Patent ID: 6939645
Filing Date: 2005-09-06
Classification: H01M,Y02E,Y02P

Abstract:
1. A separator for a valve regulated lead acid battery, comprising: fine glass fibers comprising acid resistant glass fibers and contained in a range of 50 to 92% by weight, inorganic powder, beaten natural pulp, and heat-weldable organic fibers for welding the fine glass fibers, the inorganic powder, and the beaten natural pulp together, wherein the heat-weldable organic fibers have a fineness of 1.5 d (deniers) or less and a fiber length of 1 mm or more, and the amount of the heat-weldable organic fibers is from 3% to 15% by weight, and wherein said separator is bendable and has folding endurance of 6.8 N/10 mm