EP0781110A1 - Apparatus for introducing a washing agent, provided with a bag-opening device - Google Patents
Apparatus for introducing a washing agent, provided with a bag-opening deviceInfo
- Publication number
- EP0781110A1 EP0781110A1 EP95931231A EP95931231A EP0781110A1 EP 0781110 A1 EP0781110 A1 EP 0781110A1 EP 95931231 A EP95931231 A EP 95931231A EP 95931231 A EP95931231 A EP 95931231A EP 0781110 A1 EP0781110 A1 EP 0781110A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- knives
- housing
- knife
- sieve
- induction
- 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
Links
- 238000005406 washing Methods 0.000 title abstract description 5
- 239000007921 spray Substances 0.000 claims abstract description 10
- 230000006698 induction Effects 0.000 claims description 21
- 238000003780 insertion Methods 0.000 claims description 19
- 230000037431 insertion Effects 0.000 claims description 19
- 239000003795 chemical substances by application Substances 0.000 abstract description 4
- 239000000843 powder Substances 0.000 description 9
- 238000005520 cutting process Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000012459 cleaning agent Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000003599 detergent Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000011538 cleaning material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000012858 resilient material Substances 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/44—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants
- A47L15/4436—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants in the form of a detergent solution made by gradually dissolving a powder detergent cake or a solid detergent block
Definitions
- the present invention relates to a induction device with a device for opening bags with pointed knives arranged in a housing, which extend obliquely from the edge region of the housing towards the introduction and form a common tip, the housing having an insertion and a Has outlet opening.
- a device for opening bags is known, in particular in connection with the metering of powder-form detergents in commercial dishwashers.
- the device has knives arranged in a housing, the housing having an insertion opening and an outlet opening.
- a bag preferably filled with powder or granules, is inserted into the housing through the insertion opening.
- the bag is opened in the housing by means of knives.
- the knives in the known device are mechanically driven so that they perform a cutting movement.
- a disadvantage of this embodiment is that in particular the powder leads to increased wear of the mechanically moved parts and has the consequence that the device is maintenance-intensive. There is also a risk that the device will become inoperable if the wear is well advanced.
- a device for opening bags with pointed knives arranged in a housing is known from the publication AT E 2501 B.
- the knives extend obliquely from the edge region of the housing to the insertion opening and form a common tip.
- the housing has an insertion opening, through which bags are introduced into the housing, and an outlet opening, through which the contents of a bag can exit the housing.
- a device for opening bags is known from the document DE-AS 1221 150.
- the device has two roller chains above a conveyor belt and an adjoining cutter disc, both of which lie in the same horizontal plane and rotate in opposite directions.
- the chains are equipped with drivers in the form of thorns.
- the bags are gripped by thorns at their upper edges, slit at the lower edge by the rotating knife disc, then lose their support surface, are emptied, tapped off and thereby thrown off the thorns, so that they break apart when the two chains are deflected.
- the material from the opened sack falls into a funnel in which a grate is arranged.
- the grate has the function of retaining foreign objects and possibly pieces of the sack, and its surface is flat for this purpose.
- the vibrator used to empty the housing leads to disadvantages, since the shaking movement locally compresses the contents of the bag, so that lumps form in the case of powder.
- the document DE 40 22 276 Cl deals with a device for opening solid, compressible wrappers or flexible bags that contain a liquid to be disposed of, for. B. urine or spoiled food.
- This device is only intended for opening and emptying bags with only liquid contents. In this device, the bags are opened with motor-driven scissor-shaped knives.
- a valve arranged in the lower part of the housing is provided for the entry of rinsing and cleaning liquids.
- the introduction of rinsing and cleaning liquid into the housing is used to clean the housing, from adhering residues of the liquid to be disposed of.
- a sufficient and reliable supply of a cleaning agent is particularly important for the supply of cleaning agents in a dishwasher in the commercial sector.
- the object of the present invention is to achieve a reliable and sufficient supply of a product, in particular a cleaning agent, for a device, preferably a dishwasher, in a dispenser of the type mentioned at the beginning.
- This object is achieved according to the invention by a sieve arranged below the knives and convex at the top and a washing chamber formed below the sieve with a spray nozzle arranged therein.
- the induction device achieves a uniform and reliable supply of an agent, preferably a cleaning agent, to a device, for example a commercial dishwasher.
- the induction unit has the further advantage that no moving parts are provided which extend through the housing wall. As a result, there is no risk of leakage.
- the common tip of the knives expediently lies in the central region of the housing.
- an opening of the bottom bag that is as central as possible is achieved.
- the knives In a preferred embodiment of the device, it is proposed to arrange the knives at an angle of approximately 45 ° to the insertion opening.
- the number of knives that the device can have depends essentially on the material from which the bag is made, the content of the bag and the weight of the bag, and on the design of the bag bottom. If two knives are sufficient to open a bag, it is proposed to arrange the knives in one plane.
- the knives are arranged relative to one another such that the angle enclosed by two adjacent knives is the same. This symmetrical arrangement of the knives means that the bag can be opened almost uniformly.
- the knives are sharp-edged, burr-free, preferably thin-walled, sheets. They are largely wear-free, since the cutting effect is not brought about by ground knife edges, but rather by the sharp sheet metal edges, which preferably run downward at an angle of approximately 45 ° from the common tip. This results in a very effective pulling cut. It is suggested that the individual knives too to connect one unit.
- the knives can be connected materially, for example by welding or soldering. The assembly and / or maintenance is facilitated by connecting the knives to form a unit.
- each knife In order to connect the knives to one another, they have a tab below the knife tip.
- the tab can be connected to the neighboring knife by spot welding.
- Each knife is preferably connected to only one tab of an adjacent knife.
- the knives or the knives connected to form a unit on a common carrier can be attached inside the housing.
- the carrier with the knives simplifies handling compared to a design in which the knives are individually fastened in the housing.
- the carrier with the knives can e.g. be connected to the housing in the manner of a bayonet catch.
- the knives connected in one unit consist of at least two parts with slots, the parts being joined to the unit by being pushed into the slots.
- For assembly it is only necessary to put the parts together and insert them as a unit in the device and screw them there.
- a simple and inexpensive production is achieved in this way. When not assembled, the knives take up little space and the costs of warehousing and shipping are reduced.
- This embodiment of the invention also enables particularly transport-safe shipping.
- the upper edges of the common tip form a smaller angle than the lower knife edges to the longitudinal axis of the insertion opening. This makes it easier to pierce the bottom of the bag and the overall height of the induction unit can be reduced.
- the housing have a conical portion which lies between the knives and the sieve.
- FIG. 1 shows a schematic structure of a induction appliance in section
- FIG. 2 shows the induction appliance according to FIG. 1 in a top view
- FIG. 3 shows the dispenser in a side view from the left
- Figure 4 is a knife according to a first embodiment
- Figure 5 two knives according to a second embodiment.
- FIG. 1 shows a induction device with a device for opening bags.
- the device has a housing 1 with an insertion opening 2.
- Four knives 3 are arranged in the housing. Each knife 3 extends obliquely from an edge region of the housing 1 to the insertion opening 2.
- the four knives 3 form a common tip 4.
- Each knife 3 has a fastening tab 5 which is formed essentially perpendicular to the longitudinal extent of the knife.
- the fastening tab 5 is provided with a bore through which a fastening means 6 extends, which engages in a projection 7 formed on the inside of the housing 1.
- a sieve 8 is arranged below the knives.
- the screen 8 is connected to the housing by means of screws 9.
- a dispensing chamber 10 is located below the sieve.
- a spray nozzle projects into the dispensing chamber 10.
- the induction chamber 10 is connected to an outlet opening 12.
- the spray nozzle 11 is connected via a line 13 to a fresh water connection 16.
- a safety valve 14 and a solenoid valve 15 are arranged in line 13.
- the housing 1 has a conical portion 17 between the knives 3 and the sieve 8.
- the knives 3 form an opening cross in the exemplary embodiments shown.
- the individual knives are arranged at an angle of 45 ° to the insertion opening.
- the angle beta enclosed by two adjacent knives is the same.
- Each knife has a tab 19 below the knife tip 18.
- the tab 19 of a knife 3 is bent so that the tab 19 abuts an adjacent knife.
- the tab 19 can be welded to an adjacent knife 3.
- a bag with z. B. introduced a powdery material through the insertion opening 2 into the interior of the housing 1, the common tip 4 of the knife 3 pierces the bag bottom.
- the knives 3 have a cutting edge 20.
- the bottom of the bag is cut into four sectors by the cutting edges 20.
- the bag bottom sectors are folded down by the pressure of the powder.
- the powder trickles out of the bag onto the sieve 8.
- the empty bag can be removed.
- FIG. 5 shows a knife unit with two knives on both sides in the not yet assembled state. In contrast to the knives according to the previous figures, the cutting edge 20 forms an angle of 58 ° with the longitudinal axis of the insertion opening and continues in a non-straight line up to the tip 4.
- the edges forming the common tip 4 form an angle of 30 ° to the longitudinal axis 21 of the insertion opening. This small angle makes it easier to pierce the bottom of the bag. Due to the larger angle of the snow edge 20, the overall height of the opening device can be reduced without having to accept disadvantages when piercing the bottom of the bag.
- support rods can advantageously be provided above the knives 3, which prevent large bags placed in the insertion opening 2 from falling over.
- rectangular tubes are attached to the underside of the induction appliance, into which the fork of a forklift can engage, so that the induction appliance can be transported quickly and easily. These rectangular tubes are also not shown in the figures.
- the induction device according to the invention is not only suitable for opening bags with a solid substance, but also for opening bags with a liquid substance.
Landscapes
- Control And Other Processes For Unpacking Of Materials (AREA)
- Washing And Drying Of Tableware (AREA)
- Treatment Of Fiber Materials (AREA)
- Nozzles (AREA)
- Detergent Compositions (AREA)
- Supplying Of Containers To The Packaging Station (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4432561A DE4432561C2 (en) | 1994-09-13 | 1994-09-13 | Dishwasher with a device for opening bags |
DE4432561 | 1994-09-13 | ||
PCT/EP1995/003435 WO1996008195A1 (en) | 1994-09-13 | 1995-09-01 | Apparatus for introducing a washing agent, provided with a bag-opening device |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0781110A1 true EP0781110A1 (en) | 1997-07-02 |
EP0781110B1 EP0781110B1 (en) | 1999-06-23 |
Family
ID=6528090
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95931231A Expired - Lifetime EP0781110B1 (en) | 1994-09-13 | 1995-09-01 | Apparatus for introducing a washing agent, provided with a bag-opening device |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0781110B1 (en) |
AT (1) | ATE181491T1 (en) |
DE (2) | DE4432561C2 (en) |
DK (1) | DK0781110T3 (en) |
ES (1) | ES2135761T3 (en) |
GR (1) | GR3030664T3 (en) |
WO (1) | WO1996008195A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006061041A1 (en) * | 2004-12-09 | 2006-06-15 | Ecolab Inc. | Detergent dispenser |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT22501B (en) * | 1904-03-21 | 1905-12-27 | Robert Arthur Kellond | Machine for the production of peat briquettes. |
LU36160A1 (en) * | 1958-02-07 | |||
DE1221150B (en) * | 1964-12-01 | 1966-07-14 | Miag Muehlenbau | Method and device for emptying bags |
DE8611862U1 (en) * | 1986-04-30 | 1991-08-08 | Puttfarcken, Ulf, Dipl.-Ing., 2000 Norderstedt | Detergent dosing device for dishwashers |
JPH0631436B2 (en) * | 1988-08-26 | 1994-04-27 | ライオンハイジ−ン株式会社 | Cartridge cleaning agent for cleaning machines |
DE4022276C1 (en) * | 1990-07-12 | 1991-12-19 | Sic Ag, Basel, Ch | Automatic bag opening appts. - has housing with scissor-type blades at bottom, pivoting on axle |
DE4204489C2 (en) * | 1992-02-14 | 1997-07-24 | Ecosan Hygiene Gmbh | Process for the preparation of detergents, cleaners, disinfectants and / or preservatives, recyclable reusable containers, in particular for carrying out the method, reusable containers containing washing, cleaning, disinfecting and / or preserving agents, and use of the reusable container |
-
1994
- 1994-09-13 DE DE4432561A patent/DE4432561C2/en not_active Expired - Fee Related
-
1995
- 1995-09-01 WO PCT/EP1995/003435 patent/WO1996008195A1/en active IP Right Grant
- 1995-09-01 AT AT95931231T patent/ATE181491T1/en not_active IP Right Cessation
- 1995-09-01 DE DE59506280T patent/DE59506280D1/en not_active Expired - Fee Related
- 1995-09-01 EP EP95931231A patent/EP0781110B1/en not_active Expired - Lifetime
- 1995-09-01 DK DK95931231T patent/DK0781110T3/en active
- 1995-09-01 ES ES95931231T patent/ES2135761T3/en not_active Expired - Lifetime
-
1999
- 1999-06-30 GR GR990401750T patent/GR3030664T3/en unknown
Non-Patent Citations (1)
Title |
---|
See references of WO9608195A1 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006061041A1 (en) * | 2004-12-09 | 2006-06-15 | Ecolab Inc. | Detergent dispenser |
JP2008522681A (en) * | 2004-12-09 | 2008-07-03 | イーコラブ インコーポレイティド | Detergent dispenser |
AU2004325528B2 (en) * | 2004-12-09 | 2009-07-23 | Ecolab Inc. | Detergent dispenser |
US8075847B2 (en) | 2004-12-09 | 2011-12-13 | Ecolab Usa Inc. | Detergent dispenser |
Also Published As
Publication number | Publication date |
---|---|
EP0781110B1 (en) | 1999-06-23 |
DE4432561C2 (en) | 1998-04-09 |
ES2135761T3 (en) | 1999-11-01 |
GR3030664T3 (en) | 1999-10-29 |
DK0781110T3 (en) | 2000-01-17 |
ATE181491T1 (en) | 1999-07-15 |
DE59506280D1 (en) | 1999-07-29 |
WO1996008195A1 (en) | 1996-03-21 |
DE4432561A1 (en) | 1996-03-14 |
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