FIELD: construction.
SUBSTANCE: grinder includes a foam post with working surface and a foam handle made as an integral part of the post and fixed at two points on the upper surface of the post. Inside the handle, coaxially to it, there installed is an embedded part in the form of a plastic bar the strength of which exceeds strength of the foam handle mass. On ends of the plastic bar there are anchor plates of round or rectangular shape, which have at least four holes, perpendicular to the bar axis and parallel to the plane of the working surface of the post, which are fixed in the post mass. Vertical distance from lower working surface of the post to lower surface of anchor plates is not more than two thirds of post thickness.
EFFECT: improvement of operating reliability.
3 dwg
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|
RU2600226C1 |
| METHOD OF ARTICLES MAKING FROM FOAM PLASTIC AND DEVICE FOR ITS IMPLEMENTATION | 2015 |
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| DEVICE FOR RESTORING THE WORKING SURFACE OF THE PLASTERING RULES | 2017 |
|
RU2667261C1 |
