Chalkboard

B41L1/04 - Devices for performing operations subsequent to manifolding, e.g. for separating single sheets or webs from single form sets, continuous manifold assemblies from carbons

 

(57) Abstract:

1. Chalkboard made of layered and contains two outer sheet, at least one of which is executed with the work surface for writing, and placed between sheets of the filler made of non-metallic material, characterized in that the filler is made in the form of a honeycomb.

2. Board under item 1, characterized in that it has a sheet of plastic film that are located between the outer sheets and the filler for thermal connection between them.

3. The boards on the PP. 1 and 2, characterized in that between the outer sheets along the perimeter of the frame installed, for example, from wood, while the filler is located inside the frame.

4. The boards on the PP. 1 to 3, characterized in that between the outer sheets installed Reiki, and cell filler is made in the form of separate blocks, placed between the rails.

 

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