| 摘要 |
434,427. Batteries. LUCAS, Ltd., J., and MERRICK, J., Great King Street, Birming- ham. March 1, 1934, No. 6576. [Class 53] In order to cover cracks that may form in the partition b in a cell c moulded from plastic material, the partition is provided on one or both sides with a covering a of impervious and slightly extensible material such as ebonite. The covering may be attached to the partition in the moulding operation and it may be indented or perforated as shown. Specification 414,203 is referred to. |
