Movable or removable closures – With means mounting closure for reciprocation – Drain or vent in guide or sash
Patent
1993-03-31
1995-02-14
Milano, Michael J.
Movable or removable closures
With means mounting closure for reciprocation
Drain or vent in guide or sash
49381, 49504, E06B 714
Patent
active
053883721
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND
I. Field of the Invention
The present invention relates to a metal section with an octagonal cross-section for window or door frames.
II. Related Art and Other Considerations
Aluminum alloy metal sections have been used for the construction of window or door frames of various kinds, in particular for external windows.
It is also known that the same section may be used for the fixed parts and for the movable parts of the window or door frame.
As shown in the utility model application No. 21900 B/89 filed on Oct. 10, 1989 in the name of the same applicant, such a section has a tubular shape with a substantially rectangular cross-section such a section has two essentially flat larger sides provided with respective pairs of outer flaps suitable for defining respective C-shaped cavities for connecting parts of a hinge to other members to be associated with the section. Such a section also has two smaller sides perpendicular to the previous ones, which extend in abutment elements suitable for defining, with the smaller sides themselves, the inner front and the outer front, respectively, of the window or door frame.
Again according to the known art, with two equal sections it is possible to accomplish a connection of the traditional type, that is with seals in turn of the traditional type, acting by compression and housed in appropriate seats of the abutment elements. It is also possible to connect one of these sections to a section of a slightly different type for accomplishing a connection of the open-joint type, that is with the seal floating inside the window or door frame.
In the traditional solution the stagger between the two abutment elements is used to house the seals, while in the open-joint solution there is a substantial coplanarity of the outer sides and a variable seal is arranged in an internal space between the two sections.
In both cases there can be an leakage of water which stagnates inside the window or door frame without drainage.
The object of the present invention is to overcome such a drawback with a metal section shaped so that any water that has infiltrated between the fixed part and the movable part of the frame can be eliminated immediately.
SUMMARY
According to the invention such object is attained with a metal section for window or door frames, having a tubular shape with a substantially polygonal cross-section. The metal section is provided with two larger faces opposite to one another and two smaller faces forming a connection with said larger faces. The smaller faces extend to form abutment elements suitable for defining with said smaller faces the inner front and the outer front, respectively, of the window or door frame. The said larger faces comprise respective central portions parallel to one another provided with flaps defining C-shaped cavities for housing and connecting various members of the window or door frame. Each of said larger faces also comprises lateral portions converging towards the corresponding lateral portions of the other larger face until they connect with said smaller faces.
At the intersection between said smaller face defining the outer front of the window or door frame and said first larger face there is at least one hole suitable for allowing any water that may have infiltrated to flow away.
In such way the presence of the inclined lateral portions allows the formation of a kind of small lateral reservoir in which any water that may have infiltrated is invited to collect and then to flow away through the above hole. Water will thus be prevented from stagnating inside the window or door frame.
BRIEF DESCRIPTION OF THE DRAWINGS
The features of the present invention shall be made more evident by the following detailed description of an embodiment illustrated as a non-limiting example in the enclosed drawings, wherein:
FIG. 1 illustrates a metal section according to the invention;
FIGS. 2 and 5 illustrate respective methods of utilization of the metal section according to the invention, with the traditional solution with a seal and with th
REFERENCES:
patent: 2768716 (1956-10-01), Gillespie
patent: 2918706 (1959-12-01), Rust et al.
patent: 3555736 (1971-01-01), Koch et al.
patent: 3570182 (1971-03-01), Bakke
patent: 4259813 (1981-04-01), Winner et al.
patent: 4941288 (1990-07-01), Morton
Hydro Alluminio Ornago S.p.A.
Milano Michael J.
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