EP1362713B1 - Wallpaper removing steamers - Google Patents
Wallpaper removing steamers Download PDFInfo
- Publication number
- EP1362713B1 EP1362713B1 EP02253504A EP02253504A EP1362713B1 EP 1362713 B1 EP1362713 B1 EP 1362713B1 EP 02253504 A EP02253504 A EP 02253504A EP 02253504 A EP02253504 A EP 02253504A EP 1362713 B1 EP1362713 B1 EP 1362713B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- base
- cups
- suction
- vacuum
- wallpaper
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C7/00—Paperhanging
- B44C7/02—Machines, apparatus, tools or accessories therefor
- B44C7/027—Machines, apparatus, tools or accessories for removing wall paper
Definitions
- the present invention relates to wallpaper removing steamers and is concerned with inventive modifications and improvements to the steamer described in my patent specifications no. GB 2336423A and US 6072940.
- the wallpaper remover described in the foregoing patent specifications comprises a base, a steam applicator assembly mounted on the base for dispensing steam upon the receipt thereof, and mounting means coupled to the base for releasably securing the same to a recipient surface.
- the mounting means includes at least one suction cup, and it was preferred to employ four suctions cups at the respective corners of an oblong rectangular base.
- the suction cups are arranged to be mechanically operated by rotatable levers connected to a common actuator arm.
- Such mechanically operated suction cups seal efficiently with smooth planar surfaces. They are commonly employed with panes of glass, for example. However, local areas of wall are often by no means flat, and an effective suction action with all four cups has been found not always to be achieved with the mechanically operated cups.
- a wallpaper remover comprises a base, a steam applicator assembly mounted on the base for dispensing steam on receipt thereof, characterised in that at least one suction cup of concertina form is coupled to the base and adapted to secure the base to a wallpapered surface to help pull the steam applicator in use towards the wallpapered surface through collapsing of the suction cups, each suction cup being connected to a vacuum supply.
- suction cups of a less rigid construction enables suction cups of a less rigid construction to be employed than those which are mechanically operated.
- the suctions cups are preferably each provided with an annular flexible closed-cell foam pad around their mouths to assist in sealing against an irregular surface.
- the vacuum conduits connected to the respective cups are preferably connected to a common vacuum control valve which is preferably mounted on the base.
- the suction cups are preferably linked to a manifold block to distribute and substantially equalise the incoming vacuum thereby ensuring each suction cup has a substantially equal vacuum available to it.
- the manifold block may be a separate unit or formed as part of the base.
- the supply conduits to the vacuum cups may be respective passages formed in the base, or they may be respective vacuum tubes mounted on the base and connecting the respective cups with the vacuum control valve.
- Each conduit may be provided with a filter means to restrict the inward flow of air and debris.
- the vacuum control valve preferably comprises a thumb-operable valve actuator mounted on a handle fast with the base, whereby the user whilst holding the handle can operate the valve with his or her thumb.
- the housing of the vacuum control valve may be a self-contained housing which is mounted on the base, or it may be an integral part of the base.
- a pump, generator or any suitable device generates the vacuum to the unit.
- the vacuum-generating device may be powered electrically or by air or by any other means.
- the vacuum-generating device is preferably a separate unit but may be mounted on, in or as part of the base or steam applicator.
- a wallpaper removing steamer 1 comprises an oblong-rectangular base plate 2 to the upper surface of which is secured a handle 3.
- the underside of the base plate 2 is provided with a shallow recess 5 of uniform depth to define a peripheral skirt 4, and four suction cups 6 are mounted on the underside adjacent to the respective corners of the base plate 2.
- a steam applicator assembly takes the form of a metal steam pipe 7 closed at one end 8 and provided with five longitudinally spaced-apart, downwardly directed steam outlet ports 9, the free end 10 of pipe 7 extending through skirt 4 and being coupled at 11 to a flexible steam supply pipe 12.
- the suction cups 6 each comprise a tubular attachment boss 13 integral with a concertina bellows portion 14, the outwardly-flared mouth 15 of which is adhesively bonded to an annular pad 16 of a flexible closed-cell foam material for effecting a good airtight seal with a wallpapered surface.
- Each suction cup 6 has its boss 13 secured in a respective stepped through-bore 16' in base plate 2, the smaller diameter part of the bores 16' accommodating the remote ends of respective vacuum supply pipe 17, 18. 19, 20 connected to a manifold block 21 mounted on the upper surface of the base plate 4. Pipes 17 to 20 extend across the upper surface of the base plate 2 and clear of the handle 3.
- Manifold block 21 in addition to providing a manifold connection to pipes 17 to 20 incorporates a vacuum valve unit 22 which is interposed between the manifold and a vacuum supply pipe 24.
- the vacuum valve is arranged in one condition to connect the manifold, and hence the interiors of the four suction cups, with the vacuum supply pipe 24, and in another condition to isolate the vacuum supply pipe 24 and to connect the manifold with atmosphere, thereby to disable the suction force of the cups 6.
- the bellows portion 14 of the suction cups is made of a relatively flexible material such as a thermoplastic rubber or silicon to allow the cups 6 to fit against a relatively uneven surface.
- the resilience of the sealing pads 16, and the flexibility of the bellows portion 14, enable the cups to seal efficiently with a non-flat surface.
- the flexibility of the suction cups 6 enables an individual cup to seat on a locally uneven surface, but moreover to accommodate different levels of surface as between one cup and another.
- positioning the actuator button 30 in-line with the handle 3 facilitates thumb operation of the button 30 using the hand that is holding the handle.
- the valve actuator button 30 is positioned towards the opposite end of the base plate 2 from the steam supply pipe 12 and vacuum supply hose 24.
Landscapes
- Treatment Of Fiber Materials (AREA)
- Paper (AREA)
- Cleaning By Liquid Or Steam (AREA)
- Cleaning In General (AREA)
Abstract
Description
- The present invention relates to wallpaper removing steamers and is concerned with inventive modifications and improvements to the steamer described in my patent specifications no. GB 2336423A and US 6072940.
- The wallpaper remover described in the foregoing patent specifications comprises a base, a steam applicator assembly mounted on the base for dispensing steam upon the receipt thereof, and mounting means coupled to the base for releasably securing the same to a recipient surface. The mounting means includes at least one suction cup, and it was preferred to employ four suctions cups at the respective corners of an oblong rectangular base. The suction cups are arranged to be mechanically operated by rotatable levers connected to a common actuator arm.
- Such mechanically operated suction cups seal efficiently with smooth planar surfaces. They are commonly employed with panes of glass, for example. However, local areas of wall are often by no means flat, and an effective suction action with all four cups has been found not always to be achieved with the mechanically operated cups.
- According to the present invention a wallpaper remover comprises a base, a steam applicator assembly mounted on the base for dispensing steam on receipt thereof, characterised in that at least one suction cup of concertina form is coupled to the base and adapted to secure the base to a wallpapered surface to help pull the steam applicator in use towards the wallpapered surface through collapsing of the suction cups, each suction cup being connected to a vacuum supply.
- The use of a vacuum supply enables suction cups of a less rigid construction to be employed than those which are mechanically operated.
- The use of more compliant cups can facilitate self-adjustment of the cups to an uneven wall surface.
- The suctions cups are preferably each provided with an annular flexible closed-cell foam pad around their mouths to assist in sealing against an irregular surface.
- The vacuum conduits connected to the respective cups are preferably connected to a common vacuum control valve which is preferably mounted on the base.
- The suction cups are preferably linked to a manifold block to distribute and substantially equalise the incoming vacuum thereby ensuring each suction cup has a substantially equal vacuum available to it. The manifold block may be a separate unit or formed as part of the base.
- The supply conduits to the vacuum cups may be respective passages formed in the base, or they may be respective vacuum tubes mounted on the base and connecting the respective cups with the vacuum control valve. Each conduit may be provided with a filter means to restrict the inward flow of air and debris.
- The vacuum control valve preferably comprises a thumb-operable valve actuator mounted on a handle fast with the base, whereby the user whilst holding the handle can operate the valve with his or her thumb.
- The housing of the vacuum control valve may be a self-contained housing which is mounted on the base, or it may be an integral part of the base.
- A pump, generator or any suitable device generates the vacuum to the unit. The vacuum-generating device may be powered electrically or by air or by any other means. The vacuum-generating device is preferably a separate unit but may be mounted on, in or as part of the base or steam applicator.
- Two wallpaper steamers in accordance with the invention will now be described, by way of example only, with reference to the accompanying drawings in which:
- Figure 1 is a plan view of a first wallpaper steamer in accordance with the invention shown connected to a remote vacuum pump unit;
- Figure 2 is an underplan view of the steamer of Figure 1;
- Figure 3 is a side elevation of the steamer of Figure 1;
- Figures 4 and 5 are a side elevation and vertical cross-section respectively of a vacuum sucker used with the steamer of Figure 1; the sucker being shown in a relaxed, unloaded condition;
- Figure 6 is a plan view of a second wallpaper steamer in accordance with the invention; and
- Figures 7 and 8 are front and side views respectively of the steamer of Figure 6 in operation secured by suction to a wallpapered surface.
- With reference to Figures 1 to 3, a wallpaper removing steamer 1 comprises an oblong-
rectangular base plate 2 to the upper surface of which is secured a handle 3. The underside of thebase plate 2 is provided with ashallow recess 5 of uniform depth to define aperipheral skirt 4, and foursuction cups 6 are mounted on the underside adjacent to the respective corners of thebase plate 2. - A steam applicator assembly takes the form of a
metal steam pipe 7 closed at oneend 8 and provided with five longitudinally spaced-apart, downwardly directedsteam outlet ports 9, thefree end 10 ofpipe 7 extending throughskirt 4 and being coupled at 11 to a flexiblesteam supply pipe 12. - As shown in Figures 4, 5 the
suction cups 6 each comprise atubular attachment boss 13 integral with aconcertina bellows portion 14, the outwardly-flaredmouth 15 of which is adhesively bonded to anannular pad 16 of a flexible closed-cell foam material for effecting a good airtight seal with a wallpapered surface. - Each
suction cup 6 has itsboss 13 secured in a respective stepped through-bore 16' inbase plate 2, the smaller diameter part of the bores 16' accommodating the remote ends of respectivevacuum supply pipe manifold block 21 mounted on the upper surface of thebase plate 4.Pipes 17 to 20 extend across the upper surface of thebase plate 2 and clear of the handle 3. - Manifold
block 21 in addition to providing a manifold connection topipes 17 to 20 incorporates avacuum valve unit 22 which is interposed between the manifold and avacuum supply pipe 24. - The vacuum valve is arranged in one condition to connect the manifold, and hence the interiors of the four suction cups, with the
vacuum supply pipe 24, and in another condition to isolate thevacuum supply pipe 24 and to connect the manifold with atmosphere, thereby to disable the suction force of thecups 6. - The
bellows portion 14 of the suction cups is made of a relatively flexible material such as a thermoplastic rubber or silicon to allow thecups 6 to fit against a relatively uneven surface. The resilience of thesealing pads 16, and the flexibility of thebellows portion 14, enable the cups to seal efficiently with a non-flat surface. - Once a
sealing pad 16 has engaged with a surface, thepad 16 will be sucked against the surface, to effect a seal between the mouth of the cup and the wallpapered surface, thereby to permit a further reduction in pressure in thecavity 25 defined by the cup. The reduction in pressure incavity 25 tends to cause thebellows portions 14 of the cups to collapse, thereby pulling thebase plate 2 towards the surface. This will cause thesteam pipe 7 andskirt 4 to be moved closer to the wallpapered surface, thereby helping to confine the steam to the area of wallpaper beneath base plate. - The flexibility of the
suction cups 6 enables an individual cup to seat on a locally uneven surface, but moreover to accommodate different levels of surface as between one cup and another. - It will be appreciated that positioning the
actuator button 30 in-line with the handle 3 facilitates thumb operation of thebutton 30 using the hand that is holding the handle. - In Figures 6 to 8 parts corresponding to the steamer of Figures 1 to 5 have been given corresponding reference numerals. Essentially the main differences between the unit of Figures 6 to 8 compared with that of Figures 1 to 5 are that, in the second unit, the
vacuum supply pipes base 2. - The
valve actuator button 30 is positioned towards the opposite end of thebase plate 2 from thesteam supply pipe 12 andvacuum supply hose 24.
Claims (7)
- A wallpaper remover (1) comprising a base (2), a steam applicator assembly mounted on the base (2) for dispensing steam on receipt thereof, characterised in that at least one suction cup (6) of concertina form is coupled to the base (2) and adapted to secure the base (2) to a wallpapered surface to help pull the steam applicator in use towards the wallpapered surface through collapsing of the suction cup (6), each suction cup (6) being connected to a vacuum supply.
- A wallpaper remover (1) as claimed in claim 1 in which there is a plurality of the suction cups (6).
- A wallpaper remover (1) as claimed in claim 2 in which the suctions cups (6) are each provided with an annular flexible closed-cell foam pad (16) around their mouths (15).
- A wallpaper remover (1) as claimed in any of the preceding claims having vacuum conduits (17, 18, 19. 20) connected to the respective cups (6), the vacuum conduits (17, 18, 19, 20) being connected to a common vacuum control valve (22).
- A wallpaper remover (1) as claimed in claim 4 in which the vacuum control valve (22) is mounted on the base (2).
- A wallpaper remover (1) as claimed in claim 4 or claim 5 in which the suction cups (6) are linked to a manifold block (21) to distribute and substantially equalise the incoming vacuum to each suction cup (6).
- A wallpaper remover (1) as claimed in claim 5 in which the vacuum control valve (22) comprises a thumb-operable valve actuator (30) mounted on a handle (3) fast with the base (2), the arrangement being such that the user whilst holding the handle (3) can operate the valve (24) with his or her thumb.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE60209444T DE60209444T2 (en) | 2002-05-17 | 2002-05-17 | Steam apparatus for removing wallpaper |
EP02253504A EP1362713B1 (en) | 2002-05-17 | 2002-05-17 | Wallpaper removing steamers |
AT02253504T ATE318721T1 (en) | 2002-05-17 | 2002-05-17 | STEAM APPARATUS FOR REMOVAL OF WALLPAPERS |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02253504A EP1362713B1 (en) | 2002-05-17 | 2002-05-17 | Wallpaper removing steamers |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1362713A1 EP1362713A1 (en) | 2003-11-19 |
EP1362713B1 true EP1362713B1 (en) | 2006-03-01 |
Family
ID=29266011
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02253504A Expired - Lifetime EP1362713B1 (en) | 2002-05-17 | 2002-05-17 | Wallpaper removing steamers |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1362713B1 (en) |
AT (1) | ATE318721T1 (en) |
DE (1) | DE60209444T2 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5972067B2 (en) * | 2012-06-21 | 2016-08-17 | 東洋機械金属株式会社 | Fixing jig |
CN114771143B (en) * | 2022-03-05 | 2023-12-12 | 温州强宏建材有限公司 | Indoor wall paper pastes equipment |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2642055A1 (en) * | 1989-01-20 | 1990-07-27 | Radiotechnique Compelec | |
US6072940A (en) * | 1998-04-16 | 2000-06-06 | Doran; Kevin George | Wallpaper remover with suction cups |
GB2370101B (en) * | 2000-12-14 | 2005-03-16 | Kevin George Doran | Wallpaper removing steamers |
-
2002
- 2002-05-17 DE DE60209444T patent/DE60209444T2/en not_active Expired - Lifetime
- 2002-05-17 EP EP02253504A patent/EP1362713B1/en not_active Expired - Lifetime
- 2002-05-17 AT AT02253504T patent/ATE318721T1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
ATE318721T1 (en) | 2006-03-15 |
DE60209444D1 (en) | 2006-04-27 |
DE60209444T2 (en) | 2006-11-16 |
EP1362713A1 (en) | 2003-11-19 |
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