Brushing – scrubbing – and general cleaning – Implements – Mason's trowel or float
Patent
1988-01-04
1988-08-30
Roberts, Edward L.
Brushing, scrubbing, and general cleaning
Implements
Mason's trowel or float
152357, 425458, B28B 1700
Patent
active
047666340
ABSTRACT:
A hand tool for forming the tight radius exterior corner of a cement surface. The tool which consists of a flat inflexible circular plate the circumference of which is curved upward, except for segment of which is curved downward in a spout-like manner. The length of the downward curved segment is such that the tool can be pivoted at the corner while allowing the mason to shape the exterior corner and maintain a smooth surface.
REFERENCES:
patent: 2730756 (1956-01-01), Greene
patent: 3045271 (1962-07-01), Cinotti
Adler Ira M.
Roberts Edward L.
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