UA107915C2 - Frame of plastic window or plastic door - Google Patents

Abstract

Frame (2) for a plastic window (1) or a plastic door containing: a frame made of special plastic profiles (3) of an outer box, made of special plastic profiles, a sash frame (4), a sealing element (5), which is housed in folding the area (9) between the frame (3) of the outer box and the wing frame (4) and which has the main part (10) and the edge (11) adjacent to the thrust surface of the wing frame (4) when forming a circumferential perimeter of the cavity (13) with the side of the room and the circumference of the cavity (14) on the side and subject to atmospheric conditions. To improve the thermal insulation, the sealing element (5) has a distance from the edge (11) oriented in the direction of the wing frame (4) of the bar (12), not adjacent to the wing frame (4), and the distance between the wing frame (4) and the bar (12) is maximum.

Description

In this regard, it may be appropriate for the bar to have a body that is formed integrally along the main part of the sealing element at the elastically deformable connecting area. The dense body of the slat created at the connecting area can provide improved thermal insulation. At the same time, the body of the bar can be made of the material of the sealing element as a solid or have an internal cavity. Such implementations in practice turned out to be the most favorable.

It may also be appropriate for the main part to have a cross-sectional structure of at least two cavities. At the same time, it is better when the cavities are located deep in the profile of the frame of the outer box. Such a diameter improves thermal insulation even more.

It may also be appropriate for the material of the sealing element to be a thermoplastic polymer material with a Shore hardness (5pogee A) in the range of 50-80 5pogee A units, and preference is given to thermoplastic polymer materials with a Shore hardness in the range of 60-80 units, especially within 65-75 units. The best material has a Shore hardness of about 70 units of Zpoge A (within 68-72 units). Thermoplastic elastomers with Shore hardness within these limits proved to be the most suitable. In this case, thermoplastic elastomers based on PVC, polypropylene/ethylene-propylene-diene-methylene, as well as MRB5 (styrene block copolymers) and

ZB5 (styrene-butadiene-styrene-block copolymers). Similar materials make it possible to weld the sealing element in its corner sections. At the same time, it is enough that the edge and the bar of the sealing element are made of a thermoplastic material with Shore hardness within the listed limits. Accordingly, it may be appropriate for the bulk of the sealing element to be made of a harder thermoplastic material than the rim and bar.

At the same time, the Shore hardness values refer to IM 53505 and IM 7868 standards.

In addition, it is particularly appropriate that the sealing element is welded to the frame profile of the outer box in the corner sections of this frame. This allows you to finally glue the slats of the frame profiles of the outer box with a sealing element, and when processing the frames, weld them in the corner sections.

It may also be appropriate for the sealing element to also have a base that fits into the sealing element groove of the outer box frame. It may also be appropriate for the main part of the sealing element to be made as a riser of the outer box frame, with the edge and bar joining the riser by extrusion. In addition, it may be appropriate for the sealing element to be joined to the outer box frame by co-extrusion. These options for joining the sealing element to the plastic profile of the frame of the outer box have proven to be particularly appropriate in practice.

With respect to the sealing element according to the invention, it may be appropriate for the sealing element to consist of a main part, a rim and a bar, the rim and the bar being located on the same side of the main part.

Next, the invention is explained in more detail with the help of drawings showing embodiments.

Brief description of the drawings.

Fig. 1 Cross-section of the plastic window frame according to the embodiment of this invention.

Fig. 2 Enlarged image of the sealing element of the plastic window according to the invention in fig. 1.

Fig. C Alternative form of execution of the sealing element according to the invention.

Fig. 4 Another embodiment of the sealing element according to the invention.

Fig. 5 Cross-section of the plastic window frame according to the embodiment of this invention.

A detailed description of the best forms of execution.

The explanations given below in the form of an example refer to a frame for a plastic window and are also valid for plastic doors.

In fig. 1 shows the embodiment of the plastic window frame 2 proposed by the invention.

The frame 2 consists of an outer box formed by special plastic profiles and a sash frame 4 formed by special plastic profiles. The sash frame 4 surrounds the bearing element 6 of the surface in its end side sections. In the one shown in fig. In the 1st embodiment, the supporting element 6 of the surface is insulating glazing with three glass panes.

On the outer overlap of the frame Z of the outer box, a thrust sealing element 7 is placed in the groove for sealing, to which, in the closed position of the plastic window 1, the sash frame 4 adjoins. Likewise, in the closed position, the frame Z of the outer box adjoins another thrust sealing element 7", which is located in a special groove of the sash frame 4. Foam plastic sliding elements 8, 8' are installed in the main cavities of the frame profiles of the outer box and the sash frame.

In the folding zone U between the frame Z of the outer box and the leaf frame 4, a sealing element 5 is placed, which is shown in an enlarged view in fig. 2. The sealing element 5 consists of the main part 10, the edge 11 and the bar 12. The edge and the bar are made on the same side of the main part 10. In addition, the bar 12 has a base 15, which is drawn into the recess 16 for the sealing element on the frame of the outer box, thanks to which the sealing element 5 is connected to the frame of the outer box. Alternatively, the main part of the sealing element 5 can be attached to the frame C of the outer box by co-extrusion. The main part 10 in the cross section has a structure of at least two cavities. The material for the sealing element 5 is a thermoplastic elastomer, in particular, based on PVC, polypropylene/ethylene-propylene-diene-methylene, as well as MPO and 585. In particularly suitable embodiments of the present invention, the main part 10 and the base 15 are made of a harder thermoplastic elastomer, than edge 11 and bar 12.

In the closed state of the plastic window 1, the edge 11 adjoins the supporting surface of the sash frame 4. Thus, the folding space is divided into a cavity 13 running around the perimeter from the side of the room and a cavity 14 running around the perimeter from the side exposed to atmospheric conditions. In addition, the main part 10 of the sealing element 5 has a bar 12 located at a distance from the edge 11 on the side of the sash frame 4, which does not touch it. At the same time, it is better that the distance between the bar 12 and the leaf frame 4 does not exceed 2 mm. This distance provides a thermally stable cavity running around the perimeter, formed between the main part 10, the edge 11, the sash frame 4 and the bar 12.

In fig. C shows another embodiment of the sealing element 5 according to the invention, installed in the same way as in the frame 2 according to the invention. The sealing element 5 again consists of the main part 10, the edge 11 and the bar 12, and the edge 11 and the bar 12 are made on the same side of the main part 10. The bar 12 can be retracted through the base in the recess 16 for the sealing element of the frame 3 of the outer box for attachment of the sealing element 5 to the frame 3. The bar 12 consists of a body 18 and a flexible connecting section 17, and the body 18 of the bar in the depicted form of execution is made as massive, that is, the body 18 of the bar does not have an internal cavity. At the same time, the body 18 of the bar is connected to the main part 10 through the connecting section 17. The material for the sealing element 5 can again be thermoplastic elastomers, in particular based on PVC, polypropylene/ethylene-propylene-diene-methylene, as well as MRB and 585 , and the main part 10 and/or the base 15 can be made of a harder thermoplastic elastomer than the edge 11 and the bar 12.

Another embodiment of the sealing element 5 is shown in Fig. 4, and the sealing element 5 can be connected to the frame C of the outer box in the same way as in fig. 1. In this embodiment of the sealing element 5 according to the invention, the body 18 of the bar is made in the form of a hose with an internal cavity. The body 18 of the bar and in this form of execution is connected to the main part 10 through a flexible connecting section 17. The material for the sealing element 5 can again be thermoplastic elastomers, in particular based on PVC, polypropylene/ethylene-propylene-diene-methylene, and also MPO and 585. At the same time, the main part 10 and/or the base 15 can be made of a harder thermoplastic elastomer than the edge 11 and the bar 12.

Fig. 5 shows another embodiment of the proposed frame 2 for a plastic window 1.

According to this embodiment, the frame 2 has the same construction as the frame in fig. 1, but with the difference that the main part 10 of the sealing element 5 is made as a rise 19 on the frame C of the outer box. The riser is made of the same material as the plastic frame profile From the outer box (preferably PVC or fibre-reinforced PVC). The edge 11 and bar 12 are again made of thermoplastic elastomer, in particular based on PVC, polypropylene/ethylene-propylene-diene-methylene, as well as MRB5 and 5B5 and joined to the elevation by extrusion (preferably co-extrusion).

This invention was described above on the example of a frame for a plastic window. However, a person skilled in the art understands that these explanations can equally apply to the corresponding plastic door frame.

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