Abstract: Improved battery separators, base films or membranes, batteries, cells, devices, systems, vehicles, and/or methods of making and/or using such separators, films or membranes, batteries, cells, devices, systems, vehicles, and/or methods of enhancing battery or cell charge rates, charge capacity, and/or discharge rates, and/or methods of improving batteries, systems including such batteries, vehicles including such batteries and/or systems, and/or the like; biaxially oriented porous membranes, composites including biaxially oriented porous membranes, biaxially oriented microporous membranes, biaxially oriented macroporous membranes, battery separators with improved charge capacities and the related methods and methods of manufacture, methods of use, and the like; flat sheet membranes, liquid retention media; dry process separators; biaxially stretched separators; dry process biaxially stretched separators having a thickness range between about 5 ?m and 50 ?m, preferably between about 10 ?m and 25 ?m, having imp

Abstract: An improved line stringing block utilizes a double gate mechanism to transfer a lead line from the exterior of the block frame to the interior of the block frame. An outer gate is held open until the line is received within a passageway in the block frame. A non-load bearing inner gate is held closed to maintain alignment of said frame until the line is received in the passageway. A spring loaded trigger within the passageway releases the inner gate and closes the outer gate which becomes a load bearing gate.

Abstract: A ground roller assembly for a bundle conductor stringing block utilizes a plurality of independently mounted grounding sheaves which are individually resiliently biased upwardly to engage an associated conductor. The plurality of independently mounted sheaves form an assembly which is connected by a mounting bar which extends between two upwardly biased support arms to position the ground roller assembly proximal the periphery of the conductor stringing block to engage the conductors. The support arms are upwardly biased such that the entire assembly pivots downwardly about the periphery of the stringing block upon proper engagement of all of the conductors within their associated grounding sheaves.