Hydraulic binder-based, tapered-edge boards, production method and production line therefor, and inner structure construction method
A technology of adhesives and production lines, applied in the direction of manufacturing tools, buildings, building components, etc.
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no. 1 example
[0144] According to one embodiment, recesses are not used with respect to the introduction of the slats. In this case, the device for making the recesses is only used in the production line. After curing of the hydraulic binder, the recesses formed in the preform will result in a shape with conventional longitudinally thinned edges and recesses corresponding to the recesses. Depending on whether the recess 12 or 12a is employed, the recess is on the opposite side of the surface carrying the conventional longitudinally thinned edge, or on the same side. According to a first embodiment, a recess 12 is preferably employed, thus on the opposite side of the surface bearing the conventional longitudinally thinned edge. The advantages thereof will be described later in connection with the method for constructing an internal structure according to the present invention.
[0145] Production line for the manufacture of panels based on hydraulic adhesives
[0146] The device accordi...
no. 2 example
[0186] This embodiment corresponds to the situation in which the slats are introduced not before the first forming strip, but between the first and the second forming strip (or possibly between the second and the third forming strip, according to specific circumstances) introduced. It is conceivable here that the conveyor belt 7 is substantially divided into a plurality of elements called shaped strips. The shaped strip 1 is the preceding strip. Conventional conveyor belts generally consist of two or three, or even four forming strips. As previously mentioned, these forming strips include strips for forming longitudinally thinned edges.
[0187] Other elements remain unchanged (recesses 12 or 12a, as the case may be) except that the slats are introduced on the production line where the hydraulic binder starts to hydrate (see description below in the third embodiment). The other constituent elements are offset accordingly (for example the leveler 4a is offset to or after the...
no. 3 example
[0190] This example is shown in Figure 17 middle. In this figure, the recess 12, in particular produced by the apparatus according to the invention, is formed by pushing upwards of the device 300 located below the preform. This system is in fact the inverse of the system forming the subject of US Patent 2991824. In addition, compared to this patent, the system for pushing in to form the recess is placed downstream of the forming device. Advantageously, this inverted device is placed between strips 1 and 2 (but it could also be placed between strips 2 and 3 if desired). The unit is placed in the production line at the point where the hydraulic binder begins to hydrate. Preferably, the device is located where 5% to 30% hydration occurs and / or at 40 to 110 m along the length of the conveyor belt 7 (eg for a production line with a speed of about 70 m / min).
[0191] The device 300 is placed between the strips 1 and 2, indicated at 301 and 302 respectively. These strips are dr...
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Abstract
Description
Claims
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