DE2538417A1 - LIGHT ALLOY FRAME - Google Patents

Description

Rosa Moser-Huber Baden (Switzerland)

Light metal frame

The invention relates to a light metal frame.

There is a need to carry out renovations of old buildings
for a metallic frame that can be pushed over existing wooden frames anchored in the wall and attached to them, with the wooden frame remaining in the wall.
The object to be solved by the invention consists in the
Create a suitable, easy-to-manufacture, metallic window frame, which should also be insulated to prevent condensation.

609812/0706

The invention with which this object is achieved is characterized by combining the following features:

a) the outer metallic frame shell is with the inner metallic Frame shell connected by an all-round thermal insulation web,

b) the inner frame shell has grooves for receiving sealing profile strips to seal the window sashes, which are all around in the same vertical plane,

c) the inner frame shell consists of the same profile rails all around, which form miter joints at the corners.

Since the wooden frame can remain in the wall, the replacement can old windows can be carried out with comparatively little effort. Despite the use of light metal, it works Good thermal insulation between the outside of the frame and the inside of the frame to reach. In addition, the frame production is facilitated by the possibility of miter connections at the corners and, moreover, the result is an easily accessible, effective one Sealing for the window sash.

The drawing shows an exemplary embodiment of the subject matter of the invention shown. Show it:

Fig. 1 shows a cross section through the upper horizontal leg of a Frame according to the invention,

2 shows a cross section through the lower horizontal leg of the window frame according to the invention.

The frame is mainly used for the renovation of old buildings determined, with the usually already existing masonry wooden frame left in place and the one described below The frame made of light metal is placed over this and then connected to it.

609812/0706

The light metal frame consists of - according to FIGS. 1 and 2 an inner frame shell 1 and an outer frame shell 3, which are connected to one another by 'WätßBedämm strips 4'. These Thermal insulation strips 4 preferably consist of a glass fiber reinforced one Plastic and cause such good thermal insulation that the formation of condensation water is practically prevented can. The inner frame shell 1 is composed of four profile rails 2 which are identical to one another. The rigid connection at the corners is carried out by means of angle pieces 8, 9 which are inserted into grooves in the profile rails 2. The inseparable and rigid connection between the ones that meet at the miter joints Profile rails 2 and the angle pieces 8 inserted at the corners, ' 9 is carried out by means of pressed-in laps, similar to how it is described in DGM No, 7502257. The lobes are made by a tool pressed from the profile rail material into recesses in the angle pieces 8, 9.

The inner frame shell 1 is provided with an all-round groove 7 which opens towards the inside J of the building and to accommodate an existing rubber-elastic material Seal 17 is used. These seals 17 are located rir ^ snerum in the same vertical plane, which makes the sealing of the window sash easier and simpler, in contrast to others Frame constructions in which the seals are in different planes.

The groove 12, which on the building inside J by a protruding web 11 is limited, serves - apart from for receiving the corner bracket B - on the vertical struts for receiving not illustrated fittings for the window sash. The fastening of the entire window frame to the existing, solid wooden frame 13 takes place by means of screws 18, as can be seen from FIG.

609812/0706

The width of the thermal insulation strip 4 can easily be adapted to the thickness of the existing wooden frame 13 without the need for the metallic rails 2, 5 are dimensioned differently have to. Thus, the same profile rail 2 can be used for all four Sides of the inner frame shell 1 are used, which facilitates production and storage.

The profile rails located on the outside of the building A. 5, which form the outer frame shell 3, are designed the same as one another, with the exception that the lower horizontal web is provided with an additional inclined weather leg 16. However, it would also be possible for the outer frame shell 3 to use the same profile rails 5 on all four sides and to attach a weather bar 16 subsequently. The profile rails 5 of the outer frame shell 3 are also mitred and held together by corner brackets 10. The rigid connection of the profile rails 5 is also made by means of a press fit Rag.

The joints between the frame and the wooden frame 13 are closed in a manner known per se by putty or the like.

By separating the window frame into an inner and an outer frame shell 1, 3, the two can be used Frame shells 1, 3 by elimination of the light metal profile rails 2.5 different colors to give.

609 8 12/0706

Claims (3)

Claims !. ^ Light metal frame characterized by the combination following features: a) the outer metallic frame shell (3) is with the inner metallic frame shell (1) connected by an all-round thermal insulation web (4), b) the inner frame shell (1) has grooves (7) for receiving sealing profile strips (17) for sealing the window sash which are all around in the same vertical plane, c) the inner frame shell (1) consists of the same all around Profile rails (2) that form miter joints at the corners. 2. Light metal frame according to claim 1, characterized in that the inner frame shell (1) has an all-round groove (12) for receiving fittings for the window sash and stiffening corner brackets (8 _r 9). 3. Light metal frame according to claim 1 or 2, characterized in that that the outer frame shell (3) - with the exception of an additional weather leg (16) on the lower horizontal part consists of equally trained professors (5). 609812/0708 Blank page