abstract |
The battery case cover according to the present invention integrally forms a return water portion, a cell separation portion, and a gas inflow portion which are components of the battery case cover on the bottom surface, and introduces a pipe-shaped return water portion and a vent cap system. Production is performed in a single process through the gas inlet. According to this, its structure and production become easy, and at the same time, the single layer structure in which each component is integrally formed can increase the durability and improve the reliability of the product, but also has a smart appearance Has the effect of providing. |