Mixing blades of concrete mixing drums

Details Mixing blades of concrete mixing drums Mixing blades of concrete mixing drums

1978-11-06

1980-02-12

Christian, Leonard D.

Agitating

Mortar mixer type

With dynamic delivery

366 54, 291568B, B28C 520

Patent

active

041881273

ABSTRACT:
A rotary concrete mixing drum which has a throat area leading to a mixing chamber is provided with a mixing blade which includes a leg portion projecting inwardly from the inner wall thereof and a discharge lip portion and a mixing lip portion. The mixing lip portion projects laterally from the leg portion toward the head end of the mixing chamber and does not extend into the charging throat area. The absence of a mixing lip in the throat area prevents a build up of concrete in the throat area. To facilitate the mounting of the mixing blade, an L-shaped blade segment is first mounted in the mixing drum and thereafter a discharge lip is connected to the L-shaped blade.

REFERENCES:
patent: 2805053 (1957-09-01), Smith
patent: 3038705 (1962-06-01), McDermott
patent: 3198495 (1965-08-01), Maxon, Jr.
patent: 3429561 (1969-02-01), Maxon, Jr.

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