Static structures (e.g. – buildings) – Window or window sash – sill – mullion – or glazing – Having a drain or vent
Patent
1984-03-28
1985-04-23
Friedman, Carl D.
Static structures (e.g., buildings)
Window or window sash, sill, mullion, or glazing
Having a drain or vent
52397, 52730, 52777, E06B 714
Patent
active
045121257
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
I. Field of the Invention
The present invention relates to elements for supporting and bracing sealed-glazing units or similar plate-like bodies intended to be placed between the edge portion of a sealed glazing unit and the surrounding frame bar in order to support or brace the sealed glazing unit at a predetermined distance from the frame bar.
II. Description of the Prior Art
Supporting and bracing elements are used when mounting sealed-glazing units between the edge portion of the sealed-glazing unit and the frame bar in order to support the sealed-glazing unit and when casement windows are used also to brace said unit laterally. The purpose of the elements is to distribute the pressure forces acting between the unit and the casement or frame in a manner so controlled that the panes of glass in the unit take up substantially equal pressure forces. The elements used up to now usually consist of an elongated, disc-shaped body, the width of which exceeds by a short distance the width of said unit. A large problem in using the known elements occurs especially when bracing said units laterally. In these cases jamming forces between the unit and the surrounding frame bar often cannot keep the elements in their positions so that the elements therefore slide down along the flange of the frame bar and are gathered in the lowermost corner of the sealed glazing unit.
SUMMARY OF THE INVENTION
An object of the present invention is to provide a supporting and bracing element of the type described in the introduction, in which the drawbacks to be found with the known elements mentioned above are entirely eliminated without using adhesive or other mounts which are expensive and difficult to handle. This is obtained with an element of the kind in question which, in accordance with the invention, comprises at least two parallel, longitudinally extending edge ribs connected to each other by a central part having a thickness less than the thickness of the parallelly extending edge ribs. Said ribs are provided with at least one loop formation located between the two edge ribs in a transverse direction preferably at one of their short sides. Said loop formation extends perpendicular to the upper-or underside of the edge ribs a distance exceeding the thickness of the edge ribs and said loop formation being provided to be jammed between the edge portion of the sealed glazing unit and the surrounding frame bar before or when mounting the sealed glazing unit.
By virtue of the invention there is now obtained a supporting and bracing element which admirably fulfils its objects, but which is simultaneously simple and cheap to manufacture. By means of the loop formation of the supporting and bracing element, it is prevented from sliding downwards before or when mounting the glazing bar. The parallel elongated edge ribs, owing to their elongated grooving, can be combined or coupled together with corresponding grooving on the edge ribs of other supporting and bracing elements without sliding laterally in relation to each other. By the special configuration of the centrally located part a drainage is obtained permitting condensation or moisture to get out from the frame bar by way of drainage openings provided in said frame bar. The locking pins extending from one side of the edge ribs in a direction opposite to the loop formation are provided to fix the supporting and bracing element in its placed position after mounting of the glazing bar.
BRIEF DESCRIPTION OF THE DRAWINGS
So that the invention will be more readily understood and further features thereby made apparent, an exemplary embodiment of the invention will now be described with reference to the accompanying schematic drawings, in which:
FIG. 1 is a perspective view of a supporting and bracing element according to the present invention.
FIG. 2 illustrates an element according to the invention mounted in a glazed frame bar.
FIG. 3 illustrates the mounting of elements in a frame bar which inclines 15.degree.-45.degree. and is intended to be use
REFERENCES:
patent: 4458464 (1984-07-01), Borghetto
Eriksson Lars E.
Rickardsson Gote
Eriksson Lars Erik
Friedman Carl D.
Smith Creighton
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