Weighing equipment for concrete material

Details Weighing equipment for concrete material Weighing equipment for concrete material

2006-02-21

2006-02-21

Williams, Hezron (Department: 2856)

Measuring and testing

Moisture content or absorption characteristic of material

Reexamination Certificate

active

07000458

ABSTRACT:
A measuring apparatus (1) for concrete materials, comprising an aggregate hopper (3) as aggregate feed means for feeding fine aggregate (2) as aggregate, a water supply pipe (4) as water supply means, an aggregate measuring bin (51) for storing and measuring the fine aggregate (2) supplied from the aggregate hopper (3), a measuring tank (5) for storing the fine aggregate (2) supplied from the aggregate hopper (3) as water-immersed aggregate together with water supplied through the water supply pipe (4), a load cell (6) as water-immersed aggregate mass measuring means for measuring the mass of the water-immersed aggregate in the measuring tank, an electrode sensor (7) as water level measuring means for measuring the water level of the water-immersed aggregate in the measuring tank (5), and a water level holding device (8) as water level holding means for holding the water level of the water-immersed aggregate in the measuring tank (5) at a desired water level.

REFERENCES:
patent: 2002/0093875 (2002-07-01), Rondeau et al.
patent: 2-170037 (1990-06-01), None
patent: 8-304257 (1996-11-01), None
patent: 2000-61926 (2000-02-01), None
patent: 2000-84921 (2000-03-01), None
patent: 2000-84922 (2000-03-01), None
patent: 2002-154113 (2002-05-01), None
Cement & Concrete 2001 3, No. 649, Japan Cement Association, pp. 54-58.
Shigeyuki Sogo et al. entitled “DEVELOPMENT OF A HIGH RELIABILITY CONCRETE PRODUCTION SYSTEM (PART 1)”, Proposal for New Batching Method by Immersing Sand in Water to Facilitate Accurate Measurement, pp. 57-64, Jul. 10, 2000.
Study on High Reliability Concrete Production System with New Batching Method by Immersing Sand in Water, No. 676. V-51, 19-26, 5/2001, Japan Society of Engineers.

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