Statically stable frame with full thermal break for windows and

Details Statically stable frame with full thermal break for windows and Statically stable frame with full thermal break for windows and

1992-05-19

1994-12-20

Friedman, Carl D.

Static structures (e.g., buildings)

Framing to receive door, doorjamb, or window sash

52208, 52209, 52788, E06B 700

Patent

active

053736710

DESCRIPTION:

BRIEF SUMMARY
The present invention relates to a statically stable frame with full thermal break intended to frame windows and facade elements as disclosed in the disclosure part of claim 1.
Window frame structures for windows and for the fixation of facade elements to a building have long been known. Recently, however, the requirement that such constructions have a high insulation value, in other words a low k-value and if at all possible no cold bridges, in other words that there should be a complete thermal break, has gained in importance. Especially for the construction of windows, in recent years constructions have been known which attain acceptable average insulation values with use of two or three glass panes. The frames used for that type of construction, corresponding to the fashions of the time, have most often been realized of plastic or light metal, predominantly aluminum and aluminum alloys, and do not attain the k-value of about 0.8, attainable by the multiplicity of glass panes. For the most part, they assume constructions which do not include complete thermal breaks and have an insulation value or k-value of approximately 1.7 or higher, which consequently is without any doubt poorer insulation than that of the panes.
In modern conventional structures with masonry wall parts or particularly solid wall parts wherein the window frames make up about 30% of the facade surface, this factual situation regarding poor insulation is a considerable drawback. Therefore the object of the invention is to disclose a frame for windows and facade elements which overcomes these drawbacks and facilitates the attainment of a k-value of approximately 0.8.
This object is attained according to the invention by a frame construction as described in claim 1.
One advantageous exemplary embodiment of a frame construction according to the invention is to be described in the following relative to the example of a window frame shown in the drawing. In the drawing
FIG. 1 is a vertical section through a perspective of a window with a frame construction according to the invention, in the region of the bottom vertical part of the frame,
FIG. 2 is a detail of the individual elements of the frame shown in a vertical cross section through the bottom vertical frame part,
FIG. 3 is a corresponding vertical cross section through a part of the frame construction at the site of the pane-holding block supporting the glass panes, and
FIG. 4 is a horizontal section through the frame in the region of one of its vertical parts.
A double-pane window with outside pane 1 and inside, traditionally somewhat thinner, pane 2, which are advantageously held together in a known manner by means of edging crosspieces 3 to form a double pane 4 and to define the two sides of a hollow space which is advantageously evacuated or is filled with inert gas or dry air is shown in FIGS. 1, 2 and 4, This double pane 4, as with traditional windows, is advantageously inserted into an inside frame 5 to be able to pivot at least around a vertical axis, the frame advantageously consisting primarily of wood and having an inside frame part 6 running all the way around the window, with which is connected a first insulation element 7 which likewise runs all the way around the window. Element 7 is supported on an inside frame transverse part 8 which is mechanically tightly connected with inside frame part 6 and supports an outer inside frame part 9, which advantageously likewise is of wood. The cited first insulation element 7 is advantageously a sandwich element with mechanically tight outside plates and a rigid foam core, which can receive or respectively can transfer forces, even shearing forces, into the outside frame.
As shown in FIG. 3, double pane 4 is supported in a known manner in the region of the pivot axis of the window casement standing vertical and not visible in the drawing by means of a pane-holding block 10 supported on first insulation element 7 and outer inside frame part 9. Between inner inside frame part 6 and double pane 4 and also between first insulation eleme

REFERENCES:
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patent: 3703063 (1972-11-01), Budich et al.
patent: 3919815 (1975-11-01), Alabaster
patent: 4608796 (1986-09-01), Shea, Jr.
patent: 4715152 (1987-12-01), Tanikawa
patent: 4873803 (1989-10-01), Rundo
patent: 4897975 (1990-02-01), Artwick et al.

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