GB2538140A - Suction nozzle for floor vacuum cleaners - Google Patents
Suction nozzle for floor vacuum cleaners Download PDFInfo
- Publication number
- GB2538140A GB2538140A GB1603794.7A GB201603794A GB2538140A GB 2538140 A GB2538140 A GB 2538140A GB 201603794 A GB201603794 A GB 201603794A GB 2538140 A GB2538140 A GB 2538140A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sealing
- base plate
- sliding base
- housing
- carrier
- 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.)
- Withdrawn
Links
- 238000007789 sealing Methods 0.000 claims abstract description 130
- 238000004519 manufacturing process Methods 0.000 claims abstract description 4
- 229920001971 elastomer Polymers 0.000 claims description 19
- 239000000806 elastomer Substances 0.000 claims description 8
- 230000000284 resting effect Effects 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 5
- 229920003023 plastic Polymers 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000011324 bead Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 abstract 2
- 239000005060 rubber Substances 0.000 description 11
- 229920002725 thermoplastic elastomer Polymers 0.000 description 7
- 229920003049 isoprene rubber Polymers 0.000 description 4
- 229920002943 EPDM rubber Polymers 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 229920003048 styrene butadiene rubber Polymers 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229920000181 Ethylene propylene rubber Polymers 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- 239000002174 Styrene-butadiene Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920006124 polyolefin elastomer Polymers 0.000 description 1
- 229920003225 polyurethane elastomer Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000011144 upstream manufacturing 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
- A47L9/02—Nozzles
- A47L9/06—Nozzles with fixed, e.g. adjustably fixed brushes or the like
- A47L9/0633—Nozzles with fixed, e.g. adjustably fixed brushes or the like with retractable brushes, combs, lips or pads
-
- 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
- A47L9/02—Nozzles
-
- 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
- A47L9/02—Nozzles
- A47L9/06—Nozzles with fixed, e.g. adjustably fixed brushes or the like
- A47L9/0666—Nozzles with fixed, e.g. adjustably fixed brushes or the like with tilting, floating or similarly arranged brushes, combs, lips or pads
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Nozzles For Electric Vacuum Cleaners (AREA)
- Sealing Devices (AREA)
Abstract
A suction nozzle for floor vacuum cleaners comprises a housing 1, a sliding base plate 2 and a sealing carrier 4, which is arranged above the sliding base plate 2 in the interior of the housing 1, wherein at least one sealing element 7 is arranged on the sealing carrier 4 and in a functional position for cleaning hard floor surfaces, the sealing carrier 4 is lowered so that the sealing element 7 protrudes beyond the sliding base plate 2. The sealing carrier 4, has a support structure of a hard component 8 and at least one soft component 9, which is connected to the hard component 8 in a materially connected and/or positively connected manner. The soft component 9 rests against the sliding base plate 2 and/or against a surface (12, fig 2a) of the housing 1 with a sealing function, when the sealing carrier 4 is lowered into the functional position for cleaning hard floor surfaces. Alternatively the soft component 9 can be positioned on the housing 1 and/or sliding base plate 2. A method for producing the nozzle is also disclosed.
Description
Suction Nozzle for Floor Vacuum Cleaners The invention relates to a suction nozzle floor vacuum cleaners, which has a housing, a sliding base plate comprising a suction port, and a sealing carrier, which is arranged above the sliding base plate in the interior of the housing and which can be switched between two functional positions, wherein at least one sealing element for coming to rest against a floor surface, which is to be cleaned, is arranged on the sealing carrier, and wherein, in a functional position for hard floor surfaces, the sealing carrier is lowered to such an extent that the sealing element protrudes on the bottom side of the sliding base plate. The suction port, which extends substantially across the entire working width of the suction nozzle at right angles to the direction of movement of the suction nozzle, is not subject to a limitations with regard to the design thereof. It can comprise one or a plurality of channels, in which an absorbed air flow is supplied to a suction opening, which is arranged in the center of the sliding base plate for the most part.
A suction nozzle comprising the above-described features is known from DE 198 06 137 Al. The suction nozzle can be adapted to different floor surfaces by adjusting the sealing carrier. When vacuuming textile floor surfaces, the sliding base plate bears on the floor covering, wherein suction port edges, which form a boundary of the suction port, engage with the carpet pile and define the suction space, to which a low pressure is applied. For vacuuming smooth floors, the sealing carrier is lowered into the functional position for hard floor surfaces, wherein the sealing element, which is embodied as bristle strip, protrudes on the bottom side of the sliding base plate.
Here, there is a risk that an interfering secondary air flow reaches Into the space below the sliding base plate by by-passing the sealing element, and reduces the air flow, which has an effective suction, and impacts the suction effect. To prevent the appearance of a secondary air flow, a rubber lip, which sticks out in an angular manner and which is supported on an upper edge of the sliding base plate on the inner side of the housing or on a wall surface of the housing under elastic deformation by means of an adjusting movement of the sealing carrier, is arranged on the carrier-side end of the bristle strip. The rubber lip consists of a profile strip, which comprises flexible journals, which stick out in an angular manner and which, together with the bristle strip, is clamped into a clamping strip, which is arranged on the sealing carrier. Even though the rubber lip improves the performance characteristics of the suction nozzle, it significantly increases the assembly efforts for producing the sealing carrier.
Against this background, the invention is based on the object of simplifying the sealing carrier of the above-described suction nozzle while maintaining the above-explained sealing function, so that it can be produced in a significantly more cost-effective manner.
A suction nozzle according to one of claims 1 and 3 as well 30 as a method according to claim 11 is the subject matter of the invention and the solution of this object. Preferred embodiments are specified in the dependent subclaims.
According to the invention, the sealing carrier, which is made as integral part, has a support structure of a hard component and at least one soft component, which is connected to the hard component in a materially connected and/or positively connected manner, wherein the soft component rests against the sliding base plate and/or against a surface of the housing with a sealing function, when the sealing carrier is lowered into the functional position for hard floor surfaces. In this context, materially connected may be, for example, integrally bondeded, substance to substance bond, substance bonded or other material bonding. In the case of an integrally bonded connection, the connection partners are held together by means of atomic or molecular forces. The integrally bonded connection is thus a non-releasable connection, for example, which can be established in particular by insert molding a prefabricated body with a plastic or by means of a multicomponent injection molding process. The integrally bonded connection can be supplemented or replaced by means of a form closure. The hard component and the soft component thereby engage with one another such that the soft component is held on the hard component in a captive manner. A positively connected structure includes, for example, form locking, positive fitting and positive locking.
The sealing arrangement according to the invention can also consist of a hard component, which forms a part of the sliding base plate or of the housing, and to which a soft component is fastened in a materially connected and/or positively connected manner. The soft component rests against the sealing carrier with a sealing function, when the sealing carrier is lowered into the functional position for hard floors.
The hard component forms a support structure and can consist of metal or plastic. It is embodied in particular as carrier plate or as rocker on the sealing carrier.
The soft component consists of at least one elastomer and has soft rubber characteristics. The soft component can in particular consist of a rubber, for example an isoprene rubber (IR), styrene-butadiene rubber (SBR) or an M-rubber (EPM, EPDM). Thermoplastic elastomers, which combine the rubbery-elastic characteristics of cross-linked elastomers with the advantage of the thermoplastic processability, are preferred. In particular styrene-based thermoplastic elastomers (TPS), which are suitable for a multicomponent injection molding process and which have a good to very good adhesion, for example with the following plastics: PE, PP, PS, ABS, PA, PPO, PET, are suitable. Polyolefin blends with cross-linked rubber (TPV) are also advantageous as soft component. The rubber soft segments are cross-linked in the case of these thermoplastic elastomers. They have an increased elasticity and stability. They are suitable for seals in a unique way. Other thermoplastic elastomers, for example polyolefin elastomers (TP0) and polyurethane elastomers (TPU) are also possible.
The sealing carrier, the sliding base plate or the surface of the housing can have two or a plurality of soft components, which differ with regard to the material. According to a preferred embodiment of the invention, the sealing carrier, the sliding base plate and/or the housing is a two-component or multicomponent injection molded part.
In the alternative, the hard component can consist of a prefabricated mold, to which the soft component is injected.
The soft component fulfills a sealing function, when the sealing carrier is lowered into the functional position for hard floor surfaces. The seal can occur between the sealing carrier and the sliding base plate or the surface on the inner side of the housing. A combination of both sealing functions is also possible. Preferably, the soft component forms a sealing function on the bottom side of the sealing carrier for resting against a surface of the sliding base plate on the inner side of the housing. For example, the soft component rests against an edge of the sliding base plate, which is directed upwards, when the sealing carrier is lowered into the functional position for hard floor surfaces. In the alternative, the soft component can be arranged on the edge of the sliding base plate, which is directed upwards, and can rest against the bottom side of the sealing carrier so as to form a seal in the hard floor position. The sealing surface can be embodied as flat or profiled surface. It also lies within the context of the invention for the sealing surface to have a movable lip. According to a further advantageous embodiment of the invention, the soft component has a section, which sticks out laterally, which is embodied as sealing lip or sealing bead and which rests against a surface of the housing, when the sealing carrier is lowered into the functional position for hard floor surfaces. Vice versa, a seal, which is embodied in this manner, can also be arranged on the housing and can rest against the sealing carrier.
At least one sealing element for resting against a floor surface, which is to be cleaned, which protrudes on the bottom side of the sliding base plate when the sealing carrier is lowered into the functional position for hard floor surfaces, is also arranged on the sealing carrier.
The sealing element, which protrudes on the bottom side, then rests against the heard floor surface, which is to be cleaned. The sealing element for the seal on the bottom side can be embodied in the manner, which is known per se, as bristle strip, which is fastened to the sealing carrier.
An embodiment of the invention, which is particularly advantageous from an assembly point of view, provides for the sealing element to be a part of the soft component of the sealing carrier and to be connected to the hard component of the sealing carrier in an integrally bonded manner. The sealing element for the seal on the bottom side, which is integrally molded to the sealing carrier, can be made of a different elastomer than the soft component, which seals the sealing carrier against the sliding base late. On the other hand, it is also possible that the sealing element for the seal on the bottom side and that the soft component, which seals the sealing carrier against a surface of the housing, are made of the same material. The sealing carrier can be produced in a cost-effective manner as an integral component, in particular as a multicomponent injection molded part, which has a plurality of sealing surfaces and sealing elements, which are connected to the hard component.
A method for producing a suction nozzle for a floor vacuuming cleaner comprising the above-specified features is also the subject matter of the invention. A support structure of a hard component is thereby provided on the sealing carrier, the sliding base plate or on the housing, and at least one soft component is injected or insert-molded, respectively, to the hard component in a firmly bonded and/or positive manner. In the case of the finally assembled vacuum cleaner nozzle, the soft component arranged in this manner provides a sealing function between the sealing carrier and the sliding base plate and/or an inner surface of the housing, when the sealing carrier is lowered into the functional position for hard floor surfaces.
The invention will be explained below by means of a drawing, which only represents an exemplary embodiment. Schematically: Figs. 1A and 1B show a suction nozzle for floor vacuum cleaners in different functional positions and Figs. 2A and 23 show a further embodiment of the suction nozzle, also in different functional positions.
The suction nozzle illustrated in the figures is intended 40 for floor vacuum cleaners. A housing 1, a sliding base plate 2 comprising a suction port 3, and a sealing carrier 4, which is arranged above the sliding base plate 2 in the interior of the housing 1, belong to the basic set-up of the suction nozzle. The sealing carrier 4 can be adjusted between two functional positions I, II by means of a non-illustrated switching device. In the respective functional position I, which is illustrated in Fig. 1A and Fig. 2A, the suction nozzle is used on textile floor surfaces, for example carpeting and carpets. In the functional position I, the sliding base plate 2 bears on the floor surface. In the functional position I, suction port edges 5, which engage with the carpet pile, define the suction space 6 of the suction nozzle, which is under low pressure. Figs. 113 and 23 show the suction nozzle in a second functional position II, namely in a functional position for hard floor surfaces. In the functional position II for hard floor surfaces, the sealing carrier 4 is lowered to the extent that the sealing elements 7, 7', which are arranged on the sealing carrier 4, protrude on the bottom side of the sliding base plate 2 upstream of and downstream from the suction port 3. The sealing elements 7, 7' shield a space below the sliding base plate 2 against the surrounding area.
The sealing carrier 4 is made as an integral part and has a support structure of a hard component and at least one soft component 9, which is connected to the hard component in an integrally bonded manner. In the exemplary embodiment of Fig. 1A/1B, the soft component 9 rests against the sliding base plate 2 with a sealing function, when the sealing carrier 4 is lowered into the functional position II for hard floor surfaces. In the exemplary embodiment of Fig. 2A/23, the soft component 9 rests again a surface 12 of the housing I, when the sealing carrier 4 is in the functional position II for hard floor surfaces. The hard component 8 consists of metal or plastic. The soft component 9 consists of at least one elastomer comprising soft rubber characteristics. The elastomer can be a rubber, in particular an isoprene rubber IR, styrene-butadiene rubber SBR, an ethylene propylene rubber FPM or an ethylene propylene diene rubber EPDM. Rubbers comprising elastic characteristics, as they are required for seals, are suitable. Preferably, the soft component consists of a thermoplastic elastomer, which combines rubbery-elastic characteristics of cross-linked elastomers with the advantage of a thermoplastic processability. TPS, TPV, TPO and TPU elastomers are particularly suitable.
In the exemplary embodiment of Fig. 1A/1B, the soft component 9 forms a sealing surface on the bottom side of the sealing carrier 4 for resting against a surface of the sliding base plate 2 on the inner side of the housing. The soft component 9 preferably rests against the upper edge 10 of the sliding base plate 2, when the sealing carrier 4 is in the functional position II (Fig. 1B). A sufficient seal, which prevents the penetration of external air into a room below the sliding base plate 2, which is under low suction pressure, in response to vacuuming hard floor surfaces, is attained as a result of the control travel of the sealing carrier 4 in combination with rubbery-elastic characteristics of the soft component 9.
In the exemplary embodiment of Fig. 2A/2R, the soft component 9 has a section, which sticks out laterally, which is embodied as sealing lip or sealing bead 11 and which rests against a surface 12 of the housing 1, when the sealing carrier 4 is lowered into the functional position II for hard floor surfaces.
The sealing carrier 4, which consists of a hard component 8 and at least one soft component 9, can be produced in a cost-effective manner as two-component or multicomponent injection molded part. In the alternative, the hard component 8 can consist of a prefabricated mold, to which the soft component 9 is injected.
In the exemplary embodiment illustrated in Fig. 1A/1B, the sealing element 7, which is intended for resting against a floor surface, which is to be cleaned, consists of a bristle strip, which is fastened to the sealing carrier 4 by means of suitable fastening means, for example a clamping strip 13. It also lies within the scope of the invention for the bristle strip to also be injected by means of an injection molding process in response to the production of the sealing carrier 4.
In the exemplary embodiment illustrated in Fig. 2A/23, the sealing element 7' for sealing on the bottom side is a part of the soft component 9 of the sealing carrier 4 and is connected to the hard component of the sealing carrier in an integrally bonded manner.
Claims (9)
- CLAIMS1. A suction nozzle for floor vacuum cleaners, which has a housing (1), a sliding base plate (2) comprising a suction port (3), and a sealing carrier (4), which is arranged above the sliding base plate (2) in the interior of the housing (1) and which can be switched between two functional positions (I, II), wherein at least one sealing element (7, 7') for coming to rest against a floor surface, which is to be cleaned, is arranged on the sealing carrier (4), and wherein, in a functional position (II) for hard floor surfaces, the sealing carrier (4) is lowered to such an extent that the sealing element (7, 7') protrudes on the bottom side of the sliding base plate (2), characterized in that the sealing carrier (4), which is made as integral part, has a support structure of a hard component (8) and at least one soft component (9), which is connected to the hard component (8) in a materially connected and/or positively connected manner, wherein the soft component (9) rests against the sliding base plate (2) and/or against a surface (12) of the housing (1) with a sealing function, when the sealing carrier (4) is lowered into the functional position for hard floor surfaces.
- 2. The suction nozzle according to claim 1, characterized in that the sealing element (7'), which protrudes on the bottom side of the sliding base plate (2) in the functional position (II) for hard floor surfaces, is a part of the soft component (9) of the sealing carrier (4) and is connected to the hard component (8) of the sealing carrier (4) in a materially connected manner.
- 3. A suction nozzle for floor vacuum cleaners, which has a housing (1), a sliding base plate (2) comprising a suction port (3), and a sealing carrier (4), which is arranged above the sliding base plate (2) in the interior of the housing (1) and which can be switched between two functional positions (I, II), wherein at least one sealing element (7, 7') for coming to rest against a floor surface, which is to be cleaned, is arranged on the sealing carrier (4), and wherein, in a functional position (II) for hard floor surfaces, the sealing carrier (4) is lowered to such an extent that the sealing element (7, 7') protrudes on the bottom side of the sliding base plate (2), characterized in that a surface (12) of the housing (1) and/or the sliding base plate (2) has at least one support structure of a hard component and at least one soft component, which is connected to the hard component in a materially connected and/or positively connected manner, wherein the soft component rests against the sealing carrier (4) with a sealing function, when the sealing carrier (4) is lowered into the functional position for hard floor surfaces.
- 4. The suction nozzle according to one of claims 1 to 3, characterized in that the hard component (6) consists of metal or plastic.
- 5. The suction nozzle according to one of claims 1 to 4, characterized in that the soft component (9) consists of at least one elastomer.
- 6. The suction nozzle according to one of claims 1 to 5, characterized in that the sealing carrier (4), the sliding base plate (2) or the surface (12) of the housing (1) has two or a plurality of soft components (9), which differ with regard to their material.
- 7. The suction nozzle according to one of claims 1 to 6, characterized in that the sealing carrier (4), the sliding base plate (2) or the surface (12) of the housing (1) is embodied as two-component or multicomponent injection molded part.
- 8. The suction nozzle according to one of claims 1 to 6, characterized in that the hard component (8) consists of a prefabricated mold and that the soft component (9) is injected to the mold.
- 9. The suction nozzle according to one of claims 1 to 8, characterized in that the soft component (9) forms a sealing surface on the bottom side of the sealing carrier (4) for resting against a surface of the sliding base plate (2) on the inner side of the housing or forms a sealing surface on a surface of the sliding base plate (2) on the inner side of the housing for resting against the bottom side of the sealing carrier (4).The suction nozzle according to one of claims 1 to 9, characterized in that the soft component (9) has a section, which sticks out laterally, which is embodied as sealing lip or sealing bead (11) and which rests against a surface (12) of the housing (1) or the sealing carrier (4), when the sealing carrier (4) is lowered into the functional position TI for hard floor surfaces.11 A method for producing a suction nozzle for floor vacuuming cleaners comprising a housing (1), a sliding base plate (2) comprising a suction port (3), and a sealing carrier (4), which is arranged above the sliding base plate (2) in the interior of the housing (1) and which can be switched between two functional positions (I, II), wherein at least one sealing element (7, 7') for coming to rest against a floor surface, which is to be cleaned, is arranged on the sealing carrier (4), wherein, in a functional position (II) for hard floor surfaces, the sealing carrier (4) is lowered to such an extent that the sealing element (7, 7') protrudes on the bottom side of the sliding base plate (2), characterized in that a support structure of a hard component (8) is provided on the sealing carrier (4), the sliding base plate (2) or a surface (12) of the housing (1), and that at least one soft component (9) is injected to the hard component (8) in a firmly bonded and/or positive manner, so that the soft component (9) fulfills a sealing function between the sealing carrier (4) and the sliding base plate (2) and/or the surface (12) of the housing (1) in the suction nozzle, when the sealing carrier (4) is lowered into the functional position for hard floor surfaces.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102015103336 | 2015-03-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB201603794D0 GB201603794D0 (en) | 2016-04-20 |
| GB2538140A true GB2538140A (en) | 2016-11-09 |
Family
ID=55859030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1603794.7A Withdrawn GB2538140A (en) | 2015-03-06 | 2016-03-04 | Suction nozzle for floor vacuum cleaners |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE102016103974B4 (en) |
| FR (1) | FR3033241B1 (en) |
| GB (1) | GB2538140A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018059675A1 (en) * | 2016-09-28 | 2018-04-05 | Aktiebolaget Electrolux | Vacuum cleaner nozzle and vacuum cleaner |
| DE102017115299A1 (en) * | 2017-07-07 | 2019-01-10 | Wessel-Werk Gmbh | Glattbodenstaubsaugerdüse |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB881594A (en) * | 1958-09-25 | 1961-11-08 | Electrolux Ltd | Improvements in vacuum cleaners |
| GB1236046A (en) * | 1967-09-06 | 1971-06-16 | Licentia Gmbh | Vacuum-cleaner mouthpiece |
| DE19806137A1 (en) * | 1998-02-14 | 1999-08-19 | Wessel Werk Gmbh | Suction head for vacuum cleaner |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4344596C2 (en) | 1993-12-24 | 1995-12-21 | Gerhard Kurz | Floor nozzle for vacuum cleaners |
| DE59701173D1 (en) | 1997-06-19 | 2000-04-06 | Wessel Werk Gmbh | Scraper element for vacuum cleaner nozzles |
| DE19906137C1 (en) | 1999-02-13 | 2000-07-20 | Wessel Werk Gmbh | Slide plate for vacuum cleaner nozzle has insert in recess or aperture with bottom profile forming active suction flow edge for flow channel |
| SE532299C2 (en) | 2008-04-17 | 2009-12-08 | Electrolux Ab | Nozzle |
| DE102011081838A1 (en) | 2010-11-05 | 2012-05-10 | BSH Bosch und Siemens Hausgeräte GmbH | Suction nozzle, process for their preparation and vacuum cleaner equipped therewith |
-
2016
- 2016-03-04 DE DE102016103974.8A patent/DE102016103974B4/en active Active
- 2016-03-04 FR FR1651838A patent/FR3033241B1/en active Active
- 2016-03-04 GB GB1603794.7A patent/GB2538140A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB881594A (en) * | 1958-09-25 | 1961-11-08 | Electrolux Ltd | Improvements in vacuum cleaners |
| GB1236046A (en) * | 1967-09-06 | 1971-06-16 | Licentia Gmbh | Vacuum-cleaner mouthpiece |
| DE19806137A1 (en) * | 1998-02-14 | 1999-08-19 | Wessel Werk Gmbh | Suction head for vacuum cleaner |
Also Published As
| Publication number | Publication date |
|---|---|
| GB201603794D0 (en) | 2016-04-20 |
| FR3033241A1 (en) | 2016-09-09 |
| FR3033241B1 (en) | 2019-12-20 |
| DE102016103974B4 (en) | 2022-07-28 |
| DE102016103974A1 (en) | 2016-09-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |