LEAKTIGHT BOX FOR ALKALINE BATTERIES

摘要

Leaktight box for alkaline electrolyte battery, comprising an assembly of metal plates, where: a first and a second plate overlap in a zone of overlap and are assembled with rivets each comprising a head, a stem and a bulb; the stem of the rivets is deformed in such a way as to occupy in a leaktight manner substantially all of the volume of said holes of the first and second plates; preferably an elastomer seal comprising a material chosen from among a butyl rubber, an ethylene-propylene-diene terpolymer and a nitrile rubber, where said seal is disposed in continuity with the overlap zone in continuous contact with the first and the second plate in such a way as to complete the leaktightness of the box.

主权项

1. A leakproof battery tray for an alkaline electrolyte battery comprising an assembly of metal plates, in which:
a first metal plate is provided with a series of holes in an area of overlapping; a second metal plate is provided with a series of holes arranged to face those of the first metal plate in the area of overlapping; the two plates are overlapped in the area of overlapping and are assembled together in this area by rivets each having a head, a shank and upset head; the head and upset head of the rivets abut against a surface of each plate said surface extending beyond the surface area of each hole; the shank of the rivet is deformed so as to substantially occupy in a sealed manner the entire volume of said holes of the first and second plates.