Abstract: An access cover for a hand well or hand hole comprises a top member having an upper surface, a lower surface and a perimeter, the lower surface being configured to inhibit radial outward migration of wires positioned in the hand well, wherein the top member is constructed from an electrical insulating material. A method of using the access cover is provided.

Abstract: An handwell or handhole assembly comprises (a) a longitudinally extending tube constructed from an electrical insulating material and comprising an upper end, a lower end and a wire inlet; (b) an inner cover constructed from an electrical insulating material and securable to the upper end of the tube; and, (c) an outer cover constructed from an electrical insulating material and comprising an upper surface, a lower surface and a perimeter and releaseably securable to the inner cover.

Abstract: A one-way soffit vent has an upstream valve seat and a downstream vented cover having a boss extending in the upstream direction. A valve disk is reciprocally mounted on the boss and biased against the valve seat.

Abstract: A one-way soffit vent has an upstream valve seat and a downstream vented cover having a boss extending in the upstream direction. A valve disk is reciprocally mounted on the boss and biased against the valve seat.

Abstract: Disclosed herein are molding systems. A molding system includes a primary mold half, and also includes a secondary mold half configured to define a mold surface configured to have a formable insert formed thereon. The secondary mold half is also configured to move relative to the primary mold half. The secondary mold half is also configured to mold, in cooperation with the primary mold half, a molding material onto the insert formed onto the mold surface.

Abstract: A composite timber product having a wooden core and an outer layer of thermoplastic material, preferably Linear High Density Polyethylene, encapsulating the wooden core to protect the same. The composite timber product is produced by an extrusion method involving pushing the wood core through a cross-die extruder in which the coating layer is preferably foamed.

Abstract: A composite railroad cross tie supporting railroad track rails on a ballast or concrete roadbed is provided comprising an elongated wooden core, an end cap positioned over each end of the core and an outer shell or coating. The wooden core consists of virgin or recycled natural wood or of man made engineered wood such as oriented strand board (OSB), plywood, and the like. The outer coating can consist of virgin or recycled thermoplastic, thermoset resin, and/or rubber, with or without fillers or reinforcements. In manufacture, the core member is sized to a dimension which is less than the desired dimension of the finished composite cross tie. The end caps are then positioned over ends of the core member. Following the positioning of the end caps, the coating is applied to the core member in a continuous process by passing a series of core members with their end caps in a substantially end-to-end configuration through a cross head die.

Abstract: A lost core process for removing an overmoulded lost core from within a hollow product which has been overmoulded over the core, wherein the core is melted and removed by a vapor contact method. Heat is transferred to the core by condensation of vapor of a heat transfer fluid, which has a boiling point higher than the melting point of the core and lower than the melting point of the product. The heat of condensation transferred to the core by the vaporized heat transfer fluid melts the core which then flows from the hollow part. This lost core process allows the manufacture of high quality surfaces on the insides of hollow parts, while permitting close wall tolerances to be maintained, and may be used to manufacture complex parts such as water pump housings and intake manifolds.