Metal working – Battery-grid making
Reexamination Certificate
2005-02-22
2005-02-22
Kalafut, Stephen J. (Department: 1745)
Metal working
Battery-grid making
C141S032000
Reexamination Certificate
active
06857171
ABSTRACT:
The method for producing plates for batteries according to the present invention comprises: allowing X-rays to penetrate through a supplied core material, thereby calculating the weight of the core material; filling the core material with an active material; then again allowing X-rays to penetrate through the core material, thereby calculating the weight of the filled active material and the core material; calculating the weight of the active material based on the difference in these weights measured; if this weight of the filled active material deviates from a given weight, adjusting the amount of the active material to be filled in the core material, thereby inhibiting variation in the amount of the filled active material; and then drying the core material filled with the active material to make an electrode plate.
REFERENCES:
patent: 5727604 (1998-03-01), Koike et al.
patent: 0703632 (1996-03-01), None
patent: 3-037955 (1991-02-01), None
patent: 9-161792 (1997-06-01), None
patent: 9-106814 (1998-02-01), None
patent: 10-223219 (1998-08-01), None
English translation of Japanese 9-161,792 (Jun. 1997).
Itou Yoshinori
Kawaguchi Nobuyuki
Mikuriya Hitoshi
Nishijima Hiromasa
Kalafut Stephen J.
Matsushita Electric - Industrial Co., Ltd.
Stevens Davis Miller & Mosher LLP
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