SPIRAL WRAPPED GAS GENERATOR FILTER

摘要

PATENT 2125-21-00 An improved method for the continuous fabrication of filter units for use in automotive air bag inflators by spirally winding a hollows cylindrical core, at least one filter layer, and an outer layer to form a continuous spirally wound filter unit. The continuous spirally wound filter unit is then cut into individual filter unit of desired length by the use of conventional cutting means.