Static structures (e.g. – buildings) – Cast in situ loading bearing monolith with coextensive... – Tie between block-type units
Patent
1990-02-26
1991-11-12
Ridgill, Jr., James L.
Static structures (e.g., buildings)
Cast in situ loading bearing monolith with coextensive...
Tie between block-type units
52714, 52383, 2482181, 248249, 211106, E04B 138
Patent
active
050637215
DESCRIPTION:
BRIEF SUMMARY
It is known to attach insulating sheets in the form of plates and webs on a wall with the aid of brackets extending from the wall, the sheets being attached to the wall by causing the brackets to extend through the sheets such as to form suspending means therefore. It has previously been suggested to manufacture the bracket from plate material.
In order to attach to the brackets a surface covering such as wall panel, facade, sheets of wood, plating, lacquered plate, but also for attaching a grid carrying plaster intended to form a finished wall surface, it is known from my Swedish patent application 85 02247-6 to provide the bracket with a recess into which an horizontally directed bar is inserted. The bar serves to retain a layer of insulating material which is pressed steadily onto the bracket and thereby is pierced by the bracket. The bracket also has a second recess for receiving a beam or bolt. The beam serves as a support in which the facade sheet or the like is anchored.
A disadvantage of the known bracket resides in the fact that it is difficult to set up and that it is relatively bulky whereby handling is troublesome and storing on the work place requires space.
Brackets for attachting only insultating material but not wall-facing material are known from e.g. SE-A 338 143, SE-A-403 310, SE-A-423 419. These knwon brackets are manufactured from wire and for attaching the insulation to the brackets separate ties are used which also are made of wire.
From SE-A-395 941 there is known a bracket manufactured from a plating through which the insulation is passed. When the insulating plate is in position, the plate strip is bent in order thus to achor the insultating sheet.
U.S. Pat. No. 3,471,988 shows a wire clamp intended to be inserting to a brick wall. Subsequently a wooden board is attached to the clamp. These clamps are in particular used around window and door openings in brick walls. Neither insulating slabs nor facade sheets are attached to the clamp.
In accordance with the present invention it is suggested to manufacture the bracket out of wire which is bent to such shape that it has sufficient strength to support the insulating slabs as well as any wall panel used. The bracket according to the invention has an attaching device intended to support a beam or cross bar retaining the perforated insulation against the wall and serving as a support for a facade sheet or the like.
One of the advantages obtained by the invention resides in the fact that the same type of bracket may be used throughout the whole wall and that various types of wall cover may be attached to the wall. In the central portion of the wall it is for example possible to attach facade panel of wood to the brackets, above, under the eave, panels of plating may be attached to the brakets and on the lower portion of the wall a plaster layer may be supported by the brackets. All these layers are provided on te outside of the insulating slabs attached to the brackets and a air gap exists between the insulating slabs and the facade cover.
In accordance with a preferred embodiment of the invention the position of the screw with which the bracket is anchored in the wall is shifted into the arm of the bracket so that the moments due to which the facade cover under the action of gravity tends to turn the bracket in the downward direction is compensated by maximum moments with which a negative pressure caused by wind acting on the wall tends to turn the bracket in an upward direction. This has the advantages that the force with which the screw is anchored in the wall may be reduced to only about 36 kg.
A bracket manufactured out of wire is resilient i.e. elastic in both the horizontal and vertical directions which means that the brackets absorb the temperature stresses to which the wall panels are exposed during respectively the day and the year. Hereby cracks in the wall facade are avoided.
Other advantages of the wire bracket according to the invention appear in connection with the attachment of the insulating slabs. When the brackets hav
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patent: 1972505 (1934-09-01), Wilson
patent: 2661515 (1953-12-01), Nelsson
patent: 3300939 (1967-01-01), Brynjolfsson et al.
patent: 3471988 (1969-10-01), Allen
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