Rotary trowel for troweling polymer/aggregate toppings on substr

Details Rotary trowel for troweling polymer/aggregate toppings on substr Rotary trowel for troweling polymer/aggregate toppings on substr

1991-03-22

1993-04-27

Britts, Ramon S.

Road structure, process, or apparatus

Apparatus

With means for profile shaping, e.g., crown

404112, E01C 1922

Patent

active

052056694

ABSTRACT:
A fluid driven adjustable speed rotary trowel for troweling a resin/aggregate topping over a substrate weighs not more than 40 pounds nor less than 20 pounds. The attack angle of the troweling blades is adjustable either manually or continuously and automatically by angle-sensing and adjusting means which is also fluid driven without the need to stop the trowel during operation. Aggregate/resin ratios of 5:1 or less will trowel to a smooth finish.

REFERENCES:
patent: 4298555 (1981-11-01), Weltmer
patent: 4629359 (1986-12-01), Sengupta
patent: 4673311 (1987-06-01), Whiteman, Jr.
patent: 4848960 (1989-07-01), Kajioka et al.
patent: 4911575 (1990-03-01), Tidwell

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