EP3306026B1 - Roll door - Google Patents
Roll door Download PDFInfo
- Publication number
- EP3306026B1 EP3306026B1 EP17190515.1A EP17190515A EP3306026B1 EP 3306026 B1 EP3306026 B1 EP 3306026B1 EP 17190515 A EP17190515 A EP 17190515A EP 3306026 B1 EP3306026 B1 EP 3306026B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- roll
- door
- side frames
- door panel
- roll bar
- 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.)
- Active
Links
- 208000027418 Wounds and injury Diseases 0.000 description 9
- 230000006378 damage Effects 0.000 description 9
- 208000014674 injury Diseases 0.000 description 9
- 238000004804 winding Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 208000012260 Accidental injury Diseases 0.000 description 1
- 206010019196 Head injury Diseases 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 206010016256 fatigue Diseases 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
- E06B9/08—Roll-type closures
- E06B9/11—Roller shutters
- E06B9/17—Parts or details of roller shutters, e.g. suspension devices, shutter boxes, wicket doors, ventilation openings
- E06B9/17007—Shutter boxes; Details or component parts thereof
- E06B9/1703—Fixing of the box; External plastering of the box
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
- E06B9/08—Roll-type closures
- E06B9/11—Roller shutters
- E06B9/17—Parts or details of roller shutters, e.g. suspension devices, shutter boxes, wicket doors, ventilation openings
- E06B9/17061—Connection of the box to the guides
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
- E06B9/08—Roll-type closures
- E06B9/11—Roller shutters
- E06B9/17—Parts or details of roller shutters, e.g. suspension devices, shutter boxes, wicket doors, ventilation openings
- E06B9/174—Bearings specially adapted therefor
Definitions
- the invention concerns a roll door including a flexible door panel, a roll bar, side frames, mounting flanges for mounting the roll bar above the side frames, a motor, and a top roll cover.
- Roll doors with flexible door panels have been used worldwide for several decades in many applications, such as warehouses, cold stores, clean rooms etc.
- high speed roll doors are an excellent option, since they open and close quickly, they are durable and easy to maintain and repair after a collision.
- Roll doors according to the prior art are suitable for mounting against a wall, around an opening therein, and the surface facing the wall is flat, with the roll bar, onto which the flexible door panel is rolled, mounted on the front of the door.
- the front of the door there may hence be a theoretical risk for injury if a hand etc. were to be inserted in the gap between the door panel and the roll, when the door panel is rolled up on the roll bar.
- most doors are more than 2.5 meters high, and the gap is out of reach, so there is no actual risk of injury.
- roll covers for windows Another area with some similarities with roll doors is roll covers for windows.
- One solution is presented in DE 10 2009 052 010 A1 , in which side part modules for block-bay type roller shutter, used in restoration of old buildings is disclosed.
- the side parts comprising supports that are arranged to support the end of a winding drum, and further a fixing foot, which are fixed at side parts on the window.
- the side parts are connected with the fixing foot by hinge units (33, 36).
- the fixing foot comprises attaching bolts (32, 35) that are arranged in a slide section assembled on the window. The attaching bolts (32, 35) are not attached to the window frame in this solution why a torque may occur when winding the roll cover.
- a roller shutter box which contains a rotary shaft (8) for rolling and/or unrolling the roller shutter, a bearing (7) at each end of the shaft for supporting the shaft in a rotary manner, and side faces (2) at both sides of the roller shutter box, next to the bearings.
- the roller shutter further comprises adjustable positioning means (1) located in the bottom area of the roller shutter box, that is attached to the side faces (2).
- the positioning means (1) is not attached to any supporting beam or frame but are only fitted into side frames (14) located around an opening, why a torque may occur when winding the roll shutter.
- a support device for a roller blind for an opening block assembly has carrying units (P) carrying a shaft (2) of a roller blind (V) towards ends of the shaft.
- Each carrying unit is positioned relatively at an associated slide and supports the shaft and the roller blind in projection towards the exterior of a room of a building.
- a resumption unit (A) resumes an effort on a side of a woodwork (M), and a connection unit connects the resumption unit and the carrying unit for adjusting a gap between the carrying units.
- Mounting flanges (10) for mounting the roller above side frames (9) are not attached to any supporting beams but are only fitted to the side frames (9).
- switches which detect if the door is open, and they may be connected with a safety system which disables the operation of the machines in the enclosure, if the door is open.
- the door panel and the side frames may also be designed to prevent the rolled down door panel from being pushed away from the frame, which would otherwise allow unauthorized access into the enclosure.
- the object of the invention is attained by the roll door according to claim 1, where the mounting flanges are arranged vertically above supporting beams supporting the side frames, respectively.
- Fig. 1 shows a roll door 1 according to the prior art.
- the roll door 1 is provided with two side frames 2, and a top roll cover 3 surrounding an opening 4 in a wall 7 of an enclosure.
- a flexible door panel 5 is provided on a roll inside the top roll cover 3.
- the sides of the flexible door panel 5 are arranged in guides 9 in the side frames 2, in order to keep the door panel 5 in its position even when objects or persons push against the door panel 5.
- a motor 6 is arranged at the side of the top roll cover 3, in order to open and close the door 1 by spinning of the roll, so that the door panel 5 is raised or lowered, respectively.
- the top roll cover 5 extends outwards a distance from the wall 7. Depending on the amount of available space, this fact could be a problem if the available space in front of the enclosure is limited. Depending on the height of the roll door 1, vehicles or people moving closely past the door 1, risk colliding with the protruding top roll cover 5.
- a person may be able to reach into the gap between the door panel 5 and the roll bar onto which the door panel 5 is rolled.
- the door panel 5 is moving towards a raised position, there would be a risk of injury if a person simultaneously reaches into the gap and their hands or other body parts are dragged upwards and get stuck between the door panel 5 and the roll bar.
- a roll door 1a according to the invention is shown.
- the side frames 2, the door panel 5, the motor 6, and the operating switches correspond to that of the prior art.
- the top roll cover 3a according to the invention is no longer positioned so as to protrude in front of the enclosure. Instead the top roll cover 3a and the roll bar inside are both arranged just behind the side frames 2, with the side frames 2 still arranged on the outside of the enclosure, and with the door panel 5 still running in the guides 9.
- the gap between the door panel 5 and the roll bar is now positioned behind the door panel 5, which means that it is not accessible from the outside of the roll door 1, when it is closed.
- the risk of injury is hence eliminated, as the gap would be very hard to reach even when the roll door 1 is open.
- the gap could only be reached by a person standing directly under the door panel 5, in which case all movement of the door panel would be blocked by the safety systems, and all injuries would be prevented for this reason.
- Fig 3 and Fig 4 the roll door 1 according to the prior art and the roll door 1a according to the invention are shown from the side, and the respective positions of the top roll cover 3, 3a and the motor 6 are clearly visible.
- mounting flanges 10 which on one hand are connected to vertical beams 12, 12a, which support the side frames 2, and on the other hand include attachments 11, 11a for the roll bar.
- the attachments 11, 11a, which are visible in Fig. 3 and Fig 4 correspond to the respective positions of the axes of the roll bars.
- the attachments 11 and the axis of the roll bar are positioned a short distance in front of the side frames 2.
- the mounting flanges 10 are connected at their sides with beams 12 whereon the respective side frames 2 are mounted.
- the axis of the roll bar is positioned in alignment with the beams 12a, which also support the side frame 2.
- the mounting flanges 10a at the outer ends of the top roll cover 3a, are connected at their bottom sides with the upper ends of the beams 12a with the side frames 2. Since the attachments 11 and the roll bar are centered above the beams 12a, slightly behind the the side frames 2, there is no torque acting on the connections between the mounting flanges 10a and the side frames 2.
- the roll door 1 according to the invention takes up considerably less space in front of the enclosure. This is an advantage in most locations, and especially if the enclosure is mobile, since it will be easier to store and transport the enclosure.
- Fig 5 shows the side frame 2 and the mounting flange 10 according to the prior art mounted on a vertical beam 12.
- the connection between the mounting flange 10 and the vertical beam 12 is on the side of the vertical beam 12. It is clear that the center of gravity of the roll bar will be in front of the beam 12 and the side frame 2 mounted thereon, as the position of the attachments 11 of the roll bar implies. A torque A will act on the mounting flanges 10.
- the inner part of the periphery of the attachment 11 and hence of the roll bar is aligned with the guide 9 in the side frame 2.
- the door panel 5 will extend below and behind the roll bar, and the gap between the door panel 5 and the roll bar risk being accessible below from the outside.
- the outer periphery of the attachment 11a is aligned with the guide 9 in the side frame 2. This means that the door panel 5 will extend in front of the roll bar, and the gap between them is not accessible, and the risk of injuries is thus eliminated.
- the roll door 1 according to the invention is advantageous over the prior art, due to the eliminated risk of injury, the decreased amount of space needed, and the longer life span of the roll door 1.
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
- Power-Operated Mechanisms For Wings (AREA)
- Support Devices For Sliding Doors (AREA)
Description
- The invention concerns a roll door including a flexible door panel, a roll bar, side frames, mounting flanges for mounting the roll bar above the side frames, a motor, and a top roll cover.
- Roll doors with flexible door panels have been used worldwide for several decades in many applications, such as warehouses, cold stores, clean rooms etc. In applications where people or industrial trucks need to pass the door frequently, high speed roll doors are an excellent option, since they open and close quickly, they are durable and easy to maintain and repair after a collision.
- Roll doors according to the prior art are suitable for mounting against a wall, around an opening therein, and the surface facing the wall is flat, with the roll bar, onto which the flexible door panel is rolled, mounted on the front of the door. At the front of the door, there may hence be a theoretical risk for injury if a hand etc. were to be inserted in the gap between the door panel and the roll, when the door panel is rolled up on the roll bar. However, most doors are more than 2.5 meters high, and the gap is out of reach, so there is no actual risk of injury.
- Another area with some similarities with roll doors is roll covers for windows. One solution is presented in
DE 10 2009 052 010 A1 , in which side part modules for block-bay type roller shutter, used in restoration of old buildings is disclosed. The side parts comprising supports that are arranged to support the end of a winding drum, and further a fixing foot, which are fixed at side parts on the window. The side parts are connected with the fixing foot by hinge units (33, 36). The fixing foot comprises attaching bolts (32, 35) that are arranged in a slide section assembled on the window. The attaching bolts (32, 35) are not attached to the window frame in this solution why a torque may occur when winding the roll cover. - In
DE 19521752 A1 , a roller shutter box is disclosed, which contains a rotary shaft (8) for rolling and/or unrolling the roller shutter, a bearing (7) at each end of the shaft for supporting the shaft in a rotary manner, and side faces (2) at both sides of the roller shutter box, next to the bearings. The roller shutter further comprises adjustable positioning means (1) located in the bottom area of the roller shutter box, that is attached to the side faces (2). The positioning means (1) is not attached to any supporting beam or frame but are only fitted into side frames (14) located around an opening, why a torque may occur when winding the roll shutter. - In document
EP 1916378A2 , a support device for a roller blind for an opening block assembly, is disclosed. The device (D) has carrying units (P) carrying a shaft (2) of a roller blind (V) towards ends of the shaft. Each carrying unit is positioned relatively at an associated slide and supports the shaft and the roller blind in projection towards the exterior of a room of a building. A resumption unit (A) resumes an effort on a side of a woodwork (M), and a connection unit connects the resumption unit and the carrying unit for adjusting a gap between the carrying units. Mounting flanges (10) for mounting the roller above side frames (9) are not attached to any supporting beams but are only fitted to the side frames (9).
In later years, high speed roll doors have been used with machine guards, i. e. as doors into enclosures around welding robots, robots for assembly, or other machines where there is a risk of injury if persons were to access the immediately surrounding area when the equipment is moving. - In the side frames of the roll door, there are switches, which detect if the door is open, and they may be connected with a safety system which disables the operation of the machines in the enclosure, if the door is open.
The door panel and the side frames may also be designed to prevent the rolled down door panel from being pushed away from the frame, which would otherwise allow unauthorized access into the enclosure. - When a roll door is used for machine guard enclosures, they are usually mounted on the outside of the enclosure, with their flat side facing the enclosure.
- The present use of roll doors for machine guard enclosures poses some problems. As the enclosures often are fairly low, the possibility of reaching the gap between the door panel and the roll bar is increased, and accidental injuries may ensue. The low height will also result in an increased risk of head injuries, as the roll bar and its cover project outside the enclosure. Also, the projecting roll bar and its cover may obstruct access to the enclosure e.g. for industrial forklift trucks, when changing tools, etc.
- Mounting the roll door with the roll cover and its frames inside the enclosure would solve some of these problems, at least when there is enough space inside the enclosure. However, it is desirable to mount the side frames on the outside of the enclosure, so that they are accessible from the outside for service and adjustment of the safety switches in the side frames.
- It is hence desirable to invent a roll door that eliminates the risk of injuries outlined above, while the roll door is kept as compact as possible.
- The object of the invention is attained by the roll door according to
claim 1, where the mounting flanges are arranged vertically above supporting beams supporting the side frames, respectively. - The invention will now be described with reference to the enclosed drawings. In the drawings:
- Fig 1
- is a perspective view of a roll door according to the prior art;
- Fig. 2
- is a view according to
Fig 1 of a door according to the present invention; - Fig 3
- is a side view of a roll door according to the prior art, mounted on an enclosure;
- Fig 4
- is a view according to
fig. 3 of a door according to the present invention; - Fig 5
- is a perspective view of a part of the side frame and a mounting flange according to the prior art; and
- Fig 6
- is a view according to
fig. 5 of the side frame and a mounting flange according to the present invention. -
Fig. 1 shows aroll door 1 according to the prior art. Theroll door 1 is provided with twoside frames 2, and atop roll cover 3 surrounding an opening 4 in awall 7 of an enclosure. Aflexible door panel 5 is provided on a roll inside thetop roll cover 3. The sides of theflexible door panel 5 are arranged inguides 9 in theside frames 2, in order to keep thedoor panel 5 in its position even when objects or persons push against thedoor panel 5. - A
motor 6 is arranged at the side of thetop roll cover 3, in order to open and close thedoor 1 by spinning of the roll, so that thedoor panel 5 is raised or lowered, respectively. Next to thedoor 1, there may be operating and safety switches for opening or closing thedoor 1 and for stopping thedoor panel 5 immediately in an emergency. - As seen in
Fig 1 , thetop roll cover 5 extends outwards a distance from thewall 7. Depending on the amount of available space, this fact could be a problem if the available space in front of the enclosure is limited. Depending on the height of theroll door 1, vehicles or people moving closely past thedoor 1, risk colliding with the protrudingtop roll cover 5. - Also, depending on the height of the
roll door 1, a person may be able to reach into the gap between thedoor panel 5 and the roll bar onto which thedoor panel 5 is rolled. When thedoor panel 5 is moving towards a raised position, there would be a risk of injury if a person simultaneously reaches into the gap and their hands or other body parts are dragged upwards and get stuck between thedoor panel 5 and the roll bar. - In
Fig. 2 a roll door 1a according to the invention is shown. Theside frames 2, thedoor panel 5, themotor 6, and the operating switches correspond to that of the prior art. However, thetop roll cover 3a according to the invention is no longer positioned so as to protrude in front of the enclosure. Instead thetop roll cover 3a and the roll bar inside are both arranged just behind the side frames 2, with the side frames 2 still arranged on the outside of the enclosure, and with thedoor panel 5 still running in theguides 9. - The gap between the
door panel 5 and the roll bar is now positioned behind thedoor panel 5, which means that it is not accessible from the outside of theroll door 1, when it is closed. The risk of injury is hence eliminated, as the gap would be very hard to reach even when theroll door 1 is open. The gap could only be reached by a person standing directly under thedoor panel 5, in which case all movement of the door panel would be blocked by the safety systems, and all injuries would be prevented for this reason. - In
Fig 3 and Fig 4 , theroll door 1 according to the prior art and the roll door 1a according to the invention are shown from the side, and the respective positions of thetop roll cover motor 6 are clearly visible. At each outer end of thetop roll cover flanges 10, which on one hand are connected tovertical beams attachments 11, 11a for the roll bar. Theattachments 11, 11a, which are visible inFig. 3 and Fig 4 correspond to the respective positions of the axes of the roll bars. - According to the prior art in
Fig 3 , theattachments 11 and the axis of the roll bar are positioned a short distance in front of the side frames 2. The mountingflanges 10 are connected at their sides withbeams 12 whereon the respective side frames 2 are mounted. As the roll bar carries the weight of thedoor panel 5, there will be a torque force acting on the connection of each mountingflange 10. This means that there is a certain risk of fatigue in the connection and vibrations when thedoor panel 5 is moving. - According to the invention in
Fig 4 , the axis of the roll bar is positioned in alignment with thebeams 12a, which also support theside frame 2. The mountingflanges 10a, at the outer ends of thetop roll cover 3a, are connected at their bottom sides with the upper ends of thebeams 12a with the side frames 2. Since theattachments 11 and the roll bar are centered above thebeams 12a, slightly behind the the side frames 2, there is no torque acting on the connections between the mountingflanges 10a and the side frames 2. - The
roll door 1 according to the invention takes up considerably less space in front of the enclosure. This is an advantage in most locations, and especially if the enclosure is mobile, since it will be easier to store and transport the enclosure. -
Fig 5 shows theside frame 2 and the mountingflange 10 according to the prior art mounted on avertical beam 12. The connection between the mountingflange 10 and thevertical beam 12 is on the side of thevertical beam 12. It is clear that the center of gravity of the roll bar will be in front of thebeam 12 and theside frame 2 mounted thereon, as the position of theattachments 11 of the roll bar implies. A torque A will act on the mountingflanges 10. - Further, the inner part of the periphery of the
attachment 11 and hence of the roll bar is aligned with theguide 9 in theside frame 2. Thedoor panel 5 will extend below and behind the roll bar, and the gap between thedoor panel 5 and the roll bar risk being accessible below from the outside. - In
fig. 6 it is clear how the mountingflange 10a according to the invention is attached on top of thevertical beam 12a. The center of gravity of the roll bar will be aligned with thebeams 12a, and there will be no torque forces acting on the connection between the mountingflange 10a and thebeam 12a. The life span of theroll door 1 is most likely extended. The operation of theroll door 1 will be even smoother than in the prior art, due to the absence of vibrations - Also, the outer periphery of the attachment 11a is aligned with the
guide 9 in theside frame 2. This means that thedoor panel 5 will extend in front of the roll bar, and the gap between them is not accessible, and the risk of injuries is thus eliminated. - On the whole, the
roll door 1 according to the invention is advantageous over the prior art, due to the eliminated risk of injury, the decreased amount of space needed, and the longer life span of theroll door 1. - The invention may be varied within the scope of the claims.
Claims (3)
- Roll door including a flexible door panel (5), a roll bar, side frames (2), mounting flanges (10a) for mounting the roll bar above the side frames (2), a motor (6), and a top roll cover (3a), wherein the mounting flanges (10a) are arranged at the outer ends of the roll cover (3a) and vertically above supporting beams (12a) supporting the side frames (2), respectively, characterized in, that an axis of the roll bar is positioned in alignment with the beams (12a), and the mounting flanges (10a) are connected by means for fastening the mounting flanges (10a) at their bottom sides with upper ends of the beams (12a), which means are arranged below the roll bar in its mounted position.
- Roll door according to claim 1, characterized in that a mass center of the roll bar is centered above each of the supporting beams (12a).
- Roll door according to claim 1 or claim 2, characterized in that the axis of the roll bar is positioned centered behind the side frames, and its periphery is approximately aligned with guides (9) for the door panel (5) in the side frames (2).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202016105520.2U DE202016105520U1 (en) | 2016-10-05 | 2016-10-05 | rolling gate |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3306026A1 EP3306026A1 (en) | 2018-04-11 |
EP3306026B1 true EP3306026B1 (en) | 2019-06-19 |
Family
ID=57961419
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17190515.1A Active EP3306026B1 (en) | 2016-10-05 | 2017-09-12 | Roll door |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3306026B1 (en) |
DE (1) | DE202016105520U1 (en) |
ES (1) | ES2743980T3 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022136087A1 (en) | 2020-12-22 | 2022-06-30 | Assa Abloy Entrance Systems Ab | Roll door unit, roll-up door and use of a roll door unit for covering a door opening |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE2251342A1 (en) | 2022-11-16 | 2024-05-17 | Nordic Door Ab | A control unit and a method performed by a control unit for controlling opening and closing of a roll door |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19521752A1 (en) * | 1995-06-14 | 1996-12-19 | D & M Rolladentechnik Gmbh | Roller shutter box |
FR2907834B1 (en) * | 2006-10-25 | 2017-09-01 | Zurfluh Feller | DEVICE FOR SUPPORTING A ROLLING SHUTTER FOR A BLOCK BAY ASSEMBLY, AND BLOCK BAY EQUIPPED WITH SUCH A DEVICE. |
DE102009052010B4 (en) * | 2009-11-05 | 2012-02-16 | Roma Kg | Renovation roller shutter and side panel module for it |
-
2016
- 2016-10-05 DE DE202016105520.2U patent/DE202016105520U1/en not_active Expired - Lifetime
-
2017
- 2017-09-12 EP EP17190515.1A patent/EP3306026B1/en active Active
- 2017-09-12 ES ES17190515T patent/ES2743980T3/en active Active
Non-Patent Citations (1)
Title |
---|
None * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022136087A1 (en) | 2020-12-22 | 2022-06-30 | Assa Abloy Entrance Systems Ab | Roll door unit, roll-up door and use of a roll door unit for covering a door opening |
Also Published As
Publication number | Publication date |
---|---|
ES2743980T3 (en) | 2020-02-21 |
EP3306026A1 (en) | 2018-04-11 |
DE202016105520U1 (en) | 2017-01-12 |
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