| 摘要 |
A device for the levelling of plaster or concrete on walls or floors comprises a float 8 fixed to a sliding mount 7 which acts about a bar 1. The bar is supported at opposite ends by mounting bases 4 with screw adjustable surface discs 3. The device is fitted with levelling bubbles 2. In use the device is to give linear spots on a wet mixture. Using the adjustable end bases to create the level required, the angled float is moved along the bar, from one end to the other, to spread and level the wet mix. |
