Cities Service Company

Mobay Corporation

Mobay Chemical Corporation

Howard A Anderson

The rod-support chair of the present invention comprises a plastic channel made of a thermoplastic resin preferably selected from the group consisting of polycarbonate, aromatic polyester carbonate and aromatic polyesters. The channel is further characterized in that its physical dimensions and material properties permit its elastic and bending across its long dimension around at least part of the circumferential cross-section of a reinforcing rod and provide support for the rod for a period which is necessary for the concrete to set. The channel in its 'in use' configuration is left in the cured, or set concrete and does not interfere with the setting process nor does it contribute to rust formation.

Bar support for concrete

A barrier gate arm useful in controlling exits such as in parking lots is provided comprising a stiffening member, preferably of wood, encased in an extruded sheath, or sleeve made from polycarbonate. The arm provides for easy operation and for a quick repair after the inevitable damage by offending vehicles.

Barrier gate arm

The present application is concerned with an extrusion process for an elongated stiff but bendable plastic article which finds particular utility in highway delineators. The article has a central lens shape in the cross-section perpendicular to its major axis which is formed by joining two sheets along both of their longitudinal edges. The sheets both have parallel longitudinal edges and are configured in an arc in their shorter dimension. A reverse radius is provided in each longitudinal edge just before it joins the similar edge of the other sheet to allow the article to be bent 90.degree. across its major axis in the plane of its minor axis without significant plastic deformation. The article is constructed by pressing the cooled edges of thermoplastic sheets that can sustain substantial elastic deformation.

Extrusion process for a stiff but bendable elongated plastic article

The present application is concerned with an elongated stiff but bendable plastic article which finds particular utility in highway delineators. The article has a central lens shape in the cross-section perpendicular to its longitudinal axis which is formed by joining two sheets along both of their longitudinal edges. The sheets both have parallel longitudinal edges and are configured in an arc in their shorter dimension. A reverse radius is provided in each longitudinal edge just before it joins the similar edge of the other sheet to allow the article to bent 90.degree. across its longitudinal axis in the plane of the sheets' juncture without significant plastic deformation. The article is constructed of a thermoplastic that can sustain substantial elastic deformation.

Stiff but bendable elongated plastic article

A receptacle device useful for receiving material, comprising a container having an opening, a covering pivotally mounted on the opening, and a substantially U-shaped operating member straddling the container and having at least one end rotatably connected to the covering so that the container can be opened and closed in response to actuating the operating member.

Foot operated container and covering device

Dish pan

A receptacle device useful for receiving material, comprising a container having an open end, a closure or lid detachably and pivotally mounted on the open end of the container and an operating member connected to the closure so that the closure can be raised to and from a closed position in response to operation of the operating member.

Foot operated container and closure device

A container including a closure having an automatic closure lock device which is manually releasable.

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Pittsburgh, PA, United States of America

Howard A Anderson