Light-tight door

Abstract

To create a particularly elegant light-colored door (10) that is also perfectly suited as a bedroom door, the invention provides a door (10) with a flush door leaf (16) and a frame (14) to which at least one sealing strip (22) is attached for sealing a door gap (42) between the door leaf (16) and the frame, wherein the frame (14) has a light color on a surface that is visible at least when the door (10) is open, wherein a first partial area (24) of the sealing strip (22) extending along the sealing strip (22), which forms an externally visible surface of the sealing strip (22), is made of a first material (28), and a second partial area (28) of the sealing strip (22) extending along the sealing strip (22) is made of a second material (30), wherein the first material (26) has a higher light reflection factor and a lower light absorption factor than the second material (30).

Description

[0001] The invention relates to a door with a flush door leaf and a frame, to which at least one sealing strip is attached for sealing a gap between the door leaf and the frame. The invention also relates to the use of a sealing strip for such a door.

[0002] For technological background and state of the art, reference is made to the following literature: [1] "Technical Handbook Basic Knowledge Doors", Hörmann KG Sales Company (Publisher), Edition 1 / 2019, available to order online at www.hoermann.de [2] Company publication "Interior Doors" of Hörmann KG Sales Company with the imprint "Status 07.2020 / Print 07.2020 / HF 86734 de / P.xxx", downloaded online on 23.11.2020. [3] GB 2 490 560 A [4] GB 2 309 249 A [5] DE 44 21 804 A [6] GB 2 352 262 A

[0003] Glazing systems are known from [4] to [6] in which a glass pane is held against a glazing frame, with a static seal in the form of a sealing strip provided between the glass pane and a glass-holding area of ​​the glazing frame. In the glazing system known from [4], an outer area of ​​the static sealing strip is white to match a white glazing frame, while an inner area of ​​the sealing strip, visible from the other side through the glass pane, is black so that dirt accumulating there is less visible against the black background. In [5] it is disclosed to co-extrude the elastomer seal with a remaining area of ​​the glazing frame made of plastomer so that the plastomer-formed members of the glazing frame can be welded together.In [6], in addition to the static seal with differently colored sections already mentioned above and also disclosed in [4], a dynamic seal with differently colored sections is also provided between a frame and a movable sash of the glazing designed as a window or door. While the plastic frame is white, the visible area of ​​the dynamic seal is black to provide visual feedback as to whether the seal is present and intact.

[0004] From [3] a blunt-shaped, multi-leaf swing door for nursing homes is known.

[0005] As can be seen from [1], p. 79, the most commonly used types of doors are hinged doors (also called swing doors), which have a door leaf, here called a door leaf, mounted around a vertical axis on a door frame, usually by hinges. Besides rebated doors with door leaves that have a thick or thin rebate, there are flush doors, which have a flush door leaf, i.e., a door leaf that is not rebated on its narrow sides.

[0006] A door with the features of the preamble of claim 1 is known from [2], embodiments on pages 1, 10 (left side), 13 (left side), 14, 38, 70 (paragraph 3), and 74-77, as well as in the overview table on pages 94 and 95, lines "flush square" and p. 96 top right. As can be seen from [2], p. 13, a flush-fitting door with a flush door leaf offers an exclusive door appearance with an almost flush transition between the door leaf and the frame. This type of door is therefore particularly desirable for doors, especially interior doors, that are intended to have a very elegant appearance. For this purpose, a light color, such as a white or light gray tone, is often desired for the surface of the door—and, in accordance with the desired uniform flush appearance, for both the door leaf and the frame.In keeping with the high-quality, uniform appearance, a correspondingly uniform light color is also desired across the entire visible surface of the frame, which also carries the door seal, usually in the form of a sealing strip.

[0007] In practice, even perfectly installed and adjusted doors of this type are often criticized for not being completely lightproof, especially when used as bedroom doors. Light from adjacent rooms can still shine through the gap despite the perfect fit of the sealing strips and the usual step in the frame where the sealing strip is mounted and against which the door leaf abuts.

[0008] Such translucency is not considered a defect in a door according to current standards, meaning that a customer surprised by this effect is not entitled to free rectification. Therefore, it is currently advisable to inform customers of this potential drawback when ordering such a door. Existing solutions to eliminate this effect include choosing a rebated door or a dark door seal; however, both of these result in the destruction or at least impairment of the desired high-quality appearance.

[0009] The invention aims to create a door with a long-lasting, high-quality, elegant, bright appearance and greater customer satisfaction when used as a bedroom door.

[0010] To solve this problem, the invention provides a door according to claim 1. The use of a sealing strip for this purpose is the subject of the dependent claim. Advantageous embodiments are the subject of the subclaims.

[0011] According to a first aspect thereof, the invention provides a door with a flush door leaf and a frame to which at least one sealing strip is attached for sealing a door gap between the door leaf and the frame, wherein the frame has a light color on a surface that is visible at least when the door is open, wherein a first part of the sealing strip extending along the sealing strip, which forms a substantial externally visible surface of the sealing strip, is made of a first material and a second part of the seal extending along the sealing strip is made of a second material, wherein the first material has a higher light reflection factor and a lower light absorption factor than the second material.

[0012] It is preferred that the first material has a lighter shade and the second material a darker shade.

[0013] It is preferred that the visible surfaces of the door leaf and the frame have the light color.

[0014] It is preferred that the light color of the frame or door and / or the color of the first material be selected from a group of lighter shades including white, yellow, light gray, beige, as well as the RAL colors 1000, 1001, 1002, 1003, 1004, 1005, 1006, 1007, 1012, 1013, 1014, 1015, 1016, 1017, 1018, 1021, 1023, 1026, 1028, 1033, 1034, 1037, RAL 2000, RAL 2003, RAL 2007, RAL 2008, RAL 3012, RAL 3015, RAL 3024, RAL 3026, RAL 6019, RAL 6021, RAL 6027, RAL 3034, RAL 6038, RAL 7030, RAL 7035, RAL 7038, RAL 7044, RAL 7047, RAL 8020, RAL 9001. RAL 9002. RAL 9003, RAL 9006, RAL 9010, RAL9016, RAL 9018, RAL9020.

[0015] It is preferred that the color of the second material be selected from the group of darker shades, including black, dark gray, and the following RAL colors: RAL 1016, RAL 3007, RAL 3032, RAL 4004, RAL 4007, RAL 5004, RAL 5008, RAL 5011, RAL 5022, RAL 5026, RAL 6008, RAL 6009, RAL 6012, RAL 6015, RAL 6022, RAL 7000, RAL 7002, RAL 7005, RAL 7006, RAL 7008, RAL 7009, RAL 7010, RAL 7011, RAL 7012, RAL 7013, RAL 7015, RAL 7016, RAL 7018, RAL 7021, RAL 7022, RAL 7024, RAL 7026, RAL 7031, RAL 7033, RAL 7039, RAL 7043, RAL 7046, RAL 7048, RAL 8001, RAL 8007, RAL 8011, RAL 8012, RAL 8014, RAL 8015, RAL 8016, RAL 8019, RAL 8022, RAL 8027, RAL 8028, RAL 9004, RAL 9005, RAL 9017, RAL 9021.According to a further aspect, the invention provides a sealing strip for such a door according to one of the preceding embodiments, comprising a first partial area extending over the length of the sealing strip made of a first material and a second partial area extending over the length of the sealing strip made of a second material, wherein the first material has a higher light reflection factor and a lower light absorption factor than the second material.

[0016] It is preferred that the first material has a lighter shade and the second material a darker shade.

[0017] It is preferred that the color of the first material be selected from a group of lighter shades, including white, yellow, light gray, beige, as well as the RAL colors 1000, 1001, 1002, 1003, 1004, 1005, 1006, 1007, 1012, 1013, 1014, 1015, 1016, 1017, 1018, 1021, 1023, 1026, 1028, 1033, 1034, 1037, 2000, and 2003. 2007, RAL 2008, RAL 3012, RAL 3015, RAL 3024, RAL 3026, RAL 6019, RAL 6021, RAL 6027, RAL 3034, RAL 6038, RAL 7030, RAL 7035, RAL 7038, RAL 7044, RAL 7047, RAL 8020, RAL 9001. RAL 9002. RAL 9003, RAL 9006, RAL 9010, RAL9016, RAL 9018, RAL9020.

[0018] It is preferred that the color of the second material be selected from the group of darker shades, including black, dark gray, and the following RAL colors: RAL 1016, RAL 3007, RAL 3032, RAL 4004, RAL 4007, RAL 5004, RAL 5008, RAL 5011, RAL 5022, RAL 5026, RAL 6008, RAL 6009, RAL 6012, RAL 6015, RAL 6022, RAL 7000, RAL 7002, RAL 7005, RAL 7006, RAL 7008, RAL 7009, RAL 7010, RAL 7011, RAL 7012, RAL 7013, RAL 7015, RAL 7016, RAL 7018, RAL 7021, RAL 7022, RAL 7024, RAL 7026, RAL 7031, RAL 7033, RAL 7039, RAL 7043, RAL 7046, RAL 7048, RAL 8001, RAL 8007, RAL 8011, RAL 8012, RAL 8014, RAL 8015, RAL 8016, RAL 8019, RAL 8022, RAL 8027, RAL 8028, RAL 9004, RAL 9005, RAL 9017, RAL 9021.

[0019] It is preferred that the first and second materials are both plastic, and that the second material corresponds to the first material with added color pigments.

[0020] It is preferred that the sealing strip is formed by co-extrusion of at least the first and the second material.

[0021] It is preferred that the sealing strip, viewed in cross-section, has a foot area for attachment to a longitudinal groove of the frame and a lip area for forming at least one elastic sealing lip, wherein the lip area has an outer surface area for contact with the door leaf when the door is closed and a support body area for supporting the surface area, and wherein the surface area forms the first sub-area and the second sub-area is formed on or by the support body area.

[0022] It is preferred that the second section extends over at least a large part of the door gap when the door is closed.

[0023] According to the invention, the door is designed as a flush-fitting swing door.

[0024] According to the invention, the door is designed as an interior door for use as a bedroom door.

[0025] According to the invention, it is further provided that the door leaf is formed from a continuous panel without joints or window cutouts.

[0026] It is preferred that the door leaf and / or the frame are made from wood-based materials.

[0027] Advantageous embodiments of the invention relate to a door seal that is intended to be "lightproof." The "light transmission" through the material is a recurring complaint from customers, particularly with flush doors and bedroom doors, regardless of the actual profile shape of the seal. Achieving the "lightproof" property has thus far been difficult simply by changing the profile shape of the seal, especially since the profile shape is chosen based on other requirements such as ease of installation, good sound insulation, good insulation against drafts, and adaptation to the door shape.

[0028] Especially with white seals, light can "shine through" the material, even though the seal is in complete contact with the surfaces. The light is reflected back and forth within the white material of the seal and thus transmitted through it.

[0029] In advantageous embodiments of the invention, this problem is solved by adding color to parts of the seal.

[0030] The extrusion die for manufacturing the sealing strip is designed as a so-called co-extrusion die (alternatively also as a tri-extrusion die). During manufacturing, different colors are injected through the die simultaneously.

[0031] Co-extrusion tools are already known in the extrusion sector for combining sealing strips with sections made of materials with different Shore hardnesses. However, the problem of "lightproofness" has not yet been addressed in this context.

[0032] The sealing geometries, in particular the cross-sectional shapes of the sealing strip, can vary considerably. Preferably, the section that forms the visible surface when viewing the installed sealing strip – usually the outer section – is made of a light-colored material adapted to the appearance of the surroundings of the sealing strip, i.e., the color of the frame and / or the door leaf, while a section below or behind it, which preferably extends across the door gap when the sealing strip is compressed in the closed state of the door, is made of a darker-colored material.

[0033] This occurs regardless of the seal shape and regardless of whether certain sealing parts vary in hardness or whether additional material (e.g., an expansion thread) is incorporated into the seal.

[0034] For exterior colors, all white shades (e.g. RAL 1013, RAL 1014, RAL 1015, RAL 9001, RAL 9002, RAL 9003, RAL 9010, RAL 9016) and also light grey tones (e.g. RAL 7035, RAL 7044, RAL 7047) are preferably considered.

[0035] To achieve the necessary light tightness, black colors or dark gray tones are advantageous in at least one inner or rear section.

[0036] However, this could also be achieved with other colors, since seals made of colors other than white or light grey are usually very lightproof by their very nature.

[0037] In contrast, the essential, visible part of the seal is preferably designed in a lighter, preferably white, shade.

[0038] Exemplary embodiments of the invention are explained in more detail below with reference to the accompanying drawings. These show: Fig. 1 shows a schematic cross-sectional view through a section of a door with a sealing strip according to an exemplary embodiment, and Figs. 2 to 7 each show a schematic cross-sectional view of the sealing strip for the door of Fig. 1 according to different embodiments.

[0039] Fig. 1 Figure 1 shows a horizontal cross-section through a door 10 in the form of an interior door, such as those used for rooms, including at least one bedroom, in an apartment, a house, or a hotel. The door 10 is designed as a flush-mounted swing door (for the definition see [1]) and has a frame 14 attached to a wall 12 and a door leaf 16 pivotally connected to the frame 14 about a vertical axis by means of hinges (not shown). The door leaf 16 is flush-mounted.

[0040] The frame 14, for example, is designed as a wrap-around frame. At least each vertically arranged frame member 17 of the frame 14 has a stepped recess 18 into which the door leaf 16, with its narrow side area 20, is completely received in the closed state of the door 10 shown. This results in the following on the Fig. 1 The hinge side of the door 10 shown below shows an essentially flush transition between the door leaf 16 and the frame 14.

[0041] Of the two vertically arranged frame members 17, only one is shown; in the area of ​​the other frame member, the door 10 is essentially a mirror image of the one shown in the diagram. Fig. 1 The upper area of ​​door 10, formed on the door lintel, can also be designed accordingly, as shown in the diagram. Fig. 1 The upper horizontal frame member 17 must be formed.

[0042] The door leaf 16 is essentially formed from a seamless and lightproof panel, which is fitted in the usual manner with door fittings not shown, such as hinges, door handles and possibly a lock, such as a mortise lock.

[0043] In a preferred embodiment, the frame 14 and the door leaf 16 are essentially made of coated wood-based materials, as shown and described in more detail in reference [2]. The main color of the coating in the embodiments of interest here is a light color, in particular a white color. Other examples of such a light color are a yellow shade, a light gray shade, a beige shade, as well as the colors RAL 1000, RAL 1001, RAL 1002, RAL 1003, RAL 1004, RAL 1005, RAL 1006, RAL 1007, RAL 1012, RAL 1013, RAL 1014, RAL 1015, RAL 1016, RAL 1017, RAL 1018, RAL 1021, RAL 1023, RAL 1026, RAL 1028, RAL 1033, RAL 1034, RAL 1037, RAL 2000, RAL 2003, RAL 2007, RAL 2008, RAL 3012, RAL 3015, RAL 3024, RAL 3026, RAL 6019, RAL 6021, RAL 6027, RAL 3034, RAL 6038, RAL 7030, RAL 7035, RAL 7038, RAL 7044, RAL 7047, RAL 8020, RAL 9001. RAL 9002. RAL 9003, RAL 9006, RAL 9010, RAL9016, RAL 9018, RAL9020.Of course, the door can have several such color tones, e.g. in the form of a pattern, a grain or the like.

[0044] Accordingly, the door 10 with frame 14 and door leaf 16 has an overall light color.

[0045] On the step flank 21 of the step recess 18 against which the door leaf 16 moves towards closing, a seal in the form of a sealing strip 22 is provided for each frame member 17, of which different embodiments are described in detail in the Figures 2 to 7 is shown.

[0046] The sealing strip 22 is designed to be elastic at least in certain areas and is made in particular of plastic or similar extrudable elastic materials.

[0047] The sealing strip 22 has an outer first sub-section 24, which in the installed state, as shown in Fig. 1The first sub-area 24, which is essentially visible from the outside, is formed from a first material 26 whose main color is a light shade that corresponds as closely as possible to the main color of the frame 14. In particular, the first material 26 is a plastic material colored throughout in a white or light gray shade (or in one of the other light shades specified above).

[0048] The sealing strip 22 further comprises a second section 28 made of a second material 30, which has a higher light absorption capacity and a lower light reflection capacity compared to the first material 26. Preferably, the second material 30 has a darker shade than the first material 26. In particular, the second material is a plastic material colored throughout in the darker shade.

[0049] In a preferred embodiment, the second material 30 differs from the first material 26 only by the addition of dark color pigments. Examples of darker shades include black, dark gray, and the following RAL colors: RAL 1016, RAL 3007, RAL 3032, RAL 4004, RAL 4007, RAL 5004, RAL 5008, RAL 5011, RAL 5022, RAL 5026, RAL 6008, RAL 6009, RAL 6012, RAL 6015, RAL 6022, RAL 7000, RAL 7002, RAL 7005, RAL 7006, RAL 7008, RAL 7009, RAL 7010, RAL 7011, RAL 7012, RAL 7013, RAL 7015, RAL 7016, RAL 7018, RAL 7021. RAL 7022, RAL 7024, RAL 7026, RAL 7031, RAL 7033, RAL 7039, RAL 7043, RAL 7046, RAL 7048, RAL 8001, RAL 8007, RAL 8011, RAL 8012, RAL 8014, RAL 8015, RAL 8016, RAL 8019, RAL 8022, RAL 8027, RAL 8028, RAL 9004, RAL 9005, RAL 9017, RAL 9021.

[0050] The sealing strip 22 can have different profile designs, which are described in the Figs. 2 to 7 The cross-sectional contour shown here is only an example.

[0051] In particular, the sealing strip 22 has a base 32, which serves for attachment to the corresponding door element – ​​here the frame 14 – and a lip 34, which, when closed, seals against the other door element – ​​here, for example, the door leaf 16 – and is elastically deformed in the process. The base 32 and the lip 34 can be co-extruded from different plastic materials with varying hardness and / or elasticity.

[0052] The foot section 32 can have a base 32a from which a mounting flange 32b projects. The mounting flange 32b can, in particular, be pressed into a sealing groove 15 of the frame 14 in order to detachably attach the sealing strip 22 to the frame 14.

[0053] The lip area 34 preferably has at least one sealing lip 36, 38 and may also have at least one hollow chamber 40.

[0054] The first sub-area 24 is formed in particular on at least one sealing lip 36 and, in the case of multiple sealing lips, at least on one outer sealing lip 36. The second sub-area 28 is also formed at least partially on the lip area 34; it can also extend over other areas of the sealing strip 22, such as, in particular, the base area 32.

[0055] The second section 28 is positioned behind the first section 24 when viewed from the outside, so that it is not visible from the outside when installed. Its function is to make the light-colored sealing strip 22 lightproof when the door 10 is closed.

[0056] In particular, the second sub-area 28 is arranged in the lip area in such a way that, in the closed state of the door 10 and thus in the compressed state of the lip area 34, it bridges at least a large part of the door gap 42 remaining between the door leaf 16 and the frame 14.

[0057] As in Fig. 2 As shown, it may be sufficient if the second sub-area 28 is only formed on a support strut 44 of a sealing lip 36. Figs. 3 to 7 Further possible arrangements and propagations of the second sub-area 28 are shown. In general, the second sub-area 28 should be arranged in such a way that light is prevented from being conducted through the door gap by reflection in the seal. Various examples of this are shown in the Figs. 2 to 7 depicted.

[0058] The first sub-section 24 and the second sub-section 28 are formed by co-extrusion of at least the first material 26 and the second material 30 during the manufacture of the sealing strip 22. As indicated above, the sealing strip 22 can be co-extruded from more than two materials; for example, the base section 32 is formed from a stiffer or harder material than the lip section 34. A lighter dye can be added to form the first sub-section 24, and a darker dye can be added to form the second sub-section 28.

[0059] This surprisingly simple measure achieves a uniform, light appearance for the frame 14, including the sealing strip 22, and especially for the entire door 10. Since the first section 24 is made of a solid-colored, light-colored plastic, this appearance is maintained even if the sealing lip 36 wears down due to friction. Conversely, even abrasion of the sealing lip 36 on the light-colored door leaf 16 is not noticeable. Thus, the elegant, light color of the door 10 is preserved even after prolonged use. Nevertheless, when the door 10 is closed, light is not reflected and transmitted through the sealing strip 22, so that the door 10 remains completely lightproof in the area of ​​the door gap sealed by the sealing strip 22, even with significant differences in brightness between the rooms separated by the door 10.

[0060] For further details and possible designs of door 10, please refer to literature reference [2].

[0061] In other embodiments not shown, a corresponding sealing strip 22 with the first and second sections 24, 28 is attached to the door leaf 16. Although the effect of the differently light-reflecting and light-absorbing sections 24, 28 is greatest in the illustrated flush-mounted swing door, it can also be used in other types of doors to improve light tightness if a seal is to have a light appearance in keeping with its surroundings. The frame 14 can also have other shapes, e.g., be designed as a corner frame, and can also be made of other materials, e.g., metal, in particular steel. The door leaf 16 can also be made of other materials. The door leaf 16 is preferably seamless and has no other openings that would allow light to pass through.

[0062] To create a particularly elegant, light-colored door 10, which is also perfectly suited as a bedroom door, a door 10 with a flush door leaf 16 and a frame 14 has been proposed, on which at least one sealing strip (22) is attached for sealing a door gap 42 between the door leaf 16 and the frame, wherein the frame 14 has a light color on a surface that is visible at least when the door 10 is open, wherein a first partial area 24 of the sealing strip 22 extending along the sealing strip 22, which forms an externally visible surface of the sealing strip 22, is made of a first material 28, and a second partial area 28 of the sealing strip 22 extending along the sealing strip 22 is made of a second material 30, wherein the first material 26 has a higher light reflection factor and a lower light absorption factor than the second material 30.Furthermore, a corresponding sealing strip 22 has been proposed for such a door 10. Reference symbol list:

[0063] 10 Door 12 Wall 14 Frame 15 Sealing groove 16 Door leaf 17 Frame stile 18 Step recess 20 Narrow side area 22 Sealing strip 24 First section 25 Visible surface 26 First material 28 Second section 30 Second material 32 Foot area 32a Base 32b Mounting flange 34 Lip area 36 Outer sealing lip 38 Inner sealing lip 40 Hollow chamber 42 Door gap 44 Support strut (Example of support body area)

Claims

1. Door (10) designed as a flush-closing pivot door in the form of a room door for use as a bedroom door, with a flush door leaf (16) formed from a continuous, jointless, and light-tight panel, and a frame (14) to which at least one sealing strip (22) is attached for sealing a door gap (42) between the door leaf (16) and the frame, wherein the frame (14) has a light color on a surface that is visible at least when the door (10) is open, characterized in that a first section (24) of the sealing strip (22) extending along the sealing strip (22), which forms a visible surface (25) of the sealing strip (22) visible from the outside, is formed from a first material (28), and a second section (28) of the sealing strip (22) extending along the sealing strip (22) is formed from a second material (30), wherein the first material (26) has a higher light reflection factor and a lower light absorption factor than the second material (30).

2. Door (10) according to claim 1, characterized in that the visible surfaces of the door leaf (16) and the frame (14) have the light color tone.

3. Door (10) according to claim 1 or 2, characterized in that the light color tone of the frame (14) or the light color tone of the frame (14) and the color tone of the first material (26) are selected from a group of color tones comprising a white color tone, a yellow color tone, a light gray color tone, a beige color tone, and the color tones RAL 1000, RAL 1001, RAL 1002, RAL 1003, RAL 1004, RAL 1005, RAL 1006, RAL 1007, RAL 1012, RAL 1013, RAL 1014, RAL 1015, RAL 1016, RAL 1017, RAL 1018, RAL 1021, RAL 1023, RAL1026, RAL 1028, RAL 1033, RAL 1034, RAL 1037, RAL 2000, RAL 2003, RAL 2007, RAL 2008, RAL 3012, RAL 3015, RAL 3024, RAL 3026, RAL 6019, RAL 6021, RAL 6027, RAL 3034, RAL 6038, RAL 7030, RAL 7035, RAL 7038, RAL 7044, RAL 7047, RAL 8020, RAL 9001, RAL 9002, RAL 9003, RAL 9006, RAL 9010, RAL 9016, RAL 9018, RAL 9020.

4. Door (10) according to any of the preceding claims, characterized in that the second section (28) extends over at least a large part of the door gap (42) when the door (10) is closed.

5. Door (10) according to any of the preceding claims, characterized in that the door leaf (16) and / or the frame (14) are formed on the basis of wood-based materials.

6. Door (10) according to any of the preceding claims, characterized in that the first material (28) has a lighter color tone and the second material (30) has a darker color tone.

7. Door (10) according to any of the preceding claims, characterized in that the color tone of the second material (30) is selected from the group of darker color tones comprising a black color tone, a dark gray tone, and the color tones RAL 1016, RAL 3007, RAL 3032, RAL 4004, RAL 4007, RAL 5004, RAL 5008, RAL 5011, RAL 5022, RAL 5026, RAL 6008, RAL 6009, RAL 6012, RAL 6015, RAL 6022, RAL 7000, RAL 7002, RAL 7005, RAL 7006, RAL 7008, RAL 7009, RAL 7010, RAL 7011, 7012, RAL 7013, RAL 7015, RAL 7016, RAL 7018, RAL 7021, RAL 7022, RAL 7024, RAL 7026, RAL 7031, RAL 7033, RAL 7039, RAL 7043, RAL 7046, RAL 7048, RAL 8001, RAL 8007, RAL 8011, RAL 8012, RAL 8014, RAL 8015, RAL 8016, RAL 8019, RAL 8022, RAL 8027, RAL 8028, RAL 9004, RAL 9005, RAL 9017, RAL 9021.

8. Door (10) according to any of the preceding claims, characterized in that the first (28) and second (30) materials are each plastic.

9. Door (10) according to any of the preceding claims, characterized in that the second material (30) corresponds to the first material (28) with added color pigments.

10. Door (10) according to any of the preceding claims, characterized in that the sealing strip (22) is formed by coextrusion from at least the first and the second material (26, 30).

11. Door (10) according to any of the preceding claims, characterized in that the sealing strip (22), viewed in cross-section, has a base region (32) for fastening to a sealing groove (15) of the frame (14) and a lip region (34) for forming at least one elastic sealing lip (36, 38), wherein the lip region (34) has an outer surface region for bearing against the door leaf (16) when the door (10) is closed and a support body region (44) for supporting the surface region, and wherein the surface region forms the first section (24) and the second section (28) is formed on the support body region (44) or is formed by the support body region (44).

12. Door (10) according to any of the preceding claims, characterized in that the color tone of the first material (30) is selected from a group of lighter color tones comprising a white color tone, a yellow color tone, a light gray color tone, a beige color tone, and the color tones RAL 1000, RAL 1001, RAL 1002, RAL 1003, RAL 1004, RAL 1005, RAL 1006, RAL 1007, RAL 1012, RAL 1013, RAL 1014, RAL 1015, RAL 1016, RAL 1017, RAL 1018, RAL 1021, RAL 1023, RAL 1026, RAL 1028, RAL 1033, RAL 1034, RAL 1037, RAL 2000, RAL 2003, RAL 2007, RAL 2008, RAL 3012, RAL 3015, RAL 3024, RAL 3026, RAL 6019, RAL 6021, RAL 6027, RAL 3034, RAL 6038, RAL 7030, RAL 7035, RAL 7038, RAL 7044, RAL 7047, RAL 8020, RAL 9001, RAL 9002, RAL 9003, RAL 9006, RAL 9010, RAL 9016, RAL 9018, RAL 9020.

13. Use of a sealing strip (22) comprising a first section (24) extending along the length of the sealing strip (22) made of a first material (26) and a second section (28) extending along the length of the sealing strip (22) made of a second material (30), wherein the first material (26) having a higher light reflection factor and a lower light absorption factor than the second material (30), as a sealing strip (22) for sealing a door gap (42), which sealing strip is mounted between a door leaf (16) and a frame (14) of a door (10), wherein the door (10) is designed as a flush-closing pivot door in the form of a room door for use as a bedroom door, and comprises the flush door leaf (16) that is formed from a continuous, jointless, and light-tight panel, and the frame (14) having a light color on a surface that is visible at least when the door (10) is open, wherein the first section (24) of the sealing strip (22) extending along the sealing strip (22) forms a visible surface (25) of the sealing strip (22) that is visible from the outside.

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