Static structures (e.g. – buildings) – Processes – Anchor – bond – etc.
Patent
1985-08-05
1987-07-14
Bell, J. Karl
Static structures (e.g., buildings)
Processes
Anchor, bond, etc.
52 2, 52743, 52217, E06B 158, E04F 2100
Patent
active
046793739
DESCRIPTION:
BRIEF SUMMARY
The invention relates to a method for the aligning of an element, eg. frames, door frames, window frames or such to be inserted for example in a wall opening, whereby the space between the frame and the opening has to be partly filled in with foam, as well as to a device for the carrying out of the method, which comprises an expanding or compensating element.
In order to fit for example door frames or such in wall openings before filling in with foam the positioning is carried out by the use of wooden wedges to be inserted in the space between the frame and the wall opening. Over and over again it can be seen that when the frame is adjusted one or more wedges slip, so that the whole positioning has to be carried out again. This is obviously time consuming and expensive. For this reason 45 minutes can be given as an average time for the fitting of a frame in the correct position, this period of time including the assembly of the frame, setting and fixing in place. As soon as such a frame is fixed in place a hardening foam is inserted between frame and wall opening, which in the case of familiar foams hardens out within 24 hours. The wedges can then be removed and the frame completed with the door.
There are also quick-setting foams which harden after 8 minutes. Consequently it must be ensured that a frame once set does not have to be re-adjusted. The familiar wedge fixing elements do not always ensure this, which is not a disadvantage in the case of not so quick hardening foams, as sufficient time for re-adjusting is available during drying out.
It is the aim of the present invention to provide a method and device for the installation and setting of an element such as a frame, door frame, window frame or such in a wall opening or such, with which it is possible, due to the simple setting of the element, that wedges or such are not used. Ease of handling should be guaranteed thereby, whereby the device objects should be easy to set up.
According to the invention the aim is solved by a method characterised in that an exactly spaced and perpendicular installation of the longitudinal jambs of the element takes place through controlled pressure influence in two corner areas of the element. Thereby inflatable air bags are inserted preferably between the upper corner areas of the element and the wall opening, via which air bags there is controlled pressure influence on the longitudinal jambs and the crosspiece running between the former. The inflatable compensating element, which can be termed a flexible element, fits automatically to the large or less large spaces between wall openings and elements such as frames or such. Thereby the compensating element can be pumped up by means eg. of a bellows or inflating balloon, and also deflated by it. By the arrangement of flexible compensating elements in the corner areas a pressure influence results on the frame, vertically as well as horizontally, which ensures that with a frame once fixed in position a shifting in particular of the intrados parts is no longer possible.
In an embodiment of the invention expanding elements are placed between the longitudinal jambs of the element in order to set the distance between them and also to cancel the force of the compensating elements in the direction of the middle of the frame, thus ensuring that the intrados parts cannot be bent. This consequently prevents the intrados parts shifting towards each other during adjusting and subsequent filling in with foam and then hardening.
In the main the method is distinguished by the following steps for the setting of a door frame in a wall opening and the filling in with foam of the space between the two: bags between the upper corner areas of the frame and the wall opening and the inflating of the air bags, on the lock-side air bag. between frame longitudinal jambs in the area of the crosspiece and the setting of this to the required distance (specified size) of the foot of the frame, and if necessary renewed moving of the spacing element towards the crosspice, so that the spacing elemen
REFERENCES:
patent: 2960734 (1960-11-01), Collins
patent: 3571996 (1971-03-01), Braswell
patent: 3854253 (1974-12-01), Slowbe
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