24 stop on the lower edge 31 of the window-like openings Opening 29 can slide straight along the edge 26 of the peripheral wall 25 of the retaining ring 18.
  • FIGS. 3 and 4 show the relevant areas of the retaining ring 18 and the cylinder element 28.
  • Figure 3 shows the position in which the protective cap 3 can not be pressed down and thus the valve 6 can not be opened.
  • the upper region of the retaining ring 18 and the lower region of the cylinder element 28 are shown in FIG. 3, the latter being shown in section just above the lower end of the webs 30.
  • the underside of the webs 30 rests on the edge 26 and the underside of the projections 24 rests on the lower edge 31 of the window opening 29.
  • a stop point for the vertical relative movement of the cylinder element 28 and retaining ring 18 relative to one another is determined by the abutment of the projections 24 on the edge 31. It is clearly visible that the window-like openings 29 extend over a significantly larger area than the projections 24. From this stop position shown in FIG. 3, the projections 24 can now be displaced in the vertical and circumferential directions by relative movement of the holding ring 18 and the cylinder element 28 .
  • the retaining ring 18 and the cylinder element 28 can be rotated relative to one another by rotating the retaining ring 18 in a clockwise direction - which corresponds to a rotation of the aerosol can in a clockwise direction due to the clamping fastening of the retaining ring 18 on the aerosol can 2 achieve.
  • the projections 24 slide along the lower edge 31 of the recesses 29 and the undersides of the webs 30 along the edge 26 of the peripheral wall 25.
  • the webs 30 then arrive by way of this relative rotation in the area of the bevels 27, which causes a first vertical relative movement of the cylinder element 28 and the retaining ring 18 to one another.
  • an actuation lock is created by the mutually movable arrangement of cylinder element 28 and retaining ring 18 and the corresponding configurations of projections 24 and window-like openings 29, as well as webs 30 and notches 23, in which the retaining ring 18 and cylinder element 28 move in the vertical direction by a distance that the depth of the incisions 23 corresponds and can be moved in the circumferential direction by a distance which is smaller than the distance between two incisions, relative to one another.
  • the latter can also be seen in FIG. 3, since here the projections 24 already strike the side edge 38 of the window-like openings 29 when the webs 30 have not even covered half the distance between two incisions 23.
  • the protective cap 3 is preferably made of plastic and is made in one piece except for the retaining ring 18.
  • the aerosol can is filled with compressed air and can be refilled with the usual refill devices through the adapter.
  • the preferably provided filling pressure for the device described above is 3 bar.
  • a securing element for example in the form of a tear strip, connecting the cylinder element 28 and the retaining ring 18 can also be provided, which prevents a relative movement of the retaining ring 18 and the cylinder element 28 from one another until it is removed, and thus serves in particular to secure the transportation.
  • the device described above is moved from the shut-off position according to FIG. 3 into the position in which the side surfaces 32 of the projections 24 strike the edge 33 of the window-like opening 29.
  • the device is then placed in the overhead position with the curved area 7 as vertically as possible over the drain strainer of the blocked drain pipe.
  • the aerosol can is then depressed, so that there is a vertical or relative axial movement with respect to the longitudinal axis of the aerosol can between the aerosol can and the protective cap 3 and the protective cap is moved into the opening or release position of the valve 6 according to FIG. 4.
  • the compressed air By the now flowing out of the pressurized aerosol can 2 compressed air and due to the sealing of the curved area 7 or the annular flange 8 against the edge of the drain strainer, the compressed air now exerts a pressure on the water column in the blocked drain pipe. If the pressure is high enough, the water column is pressed into the drain pipe and the blockage is removed. The aerosol can is then released and there is again a relative movement of the aerosol can 2 and protective cap 3 or of the holding ring 18 and cylinder element 28 first in the vertical and then in the circumferential direction until the locking position corresponding to FIG. 3 is reached.
  • the protective cap 3 and aerosol can 2 are moved to one another in a position in which the side surfaces 32 of the projections 24 abut the side edges 33 of the window-like openings 29. Then, for example, the refill of conventional tire air pressure testing and filling devices is placed on the adapter 16 and the protective cap 3 is pressed down. In this position, the aerosol can 2 can then be refilled with compressed air through the adapter 16, the opening 12 and the valve pin 13. After this filling process, the protective cap 3 is moved back into the shut-off position according to FIG. 3.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Public Health (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Sink And Installation For Waste Water (AREA)
  • Cleaning In General (AREA)
  • Nozzles (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Cleaning Or Drying Semiconductors (AREA)
EP90109228A 1989-05-24 1990-05-16 Vorrichtung zur Reinigung von verstopften Abflussrohren Expired - Lifetime EP0399357B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3916911 1989-05-24
DE3916911A DE3916911C1 (enrdf_load_stackoverflow) 1989-05-24 1989-05-24

Publications (3)

Publication Number Publication Date
EP0399357A2 EP0399357A2 (de) 1990-11-28
EP0399357A3 EP0399357A3 (de) 1991-10-09
EP0399357B1 true EP0399357B1 (de) 1993-06-30

Family

ID=6381309

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90109228A Expired - Lifetime EP0399357B1 (de) 1989-05-24 1990-05-16 Vorrichtung zur Reinigung von verstopften Abflussrohren

Country Status (6)

Country Link
EP (1) EP0399357B1 (enrdf_load_stackoverflow)
AT (1) ATE91163T1 (enrdf_load_stackoverflow)
DE (2) DE3916911C1 (enrdf_load_stackoverflow)
DK (1) DK0399357T3 (enrdf_load_stackoverflow)
ES (2) ES2041469T3 (enrdf_load_stackoverflow)
PT (1) PT94120B (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4201342C1 (enrdf_load_stackoverflow) * 1992-01-20 1993-03-25 Henkel Kgaa, 4000 Duesseldorf, De
EP1537027B1 (en) * 2002-07-22 2012-06-27 Seaquist Perfect Dispensing Foreign, Inc. Locking aerosol dispenser
US7861894B2 (en) * 2007-08-22 2011-01-04 Seaquistperfect Dispensing L.L.C. Lockable dispenser

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3601290A (en) * 1969-07-11 1971-08-24 Gillette Co Aerosol dispenser actuator
AT324609B (de) * 1972-11-22 1975-09-10 Knopf Karl Horst Gerät zum zubereiten von schlagsahne
DE2501502C3 (de) * 1975-01-16 1979-05-10 Friedrich Karl 6500 Mainz Skowronnek Gerät zur Beseitigung von Verstopfungen von Rohrleitungen und Geruchsverschlüssen

Also Published As

Publication number Publication date
ES2041469T3 (es) 1993-11-16
ATE91163T1 (de) 1993-07-15
ES1014001U (es) 1991-02-01
DK0399357T3 (da) 1993-08-23
PT94120A (pt) 1991-01-08
EP0399357A2 (de) 1990-11-28
PT94120B (pt) 1996-09-30
DE59001879D1 (de) 1993-08-05
DE3916911C1 (enrdf_load_stackoverflow) 1990-10-18
ES1014001Y (es) 1991-07-16
EP0399357A3 (de) 1991-10-09

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