Stoves and furnaces – Fireplaces or accessories
Patent
1989-12-01
1991-03-05
Dority, Carroll B.
Stoves and furnaces
Fireplaces or accessories
110336, 126513, F24B 118
Patent
active
049969730
DESCRIPTION:
BRIEF SUMMARY
The present invention relates to a method for manufacturing and mounting fire-places, e.g. stoves, a device for mounting such fire-places as well as a stove.
Fire-places, e.g. masonry stoves, have been used for a long time.
Stoves are thus known since the eighteenth century and are very efficient sources of heat.
Since a stove is built in a comparatively complicated manner, it is very laborious to build up a stove of bricks or another suitable stone material in the conventional way, an advanced craftmanship being also needed in order to achieve a satisfactory result. Consequently, stoves are nowadays expensive.
This has resulted in efforts to build stoves in a more simple way and manufacture them from prefabricated larger blocks. Such a stove construction is described in Swedish patent No. 8102543-9.
The object of the present invention is to further simplify the manufacture and mounting of masonry fire-places in general, particularly stoves, in order to be able to install it without the expert knowledge of a stove constructor.
Thus, according to the invention a fire-place is manufactured in two halves in a factory, preferably from blocks according to e.g. the Swedish patent cited above, and subsequently the fire-place halves are transported to the place where they are to be mounted and installed. Since each fire-place half e.g. in the case of stove-halves typically weighs 800-1000 kg, one has so far considered it as impossible to carry such heavy units into a residence and to mount one of the units on top of the other. The present invention suggests a surprisingly simple solution to this problem, which so far has been considered insoluble.
By the present invention a plurality of very important advantages are achieved in this way. Thus, the manufacture of the fire-place can be done under better control, the manufacture as well as the installation will be simpler and less expensive, and a stove constructor's expert knowledge is not required, which is a very important advantage since the shortage of stove constructors is flagrant.
The invention accordingly involves a complete novel concept in the present technical field.
The device according to the present invention thus comprises a lifting frame on wheels, by means of which frame the upper fire-place half is lifted and adjusted on top of the lower fire-place half when mounting the fire-place. This operation has, as mentioned, so far not been considered feasible to accomplish in residences, since when transporting such heavy plants trucks of various types have been used, which can not perform such a lifting indoors. Also, the device according to the invention can, during the transport, be used for lifting the fire-place halves from one level to another, e.g. from the ground up on a bridge a few fast steps above the ground.
In accordance with another advantageous embodiment of the invention each fire-place half is provided with lifting means including a metal frame, which is attached around the outer edges of the fireplace half and in which the lifting frame is intended to engage. This metal frame can include iron profiles at the top face and the bottom face of the fire-place half along the outer edges as well as bars extending from the top face to the bottom face of the fire-place half at the corners of the fire-place half, which bars are threaded in order to attach the profiles of the top face and the bottom face to each other by means of screwing. In this way the strength of the fire-place half is improved too, which may be of importance for reducing the risk of damages during the transport.
In embodiments, in which the outer surfaces of the fireplace are intended to be directly painted, said bars extend in holes through the corner regions of the fire-place halves inside the outer surfaces. Said holes are preferably somewhat larger than the diameter of the bars such that the bars can move through the holes e.g. during temperature fluctuations without producing stresses.
According to another aspect of the invention an insert to produce hot water, is placed i
REFERENCES:
patent: 3721225 (1973-03-01), Tidwell
patent: 4164931 (1979-08-01), Jenkins
patent: 4562826 (1986-01-01), Litta
Cronspisen Kakelugnsmakeri AB
Dority Carroll B.
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