1975-01-29
1976-01-20
Jenkins, Robert W.
259 85, B28C 518
Patent
active
039333418
ABSTRACT:
A transit concrete mixer has a fill and discharge opening at the apex end of a conically tapered mixing drum. The drum is mounted for rotation on its axis at an angle relative to the horizontal which places the drum on an upward slant from its bottom to the fill and discharge opening. Internal helical blading of the drum moves the concrete into and out of the drum upon its rotation in opposite directions. A rotary mixing tool is mounted in the wide end of the drum on the axis of the latter in cooperative relation to the helical blading.
REFERENCES:
patent: 409560 (1889-07-01), Latham
patent: 2614819 (1952-10-01), Longenecker
patent: 2956790 (1960-10-01), Moriya
patent: 3358973 (1967-12-01), Mitchell
Jenkins Robert W.
Nilles James E.
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