EP4609047A1 - Sichtfenster, insbesondere für rlt-anlagen - Google Patents
Sichtfenster, insbesondere für rlt-anlagenInfo
- Publication number
- EP4609047A1 EP4609047A1 EP25701273.2A EP25701273A EP4609047A1 EP 4609047 A1 EP4609047 A1 EP 4609047A1 EP 25701273 A EP25701273 A EP 25701273A EP 4609047 A1 EP4609047 A1 EP 4609047A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- viewing window
- window according
- viewing
- spacer
- designed
- 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.)
- Granted
Links
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
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/54—Fixing of glass panes or like plates
- E06B3/58—Fixing of glass panes or like plates by means of borders, cleats, or the like
- E06B3/5892—Fixing of window panes in openings in door leaves
-
- 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
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/54—Fixing of glass panes or like plates
- E06B3/549—Fixing of glass panes or like plates by clamping the pane between two subframes
Definitions
- the present invention relates to a viewing window for installation in a viewing opening, in particular in a viewing opening of a ventilation and air conditioning system (HVAC system), with two spacer frames which can be inserted into the viewing opening from opposite directions and which are adjacent to one another via their end faces.
- HVAC system ventilation and air conditioning system
- Such viewing windows for installation in viewing openings are known in various versions from the state of the art.
- the viewing windows have a two-part structure with a window part inserted into the viewing opening from one side and a window part inserted from the other side. window part inserted into the viewing opening, which are fixed in the viewing opening in different ways.
- EP 3 375 968 A1 discloses a viewing window with two window parts that are introduced into the viewing opening from opposite directions and mounted in the viewing opening by screwing them together.
- the two window parts have appropriately designed screw sections that allow wall thickness compensation, at least to a certain extent, so that these viewing windows can also be used with different wall thicknesses.
- the screw sections extend into the interior of the viewing opening and form a collar covering the inner circumference of the viewing opening. This is why they serve not only to connect the two window parts, but also to keep any dirt, particularly from a filler provided inside the wall for insulating purposes, away from the interior of the viewing window and which could impair visibility.
- a similar viewing window is known from US Pat. No. 4,525,961 A, in which the two window elements are also inserted into the viewing opening from different directions and connected to each other via a locking toothing.
- the locking toothing also allows for a certain degree of wall thickness compensation and is arranged on a collar covering the inner circumference of the viewing opening, thus also protecting the interior of this viewing window from dirt from the inside of the wall.
- viewing windows are also known which have a simpler design, each adapted to a specific wall thickness and can be attached to the viewing opening using additional fastening elements, such as screw bolts.
- additional fastening elements such as screw bolts.
- the The window elements inserted into the viewing opening on both sides have a spacer frame inserted into the viewing opening. In the inserted position, the spacer frames of the two window elements rest against each other with their end faces, which also prevents dirt from penetrating the interior of the viewing window.
- the viewing windows described above have proven to be effective and provide reliable protection against penetrating dirt, in certain applications, the viewing windows may fog up due to changing air conditions, moisture present in a wall filler, or similar factors. This can impair visibility.
- the object of the present invention is therefore to provide a viewing window in which the risk of impaired visibility is reduced even under unfavorable conditions.
- This task is solved in a viewing window of the type mentioned above by providing a front seal on the front sides for mutual sealing of the two adjacent spacer frames.
- the end seals on the front sides create an airtight seal between the interior of the viewing window and the exterior.
- the risk of moisture penetration for example, due to residual moisture in the filler from the wall's manufacturing process, and the associated risk of fogging of the viewing window, is significantly reduced.
- the risk of impaired visibility is thus significantly reduced, even under unfavorable conditions.
- end seals are designed as sealing halves and are arranged such that the end seals of the two adjacent spacer frames form a complete, circumferential seal.
- two spacer frames can be used, each with only one sealing half, whose sealing halves together form a fully circumferential seal when inserted.
- the end seals and their arrangement can be identical on both spacer frames.
- the spacer frames have a substantially rectangular, in particular square, shape, and the end seals are substantially U-shaped.
- a substantially rectangular or substantially square shape refers to rectangles or squares whose corners are rounded with a certain radius.
- the end seals can be substantially U-shaped.
- the U-shaped end seals can extend approximately over half of the end face.
- a further advantageous embodiment provides that the end seals extend along one side of the spacer frame to the middle of two adjacent sides of the spacer frame or beyond by a predetermined amount.
- the two end seals extend to the middle of two adjacent sides of the spacer frame.
- the seals are butted together in the middle when installed.
- the end seals could extend along two sides of the spacer frame into two corners of the spacer frame or beyond by a specified amount. In this case, the seals would be flush in the corner when installed, or there would be a certain overlap here as well.
- An advantageous design for achieving a reliable sealing effect provides for the end faces of the spacer frames to have a groove for accommodating the end seal.
- the end seal can be reliably positioned in the groove and/or sufficient compression of the end seal can be ensured.
- a particularly advantageous embodiment in this context provides that the arrangement and length of the groove on the end face is adapted to the arrangement and length of the end seal in such a way that a groove is provided only in the area of the end seal, and the remaining areas of the end face have no groove.
- the groove-free areas of the end face can form a counter-sealing surface for the end seal of the opposing spacer frame to engage. This also contributes to a reliable sealing effect.
- a particularly advantageous design from a manufacturing and assembly perspective provides for the end seal to be integrally connected to the end face.
- the one-sided connection of the end seal is particularly easy to install, as the end seal does not have to be mounted as a separate part.
- the end seal can, for example, be molded onto the end face using a two-component injection molding process.
- the end seal can also be foamed onto the end face.
- the end seal can, in particular, be made of PUR foam.
- the spacer frame can have a circumferential cover collar to cover the inner edge of the viewing opening.
- the cover collar prevents filler particles from penetrating the interior of the viewing window.
- the cover collar can be made of an opaque material. This can have aesthetic advantages because the filler provided inside the wall is not visible from the outside through the viewing window or its spacer frame.
- the depth of both cover collars can correspond to the wall thickness of the wall containing the viewing opening.
- the depth of the individual cover collars of the two spacer frames can be identical or different. For example, to cover the interior of a 40 mm thick wall using the cover collars, the cover collars of both spacer frames can have a depth of 20 mm. Alternatively, one of the two cover frames could have a depth of 10 mm and the other of the two cover frames a depth of 30 mm.
- a further advantageous embodiment provides for the spacer frames to have several spacers distributed around their circumference.
- the spacers ensure precise installation within the viewing opening, and the spacers can be adapted to the wall thickness.
- an advantageous embodiment further provides that the spacers are designed and arranged in such a way that the spacers of the two spacer frames abut one another.
- the spacers are designed like spacer plugs, with a first group of spacers being designed like a male spacer plug and a second group of spacers being designed like a female spacer plug.
- the two spacer frames can therefore be plugged together via the spacers.
- This can offer advantages in terms of manufacturing.
- the manufacturer of an air conditioning system inserts the spacer frames into the viewing opening during production of the system housing and plugs them together via the spacers.
- the interior of the wall of the system housing can then be provided with a filler, for example by foaming in a suitable filler.
- the spacer frames prevent foam from seeping into the area of the viewing opening.
- a particularly advantageous embodiment provides for the two spacer frames to be designed as identical parts or for them to differ in the depth of the frame. This keeps production costs low because only one tool is required to manufacture spacer frames designed as identical parts. If the spacer frames differ in terms of the depth of the frame, a tool can also be used to manufacture them, which has a tool insert that reflects the different depths of the frame. Frame depths of 15 mm, 20 mm and even 30 mm have proven advantageous. However, other depths can also be provided and can be easily manufactured using a corresponding tool insert.
- a further advantageous embodiment provides that a pane carrier carrying a viewing pane is arranged on each spacer frame. The pane carrier can be formed integrally with the spacer frame.
- the pane carriers can be designed as separate components and connected to the spacer frames.
- an intermediate seal can advantageously be provided between the pane carrier and the spacer frame, which also prevents moisture from penetrating the interior of the viewing window.
- the intermediate seal can be designed as a separate component, for example as a sealing cord or O-ring seal.
- the intermediate seal is formed integrally either on the spacer frame or on the pane carrier.
- the intermediate seal can be injection-molded onto the end face of the spacer frame or the pane carrier using a two-component injection molding process.
- the intermediate seal can also be foamed on.
- the intermediate seal can consist in particular of a PUR foam.
- the spacer frame or the pane carrier can have a groove for receiving the intermediate seal.
- the pane supports can also have an outer seal to seal the pane supports from the wall containing the viewing opening.
- the intermediate seal can be designed as a separate component, for example as a sealing cord or O-ring seal.
- the outer seal can seal the edge of the viewing opening.
- the outer seal can be designed to run around the entire circumference of the viewing opening.
- the outer seal can advantageously also be formed integrally with the pane supports. In this case, the outer seal can be manufactured with the pane support using a two-component injection molding process or can be foamed onto it.
- the outer seal can in particular consist of a PUR foam.
- the pane support can have a groove to accommodate the outer seal.
- the two spacer frames and the two pane supports can be releasably attached to the viewing opening via fastening means. It is not necessary to attach the spacer frames and the pane supports separately. Rather, the spacer frames and the pane supports can be releasably attached to the viewing opening via common fastening means.
- the fastening means can, in particular, be designed such that one spacer frame and one pane support can be braced against the wall from different sides of the viewing opening.
- the fastening means are designed as screws, with one of the disc supports being designed with through holes and the other disc support being designed with screw-in openings, which can in particular be designed as screw bosses, to accommodate the fastening means.
- the use of screws allows for a simple and reliable connection.
- the end seal can also be compressed via the screws to achieve the desired sealing effect.
- a further advantageous embodiment provides for some, preferably all, of the fastening elements to extend through the spacers.
- the spacers ensure a defined connection. The risk of bending parts of the viewing window or the wall due to overtightening the screws is avoided.
- the disc carrier be provided with a cover that conceals the fastening elements.
- This allows an aesthetically pleasing appearance to be achieved in the area of the screw heads, concealing the screw heads.
- the cover can be connected to the disc carrier, particularly by means of a snap-in connection, without the need for tools.
- the viewing window can also be provided with a light source.
- the light source can, in particular, be an LED element.
- the spacer frames have a lamp holder for accommodating the lamp.
- the lamp can be arranged in a replaceable manner in the lamp holder.
- a battery can also be arranged in a replaceable manner in the lamp holder.
- the lamp holder be located radially outside the end seals, thereby reducing the risk of moisture or dirt entering the area of the lamp.
- Fig. 1 is a perspective view of a first embodiment of a viewing window
- Fig. 2 is an exploded view of the viewing window from Fig. 1,
- FIG. 3 is an enlarged view of one of the spacer frames shown in Fig. 2
- Fig. 4 is a perspective sectional view through the viewing window of Fig. 1,
- Fig. 5 is a view of the viewing window corresponding to the illustration in Fig. 4 in a position inserted into a viewing opening
- Fig. 6 is a side view corresponding to the view in Fig. 5,
- Fig. 7 is a perspective view of a second embodiment of a viewing window
- Fig. 8 is an exploded view of the viewing window from Fig. 7.
- Fig. 1 shows a perspective view of a viewing window 1 for insertion into a viewing opening 101 of a wall 100, see also Fig. 6.
- the viewing window 1 has a substantially square shape with rounded corners, but could also have a rectangular geometry or a round shape in the manner of a porthole.
- the viewing window 1 can be used in particular in industrial systems, such as air conditioning systems or air conditioning housings, for observing a machine, system, display or the like arranged inside them, for example in a wall or a door of the corresponding systems, which are provided with a viewing opening 101 for receiving the viewing window 1.
- industrial systems such as air conditioning systems or air conditioning housings, for observing a machine, system, display or the like arranged inside them, for example in a wall or a door of the corresponding systems, which are provided with a viewing opening 101 for receiving the viewing window 1.
- the viewing window 1 is constructed from a large number of individual components.
- the viewing window 1 has two spacer frames 2, which partially protrude into the interior of the viewing opening 101 and on the outer sides of which two actual viewing window 9 are arranged on pane supports 10, 11.
- a cover 13 is also arranged on the pane support 10 on the left in Fig. 2.
- the spacer frames 2 are designed as plastic components and manufactured using an injection molding process.
- the two spacer frames 2 are designed as identical parts and are mounted from different directions Ri, R? in the viewing opening 101 of the wall 100. In the mounted position within the viewing opening 101, the two spacer frames 2 abut one another at the end.
- the spacer frames 2 each have a shield collar 6 extending circumferentially around the entire circumference of the spacer frame 2.
- the shield collar 6 is designed like a hollow cylinder.
- the shield collar 6 extends from a connecting region 18, to which one of the pane supports 10, 11 can optionally be connected, in the axial direction into the interior of the viewing opening 101.
- the plane of the connecting region 18, which extends parallel to the plane of the viewing pane 9, encloses a right angle with the shield collar 6.
- cover collar 6 At the free end of the cover collar 6, it has a front side 3, against which the opposite spacer frame 2 rests with its front side 3, see also Fig. 4. This results in an arrangement of the two cover collars 6 that lie against each other at the front, covering the inside of the viewing opening 101, whereby the entry of dirt originating from the interior of the wall 100, for example due to a mineral filler 102, into the interior of the viewing window 1 is prevented, see also the illustration in Fig. 6.
- the cover collars 6 are made of an optically made of non-transparent material, so that it is not possible to look through the viewing window 1 into the interior of the wall 100.
- the spacer frame 2 has a plurality of spacers 7, 8, which abut one another in the mounted position, see also the illustration in Fig. 1. In the mounted position, the spacers 7, 8 rest against one another in a pressure-tight manner. The spacers 7, 8 are arranged radially outside the cover collar 6, so that in the mounted position they are located between the cover collar 6 and the inside of the viewing opening 101.
- the spacers 7, 8 are designed in the manner of plug connectors and have a through-opening for the passage of fastening means 12.
- the through-opening extends centrally to the axis of the spacers 7, 8.
- a first group of spacers 7 is designed in the manner of a male plug, a second group of spacers 8 in the manner of a female plug, which can be positively inserted into one another as shown in Fig. 7.
- the spacer frames 2 can therefore be connected to one another via the spacers 7, 8.
- the spacers 7, 8 end at the level of the end face 3 of the cover collar 6, such that the spacers 7, 8 are inserted into one another when the end faces 3 of the spacer frames 2 are in contact.
- the opposite end of the spacers 7, 8 ends at the connecting area 18 extending transversely to the spacers 7, 8.
- a front seal 4 is provided in the area of the end faces 3 of the cover collars 6.
- the front seals 4 are arranged in such a way that that the interior of the viewing window 1 is hermetically sealed in the mounted position.
- the end seals 4 do not extend over the entire circumference of the end face 3, but only over half of the end face 3.
- the end seal 4 extends along one side 6.1 of the cover collar 6 to the middle of the two adjacent sides 6.2, 6.4. Due to this arrangement and design of the end seal 4, a continuous seal is created when the spacer frames 2 are in contact with one another, composed of the two end seals 4.
- the two end seals 4 do not end exactly halfway along the sides 6.2, 6.4, but cover a predetermined amount more in order to provide a certain overlap.
- the end face 3 has a groove 5 in the region of the end seal 4, the length and arrangement of which is adapted to the end seal 4.
- the groove 5 can have an angular, in particular a square, or a rounded, in particular semi-circular or partially circular, cross-section.
- the seal-free areas of the end face 3 do not have a groove 5. In the assembled position, a face seal 4 and a face seal-free area of the end face 3 are opposite each other, which creates a good sealing effect.
- the disc supports 10, 11 are arranged on the outer sides of the spacer frames 2 in their connecting areas 18.
- An intermediate seal 16 is provided between the disc supports 10, 11 and the spacer frames 2.
- the intermediate seal 16 can either on the spacer frame 2 or on the pane supports 10, 11.
- the intermediate seal 16 can be designed as a separate component, for example as a sealing cord or O-ring seal.
- the intermediate seal 16 is formed in one piece either on the spacer frame 2 or the pane supports 10, 11.
- the intermediate seal 16 can be injection-molded using a two-component injection-molding process.
- the intermediate seal 16 can also be foamed. In this case, the intermediate seal can consist in particular of a PUR foam.
- the spacer frame 2 or the pane supports 10, 11 can have a groove for receiving the intermediate seal. The groove can be designed analogously to the groove 5 described in connection with the end seal 4.
- the disc carriers 10, 11 are different components.
- the pane support 10 is mounted as an outer part on the outside of the viewing window 1.
- the pane support 10 has a plurality of through-openings 10.1 distributed around its circumference. In the exemplary embodiment, two through-openings 10.1 are provided per side.
- the pane support 11 is mounted as an inner part on the inside of the viewing window 1.
- the pane support 11 has a plurality of connecting elements designed like screw domes 11.1.
- fastening elements 12 are provided according to the arrangement of the through-openings 10.1 and the screw bosses 11.1 arranged in alignment with these.
- the fastening elements 12 are screws.
- the fastening elements 12 can be inserted from the outside of the viewing window 1 through the through-openings 10.1 of the pane carrier 10, the central openings of the spacers 7, 8 provided on the two spacer frames 2 are inserted into the screw bosses 11.1 of the pane support 11 and screwed in.
- the components arranged on the inside of the viewing window 1 can be braced against the components arranged on the outside and the wall 100.
- the viewing window 1 can be releasably fastened in the viewing opening 101.
- the pane supports 10, 11 each have a plug-in area 10.2, 11.2 extending in the axial direction.
- the pane supports 10, 11 can be plugged into the spacer frames 2 via the plug-in area 10.2, 11.2.
- the plug-in areas 10.2, 11.2 are designed to be circumferential for this purpose.
- the outer contour of the plug-in areas 10.2, 11.2 is adapted to the inner contour of the frame 6 of the spacer frames 6 to form the plug-in connection.
- the pane supports 10, 11 each have a pane frame 10.3, 11.3 supporting the viewing pane 9.
- the pane frame 10.3, 11.3 rests against the wall 100 from the outside.
- an outer seal 17 is provided between the pane frames 10.3, 11.3 and the wall 100.
- the outer seal 17 can either be designed as a separate component, such as a sealing cord or O-ring seal, or can be integrally formed on the pane supports 10, 11.
- the outer seal 17 can be injection-molded using a two-component injection molding process.
- the outer seal 17 can also be foamed. In this case, the outer seal 17 can consist, in particular, of a PUR foam.
- the disc supports 10, 11 can have a groove for receiving the intermediate seal.
- the groove can be designed analogously to the groove 5 described in connection with the end seal 4.
- a cover 13 is provided on the outside of the viewing window 1.
- the fastening elements 12 are covered by the cover 13.
- a corresponding cover is not required on the inside.
- the viewing window 1 is designed for a specific wall thickness W of the wall 100 and can only be used with this type of wall thickness W. This is because the cover collars 6 of the spacers 2 are adapted to the wall thickness W of the wall 100 in such a way that their depth a corresponds to half the wall thickness W. This ensures that the end faces 3 of the cover collars 6 of the spacer frames 2 abut one another in the middle of the wall 100 and that the end face seals 4 provided on the end faces 3 experience the necessary compression to create an airtight seal inside the viewing window 1.
- an interchangeable insert can advantageously be provided in the injection molding tool provided for producing the spacer frame 2. Using one or more of these interchangeable inserts, different wall thicknesses W can be reproduced without having to replace the entire tool. By using appropriate interchangeable inserts, different spacer frames 2 can be produced in a simple and cost-effective manner.
- spacer frames 2 in the exemplary embodiment are designed as identical parts and their cover collars 6 have the same depth a
- spacer frames 2 can also be used which differ in terms of the depth a of the spacer frames 2, but are otherwise identical in construction are designed. This means that the spacer frames 2 can be used as a pair for different wall thicknesses W, the added depths a of which correspond to the wall thickness W.
- the cover collars 6 can advantageously have a depth a of 15 mm, 20 mm and 30 mm.
- the common wall thicknesses W of 30 mm spacer frames designed as identical parts with a depth a of 15 mm
- 35 mm spacer frames with different depths a of 15 mm and 20 mm
- 40 mm spacer frames designed as identical parts with a depth a of 20 mm
- 45 mm spacer frames with different depths a of 15 mm and 30 mm
- 50 mm spacer frames with different depths a of 20 mm and 30 mm
- 60 mm spacer frames designed as identical parts with a depth a of 15 mm
- other depths a can also be advantageous.
- the end seals 4 provided between the spacer frames 2, the intermediate seals 16 provided between the spacer frames 2 and the pane supports 10, 11, as well as the outer seals 17 provided on the pane supports 10, 11, can advantageously be arranged in a groove of the respective adjacent component and can be manufactured in a multi-component injection molding process or by foaming, in particular a PUR foam, onto one of the adjacent components, see also Fig. 4.
- a light source 14 is provided in the lower region of the viewing window 1, by means of which the viewing area of the viewing window, i.e. the area that can be observed through the viewing window 1, can be illuminated.
- the light source 14 can be designed as an LED light source.
- the viewing window 1 has a light source receptacle 15 for receiving the light source 14, which is formed by one side 6.4 of the diaphragm collar 6 and also of the adjacent pane supports 10, 11 projecting radially inwards.
- a battery or similar device for operating the illuminant 14 can be housed in the illuminant holder.
- the illuminant 14 can be operated from the outside of the viewing window 1 in the area of the pane support 10 via an operating element 14.1.
- the illuminant 14 can be inserted as an assembly unit into an axial opening 15.1 of the receptacle 15 and fastened there via fastening elements 14.2.
- the viewing window 1 can therefore be operated either with or without the light source 14.
- the viewing window 1 is characterized by a construction that is both simple and reliably shielded from external contamination and moisture penetration.
- the viewing window 1 has a front seal 3 in the area of the end faces 3 of the cover collars 6 of the spacer frames 2, which seals the spacer frames 2 extending into the viewing opening 101.
- the front seal 4 is designed as a half seal in a manufacturing-technically advantageous manner, which makes it possible to use spacer frames 2 designed as identical parts or spacer frames 2 which differ only in terms of the depth a of their cover collar 6.
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Securing Of Glass Panes Or The Like (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102024101405.9A DE102024101405A1 (de) | 2024-01-18 | 2024-01-18 | Sichtfenster, insbesondere für RLT-Anlagen |
| PCT/DE2025/100000 WO2025153135A1 (de) | 2024-01-18 | 2025-01-02 | Sichtfenster, insbesondere für rlt-anlagen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP4609047A1 true EP4609047A1 (de) | 2025-09-03 |
| EP4609047B1 EP4609047B1 (de) | 2026-02-04 |
Family
ID=94383985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP25701273.2A Active EP4609047B1 (de) | 2024-01-18 | 2025-01-02 | Sichtfenster, insbesondere für rlt-anlagen |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP4609047B1 (de) |
| DE (1) | DE102024101405A1 (de) |
| WO (1) | WO2025153135A1 (de) |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4525961A (en) * | 1984-04-26 | 1985-07-02 | Thermoform A/S | Double-glazed window for insertion in openings in walls or doors of a sandwich-type construction |
| NL9200307A (nl) * | 1992-02-19 | 1993-09-16 | Multi Deur Bv | Vensterconstructie. |
| FI20025034L (fi) * | 2002-07-24 | 2004-01-25 | Pentti Onnela | Ikkunarakenne |
| DE202008017183U1 (de) * | 2008-12-30 | 2009-03-05 | Grützner, Sabine | Fensterbaugruppe |
| DE102017105267A1 (de) | 2017-03-13 | 2018-09-13 | Emka Beschlagteile Gmbh & Co. Kg | Sichtfenster für RLT- Anlagen und Klimagehäuse |
| US10968683B2 (en) * | 2017-08-18 | 2021-04-06 | Plastpro 2000, Inc. | Doors comprising glazed unit, and method of making the same |
| DE102018125499A1 (de) * | 2018-10-15 | 2020-04-16 | Emka Beschlagteile Gmbh & Co. Kg | Sichtfenster für RLT-Anlagen und Klimakammern |
| DE102019104263B4 (de) * | 2019-02-20 | 2020-10-29 | Al-Ko Therm Gmbh | Schauglas und Gehäuse einer Klima- und Lüftungsanlage |
| US11927050B2 (en) * | 2020-10-15 | 2024-03-12 | Elton Manufacturing | Window assembly and fitting therefor |
| DE102021124426A1 (de) * | 2021-09-21 | 2023-03-23 | Emka Beschlagteile Gmbh & Co. Kg. | Sichtfenster mit Dichtung |
-
2024
- 2024-01-18 DE DE102024101405.9A patent/DE102024101405A1/de active Pending
-
2025
- 2025-01-02 EP EP25701273.2A patent/EP4609047B1/de active Active
- 2025-01-02 WO PCT/DE2025/100000 patent/WO2025153135A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE102024101405A1 (de) | 2025-07-24 |
| WO2025153135A1 (de) | 2025-07-24 |
| EP4609047B1 (de) | 2026-02-04 |
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