Abstract: The present invention relates to a method and apparatus for reducing catenary during winding of a fiber bundle which includes a plurality of fiber strands into a wound package. The method includes: applying substantially equal tension to each of a plurality of fiber strands; gathering the strands to form a bundle; advancing the bundle at a predetermined speed and tension toward a winding device; measuring the tension of the bundle; adjusting the tension of the bundle by adjusting the speed at which the bundle is advanced, such that (1) the speed of advancement of the bundle is increased when the measured tension of the bundle exceeds a predetermined value and (2) the speed of advancement of the bundle is decreased when the measured tension of the bundle is less than a second predetermined value; and winding the bundle to form a wound package.

Abstract: An apparatus for producing and winding strands formed of filaments to achieve good split efficiency on removal of the plurality of strands from the package for further processing, and to produce a package of wound strands having good edges.The apparatus has a filament forming means, gathering means to gather the filaments into a plurality of strands, rotatable winder to attenuate and wind the strands, a traverse vehicle guide, reciprocating means, and contacting means. The traverse vehicle guide has a base and angularly opposing sides that converge toward each other with one side being longer than the other. The sides do not touch each other and thereby form an opening for placement of the strands into a containment area formed by the angularly opposing sides and the base. The traverse guide deposits the strands in essentially uncrossed, side-by-side relation, and cooperates with the contacting means at each end of a layer to deposit the strands in grouped relationship.

Abstract: Fiber glass forming bushings are described which contain baffle arrangements which are positioned below the bushing flange and direct glass flows inside the bushing to trap stones in the molten glass. The baffles are arranged to divert glass entering the bushing in inward and upward directions to give the stones ample time to settle on the baffles before the glass reaches the bushing orifices.

Abstract: A fluid brake control system is disclosed for governing application and release of brakes of an interchange vehicle having a brake control pipe, an auxiliary fluid reservoir, a fluid brake cylinder, and a brake control device sensing changes in fluid pressure in the brake pipe for at times governing application of fluid to the brake cylinder from the auxiliary reservoir and at other times for releasing fluid from the brake cylinder. Additional first and second volume chambers are provided that are proportionally smaller in volume than the auxiliary reservoir and brake cylinder displacement volumes respectively. Valve governed passageways are provided for normally charging the first volume chamber from the brake pipe and for preventing fluid flow from the auxiliary reservoir to the first volume chamber.

Abstract: Rail car brake rigging of the type for use in a two-axle, four-wheel rail car truck is disclosed which embodies a double-acting brake cylinder and slack adjustor disposed transversely between the side frames of the car truck and connected to parallel brake beams disposed on opposite sides of the truck bolster, by a pair of spaced bell crank levers pivotably mounted on one of the beams, one arm of each bell crank lever being pivotably connected to the brake cylinder or its push rod, the other arm of each bell crank lever being pivotably connected to one of a pair of push rods joined to the other beam. The brake cylinder includes a parking brake actuating lever mounted to the housing thereof for manually, mechanically stroking the brake cylinder in the same manner as during fluid pressure actuated brake application, without inducing undesirable beam loadings and yet ensuring uniform application of the brakes at all wheels.

Abstract: A fluid brake control system is disclosed having an improved quick service and accelerated release control device having valves operable when rendered effective to locally reduce the brake pipe pressure to accelerate a brake application signal through a train and at other times to apply fluid to the brake pipe for accelerating the release of brakes of a train. The control device comprises a housing containing a fluid pressure differential operated abutment subject to actuation from a normal position by differences in pressure between respective brake pipe and reference fluid pressure chambers on opposite sides of the abutment. Two quick service valves of the ball poppet type are provided on one side of the abutment that are spring biased in the direction of the abutment against their valve seats to normally closed positions and have operating push rods longitudinally disposed between the associated ball poppet valves and one side of the abutment.

Abstract: A fluid brake control system is disclosed having an improved emergency application and stability control device for use in association with a brake control pipe, emergency and auxiliary fluid reservoirs, a first quick action chamber, a brake cylinder, and emergency and service control valves. An improved emergency application and stability control valve is provided comprising a housing containing a differential abutment subject to actuation axially by differences in fluid pressures in respective brake pipe pressure and quick action control pressure chambers on opposite sides of the abutment. The control device has at least one ball poppet type valve on each side of the abutment that is spring biased toward a closed position and has an operating push rod longitudinally disposed between the associated valve and the abutment. The poppet valve on one side of the abutment is opened by movement of the abutment in one direction for permitting application of fluid from the emergency reservoir to the brake cylinder.

Abstract: A fluid brake control system is disclosed for having an improved brake cylinder release control device for use in association with a brake control pipe, a fluid reservoir, and a service valve. The control device has a housing containing a differential abutment subject to actuation from a normal position by differences in pressure between a release spring in a chamber on one side of the abutment and pressure selectively applied to the abutment in another chamber on the opposite side of the abutment. A plurality of poppet type valves operated by longitudinal push rods connected by a bridge are provided in the chamber on each side of the abutment, the bridge being actuated at a midpoint by the abutment.

Abstract: A fluid brake control system is disclosed for governing application and release of brakes of an interchange vehicle having a brake control pipe, an auxiliary fluid reservoir, a fluid brake cylinder, and a brake control device sensing changes in fluid pressure in the brake pipe for at times governing application of fluid to the brake cylinder from the auxiliary reservoir and at other times for releasing fluid from the brake cylinder. Additional first and second volume chambers are provided that are proportionally smaller in volume than the auxiliary reservoir and brake cylinder displacement volumes respectively. Valve governed passageways are provided for normally charging the first volume chamber from the brake pipe and for preventing fluid flow from the auxiliary reservoir to the first volume chamber.