WO1999026797A1 - Arrangement for creating heat irradiation of a surface - Google Patents

Arrangement for creating heat irradiation of a surface Download PDF

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Publication number
WO1999026797A1
WO1999026797A1 PCT/SE1998/001867 SE9801867W WO9926797A1 WO 1999026797 A1 WO1999026797 A1 WO 1999026797A1 SE 9801867 W SE9801867 W SE 9801867W WO 9926797 A1 WO9926797 A1 WO 9926797A1
Authority
WO
WIPO (PCT)
Prior art keywords
partition wall
box
tracks
main component
behind
Prior art date
Application number
PCT/SE1998/001867
Other languages
French (fr)
Inventor
Birger Ericson
Original Assignee
Fasadteknik International Efo Ab
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
Application filed by Fasadteknik International Efo Ab filed Critical Fasadteknik International Efo Ab
Priority to CA002309616A priority Critical patent/CA2309616C/en
Priority to AT98949291T priority patent/ATE234206T1/en
Priority to EP98949291A priority patent/EP1028856B1/en
Priority to AU95641/98A priority patent/AU9564198A/en
Priority to DE69812144T priority patent/DE69812144T2/en
Priority to US09/554,016 priority patent/US6304721B1/en
Publication of WO1999026797A1 publication Critical patent/WO1999026797A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44D—PAINTING OR ARTISTIC DRAWING, NOT OTHERWISE PROVIDED FOR; PRESERVING PAINTINGS; SURFACE TREATMENT TO OBTAIN SPECIAL ARTISTIC SURFACE EFFECTS OR FINISHES
    • B44D3/00—Accessories or implements for use in connection with painting or artistic drawing, not otherwise provided for; Methods or devices for colour determination, selection, or synthesis, e.g. use of colour tables
    • B44D3/16—Implements or apparatus for removing dry paint from surfaces, e.g. by scraping, by burning
    • B44D3/166—Implements or apparatus for removing dry paint from surfaces, e.g. by scraping, by burning by heating, e.g. by burning
    • B44D3/168—Implements or apparatus for removing dry paint from surfaces, e.g. by scraping, by burning by heating, e.g. by burning by electrically heating

Definitions

  • the device according to this patent also consists of members for controlled vertical and horizontal moving of the carrier along the facade, which makes it possible to reach a reasonably plane rectangular surface.
  • a device for providing heat radiation of a surface, preferably for softening and removing old paint, wherein the heat radiation is intended to be obtained by means of electric resistance wires arranged in a box which opens towards the surface which is intended for treatment, which device is characterized in that the box consists of a main component which is formed by extrusion pressing and which comprises longitudinally extending tracks for mounting of other components forming part of the device, and a lid in each end portion and a longitudinally extending partition wall behind the electric resistance wires.
  • one of the lids is provided with an exhaust opening which communicates with the space behind the partition wall and the other lid is formed with a suction opening located at the open end portion of the box which communicates with the space behind the partition wall.
  • the partition wall supports the electric parts.
  • the partition wall is inserted into longitudinal tracks in the interior wall of the main component.
  • a wave-like reflector is provided in tracks in the interior wall of the main component behind the resistance wires, but in front of the partition wall.
  • the device in order to maintain a suitable distance between the device and the surface which is to be treated, and in order to absorb generated smoke more effectively, it is suitable to provide adjustable distance holders towards the surface which is intended for the heat treatment, said distance holders being in the form of displaceable walls and being provided on each side of the opening of the box towards the surface.
  • Fig. 1 is a side view of a device according to the present invention
  • Fig. 2 is a vertical section of the device according to Fig. 1,
  • Fig. 3 is horizontal section of the device according to the invention.
  • Fig. 4 is a top view of a mounting of three of the devices according to the present invention on a common carrier. PREFERRED EMBODIMENT:
  • Fig. 1 shows a side view of a device according to the present invention having a main component 1 which is formed by extrusion pressing and preferably made of aluminium. At its upper end portion, the device is provided with a lid 2 having a suction opening 3 for smoke, and a lower lid 4 which is provided with a tube dowel 5 for connection to a suction device.
  • a lid 2 having a suction opening 3 for smoke
  • a lower lid 4 which is provided with a tube dowel 5 for connection to a suction device.
  • heat radiates from the device to the left in the drawing, as is indicated by the arrows.
  • two distance holders 6 are provided, one of which, the left in the direction of the radiation, is shown in the drawing.
  • distance holders 6 are made in the form of wall pieces or plates which are in close contact with the surface being treated and, therefore, they enclose the working surface at the sides.
  • the distance holders 6 are provided with slots 7, so that they can be screwed on by means of these and be moved forwards or backwards.
  • the device according to this drawing is provided with a handle unit 8 which has been inserted into tracks on the backside of the main component.
  • the handle unit 8 is fixed to a supporting arm 9.
  • Fig. 2 shows a longitudinal section through the device having mounted lids 2 and 4 and a handle 8.
  • Longitudinal tracks 10 are provided on several locations on the inside and the outside of the main component 1. These tracks are constructed in connection with the extrusion pressing and constitute insertion and mounting brackets for various components .
  • a partition wall 11 In two of these tracks, one on each side of the main component 1, a partition wall 11 has been inserted. This partition wall 11 supports holders 12 for the electric resistance wires 13. For the sake of clarity, the rest of the electric wires and their suspension has been excluded.
  • the electric resistance wires can, however, be replaced by other electric heating devices, such as microwave devices.
  • a blank reflector 14 is provided.
  • the reflector 14 is also inserted into a track on the inside of the main component 1.
  • the lid 2 in the right side of the drawing is intended to form the upper side of the device and fumes are sucked in through the opening 3 in this lid and flow downwards behind the partition wall 11 and out through the lid 4 having a mounted exhaust tube 5.
  • this exhaust tube 5 is connected to some kind of fan which blows the fumes into some kind of purification plant.
  • the course of the fumes is shown with unfilled arrows.
  • the direction of the heat radiation from the device is shown with filled arrows.
  • Fig. 3 shows a horizontal section through the device according to the invention, from which drawing the location of the partition wall 11 and the reflector 14 is apparent. Due to the fact that two wire elements 13 are provided, the reflector 14 has obtained a wave-form which guarantees a concentrated radiation of the surface.
  • a plate 15 for electric devices is provided on the partition wall 11 and on the backside of this.
  • the handle unit 8 is inserted downwards in tracks on the outside of the main component 1, and two distance holders 6 are fastened with screws on each side of the opening of the main component 1 towards the side surface being treated.
  • Fig. 4 shows three devices according to the invention being coupled together to form one single unit.
  • the two outermost devices are provided with handle units 8 and are attached to a bar 16 which in turn is mounted on a manoeuvrable arm.
  • the devices according to the invention are shown from above and are thus only shown through the upper lids 2. Due to the fact that the devices widen out towards the opening, two intermediate pieces 17 have been used in order to attach the various parts to each other. Of course, only one radiation device can also be used.
  • a very simple and quickly assembled device for radiation has been provided, wherein it has been possible to construct said device so that it is very light, it is mounted on an easily manoeuvred member, and so that it can be connected to a suction device which makes the device harmless to the environment.
  • the surface which has been radiated by means of the device according to the invention, which radiation can take place within a period of a few minutes, is subsequently scraped off and cleaned in a very simple manner.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
  • Central Heating Systems (AREA)
  • Resistance Heating (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Constitution Of High-Frequency Heating (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Drying Of Solid Materials (AREA)
  • Direct Air Heating By Heater Or Combustion Gas (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

The invention relates to a device for providing heat radiation of a surface, preferably for softening and removing old paint and drying of moisture, wherein the heat radiation is intended to be obtained by means of electric resistance wires (13) arranged in box which opens towards the surface which is intended for treatment. The device is characterized in that the box consists of a main component (1) which is formed by extrusion pressing and which comprises a longitudinally extending track (10) for mounting of other components (11, 14) forming part of the device, and a lid (2, 4) in each end portion and a longitudinally extending partition wall (11) behind the electric resistance wires (13). One of the lids (4) is provided with an exhaust opening (5) which communicates with the space behind the partition wall (11) and the other lid is formed with a suction opening located at the open end portion of the box which communicates with the space behind the partition wall (11).

Description

FOR THE PURPOSES OF INFORMATION ONLY
Codes used to identify States party to the PCT on the front pages of pamphlets publishing international applications under the PCT.
AL Albania ES Spain LS Lesotho SI Slovenia
AM Armenia FI Finland LT Lithuania SK Slovakia
AT Austria FR France LU Luxembourg SN Senegal
AU Australia GA Gabon LV Latvia SZ Swaziland
AZ Azerbaijan GB United Kingdom MC Monaco TD Chad
BA Bosnia and Herzegovina GE Georgia MD Republic of Moldova TG Togo
BB Barbados GH Ghana MG Madagascar TJ Tajikistan
BE Belgium GN Guinea MK The former Yugoslav TM Turkmenistan
BF Burkina Faso GR Greece Republic of Macedonia TR Turkey
BG Bulgaria HU Hungary ML Mali T Trinidad and Tobago
BJ Benin IE Ireland MN Mongolia UA Ukraine
BR Brazil IL Israel MR Mauritania UG Uganda
BY Belarus IS Iceland MW Malawi US United States of America
CA Canada IT Italy MX Mexico UZ Uzbekistan
CF Central African Republic JP Japan NE Niger VN Viet Nam
CG Congo KE Kenya NL Netherlands YU Yugoslavia
CH Switzerland KG Kyrgyzstan NO Norway ZW Zimbabwe
CI Cδte d'lvoire KP Democratic People's NZ New Zealand
CM Cameroon Republic of Korea PL Poland
CN China KR Republic of Korea PT Portugal
CU Cuba KZ Kazakstan RO Romania
CZ Czech Republic LC Saint Lucia RU Russian Federation
DE Germany LI Liechtenstein SD Sudan
DK Denmark LK Sri Lanka SE Sweden
EE Estonia LR Liberia SG Singapore the Swedish patent 9000763-4. Apart from the radiation member, the device according to this patent also consists of members for controlled vertical and horizontal moving of the carrier along the facade, which makes it possible to reach a reasonably plane rectangular surface.
TECHNICAL PROBLEM:
Although the known device according to what is described above operates satisfactorily, it is heavy and bulky having a weight in the neighbourhood of 4 kilo, and it is awkward to transport. The construction is relatively complicated and it is therefore costly to manufacture. It can not be minimized or enlarged by removal of components and the utilization is consequently limited to such surfaces which, on the one hand, are suitable for the device and, on the other hand, can be reached by the device.
During heating of surfaces with old paint and similar coatings, an evil-smelling and poisonous smoke is produced which consists of decomposition products of the paint or the other coating and partly of the substrate. Due to the fact that this smoke is warm, it rises and diffuses in the environment, by means of which the smoke constitutes a big environmental problem.
SOLUTION:
As a result of this, there has for a long time been a need for developing such a1 device which, on the one hand, has a low weight, permits mounting on a light and variable suspension device and is adjustable as regards its size and, on the other hand, can be manufactured in an easy and reliable manner and is harmless to the environment. Therefore, according to the invention, a device has been developed for providing heat radiation of a surface, preferably for softening and removing old paint, wherein the heat radiation is intended to be obtained by means of electric resistance wires arranged in a box which opens towards the surface which is intended for treatment, which device is characterized in that the box consists of a main component which is formed by extrusion pressing and which comprises longitudinally extending tracks for mounting of other components forming part of the device, and a lid in each end portion and a longitudinally extending partition wall behind the electric resistance wires.
According to the invention, one of the lids is provided with an exhaust opening which communicates with the space behind the partition wall and the other lid is formed with a suction opening located at the open end portion of the box which communicates with the space behind the partition wall.
According to the invention, it is suitable that the partition wall supports the electric parts.
According to the invention, it is suitable that the partition wall is inserted into longitudinal tracks in the interior wall of the main component.
According to the invention, in order to reinforce the heat radiation and the direction of the radiation, it is suitable that a wave-like reflector is provided in tracks in the interior wall of the main component behind the resistance wires, but in front of the partition wall.
According to the invention, in order to maintain a suitable distance between the device and the surface which is to be treated, and in order to absorb generated smoke more effectively, it is suitable to provide adjustable distance holders towards the surface which is intended for the heat treatment, said distance holders being in the form of displaceable walls and being provided on each side of the opening of the box towards the surface.
Furthermore, according to the invention, it is advantageous to provide tracks on the outside of the backside of the box for insertion and mounting of a handle unit.
According to the invention, in order to adjust the size of the device which is intended to radiate a surface, it is suitable that two or more boxes are coupled together beside each other.
BRIEF DESCRIPTION OF THE DRAWINGS: The invention will be further described in the following with reference to the annexed drawings, in which
Fig. 1 is a side view of a device according to the present invention,
Fig. 2 is a vertical section of the device according to Fig. 1,
Fig. 3 is horizontal section of the device according to the invention, and
Fig. 4 is a top view of a mounting of three of the devices according to the present invention on a common carrier. PREFERRED EMBODIMENT:
Fig. 1 shows a side view of a device according to the present invention having a main component 1 which is formed by extrusion pressing and preferably made of aluminium. At its upper end portion, the device is provided with a lid 2 having a suction opening 3 for smoke, and a lower lid 4 which is provided with a tube dowel 5 for connection to a suction device. When the device is utilized, heat radiates from the device to the left in the drawing, as is indicated by the arrows. On each side of the main component 1 towards the surface which is to be treated, two distance holders 6 are provided, one of which, the left in the direction of the radiation, is shown in the drawing. These distance holders 6 are made in the form of wall pieces or plates which are in close contact with the surface being treated and, therefore, they enclose the working surface at the sides. The distance holders 6 are provided with slots 7, so that they can be screwed on by means of these and be moved forwards or backwards. As is apparent, the device according to this drawing is provided with a handle unit 8 which has been inserted into tracks on the backside of the main component. The handle unit 8 is fixed to a supporting arm 9.
Fig. 2 shows a longitudinal section through the device having mounted lids 2 and 4 and a handle 8. Longitudinal tracks 10 are provided on several locations on the inside and the outside of the main component 1. These tracks are constructed in connection with the extrusion pressing and constitute insertion and mounting brackets for various components .
In two of these tracks, one on each side of the main component 1, a partition wall 11 has been inserted. This partition wall 11 supports holders 12 for the electric resistance wires 13. For the sake of clarity, the rest of the electric wires and their suspension has been excluded. The electric resistance wires can, however, be replaced by other electric heating devices, such as microwave devices.
Behind the resistance wires 13 but in front of the partition wall 11, a blank reflector 14 is provided. The reflector 14 is also inserted into a track on the inside of the main component 1.
The lid 2 in the right side of the drawing is intended to form the upper side of the device and fumes are sucked in through the opening 3 in this lid and flow downwards behind the partition wall 11 and out through the lid 4 having a mounted exhaust tube 5. Thus , this exhaust tube 5 is connected to some kind of fan which blows the fumes into some kind of purification plant. In the drawing, the course of the fumes is shown with unfilled arrows. The direction of the heat radiation from the device is shown with filled arrows.
Fig. 3 shows a horizontal section through the device according to the invention, from which drawing the location of the partition wall 11 and the reflector 14 is apparent. Due to the fact that two wire elements 13 are provided, the reflector 14 has obtained a wave-form which guarantees a concentrated radiation of the surface.
As is apparent from the drawing, a plate 15 for electric devices is provided on the partition wall 11 and on the backside of this.
As is apparent, the handle unit 8 is inserted downwards in tracks on the outside of the main component 1, and two distance holders 6 are fastened with screws on each side of the opening of the main component 1 towards the side surface being treated.
Fig. 4 shows three devices according to the invention being coupled together to form one single unit. The two outermost devices are provided with handle units 8 and are attached to a bar 16 which in turn is mounted on a manoeuvrable arm. The devices according to the invention are shown from above and are thus only shown through the upper lids 2. Due to the fact that the devices widen out towards the opening, two intermediate pieces 17 have been used in order to attach the various parts to each other. Of course, only one radiation device can also be used.
Thus, by means of the present invention, a very simple and quickly assembled device for radiation has been provided, wherein it has been possible to construct said device so that it is very light, it is mounted on an easily manoeuvred member, and so that it can be connected to a suction device which makes the device harmless to the environment. The surface which has been radiated by means of the device according to the invention, which radiation can take place within a period of a few minutes, is subsequently scraped off and cleaned in a very simple manner.
The invention is not limited to the embodiment which is described above, but may be varied within the scope of the appended claims.

Claims

CLAIMS :
1. Device for providing heat radiation of a surface, preferably for softening and removing old paint, wherein the heat radiation is intended to be obtained by means of electric resistance wires (13) arranged in a box which opens towards the surface which is intended for treatment, c h a r a c t e r i z e d i n that the box consists of a main component (1) which is formed by extrusion pressing, casting or injection moulding and which comprises longitudinally extending tracks (10) for mounting of other components (11, 14) forming part of the device, and a lid (2, 4) in each end portion and a longitudinally extending partition wall (11) behind the electric resistance wires (13).
2. Device according to claim 1, c h a r a c t e r i z e d i n that one of the lids (4) is provided with an exhaust opening ( 5 ) which communicates with the space behind the partition wall (11) and the other lid (2) is formed with a suction opening ( 3 ) located at the open end portion of the box which communicates with the space behind the partition wall (11).
3. Device according to claim 1, c h a r a c t e r i z e d i n that the partition wall (11) supports the electric parts (12, 13).
4. Device according to any one of claims 1-3, c h a r a c t e r i z e d i n that the partition wall is inserted into longitudinal tracks (10) in the interior wall of the main component ( 1 ) .
5. Device according to any one of claims 1-4, c h a r a c t e r i z e d i n that a wave-like reflector (14) is provided in tracks (10) in the interior wall of the main component (1), behind the resistance wires (13) and in front of the partition wall (11).
6. Device according to any one of claims 1-5, c h a r a c t e r i z e d i n that adjustable distance holders ( 6 ) are provided towards the surface which is intended for heat treatment, said distance holders being in the form of displaceable walls and being provided on each side of the opening of the box towards the surface.
7. Device according to any one of claims 1-6, c h a r a c t e r i z e d i n that tracks are provided on the outside of the backside of the box for insertion and mounting of a handle unit ( 8 ) .
8. Device according to any one of claims 1-7, c h a r a c t e r i z e d i n that two or more devices are coupled together beside each other in order to provide a wide radiation surface.
PCT/SE1998/001867 1997-11-10 1998-10-19 Arrangement for creating heat irradiation of a surface WO1999026797A1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CA002309616A CA2309616C (en) 1997-11-10 1998-10-19 Arrangement for creating heat irradiation of a surface
AT98949291T ATE234206T1 (en) 1997-11-10 1998-10-19 DEVICE FOR HEATING A SURFACE BY HEAT RADIATION
EP98949291A EP1028856B1 (en) 1997-11-10 1998-10-19 Arrangement for creating heat irradiation of a surface
AU95641/98A AU9564198A (en) 1997-11-10 1998-10-19 Arrangement for creating heat irradiation of a surface
DE69812144T DE69812144T2 (en) 1997-11-10 1998-10-19 DEVICE FOR HEATING A SURFACE BY HEAT RADIATION
US09/554,016 US6304721B1 (en) 1997-11-10 1998-10-19 Arrangement for creating heat irradiation of a surface

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9704096A SE510965C2 (en) 1997-11-10 1997-11-10 Device for softening color with heat radiation from resistance wires
SE9704096-8 1997-11-10

Publications (1)

Publication Number Publication Date
WO1999026797A1 true WO1999026797A1 (en) 1999-06-03

Family

ID=20408916

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE1998/001867 WO1999026797A1 (en) 1997-11-10 1998-10-19 Arrangement for creating heat irradiation of a surface

Country Status (8)

Country Link
US (1) US6304721B1 (en)
EP (1) EP1028856B1 (en)
AT (1) ATE234206T1 (en)
AU (1) AU9564198A (en)
CA (1) CA2309616C (en)
DE (1) DE69812144T2 (en)
SE (1) SE510965C2 (en)
WO (1) WO1999026797A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6174388B1 (en) * 1999-03-15 2001-01-16 Lockheed Martin Energy Research Corp. Rapid infrared heating of a surface
US20070001070A1 (en) * 2005-06-29 2007-01-04 Birger Ericson Suspension device for paint removal devices, as well as for removal of varnish and putty, intended to be arranged near or in contact with a wall or another painted surface
US8442391B2 (en) * 2006-06-01 2013-05-14 Speedheater System Ab Device for providing heat radiation of a surface
SE538351C2 (en) 2013-12-13 2016-05-24 Speedheater System Ab Device for applying heat radiation to a surface
US11504996B2 (en) * 2019-03-29 2022-11-22 Nallen Holdings, Llc Paint removal unit
US11370213B2 (en) 2020-10-23 2022-06-28 Darcy Wallace Apparatus and method for removing paint from a surface

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE465768B (en) * 1990-03-05 1991-10-28 Birger Ericson Fasad Ab DEVICE MEASURING REMOVAL LAYERS WITH INFRARED RADIATION

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2221318A (en) * 1936-10-06 1940-11-12 Archie G Worthing Paint removal
US2694135A (en) * 1952-10-03 1954-11-09 Eve M Brockmole Device for softening cement bonding floor coverings to a surface
US3242315A (en) * 1961-12-29 1966-03-22 Hupp Corp Heater and contact structure therefor
US3731055A (en) * 1971-12-15 1973-05-01 Kalglo Electronics Co Inc Radiant heating apparatus
US5590238A (en) * 1990-03-05 1996-12-31 Birger Ericson Fasad Ab Horizontally and vertically movable radiant heater for removing paint from a surface
FR2671859B1 (en) * 1991-01-17 1999-01-22 Moulinex Sa COOKING APPARATUS, FOR EXAMPLE OVEN COMPRISING A PROTECTOR FOR AN ELECTRIC HEATING ELEMENT.
DE4436713B4 (en) * 1994-10-14 2009-10-22 Essler, Karl Hermann Device for drying the surfaces of an object

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE465768B (en) * 1990-03-05 1991-10-28 Birger Ericson Fasad Ab DEVICE MEASURING REMOVAL LAYERS WITH INFRARED RADIATION

Also Published As

Publication number Publication date
SE510965C2 (en) 1999-07-12
CA2309616C (en) 2007-05-15
DE69812144T2 (en) 2003-12-11
AU9564198A (en) 1999-06-15
EP1028856B1 (en) 2003-03-12
SE9704096L (en) 1999-05-11
ATE234206T1 (en) 2003-03-15
EP1028856A1 (en) 2000-08-23
CA2309616A1 (en) 1999-06-03
DE69812144D1 (en) 2003-04-17
US6304721B1 (en) 2001-10-16
SE9704096D0 (en) 1997-11-10

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