Structural component and a method and machine for its manufactur

Static structures (e.g. – buildings) – Composite prefabricated panel including adjunctive means – Sandwich or hollow with sheet-like facing members

Patent

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Details

52693, 5230911, 523097, 144347, 264 465, 264 462, 425122, 425127, E04C 250

Patent

active

047810092

DESCRIPTION:

BRIEF SUMMARY
In the art of building materials there is known a structural component intended for wall structures which comprises an elongated box-like element having two mutually opposing side members which define a cavity therebetween and the mutually facing inner surfaces of which present longitudinally extending grooves, and between which side members there are located distance pieces having projections which engage in the grooves.
In the manufacture of structural components of this kind it has been necessary to employ hitherto methods which can be described more or less as handicraft methods, which has made manufacture a slow and expensive process.
One object of the present invention is to provide a method and a machine for enabling the continuous manufacture of such structural components in a rational fashion.
The method and machine according to the invention can also be utilized to manufacture a further development of the aforesaid structural component intended for wall structures, this modified structural component being suitable for use as a self-supporting floor component and the like.
Consequently, a further object of the invention is to provide a structural component of the aforedescribed kind which is capable of being used as a component in floor structures.
One advantage afforded by a structural component of the aforesaid kind is that the component obtains and retains its final form immediately the plate-like distance pieces are brought into engagement with the side members of the component. This advantage is utilized in the method of the manufacture according to the invention, which enables such a structural component to be produced continuously in indefinite lengths, and then cut into required lengths.
The method according to the invention for manufacturing a structural component of the aforesaid kind is particularly characterized by advancing longitudinally to a receiving station pairs of mutually spaced boards or the like which are operative in forming the side members of the component and which have grooves provided in the mutually facing surfaces thereof; by placing and supporting the plate-like distance pieces on an endless belt extending in the longitudinal direction of the boards and moving said belt at a speed corresponding to the speed at which said boards are advanced; by bringing the distance pieces between the boards of an incoming pair of boards; and by pressing the boards towards one another as they leave the station, so as to bring the projections on the distance pieces into engagement with the grooves in the inwardly facing surfaces of the boards.
In this regard the distance pieces are preferably supported by supporting means mounted on the belt and projecting in between the boards.
When manufacturing insulated structural components, insulating foam can be ejected continuously into the aforesaid cavity as the building structural component leaves the station for fitting of the aforesaid distance pieces, these distance pieces separating the cavity into a plurality of separate compartments, wherewith the normally open sides of the cavity are held closed with the aid of belts or bands which extend along and are pressed against the edge surfaces of the side members of the component under construction.
The particular characteristic features of a machine for manufacturing a structural component when using this method are set forth in the following claims
The aforementioned further development of the structural component described in the introduction for use as a self-supporting floor component or the like, where the side members of the structural component respectively form the top and bottom surfaces of the floor structure, is characterized in that each of the side members is provided with an upwardly facing groove which extends along one longitudinal side edge of the structural component, and with a
correspondingly downwardly depending tongue along the other longitudinal side edge of the component. A tongue and groove joint of this construction, formed at right angles to the plane of the board

REFERENCES:
patent: 3246058 (1966-04-01), Voelker
patent: 3249659 (1966-05-01), Voelker
patent: 3283464 (1966-11-01), Litzka
patent: 4441291 (1984-04-01), Sokoler
patent: 4501102 (1985-02-01), Knowles

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