EP2595521A1 - Schlauch für einen staubsauger - Google Patents
Schlauch für einen staubsaugerInfo
- Publication number
- EP2595521A1 EP2595521A1 EP11730953.4A EP11730953A EP2595521A1 EP 2595521 A1 EP2595521 A1 EP 2595521A1 EP 11730953 A EP11730953 A EP 11730953A EP 2595521 A1 EP2595521 A1 EP 2595521A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- hose
- inner diameter
- tube
- vacuum cleaner
- diameter
- 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
- 230000007704 transition Effects 0.000 description 19
- 238000004804 winding Methods 0.000 description 8
- 239000000428 dust Substances 0.000 description 6
- 238000001125 extrusion Methods 0.000 description 6
- 238000004026 adhesive bonding Methods 0.000 description 5
- 238000007664 blowing Methods 0.000 description 5
- 238000011161 development Methods 0.000 description 4
- 230000018109 developmental process Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000004323 axial length Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010101 extrusion blow moulding Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000000926 separation method Methods 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
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/24—Hoses or pipes; Hose or pipe couplings
-
- 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
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/24—Hoses or pipes; Hose or pipe couplings
- A47L9/248—Parts, details or accessories of hoses or pipes
Definitions
- the present invention relates to a one-piece hose for a vacuum cleaner for the transport of dust-laden suction air.
- a vacuum cleaner with a hose is known from the published patent US 1, 892,382 A, whose inner and outer diameter of one end of the
- Hose which is attached to a connection part for a nozzle, gradually increases to the other end of the hose, which is to be attached to the vacuum cleaner.
- German Offenlegungsschrift DE 10 2008 041 231 A1 also discloses a vacuum cleaner unit with a vacuum cleaner hose, the hose inner diameter of which steadily increases from an attachment coupling to a vacuum cleaner coupling.
- the hose inner diameter is here at no point greater than at the vacuum cleaner coupling.
- the invention has for its object to provide an improved hose for a vacuum cleaner.
- a hose with a reduced flow resistance should be able to be provided.
- a hose can be provided, which allows a more comfortable for the user suction.
- a hose for a vacuum cleaner can e.g. a vacuum cleaner nozzle are connected to a vacuum cleaner to pick up dust and transported to the vacuum cleaner.
- one end of the hose with the vacuum cleaner nozzle, a handle or a dust tube and the other end of the hose with a suction port or a suction nozzle of the vacuum cleaner can be connected, usually via a dedicated fixed to the hose fitting, so that the dust-laden suction over the one end, which can be referred to as access, flow into the suction hose and can leave the suction hose again via the other end, which can be referred to as the outlet.
- one end of the hose without attached vacuum cleaner nozzle can be used for dust absorption.
- the hose for a vacuum cleaner is flexible for the user to use the vacuum cleaner nozzle, e.g. a floor nozzle can move relative to the vacuum cleaner without having to move the vacuum cleaner.
- the one-piece tube according to the invention consists of a uniform material and advantageously has the same flexibility along its longitudinal extent. He can e.g. be made by extrusion blowing or winding and gluing a profile strip.
- the inner diameter of the tube is determined by the tube cross-section, which is oriented perpendicular to the longitudinal extent of the tube. If the shape of the tube cross-section deviates from a circle, it is transformed into a circle of equal surface area. To determine the tube cross-section and thus the inner diameter of the inner envelope surface of the tube is considered.
- the inner envelope surface is e.g. at a corrugated hose profile at the points with the lowest locally internal diameter on the hose.
- the average inner diameter of the tube is the integral of the inner diameter of the tube over the length L of the tube divided by the length L of the tube. If a connection area is formed at one or both ends of the hose, this is not taken into account in the determination of the average inner diameter. This means that neither the inner diameter of a connection area during integration nor the length of a connection area is used in determining the length of the connection. ge L be considered. The length L is therefore the length of the portion of the hose that terminates at the ends of the hose or at the connecting portions.
- a connection area is the area at one end of a hose through which the hose can be connected to a vacuum cleaner part.
- the hose may e.g. be introduced over the length of the connection area in a suction opening of the vacuum cleaner.
- the connection area of a hose for a simplified insertion of the hose into the suction opening is cylindrical.
- a vacuum cleaner part may e.g. a connecting piece, a handle, a suction tube, a nozzle or a vacuum cleaner housing.
- "greater than” means at least 10%, preferably 20%, preferably 30%, preferably 40%, preferably 50% "greater than”.
- the inventors have recognized that the flow resistance of the tube can be surprisingly improved by the average internal diameter according to the invention.
- only a minimal increase in material costs for the production of the hose is required in order to achieve a significant reduction of the flow resistance, e.g. up to 35%.
- a reduced noise during suction can be made possible, which can lead to a more comfortable for the user suction.
- a hose according to the invention e.g. may be designed bulbous, by conventional methods, such. be made by winding a profile strip or by extrusion blowing.
- the flow resistance of the hose can be reduced and the hose is also used for conventional vacuum cleaner.
- the inventors have recognized that the flow resistance can be improved if only the region of the tube between the two ends or between the respective connection regions is designed without the ends or the connection rich to change.
- the flow resistance of the hose can thus be reduced independently of the ends and / or of the connection regions of the hose, so that the hose can also be connected to conventional and / or standardized vacuum cleaner parts, such as connecting pieces, handles or nozzles.
- conventional and / or standardized vacuum cleaner parts such as connecting pieces, handles or nozzles.
- an ergonomic use of the hose can be achieved, since the hose can be connected, for example, with a standard handle, which is already optimized in its diameter for handling.
- the inner diameter of the tube is smaller at both ends than the inner diameter at at least one point between the two ends. This means that the tube expands along its length and then rejuvenates, creating a region of increased internal diameter between the ends.
- the inner diameters of the ends of the hose can be identical or differ from each other.
- the average inner diameter of the tubing is greater than the sum of L1 * (D1 + D2) / 2 and L2 * (D2 + D3) / 2 divided by the sum of L1 and L2, considering one tubing area D3 is the inner diameter at one end of the hose portion, L2 is the distance from the end having the inner diameter D3 to a maximum position having the maximum inner diameter D2, and L1 is the distance from the other end of the hose area up to the maximum point. So are at one or both ends of the
- the end of the hose area is considered instead of the end of the hose, which ends at a connection area.
- the sum of L1 and L2 thus gives the length L of the hose, that of the length of the hose area equivalent. If the hose has the maximum inner diameter at more than one point, the maximum point can be any of these points.
- a hose preferred according to the invention has a cylindrical section whose inner diameter is greater than the minimum inner diameter D1.
- This cylindrical section is preferably located between the two ends.
- the length of the cylindrical portion is particularly preferably at least 10% of the length L of the hose. More preferably, the length of the cylindrical portion is at least a multiple of 10% of the length L of the tube, the multiple being an integer between 2 and 9.
- the cylindrical portion adjoins a transition section of the hose.
- the pitch of the hose here is preferably greater than (D2-D1) / L at at least one point of the transition section.
- connection area is formed at the connection area.
- the connection region preferably has an axial length of up to 50 mm.
- the axial length of the connection area may exceed 50 mm.
- the connection area formed at the end of the hose is cylindrical.
- the inner diameter of the cylindrical connection portion corresponds to the inner diameter of the end of the hose.
- the hose has a connection area at both ends. In this embodiment of the invention, both connection regions or only one connection region can be cylindrical.
- a connection region is formed at both ends of the tube, and the tube has a cylindrical section between the two connection regions.
- the length of the cylindrical section may be between 10% and 100% of the length of the area between the two terminal areas.
- the length of the cylindrical section is at least a multiple of 10%, the multiple being an integer between see 2 and 9 can be.
- the multiple being an integer between see 2 and 9 can be.
- Hose between the connection areas and the cylindrical section on a vertical transition The course of the tube is thus stepped in this case.
- the tube may have a vertical transition even if the length of the cylindrical section is less than 100%.
- the inner diameter at one end of the tube is the minimum inner diameter D1.
- the inner diameter of the hose at each point between the two ends is larger than the smaller inner diameter of the two ends.
- the maximum flow rate of the suction air flow is at the end of the hose having the minimum diameter D1, whereby the noise can be further improved.
- both ends of the tube have the same inner diameter.
- a wound hose that is, a hose that has been wound from a profile strip
- the orientation of the winding can be freely determined by selecting the ends. This achieves a further reduction of the flow resistance for the suction air flow.
- a reduced flow resistance for the suction air flow may be e.g. result if the hose has a winding wound in the direction of the suction air flow on the right.
- the inner diameter of the tube at both ends of the minimum inner diameter D1 wherein the inner diameter of the tube at both ends is less than the inner diameter of the tube at each point between the two ends.
- the inner diameters of the ends have different sizes.
- the hose can be used in already existing model series, in which the diameter of the suction opening is increased to optimize the suction power.
- the quotient D1 / D2 exceeds the value 0.64.
- a reduced flow resistance can be achieved with optimum hose geometry.
- the maximum inner diameter D2 is a maximum of 50 mm. Due to an inner diameter of up to 50 mm, a stable hose can be reached and a bend of the
- Hose e.g. during suction operation can be avoided.
- a hose can be easily grasped by the user so that convenient handling of the hose, e.g. for stowing or mounting on the vacuum cleaner can be made possible.
- Such a hose can also ensure that the flow rate is sufficiently high to be able to transport the dust.
- Hose length constant.
- the shape is then constant over the length of the tube if the cross-sectional shapes at each point of the tube are geometrically similar. Due to the constant shape of the tube cross-section, the flow resistance can be further reduced because turbulence due to a changing geometry can be avoided.
- the shape of the tube cross-section is rotationally symmetrical.
- Such a shape can be easily obtained by the usual production methods, e.g. achieve by extrusion blowing.
- the shape of the tube cross-section is circular, which is particularly suitable for the vacuum cleaner operation.
- the cross-sectional surfaces of the tube are arranged coaxially to each other.
- the cross-sectional areas are then coaxial with each other when the centers of gravity are on an axis, the tube being viewed in an extended state.
- the cross-sectional areas are perpendicular to the direction of the suction air flow, wherein the direction of the suction air flow preferably corresponds to the longitudinal extension of the hose.
- the pitch of the tube between the location of the tube with the minimum diameter D1 and the point with the maximum diameter D2 is continuous.
- the pitch of the hose is a function of the inner diameter, which indicates the change in the inner diameter over the length of the hose, ie over the length of the hose.
- the tube therefore has a smooth transition between the point of minimum diameter and the point of maximum diameter.
- this does not mean that the inner diameter of the tube constantly increases or decreases between the point of minimum diameter D1 and the point of maximum diameter D2.
- the pitch of the tube between the two ends of the tube is continuous.
- this can give the impression of a cylindrically shaped hose, which can lead to a higher acceptance of the buyer, to which a cylindrical hose is already known.
- the pitch of the hose between the location of the hose having the minimum diameter D1 and the location having the maximum diameter D2 is discontinuous. This means that the slope of the
- Hose at least at one point between the point of minimum diameter and the point of maximum diameter abruptly changes the value.
- the slope has a discontinuity that may appear as the edge of the tube.
- the inner tube diameter does not necessarily have to constantly increase or decrease from the point of minimum diameter to the point of maximum diameter. Due to the discontinuous slope, the inner volume of the hose can be further increased, which can lead to a further reduction of the flow resistance.
- the present invention makes it possible to provide a hose for a vacuum cleaner, which can have a reduced flow resistance, with simple constructive and inexpensive means.
- a hose with reduced flow resistance can be provided which can replace conventional hoses and be used with conventional vacuum cleaners.
- a hose with reduced noise can be provided, which can lead to a more pleasant suction operation.
- FIG. 1 shows a vacuum cleaner to which a hose according to the invention is coupled
- Figure 2 shows the course of an inner diameter of a hose according to the invention in a first embodiment of the invention.
- FIG. 3 shows the hose profile according to detail A from FIG. 2;
- FIG. 4 shows an alternative hose profile of a second embodiment according to detail A from FIG. 2;
- FIG. 5 shows the course of an inner diameter of a hose according to the invention in a third embodiment of the invention.
- FIG. 6 shows the course of an inner diameter of a hose according to the invention in a fourth embodiment of the invention.
- Fig. 7 shows the course of an inner diameter of a hose according to the invention in a fifth embodiment of the invention.
- FIGS. 1 to 3 show a vacuum cleaner 1 with a hose 10.
- FIG. 2 is a section along the longitudinal extent of the hose 10 and shows the profile of an inner diameter of the hose 10.
- FIG. 3 shows the hose profile according to detail A from FIG.
- the vacuum cleaner 1 is movable by rollers, not shown, on a floor and includes a suction motor, also not shown, which can be set by means of an operating switch 5 in function to generate a negative pressure.
- dust-laden air is generally drawn off from a suction opening 3 of the vacuum cleaner 1, passed through a dust separation unit, not shown, and then blown out again on a grate 7, essentially freed from dust.
- a suction air flow which flows through the hose 10 and the vacuum cleaner in a flow direction 33.
- the vacuum cleaner 1 is equipped with a one-piece, flexible hose 10, which can also be referred to as a vacuum cleaner hose.
- a respective 50 mm long connection portion 23 is formed, on each of which a connection piece 15 can be plugged and connected to the hose 10.
- the connection piece 15 connected to the one-piece hose 10 are not shown in FIG. 2 for reasons of illustration.
- the hose 10 is connected via a connection 15 with the suction port 3 of the vacuum cleaner 1.
- the hose 10 has a hose length 29 of 1600 mm and is uniformly flexible over its entire hose length 29. In this way, the user can move the nozzle or the suction pipe during suction independent of the vacuum cleaner 1, so that a comfortable use of the vacuum cleaner 1 is made possible.
- the hose 10 was produced by winding and gluing a profile strip 31, and consists of according to a material, namely that of the profile strip 31. The shape of the profile strip is shown in FIG. 3.
- the inner diameter of the circular cross-section tube 10 is the minimum inner diameter D1 at both ends 13 of the tube 10, so that the inner diameter of the tube 10 at both ends 13 is smaller than the inner diameter at at least one point between the two ends.
- the inner diameter of the two formed at the ends 13 connecting portions 23 is identical to the inner diameter of the respective end 13 and is 32 mm. Since the inner diameter at the two ends 13 of the hose 10 is identical, the hose 10 may also be used instead of a conventional cylindrical hose whose inner diameter remains constant over its entire length.
- the tube 10 has a cylindrical portion 21 with a length of 700 mm, whose inner diameter is the maximum inner diameter D2 and which is 38 mm.
- the inner diameter of the cylindrical portion 21 is thus larger than the minimum inner diameter D1 at both ends 13 of the tube 10 and the quotient D1 / D2 is 0.84 so that it exceeds 0.64.
- the inner volume of the hose is increased, resulting in a reduced flow velocity of the suction air flow in the cylindrical portion 21. As a result, the flow resistance of the hose 10 is reduced.
- the hose 10 has two transition sections 27 with a length of 400 mm in each case, in which the inner diameter of the hose 10 expands and tapers again in the flow direction 33 of the suction air flow.
- the hose 10 in the flow direction 33 of the suction air flow up to the other end 13 into a connection region 23, a transition section 27, in which the inner diameter of the hose 10 widens, the cylindrical section 21, a transition section 27, in which the inner diameter of the tube 10 tapers again, and a connection region 23 are divided.
- the inner diameter of the tube 10 exceeds the minimum inner diameter D1 in the part of the tube which lies between the two connection regions 23 and which is composed of the cylindrical section 21 and the two transitional sections 27.
- the length L of this part is 1500 mm. Since the tube 10 a cylindrical portion 21, whose inner diameter over a certain length of the tube 10 is constant, the slope of the tube 10 at the two transitional portions 27 and thus at least one point between the two ends of the tube 10 is greater than (D2-D1) / L , In the transitional sections 27, the hose has a pitch deviating from zero, so that the hose expands in a transition section 27 in the flow direction 33 of the suction air flow and tapers in the other transition section 27 in the flow direction 33 of the suction air flow. The inner diameter of the tube 10 thus increases and decreases in the two transition sections 27. To determine the average inner diameter of the hose area is considered, which ends with its two ends 19 at the connection areas 23.
- the average inner diameter of the hose is greater than (D1 + D2) / 2, because in the region of the hose 10 between the two connecting portions 23, which are not taken into account for the determination of the average inner diameter, a cylindrical portion 21 is formed whose inner diameter maximum inner diameter is D2. This will be checked by calculation in the following paragraph.
- the integral of the inner diameter between the two connection areas whose value is 54600 mm 2 is determined first. Subsequently, the value of this integral is divided by the length L of the area between the two terminal portions 23 so as to give an average inner diameter of 36.4 mm which is larger than 35 mm.
- the hose has an edge 37 which is formed by the inclination of the
- Hose 10 between the terminal portions 23 and the transition portions 27 and between the transition portions 27 and the cylindrical portion 21 abruptly changes the value and in the respective transition portion 27 is linear.
- the slope of the tube 10 thus runs discontinuously between the location of the tube 10 with the minimum diameter D1 and the point with the maximum diameter D2.
- the tube cross-section has the shape of a circle, so it is rotationally symmetric.
- the hose length 29 only the inner diameter of the hose 10 changes, That is, the size of the tube cross section, so that the shape of the tube cross section over the tube length 29 is constant.
- the centroid of all cross-sectional areas of the tube 10 lies on the tube axis 35, so that the cross-sectional areas of the tube 10 are arranged coaxially with one another.
- the hose 10 is produced by extrusion blow molding and has a corrugated hose profile.
- Tube cross-section and thus the inner diameter is considered in this case, the inner envelope surface 39 of the tube 10, which abuts the hose 10 at the locations with the lowest local inner diameter.
- the position of the tube axis 35 is shown in Fig. 4, wherein the distance of the tube axis 35 is shown reduced to the inner envelope surface 37.
- the hose 10 between the connecting portions 23 and the cylindrical portion 21 has a smooth transition, wherein the pitch of the hose 10 between the location of the hose with the minimum diameter D1 at the terminal portion 23 and the position with the maximum diameter D2 at the cylindrical portion 21 is continuous.
- the tube 10 can be produced by winding and gluing a profile strip 31, see FIG. 3, or by extrusion blisters, see FIG. 4, FIG. 3 and FIG. 4 showing detail A from FIG. 5.
- the inner diameter of the tube 10 at one end 13 corresponds to the inner diameter of the cylindrical section 21.
- the two ends 13 of the tube 10 therefore have different inner diameters
- the hose 10 has only one transition section 27, in which the inner diameter increases from the minimum inner diameter D1 to the maximum inner diameter D2 in the direction of flow 33 of the suction air flow.
- the tube 10 can be produced by winding and gluing a profile strip 31, see FIG. 3, or by extrusion blowing, see FIG. 4, FIG. 3 and FIG. 4 showing detail A from FIG.
- the inner diameters of the ends 13 have different sizes, the inner diameter of the tube 10 being smaller at both ends 13 than the inner diameter of the tube 10 at the cylindrical portion 21.
- the other end has an inner diameter D3, which is between the minimum inner diameter D1 and the maximum inner diameter D2 and 35 mm.
- the length L of the hose region between the two connection regions 23 is in this case composed of a length L1 and a length L2.
- the hose region with the length L of 1500 mm terminates at the two connection regions 23, and has the minimum diameter D1 at one end 19 and the inner diameter D3 at the other end 19.
- This hose region is composed of the two transitional sections 27 and the cylindrical section 21.
- the length L2 is the distance from the end 19 with the inner diameter D3 to a maximum point 17 with the maximum inner diameter D2.
- the length L1 is the distance from the other end 19 of the hose portion to a maximum point 17 with the maximum inner diameter D2.
- the length L of the hose region between the two connection regions 23 is thus the sum of L1 and L2.
- Hose 10 is greater than the sum of L1 * (D1 + D2) / 2 and L2 * (D2 + D3) / 2, divided by the sum of L1 and L2, since in the hose area between the two connection areas 23, for the determination of the average inner diameter is not taken into account, a cylindrical portion 21 is formed whose inner diameter is the maximum inner diameter D2.
- the hose 10 can be made by winding and gluing a profile strip 31, see FIG. 3, or by extrusion blowing, see FIG. 4, FIG. 3 and FIG. 4 showing detail A from FIG. 7.
- the present invention makes it possible to provide a hose for a vacuum cleaner, which can have a reduced flow resistance, with simple constructive and inexpensive means.
- a hose with reduced flow resistance can be provided which can replace conventional hoses and be used with conventional vacuum cleaners.
- a hose with redu- Admitted noise development can be provided, which can lead to a more pleasant suction operation.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electric Vacuum Cleaner (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE201010031605 DE102010031605B4 (de) | 2010-07-21 | 2010-07-21 | Schlauch für einen Staubsauger |
| PCT/EP2011/061300 WO2012010411A1 (de) | 2010-07-21 | 2011-07-05 | Schlauch für einen staubsauger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2595521A1 true EP2595521A1 (de) | 2013-05-29 |
| EP2595521B1 EP2595521B1 (de) | 2015-03-18 |
Family
ID=44584139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP11730953.4A Not-in-force EP2595521B1 (de) | 2010-07-21 | 2011-07-05 | Schlauch für einen staubsauger |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2595521B1 (de) |
| DE (1) | DE102010031605B4 (de) |
| WO (1) | WO2012010411A1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014109743A1 (de) | 2014-07-11 | 2016-01-14 | Miele & Cie. Kg | Saugschlauch für einen Staubsauger und Staubsauger mit einem solchen Saugschlauch |
| CN107645907B (zh) | 2015-05-28 | 2021-01-29 | 胡斯华纳有限公司 | 改善的声音减小的鼓风机 |
| DE102016214312B4 (de) * | 2016-08-03 | 2024-01-18 | Fränkische Industrial Pipes GmbH & Co. KG | Kunststoffschlauch für ein Sauggerät |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR728370A (fr) * | 1930-12-18 | 1932-07-05 | Inventia Patent Verwert Ges | Conduit flexible d'aspiration ou de soufflage pour appareils de nettoyage par le vide |
| JP2773488B2 (ja) * | 1991-10-18 | 1998-07-09 | 株式会社日立製作所 | 電気掃除機 |
| US20040007278A1 (en) * | 2002-06-06 | 2004-01-15 | Williams Robert M. | Flexible conduit and method for forming the same |
| DE202005011014U1 (de) * | 2005-07-13 | 2005-11-03 | Sieberg, Jürgen Walter | Flexible Saugverlängerung für Staubsauger |
| DE102008041231B4 (de) * | 2008-08-13 | 2015-12-24 | BSH Hausgeräte GmbH | Staubsaugerschlauch und Schlauchaufsatz für einen Staubsauger mit erhöhter Saugleistung |
-
2010
- 2010-07-21 DE DE201010031605 patent/DE102010031605B4/de not_active Expired - Fee Related
-
2011
- 2011-07-05 WO PCT/EP2011/061300 patent/WO2012010411A1/de not_active Ceased
- 2011-07-05 EP EP11730953.4A patent/EP2595521B1/de not_active Not-in-force
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2012010411A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2595521B1 (de) | 2015-03-18 |
| WO2012010411A1 (de) | 2012-01-26 |
| DE102010031605B4 (de) | 2014-01-02 |
| DE102010031605A1 (de) | 2012-01-26 |
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