| 摘要 |
The subject of the invention relates to the technical field of the means or tools for working on materials in the building industry. The rule is noteworthy in that the front part for pushing back and striking off the material to be spread, and the rear part for smoothing, form a single lightened and rigid longitudinal piece 1, whose flattened section is shaped in such a way that the said rule has, continuously and in a single piece, a front part with a front pushing-back face 1a, joined to a rear smoothing part 1g having a convex rounded profile in contact with the surface to be worked on. The invention applies to all materials to be spread over large surfaces. <IMAGE> |
