DE77920C - Process for the production of patterned cement panels - Google Patents

Description

, r

IMPERIAL A PATENT OFFICE,

Mediated in the previously customary process for the production of patterned cement panels Stencils always had the disadvantage that the different masses of color possessed different depths and that sharp outlines could not be achieved. The first Evil condition, which naturally leads to a waste of the color masses, because after sanding off the colored layers from the smallest depth, the picture is destroyed without that the remaining layers of paint have already been completely worn off is due to the fact that one the paint mass cannot be wiped off after filling. The second evil is that Attribution to the design of the previous stencils. Namely, they consist of a framework, which corresponds to the outlines of the ornament to be produced. Because now such a template on the Prefsplatte due to the very narrow boundary edges does not form a significant seal, the paint easily enters from an area neighboring area over what happens all the more as the stencil only very lightly and bends easily. Remain on earth after removing the template Joints between the individual areas of color, which closed with the subsequent pressing, but not sharp Deliver contours.

These inconveniences are now remedied by the present procedure.

In Fig. 2 an ornament is illustrated, which by means of that shown in Fig. 1 in section Stencil / to be made.

The template / is different from the hitherto by the fact that it does not consist of a framework corresponding to the outlines, but shows a form which corresponds to a certain color part of the ornament, e.g. B. the yellow, corresponds to, d. H. so, it is the whole part which is supposed to turn yellow in the ornament, modeled from metal. In this way, the stencil receives a strong formation, which does not allow bending and when placed on the Prefsplatte c presents wide sealing surfaces, the weight of the plate. the seal still increased.

Proceed as follows:

The template / is placed on the Prefsplatte c mounted on the bottom of the price box α . The template / is so high that, after it has been placed on the plate c , its upper edge cuts off at the level of the upper edge of the box. The template is provided with an edge g , which rests on the upper edge of the Prefskastens.

You fill in the known way the different color masses in the appropriate * Recesses of the stencil after you have not filled in with the color in question Has covered recesses. If you have the correct color masses in this way, green, blue, black, sepia, pink and so on, filled in, so you lift out the stencil, so that in the otherwise complete composite ornament there is still that of color yellow corresponding wells remain. These indentations will then be colored yellow Filled with filling compound, whereby one, although this is not absolutely necessary, the rest Part of the ornament covered. .

Claims (2)

As can be seen, there are no joints here, which later again by pressing must be closed, and a stepping over the mass of paint in neighboring compartments is reduced by the wide sealing surfaces prevented. There may also be the above-mentioned disadvantage that the layers of paint have different depths. hold, do not enter, as you can simply wipe off the protruding mass after filling in each color mass. This possibility exists because the upper edge of the template and the upper edge of the price box α are at the same level. The wiping takes place over the edge g as long as the stencil is still in use, or simply over the metal sheets covering the color when the last color is poured in. If the ornament is thus completely filled (FIG. 3), a second price box b is put on, the backfilling compound is filled in and a prefilling plate d is placed on it. Then the entire device comes under the press. It is therefore essential to pour the mass into a two-part box, its first Part corresponds in its height to the sum of the heights of the template - and the first prefabricated plate, since this makes it possible to achieve it equally deep layers of color are offered. Furthermore, it is essential to use a template, the shape of which is one or more Dividing the ornament corresponds because in this way by pressing to scliliefsendc Joints are prevented and the existing wide sealing surfaces from mixing up Do not allow color masses. Sponsorship τ claims: 1, method "for making brightly patterned Cement slabs, characterized in that the mass is poured into a two-part box, the first of which is Part in its height of the sum of the heights of the first prefabricated plate and the Stencil corresponds to the purpose of achieving equally deep layers of color. 2. In the procedure marked under 1., the filling of the various paints • by means of a template, the shape of which is one or more colored parts of the . Pattern, in such a way that the filling those color masses which correspond to the solid stencil shape, last after removing the template by filling in the remaining gaps in the pattern is done for the purpose of FugeYi too Avoid and maintain wide sealing surfaces to prevent mixing. 1 sheet of drawings.