GB2196045A - Window framing - Google Patents

Description

1 GB2196045A 1 SPECIFICATION More especially, one of the extrusion mem-

bers is generally of J-shaped cross-section, Improvements in and relating to framing for with the stem carrying the keying means in windows or other panelling the form of teeth on the side opposite to the 70 direction of the in turned J-end, whilst the The present invention relates to a frame con- other extrusion member is of generally L struction essentially, but not exclusively for shaped cross-section. The L-shaped extrusion windows, and in particular to frame parts member is fitted closest to the support made as extrusion members. means, with the stem of the other member A known window frame construction is 75 overlying it.

formed by a plurality of elongate extrusion With say a rectangular frame formed by as- members typically alloy, for say top, bottom sembling the extrusion members within an and two sides (minimum of four), which are aperture, and the glass fitted in position, the fitted within an aperture in a framework, door J-section extrusion member is held in contact or,other support means. Each extrusion mem- 80 with the other extrusion member so that the ber has a generally J-shaped cross-section, keying means are held in contact and the with the stem of the extrusion provided with frame cannot be displaced from the aperture holes for securing it by means of screws or by force as any impact applied to one or the like to the support means. For each extru- other of the members causes the frame mem sion member, an elongate locating bead is 85 bers to grip more tightly the support means.

povided which serves to hold the glass in Screws may be employed additionally through place within the frame. The locating bead en- one or both of the flange sections to further gages with the turned in J-end of the extru- aid security.

sion member to press the glass towards one It will however be appreciated that the as- half of the head of the extrusion member. The 90 sembly can be made quickly by use of the other half of the head is normally positioned construction according to the present inven up to support means, usually on the internal tion.

side. The present invention will now be described The described frame construction suffers further hereinafter, by way of example only in from the disadvantage that fixing in position is 95 relation to a window frame, with reference to time consuming by the need t(S fix screws in the accompanying drawings; in. which:- position, and the resulting fixing, in a forced Figure 1 is a section through one embodi- entry situation, can break away relatively eas- ment of extrusion according to the present ily. invention, and Accordingly, it is an aim of the present in- 100 Figure 2 is a detail of the preferred keying vention to provide a frame construction for a means.

window or another panel which is more easily The drawing of Figure 1 shows a section fixed in position and yet which affords a more through one side of a window frame construc secure fixing. tion. The support means is shown at 1. This According to the present invention then, 105 may be a door panel with an opening in it to there is provided a frame construction for be fitted with the window, a frame member of holding glass or other panelling in a support stud wall partitioning, or even masonry.

structure, comprising first and second elongate In the illustrated embodiment one extrusion 41 extrusion members to locate the members member 3, is of simple L - -shaped cross-sec- relative to one another about support means 110 tion although more complicated sections may for the frame with a respective rim part of be utilised providing they have a rim part 5, each member disposed adjacent opposite and a flange part 7. As will be seen, the L sides of the support means. shape embraces an edge of the support In one embodiment the keying means corn- means, with the rim part 5 positioned up to a prises barb like projections and recesses on 115 surface of the support and the flange part 7 the two members with inclined teeth arranged against the boundary of the aperture to which to slip over one another on assembly as the the frame is fitted, or some packing means two members are slid towards one another, therebetween for spacing purposes.

yet keying with one another to prevent move- The other member 9 is of generally J- ment apart of the two members at least in 120 shaped construction, being more complicated one plane, the two members overlap one to facilitate window pane placement and re another to provide the keying means. tention. It provides a rim part 11 which is More particularly, the members have a re- positioned up to an opposite surface of the spective flange part extending generally normal support means, i.e. on an opposite side to the plane of the of the window or panelthereof to the rim part 5. The stem of the J ling, which parts overlap to a lesser or greater shape constitutes a flange part 13, which is extent on assembly depending on the thick- positioned overlying the flange part 7. Also ness of the support, (door panel etc.) to provided is a window pane abutment 15 and which the window/ panel ling is to be fitted. an inturned lip 17.

Said flange parts carry the keying means. 130 A window pane, shown dotted at 19, is 2 GB2196045A 2 held in position against the abutment 15 by a direction.

locating bead 21, which is in the form of an 3. A frame construction as claimed in claim elongate extrusion, which engages with the lip 1 or 2 in which the members have a respec- 17. tive flange part extending generally normal to Each of the extrusion members 3, 9 has 70 the plane of the glass/panel ling, which parts mutually engagable keying means, which take overlap to a lesser or greater extent on as the form of teeth 23 shown in larger detail in sembly depending on the thickness of the Figure 2, the encircled part A of Figure 1. The support, to which the frame is to be fitted.

teeth have inclined parts 25 and shoulders 27. 4. A frame construction as claimed in claim The shape of the teeth is such as to allow 75 3 in which said flange parts carry the keying relative movement between the members in means.

the direction of the arrows B, but to prevent 5. A frame construction as claimed in any movement in the opposite direction. one of claims 1 to 4 in which a first one of The stem part 13 has teeth substantially the extrusion members is generally of J- along its entire width as shown, whilst the 80 shaped cross-section, with the stem carrying -C flange part 7 has teeth principally at the end the keying means in the form of teeth on the thereof (say four teeth). This is to allow vari- side opposite to the direction of the in turned ous thicknesses of door panel etc. to be ac- J-end.

commodated. Teeth of 1 mm height and a 6. A frame construction as claimed in claim pitch of 2 mm are considered satisfactory. 85 5 in which the second one of the extrusion Once the extrusion members have been members is of generally L-shaped cross-sec- fitted in position, and the window pane lo- tion.

cated in place, the frame construction is held T A frame construction as claimed in claim securely in position in the aperture in the sup- 6 in which the L-shaped extrusion member is port means, because, the extrusion member 3 90 fitted closest to the support means, with the is held against the support means and the stem of the first member overlying it.

extrusion member 9 is held against the mem- 8. A frame construction as claimed in any ber 3. Thus, the keying means is effective to one of the preceding claims in which the first prevent outward displacement of both mem- and second extrusion members are held with bers, i.e. away from the position embracing 95 the keying means in engagement by the pres the support means. The window pane is held ence of glass or panelling in the frame.

in place by positioning the locating bead 21 9. A frame construction as claimed in claim so that it engages between the turned in J 8 in which the cooperation of the frame mem end 17 and the window pane. 19. Screws are bers, the presence of the panelling and the used to locate the bead securely in position, 100 form of the keying means is such as to cause with the screws passing through the extrusion the frame members to grip more tightly the member and into the support means. support means if any separation force is ap- By this simple construction ' the assembly of plied to the frame members.

a window frame is made easier and yet pro- 10. A frame construction as claimed in any vides a secure fixing. 105 one of the preceding claims further comprising To further aid security, fixing means may be fixing means through one or both of the extru- employed, for example screw means passing sion members into the support means.

through holes, in one or both of the flange 11. A frame construction for holding glass parts 7, 13, see dotted outline of hole at 29. or other panelling in a support structure Con- It will be understood that the glass may be 110 structed and arranged and adapted to function replaced by other panelling. substantially as hereinbefore described with reference to and as illustrated in the accom

Claims (2)

CLAIMS panying drawings.

1. A frame construction for holding glass or other panelling in a support structure, compris- Published 1988 at The Patent Office, State House, 66/71 HighHolborn, London WC 1 R 4TP. Further copies may be obtained from ing first and second elongate extrusion mem- The Patent Office, Sales Branch, St Mary Cray, Orpington, Kent BR5 3RD.

bers provided with mutually engagable keying Printed by Burgess & Son (Abingdon) Ltd. Con. 1/87.

means to locate the members relative to one another about support means for the frame with a respective rim part of each member disposed adjacent opposite sides of the sup port means.

2. A frame construction as claimed in claim 1 in which the keying means comprises barb like projections and recesses on the two members with inclined teeth arranged to slip over one another on assembly as the two members are slid towards one another, yet keying with one another to resist movement apart of the two members in the opposite