WO1993011312A1 - A method and a device for preventing a splash in a toilet - Google Patents

A method and a device for preventing a splash in a toilet Download PDF

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Publication number
WO1993011312A1
WO1993011312A1 PCT/FI1992/000319 FI9200319W WO9311312A1 WO 1993011312 A1 WO1993011312 A1 WO 1993011312A1 FI 9200319 W FI9200319 W FI 9200319W WO 9311312 A1 WO9311312 A1 WO 9311312A1
Authority
WO
WIPO (PCT)
Prior art keywords
water
agent
convex
splash
preventer
Prior art date
Application number
PCT/FI1992/000319
Other languages
French (fr)
Inventor
Seppo Katjo
Pekka Pantsu
Original Assignee
Suomen Sanikot Oy
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
Priority claimed from FI915668A external-priority patent/FI915668A0/en
Application filed by Suomen Sanikot Oy filed Critical Suomen Sanikot Oy
Publication of WO1993011312A1 publication Critical patent/WO1993011312A1/en

Links

Classifications

    • 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

Definitions

  • the invention relates to a method for preventing a splash in a toilet flush space such that the water surface of the flush space and the air space are caused to be separated from each other by means of a splash preventer freely floating on the water surface of the flush space, which preventer stops the falling material on its surface.
  • the invention also relates to a device for preventing the splash and for preventing a solid material from falling directly into the water, which device freely floats on the water surface.
  • the bottom of the flush space is dry before the flushing and the gully hole is relatively small, which yet causes fixing and accumulation of the excrement and easily results in the clogging of the toilet.
  • a plate-like float which may also be provided with a flexible flange, when so desired.
  • the device known from this publication may be formed such that it tapers towards its edges.
  • a disadvantage of these known floats is the fact that they do not turn around in the toilet basin, but the excrement remains on top of them. When flushing the toilet, the excrement is not always entirely removed from the float. For this reason, the floats have not become general in use, although e.g. the Norwegian publication became public as early as the 1920's.
  • the inventive method is characterized in that a splash preventer is used, the upper and lower surface of which are either completely convex or are comprised of convex and/or planar partial surfaces, the edges located therebetween being convex and obtuse, whereby the ratio of the height of the device to its width is at least 0.2, most preferably at least 0.5.
  • the inventive device is characterized in that the upper and lower surface of the device are either completely convex or are comprised of convex and/or planar partial surfaces, the edges located therebetween being convex and obtuse, whereby the ratio of the height of the device to its width is at least 0.2, most preferably at least 0.5.
  • the inventive method a solid material, such as excrement, is prevented from directly falling onto the water surface of the flush space of the toilet, and the inconvenient splash is thus avoided.
  • the water surface and the air space are caused to be separated from each other by means of a device, which stops the falling material before it would cause a splash.
  • the float is designed such that it turns around even due to a minor load eccentrically falling thereon at a certain distance from the turning axis or at least when flushing the toilet. The float thus remains clean.
  • the convex surface also causes the fact that the load falling on the float easily slides off the float.
  • the inventive device also dampens the sound produced during urination, which is important especially at nights when using the toilet.
  • the advantage of the inventive method and device is the fact that it may be applied to toilet basins of a very different type. Further advantages of the invention are that it is economical and causes no damage to environment.
  • the method may be realized in different ways.
  • the easiest and most economical way of the invention is to realize the method by means of a device, wherein the device for preventing the splash is designed into an oval form.
  • the device floats freely on the water surface before flushing.
  • the device may be manufactured totally or partially of a slowly dissolving agent, which, when dissolving in water, brings about an effect cleaning the surfaces and emitting into air a pleasant odour.
  • a slowly dissolving agent which, when dissolving in water, brings about an effect cleaning the surfaces and emitting into air a pleasant odour.
  • Many other materials may also be treated for obtaining the same effect, e.g. by impregnating a porous structure with the material concerned or by closing the material into a hollow inner portion.
  • the cleaning and/or refreshing agent may be dyed such that it deviates from the colour of the body. In this case, the exhaustion of the agent may be readily observed, and the device may be replaced. The replacement is performed by using a plastic disposable glove included in the package.
  • the cleaning and refreshing agent may alternatively be of the same colour as the body of the device. After the cleaning agent has been fixed to part of the outer surface of the device, the part of the surface of the device, which was covered with the cleaning agent before the dissolution of the cleaning agent, may completely deviate from the colour of the remaining surface of the device. It may thus clearly be seen when the cleaning agent has been consumed to such an extent that the device has to be replaced.
  • the colour of the device is preferably blue or green or bluish green. Such a colour against the white surface of the toilet basin increases the visual impression of freshness.
  • the device it is also possible to cause the device to dissolve in water an agent, which dyes the water into the same colour as the device. In this way, the blue or green colour further adds to the feeling of freshness.
  • an agent which dyes the water into the same colour as the device. In this way, the blue or green colour further adds to the feeling of freshness.
  • the dyeing agent may be placed in a float, whereby the dyeing agent transfers from the float directly into water.
  • the .device is preferably formed hollow or porous and such that is floats easily on the water surface. I may be formed into a large number of models and it may be made of several different materials.
  • the splash preventer When the splash preventer is formed shuttle-like and hollow and made of plastic, a space inside it may also be utilized, from which the deodorizing and cleaning agent may be caused to dissolve in the water. Brush-like extensions may also be manufactured of plastic, which, when moving ⁇ in the flushing step, wipe the surfaces of the flushing space.
  • Fig. 1 shows one toilet model in general and a splash preventer
  • Fig. 2-4 show one application of the inventive device seen from the top, side and end, and
  • Fig. 5 and 6 show another application of the inventive device seen from the top and side.
  • Fig. 1 shows a splash preventer 1 floating on the surface of a water mirror 3 of a toilet basin 2.
  • Fig. 2-4 show a device according to a preferred embodiment of the invention.
  • Its body is comprised of a hollow, thin- shelled and closed pontoon 4, which is made of plastic.
  • the rod 6 remains in the recess behind ribs 7.
  • the cleaning and refreshing agent may also be cast into the recesses in the frame.
  • the ribs 7 may also be replaced with fasteners of another type.
  • the device Seen from the top, the device is oval and its length and width are slightly smaller than the length and width of the water mirror of the toilet basin.
  • the height of the device is ca. 0.6 x the width of the device.
  • a sufficient height refers to the fact that the device, when floating, is very instable and easily turns by 180° around its horizontal longitudinal axis A-A.
  • the length of the device is 130 mm, width 100 mm and height 60 mm.
  • Both the upper and lower surfaces of the device are convex. Its edges have also been rounded with a sufficiently large rounding radius r, which ensures the tilting of the device, when excrement falls on its upper surface or the toilet is flushed.
  • the specific weight of the device is in its entirety on an average 0.3 at the highest, which ensures that the water line in a rest position and without a load is always below a horizontal middle level. Then, the cleaning and refreshing agent is always above the water surface in the rest position of the device and no agent will unnecessarily dissolve in the water.
  • the total volume of the pontoon portion is also so large that even when being loaded with fallen excrements it stays sufficiently above the water surface.
  • Fig. 5 and 6 show an alternative solution to the design of the device. In this application, a groove 8 advances around the circumference of the device, in which groove 8 the cleaning and/or refreshing agent is placed.
  • a plastic of the product may be used a decomposing plastic, whereby the float may composted.
  • the form of the device may also be another form, such as a ball.
  • a form corresponding to curved, convex shapes may also be achieved by means of sufficiently small polygons, whose intermediate edges are convex. It is important that no interfaces between the partial surfaces contain concave portions, into which excrements could accumulate. The edges have also to be obtuse, since sharp edges would make the turning-around of the device more difficult. In case there are planar surfaces on the surface, a horizontal level may also remain at the highest portion of the device. However, this horizontal portion has to be so small that it does not prevent the excrement from flowing off the float.
  • upper surface and lower surface refer to surfaces that are upwardly or downwardly oriented when the device floats and is in its rest position.
  • the term “height” relates to the height in this position.
  • the cleaning and refreshing agent may also be totally omitted from the device.

Abstract

The invention relates to method and device (1) for preventing a splash in a toilet flush space. The splash is prevented by inhibiting a solid material from falling directly onto the water surface by means of a splash preventer, which is a shuttle-shaped device floating on the surface (3) of the flush space. The upper and lower surface of the device are either completely convex or are comprised of convex and/or planar partial surfaces, the edges located therebetween being convex and obtuse. The ratio of the height of the device to its width is at least 0.2.

Description

A method and a device for preventing a splash in a toilet
The invention relates to a method for preventing a splash in a toilet flush space such that the water surface of the flush space and the air space are caused to be separated from each other by means of a splash preventer freely floating on the water surface of the flush space, which preventer stops the falling material on its surface.
The invention also relates to a device for preventing the splash and for preventing a solid material from falling directly into the water, which device freely floats on the water surface.
Different toilet flushing methods are known previously, in which the inconvenient splash caused by the falling of excrements may be prevented by using different forms and sizes of the flush space and the gully hole.
In one model, the bottom of the flush space is dry before the flushing and the gully hole is relatively small, which yet causes fixing and accumulation of the excrement and easily results in the clogging of the toilet.
Different devices floating on the water surface of the toilet are also known for preventing the splash.
In the NO patent publication 35105 has been described one such device, in which the edges of a convex, floating body is surrounded by a rubber flange. The purpose of the flange is to prevent the float from damaging the toilet basin.
From the GB application publication 2 077 791 is known a plate-like float, which may also be provided with a flexible flange, when so desired. Alternatively, the device known from this publication may be formed such that it tapers towards its edges. A disadvantage of these known floats is the fact that they do not turn around in the toilet basin, but the excrement remains on top of them. When flushing the toilet, the excrement is not always entirely removed from the float. For this reason, the floats have not become general in use, although e.g. the Norwegian publication became public as early as the 1920's.
The inventive method is characterized in that a splash preventer is used, the upper and lower surface of which are either completely convex or are comprised of convex and/or planar partial surfaces, the edges located therebetween being convex and obtuse, whereby the ratio of the height of the device to its width is at least 0.2, most preferably at least 0.5.
The inventive device is characterized in that the upper and lower surface of the device are either completely convex or are comprised of convex and/or planar partial surfaces, the edges located therebetween being convex and obtuse, whereby the ratio of the height of the device to its width is at least 0.2, most preferably at least 0.5.
In the inventive method, a solid material, such as excrement, is prevented from directly falling onto the water surface of the flush space of the toilet, and the inconvenient splash is thus avoided. In accordance with the invention, the water surface and the air space are caused to be separated from each other by means of a device, which stops the falling material before it would cause a splash. According to the invention, the float is designed such that it turns around even due to a minor load eccentrically falling thereon at a certain distance from the turning axis or at least when flushing the toilet. The float thus remains clean. The convex surface also causes the fact that the load falling on the float easily slides off the float. The inventive device also dampens the sound produced during urination, which is important especially at nights when using the toilet.
The advantage of the inventive method and device is the fact that it may be applied to toilet basins of a very different type. Further advantages of the invention are that it is economical and causes no damage to environment.
The method may be realized in different ways. The easiest and most economical way of the invention is to realize the method by means of a device, wherein the device for preventing the splash is designed into an oval form. The device floats freely on the water surface before flushing.
The device may be manufactured totally or partially of a slowly dissolving agent, which, when dissolving in water, brings about an effect cleaning the surfaces and emitting into air a pleasant odour. Many other materials may also be treated for obtaining the same effect, e.g. by impregnating a porous structure with the material concerned or by closing the material into a hollow inner portion.
The cleaning and/or refreshing agent may be dyed such that it deviates from the colour of the body. In this case, the exhaustion of the agent may be readily observed, and the device may be replaced. The replacement is performed by using a plastic disposable glove included in the package. The cleaning and refreshing agent may alternatively be of the same colour as the body of the device. After the cleaning agent has been fixed to part of the outer surface of the device, the part of the surface of the device, which was covered with the cleaning agent before the dissolution of the cleaning agent, may completely deviate from the colour of the remaining surface of the device. It may thus clearly be seen when the cleaning agent has been consumed to such an extent that the device has to be replaced. The colour of the device is preferably blue or green or bluish green. Such a colour against the white surface of the toilet basin increases the visual impression of freshness.
It is also possible to cause the device to dissolve in water an agent, which dyes the water into the same colour as the device. In this way, the blue or green colour further adds to the feeling of freshness. In previously known devices releasing a cleaning and refreshing agent into the toilet basin, which devices are suspended on the upper edge of the basin, it has not been possible to use such a dyeing agent-, since the dyeing agent would look untidy when flowing along the edges of the basin. According to the invention, the dyeing agent may be placed in a float, whereby the dyeing agent transfers from the float directly into water.
The .device is preferably formed hollow or porous and such that is floats easily on the water surface. I may be formed into a large number of models and it may be made of several different materials.
When the splash preventer is formed shuttle-like and hollow and made of plastic, a space inside it may also be utilized, from which the deodorizing and cleaning agent may be caused to dissolve in the water. Brush-like extensions may also be manufactured of plastic, which, when moving^ in the flushing step, wipe the surfaces of the flushing space.
The invention is next described in detail with reference to the accompanying drawings, wherein:
Fig. 1 shows one toilet model in general and a splash preventer;
Fig. 2-4 show one application of the inventive device seen from the top, side and end, and
Fig. 5 and 6 show another application of the inventive device seen from the top and side. Fig. 1 shows a splash preventer 1 floating on the surface of a water mirror 3 of a toilet basin 2.
Fig. 2-4 show a device according to a preferred embodiment of the invention. Its body is comprised of a hollow, thin- shelled and closed pontoon 4, which is made of plastic. There are recesses 5 at both ends of the frame, which both recesses 5 have a rod 6 comprised of a cleaning and/or refreshing agent. The rod 6 remains in the recess behind ribs 7. The cleaning and refreshing agent may also be cast into the recesses in the frame. The ribs 7 may also be replaced with fasteners of another type.
Seen from the top, the device is oval and its length and width are slightly smaller than the length and width of the water mirror of the toilet basin.
The height of the device is ca. 0.6 x the width of the device. A sufficient height refers to the fact that the device, when floating, is very instable and easily turns by 180° around its horizontal longitudinal axis A-A. According to the preferred embodiment, the length of the device is 130 mm, width 100 mm and height 60 mm.
Both the upper and lower surfaces of the device are convex. Its edges have also been rounded with a sufficiently large rounding radius r, which ensures the tilting of the device, when excrement falls on its upper surface or the toilet is flushed.
The specific weight of the device is in its entirety on an average 0.3 at the highest, which ensures that the water line in a rest position and without a load is always below a horizontal middle level. Then, the cleaning and refreshing agent is always above the water surface in the rest position of the device and no agent will unnecessarily dissolve in the water. The total volume of the pontoon portion is also so large that even when being loaded with fallen excrements it stays sufficiently above the water surface. Fig. 5 and 6 show an alternative solution to the design of the device. In this application, a groove 8 advances around the circumference of the device, in which groove 8 the cleaning and/or refreshing agent is placed.
As a plastic of the product may be used a decomposing plastic, whereby the float may composted.
The invention is not solely limited to the embodiment examples described, but various modifications are possible within the scope of the inventive idea defined in the patent claims.
The form of the device may also be another form, such as a ball.
A form corresponding to curved, convex shapes may also be achieved by means of sufficiently small polygons, whose intermediate edges are convex. It is important that no interfaces between the partial surfaces contain concave portions, into which excrements could accumulate. The edges have also to be obtuse, since sharp edges would make the turning-around of the device more difficult. In case there are planar surfaces on the surface, a horizontal level may also remain at the highest portion of the device. However, this horizontal portion has to be so small that it does not prevent the excrement from flowing off the float.
The terms "upper surface" and "lower surface" used refer to surfaces that are upwardly or downwardly oriented when the device floats and is in its rest position. The term "height" relates to the height in this position.
The cleaning and refreshing agent may also be totally omitted from the device.

Claims

Claims
1. A method for preventing a splash in a toilet flush space such that the water surface of the flush space and the air space are caused to be separated from each other by means of a splash preventer (1) freely floating on the water surface of the flush space, which preventer stops the falling material on its surface, characterized in that when the flushing water is running along the splash preventer (1) , it is caused to dissolve in the water a cleaning and/or air refreshing agent.
2. A method according to Claim 1, characterized in that an agent dyeing the water is caused to dissolve in the water from the splash preventer (1) .
3. A method according to Claim 1 or 2, characterized in that a splash preventer is used, the upper and lower surface of which are either completely convex or are comprised of convex and/or planar partial surfaces, the edges located therebetween being convex and obtuse, whereby the ratio of the height of the device to its width is at least 0.2, most preferably at least 0.5.
4. A method according to any of the Claim 1-3, characterized in that the falling material runs and glides from the surface of the preventer (1) into the water space.
5. A method according to any of the Claim 1-4, characterized in that the splash preventer (1) turns around its horizontal axis (A-A) when the toilet is flushed and/or when a falling material hits at its upper surface at a certain distance from the turning axis.
6. A device for preventing a splash of a toilet flush space and for preventing a solid material from falling directly into the water, which device freely floats on the water surface, characterized in that it is totally or partially comprised of an agent that dissolves slowly, cleans the surfaces and/or refreshes the air.
7. A device according to Claim 6, characterized in that it is hollow or porous.
8. A device according to Claim 6 or 7, characterized in that the water line of the device is below its horizontal middle level.
9. A device according to Claim 8, characterized in that the specific weight of the device is max. 0.3, most preferably 0.12...0.20.
10. A device according to any of the Claims 6-9, characterized in that the cleaning and/or refreshing agent (6) is located on the flank of the device or inside it such that it comes into contact with the flushing water at least in connection with flushing.
11. A device according to Claim 12, characterized in that the cleaning and/or refreshing agent (6) is in the rest position located above the water line .
12. A device according to any of the Claims 6-11, characterized in that it is totally or partially comprised of an agent dyeing the water.
13. A device according to any of the Claims 6-12, wherein part of the device is comprised of an agent that dissolves in water, cleans the surfaces and/or refreshes the air, characterized in that the colour of the agent dissolving in water clearly deviates from the colour of a surface portion of the device covered before the dissolving by the agent dissolving in water.
14. A device according to any of the Claims 6-13, characterized in that the upper and lower surface of the device are either completely convex or are comprised of convex and/or planar partial surfaces, the edges located therebetween being convex and obtuse, whereby the ratio of the height of the device to its width is at least 0.2, most preferably at least 0.5.
15. A device according to Claim 14, characterized in that the area of the horizontal surface at the highest point of the device is max. 1/4 of the area of the horizontal projection of the whole device.
16. A device according to Claim 14 or 15, characterized in that its outer edge is rounded such that the rounded portion of the edge extends at least to half of the height of the device and that the rounding radius (r) relative to the longitudinal axis (A-A) of the device at a perpendicular level is 1/6—1/2, most preferably 1/5—1/2 of the height of the device, whereby the rounded edge possibly has a recess or groove (5, 8) either on a portion of the circumference or along its entire length.
AMENDED CLAIMS
[received by the International Bureau on 20 April 1993 (20.04.93); original claims 1-5, 7-10, 12, 15 and 16 cancelled; claims 6, 11 and 14 replaced by new claim 1; new claims 2 and 3 added; claim 13 replaced by amended claim 4 (1 page)]
1. A device for preventing a splash of a toilet flush space and for preventing a solid material from falling directly into the water, which device freely floats on the water surface, both the upper and lower surface of the device being either completely convex or comprising of convex and/or planar partial surfaces, the edges located therebetween being convex and obtuse, whereby the ratio of the height of the device to its width is at least 0.2, most preferably at least
0.5, and at least part of the device comprising of an agent (6) that dissolves slowly and cleans the surfaces and/or refreshes the air, characterized in that the height of the device is smaller than its width, and that the cleaning and/or refreshing agent (6) is in the rest position located above the water line.
2. A device according to claim 1, characterized in that it is designed into an oval form.
3. A device according to claim l or 2, characterized in that the cleaning and/or refreshing agent (6) is positioned in recesses or in a groove (8) on the circumference of the device.
4. A device according to claim 3, characterized in that the colour of the agent dissolving in water clearly deviates from the colour of a surface portion of the device covered before the dissolving by the agent dissolving in water.
PCT/FI1992/000319 1991-11-29 1992-11-25 A method and a device for preventing a splash in a toilet WO1993011312A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FI915668 1991-11-29
FI915668A FI915668A0 (en) 1991-11-29 1991-11-29 FOERFARANDE OCH ANORDNING FOER ATT HINDRA PLUMSNING I WC.
FI923500A FI89192C (en) 1991-11-29 1992-08-03 Method and apparatus for preventing plumbing in WC
FI923500 1992-08-03

Publications (1)

Publication Number Publication Date
WO1993011312A1 true WO1993011312A1 (en) 1993-06-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FI1992/000319 WO1993011312A1 (en) 1991-11-29 1992-11-25 A method and a device for preventing a splash in a toilet

Country Status (2)

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FI (1) FI89192C (en)
WO (1) WO1993011312A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2316419A (en) * 1996-08-24 1998-02-25 Chuang Hsian Tzuo Method and device for preventing water from splashing in a toilet bowl
ITPG20090005A1 (en) * 2009-02-27 2010-08-28 Marcello Ciai ANTI-SPLASH - ANTISPLASH

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE35379C1 (en) * 1913-08-20
CH403216A (en) * 1963-06-24 1965-11-30 Herzog Kurt Splash guard for toilet
US4010497A (en) * 1974-05-20 1977-03-08 Philip Menter Toilet splash guard
US4062070A (en) * 1976-10-01 1977-12-13 Prince Paul R Toilet urine deflector
GB2077791A (en) * 1980-06-11 1981-12-23 Pang Hian Seng Splash-preventing fitting for water closet pans
FR2642099A1 (en) * 1989-01-24 1990-07-27 Lemellec Rolf Apparatus preventing splashes in WCs
US5031253A (en) * 1990-07-20 1991-07-16 Brendlinger Dirck L Method of making a sanitary toilet anti-splash and silencer device and article produced thereby
EP0506464A2 (en) * 1991-03-27 1992-09-30 Hian Seng Pang An anti-liquid splash device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE35379C1 (en) * 1913-08-20
CH403216A (en) * 1963-06-24 1965-11-30 Herzog Kurt Splash guard for toilet
US4010497A (en) * 1974-05-20 1977-03-08 Philip Menter Toilet splash guard
US4062070A (en) * 1976-10-01 1977-12-13 Prince Paul R Toilet urine deflector
GB2077791A (en) * 1980-06-11 1981-12-23 Pang Hian Seng Splash-preventing fitting for water closet pans
FR2642099A1 (en) * 1989-01-24 1990-07-27 Lemellec Rolf Apparatus preventing splashes in WCs
US5031253A (en) * 1990-07-20 1991-07-16 Brendlinger Dirck L Method of making a sanitary toilet anti-splash and silencer device and article produced thereby
EP0506464A2 (en) * 1991-03-27 1992-09-30 Hian Seng Pang An anti-liquid splash device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2316419A (en) * 1996-08-24 1998-02-25 Chuang Hsian Tzuo Method and device for preventing water from splashing in a toilet bowl
ITPG20090005A1 (en) * 2009-02-27 2010-08-28 Marcello Ciai ANTI-SPLASH - ANTISPLASH

Also Published As

Publication number Publication date
FI89192B (en) 1993-05-14
FI89192C (en) 1993-08-25
FI923500A0 (en) 1992-08-03

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