Apparatus for making molding sand

Details Apparatus for making molding sand Apparatus for making molding sand

1987-05-18

1989-01-17

Jenkins, Robert W.

Agitating

Mortar mixer type

Movable stirrer

366244, 366101, 366138, 366255, 366332, 366289, 366177, B28C 508

Patent

active

047984716

ABSTRACT:
Apparatus for making molding sand has one or more housings defining upright cylindrical chambers and being movable with reference to a plate-like support to and from positions of register with an aperture in the support. Each chamber is normally closed at its upper end by a closure which has outlets for sand and one or more binder materials (such as clayey matter, pulverulent iron oxide, pulverized wood and/or others), and a rotary propeller is movable axially in each chamber to mix the ingredients in the circumferential direction as well as axially of the respective chamber.

REFERENCES:
patent: 542669 (1895-07-01), Winterbotham
patent: 722310 (1903-02-01), Lapp
patent: 2588591 (1952-04-01), Thompson
patent: 2651343 (1953-09-01), Alexander
patent: 3044750 (1962-07-01), Schmitt, Jr.
patent: 3106947 (1963-10-01), Logan
patent: 3638917 (1972-02-01), Osten
patent: 3822737 (1974-07-01), Edwards
patent: 4159028 (1979-06-01), Barker et al.
patent: 4169681 (1979-10-01), Kato
patent: 4404168 (1983-09-01), Baumberger
patent: 4653408 (1987-03-01), Nagishima

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