Patent ID: 8308019

Claim:
A tub assembly for a battery bath, the tub assembly comprising: a first section having side and bottom walls and a first flange at a free end of the walls, the first flange having a first inner face; a second section having side and bottom walls and a second flange at a free end of the walls, the second flange having a second inner face; and a joint assembly initially spacing apart the first inner face from the second inner face with a gap of at least about ¼ inch between the first and second inner faces and connecting together the first and second flanges while permitting relative displacement and movement between the first and second inner faces without coming into contact along their opposing extent; and a flexible seal engaging both the first and second flanges and providing a liquid seal of the gap while permitting relative displacement and movement between the first and second inner faces while still maintaining the liquid seal of the gap.