JPS6023758B2 - How to renovate old iron window frames - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for refurbishing a window frame in which a new window frame is inserted and fixed onto the inner peripheral surface of the old iron window frame without removing the old window frame.

In order to install a new window frame in place of the existing window frame, for example because the window frame is old and you want to update it, or because you want to change the structure, you must first remove the existing window frame and install the new window frame. Although there is a method of attaching a frame, it generally requires a large amount of man-hours to remove it, and the labor costs are therefore high.

For this reason, a new window frame is installed on top (on the inside as a window) without removing the existing old window frame. One method is to drive a number of anchor bolts from above the old lower frame to the window base, weld a steel reference piece to these, place the lower frame of the new window frame on top of this, and then For the left and right vertical frames, the same method is used to move between the old frame and the new frame. Although this method is an excellent refurbishment method for severely aged buildings, it requires a large number of anchor bolts and welds in narrow, difficult-to-weld areas, making it labor-intensive. By the way, if you carefully examine old iron frames, you will find that in most cases, it is the bottom frame that is severely corroded, while the top frame and left and right vertical frames have no progress in corrosion.

In such cases, a simple and reliable means of installing the lower frame of the new frame will greatly facilitate the installation of windows. The present invention was developed out of consideration for such theater viewing, and one embodiment thereof will now be described with reference to the accompanying drawings.

Fig. 1 is a front view of the interior of a window frame renovated by the method of the present invention. The upper frame 4, the lower frame 5, and the left and right vertical frames 6, 6, which were newly renovated and made of aluminum shapes, were framed in a rectangular shape and inserted onto the inner circumferential surface of the old frame. shown. However, as will be explained later, in order to create a gap between the old frame and the new frame, there is one picture frame on all four sides.
Since 1 has been passed around, the number of the new frame material is indicated by the number in parentheses. As shown in the second figure, the new upper frame made of aluminum profile used in the present invention has a
The fixed piece holding parts 4b and 4c have a cross-sectional shape in which they face each other and protrude integrally toward the wall.

In addition, the rain cover 15, which has a T-shaped cross section with the outdoor side wall 15a and the leg wall 15b, is designed so that when the outdoor side wall 15a is inserted into the old window frame, the gap between the two frames is hidden. The outdoor side wall 15a is a metal profile having the same length as the new upper frame, which serves as a decorative surface. The reinforcing iron plate 14 has an inner flat plate part 14a which is equal to the outer gap between the fixed piece holding parts 4b and 4c of the new upper frame described above, and has an L-shape, that is, a two-fold bend 14b in a right angle direction, at its indoor end. ,14c
It is an iron shape having the same length as the extended new upper frame, and the part 14c is the mounting wall for the frame 11.

As shown in the second and third figures, if the part 14b is made to circumscribe the indoor side hanging wall of the new frame, it is easy to determine the position for fixing to the new frame, and it is also easy to securely fix it. The fixed piece 13 is a left-right and left-handed short metal strip whose both ends are shaped to insert the pair of fixed piece holding parts 4b and 4c, respectively, and the surface that comes into contact with the reinforcing iron plate 14 during use is , is flat so as to be in close contact with the iron plate.

This makes it easier to work because it can be stably attached to the reinforcing iron plate during use. To attach the rain cover 15 to the new upper frame 4, first insert the fixing piece 13, which is a short metal piece, between the fixing piece holding parts 4b and 4c of the new upper frame, and then insert the fixing piece 13 into the new upper frame.
As a result, the flat plate part 14a of the reinforcing iron plate and the leg drop 15 of the rain cover
This is done by fixing b integrally to the fixing piece 13 with screws 17.

The left and right new vertical frames are constructed symmetrically, and the right vertical frame is shown in FIG. The shape of the new vertical frame and the rain cover attached to it are essentially the same as the new upper frame, and the method of securing it is also the same as that of the new upper frame. It is sufficient to read the mark 4 in the above-mentioned new upper frame as the mark 6. New lower frame made of aluminum profile 5
As shown in FIG. 2, a base 5b having a shoji running rail is formed between the upright wall 5a on the indoor side and the hanging wall 5c on the outdoor side in the form of a water gradient or steps (not shown). It is a molded material.

Before this new lower frame is assembled into a new frame, a standard iron plate 7 is fixed. The reference iron plate is the frame mounting vertical 7a from the indoor side,
A vertical wall 7b supporting the lower frame upright wall 5a, a horizontal wall 7c bent at a right angle from the lower end of the arm and supporting the lower frame base wall 5b, and a front hanging wall 7d extending forward and downward from the outdoor end thereof. It becomes. The front flower crab 7d does not necessarily require a vertical wall; in the figure, it is bent diagonally downward at the middle part, and there is a draining plate 1 there.
0 is being searched for, and what is required is that the lower end of the front wall hang down toward the vicinity of the outdoor unit of the old lower frame 2. The new lower frame 5 and the reference steel plate serving as the through material are fixed together using screws 18. In the method of the present invention, first, a new upper frame and a vertical frame on which the rain cover plate 15 is fixed as shown above and a new upper frame on which the reference iron plate 7 is fixed are used to form a frame into a rectangular shape as usual. and roughly erect the new window frame.

Once assembled, the new frame is hung into the old window frame from the outside.

Then, of course, the outer wall 15a of the rain cover comes into contact with the old window frame, and positioning in the left and right direction is automatically achieved. Therefore, the horizontal wall 7c of the reference iron plate was placed on the high point 2a of the remaining part of the old lower frame, and if necessary, the height was adjusted by twisting the wedge 8, and the position was adjusted so that the horizontal wall was kept horizontal. to properly position the new window frame on the inner peripheral surface of the old window frame. Next, spacing pieces 9 made of round steel are used to weld the reinforcing steel plates to the old upper frame 1 and vertical frame 3 sides, and the reinforcing steel plates are welded to the former upper frame 1 and the vertical frame 3 at certain places. The remaining portions 2a, 2b and the reference steel plate are similarly welded using the spacing pieces 9. Once this is completed, the draining board 10 is fixed to the front hanging wall 7d of the standard iron plate with screws 12, and on the indoor side, the frame 11 is attached using the frame mounting walls 14c and 7a, and the new frame is installed. The installation has been completed and the old window frame has been renovated. As mentioned above, the present invention focuses on the fact that even if an old window frame requires renovation, it is rare that the part to be welded has deteriorated to the point that there is no longer any part to be welded. Since the reinforcing iron plate or reference iron plate, which is a through material, is placed on the side and then drilled into the old frame, it is possible to melt any part of the old frame that remains.

Since welding is the simplest and most economical fixing method, the advantages of welding can be fully utilized in the method of the present invention.

[Brief explanation of drawings]

Fig. 1 is a front view of the interior of a window renovated by an example method of the present invention, Fig. 2 is a cross-sectional view of the window, and Fig. 3 is its mm-m
FIG. 1 is the old upper frame, 2 is the old lower frame, 3 is the old vertical frame, 4 is the new upper frame, 5
is the new lower frame, 6 is the new vertical frame, 7 is the standard iron plate, 8 is the wedge, 9
1 is a spacing piece, 10' is a draining board, 11 is a picture frame material, 12 is a screw, 13 is a fixing piece, 14 is a reinforcing iron plate, 15 is a rain cover piece, 1
6 is the interval piece. Figure 1 Figure 2 Figure 3

Claims (1)

[Claims] 1 The new upper frame 4 and the new left and right vertical frames 6, 6 are made of a metal profile that integrally has a pair of fixed piece holding parts 4b, 4c facing the wall side, and the reinforcing iron plate 14 is the new upper frame. A flat plate part 14a, which is an iron profile having the same length as , and has a width equal to the outer gap of the pair of fixing piece holding parts 4b and 4c, is bent into an L-shape at its indoor end and extends indoors. The fixing piece 13 has both ends that form a picture frame mounting wall 14c.
Each retains a shape into which the pair of fixing piece holding parts 4b and 4c are inserted, and is a short metal member whose surface that contacts the reinforcing iron plate during use is flat; A metal profile having a T-shaped cross section with the leg wall 15b and having a length equal to the new upper frame length, the leg wall 15b and
A new upper frame 4 in which the flat plate part 14a and the fixing piece 13 inserted into the pair of fixing piece holding parts 4b and 4c are integrally connected, a new left and right vertical frame 6, and a new fixed iron plate 7 are fixed. The new window frame, which is a rectangular frame made up of the lower frame 5, is fitted into the old window frame from the outdoor side, and the rain cover 15 is brought into contact with the old window frames 1 and 3, using the wedge 8 if necessary. The reference iron plate 7
is placed on the old lower frame 2, and then a reinforcing iron plate 14 and a reference iron plate 7 are each welded and fixed to the opposing old frame via a spacing piece 9. .