LAMELLA BAND PERFORATOR FOR ALKALI STORAGE BATTERY Russian patent published in 1998 - IPC

Abstract RU 2120157 C1

FIELD: electrical engineering. SUBSTANCE: perforator for lamella band of alkali battery plates has roller die with annular grooves and piercing roller with wedge-shaped teeth whose angle at top is 32 to 38 deg. EFFECT: improved stability of tool and improved quality of perforation. 7 dwg

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RU 2 120 157 C1

Authors

Tjugaev V.N.

Volynskaja V.V.

Dates

1998-10-10—Published

1996-12-26—Filed