Scale for weighing blister packs that contain powder

Details Scale for weighing blister packs that contain powder Scale for weighing blister packs that contain powder

2005-11-15

2005-11-15

Gibson, Randy W. (Department: 2841)

Weighing scales

With casing

Reexamination Certificate

active

06965083

ABSTRACT:
In a balance (10) for weighing blister packs (50) in the microgram weight range, its balance pan (12, 14) is designed in such a way that field forces (70) caused by an electric field act practically exclusively on the balance pan (12, 14), said field being generated by an electrically charged blister pack (50) lying on the balance pan.

REFERENCES:
patent: 4291775 (1981-09-01), Collins
patent: 4619337 (1986-10-01), Behrend et al.
patent: 4821821 (1989-04-01), Kelley
patent: 5869788 (1999-02-01), Gordon et al.
patent: 678570 (1991-09-01), None
patent: 201 04 455 (2001-03-01), None
patent: 0 685 714 (1995-12-01), None
patent: WO-01/33176 (2001-05-01), None
patent: WO-01/60695 (2001-08-01), None
Patent Abstracts of Japan; vol. 2000, No. 13, Feb. 5, 2001; Publication No. JP 2000 272717; Kuwano Tatsunari.

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