Method and apparatus for producing samples of primarily...

Details Method and apparatus for producing samples of primarily... Method and apparatus for producing samples of primarily...

2006-11-14

2006-11-14

Larkin, Daniel S. (Department: 2856)

Measuring and testing

Sampler, sample handling, etc.

Conveyor coacting

C073S863430

Reexamination Certificate

active

07134350

ABSTRACT:
An apparatus and a method for producing samples of a finely granular and dry material for measuring the residual carbon content thereof. The material is fed by a torque monitored conveyor screw to a measuring chamber and is progressively compacted therein. At an abrupt increase in screw torque feeding of the material ceases yielding a sample in the measuring chamber of a reproducible degree of compaction.

REFERENCES:
patent: 4091967 (1978-05-01), Kinoshita
patent: 4498338 (1985-02-01), Peltonen et al.
patent: 5173662 (1992-12-01), Trerice et al.
patent: 5639202 (1997-06-01), Roycraft
patent: 33 03 117 (1983-08-01), None
patent: 34 16 821 (1985-11-01), None
patent: 251 623 (1986-07-01), None
patent: 42 24 128 (1994-02-01), None
patent: 198 56 870 (1999-06-01), None

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