A free-standing container has a pair of like coextensive and outwardly convex side walls whose opposite lateral edges are heat-sealed together along straight seams to form an upright tube whose top and bottom are closed by respective upper and lower end walls each formed with a fold extending between the lateral edges of the side walls and each having a periphery subdivided into a pair of like sections by the respective fold line. Each section is joined to a respective side panel along a nonstra...

A free-standing shower stall including a base, wall panels joined to the base, a rail connected to the wall panels to impart rigidity to the stall, and a drain connection in the base which permits the shower stall to be placed in any desired location. A shower stall as described wherein the wall panels are plastic and are joined together by imperforate, water tight hinges which permit the panels to be folded for shipment in association with other parts of the stall and to be easily erected durin...

A standing rib roof structure made up of a plurality of panels joined along adjacent edges, the adjacent edges each being formed as half a standing rib so that the seam between each adjacent pair of panels becomes a standing rib, each edge having a locking means thereon, one edge having a female locking member and the opposite edge having a male locking member that is lockable to the female locking member by being received therein, and a panel clip for fixing the panels to a building, the panel ...

A free standing fryer such as may be used in commercial installations which includes a cabinet adapted to be supported at a suitable working height, and having glass panels on some of its sides and at least one open side for access to the interior, and having a fat fryer located within the interior of said cabinet and having in the roof of the cabinet outlet means for fumes from the fat fryer, fan means for extracting air and fumes from said cabinet and through said outlet, a plenum chamber loca...

Disclosed is a standing box incorporating electrical convenience outlets and adapted for selective electrical and mechanical connections to a floor box. The standing box is made as a single integral structure which facilitates both types of connections to an electrical wiring device, such as an electrical receptacle, mounted in the floor box. The mechanical connection utilizes an annular sealing gasket which compresses with little or no disruptive torsional displacement when the connection is ef...

A free standing shelf unit including at least a pair of vertical supports adapted to support a plurality of vertically spaced shelves extending outwardly therefrom, each of said plurality of shelves being of progressively narrower width with respect to the shelf therebelow and positioned on said vertical supports by brackets angularly disposed with respect to both the width and length dimensions of the shelves.

A self-standing bag is made of two similar side wall sheets disposed in an opposng relation and a bottom wall sheet having two edges thereof heat-fused with the lower edges of the two side wall sheets and being folded along a central folding line into the interspace between the two side wall sheets to have an inverted V-shaped cross section, each of the two lateral edges of the bottom wall sheet being recessed from the lateral edges of the side wall sheets, whereby two lateral edges of the two s...

A standing valve for use in a tubing string, the standing valve having a bored mandrel, a packing element with the lower end thereof sealingly connected around the mandrel, a bored valve body slidably retained on the upper end of the mandrel so as to be slidable in one direction to wedge the upper end of the packing element into sealing arrangement with the tubing string, and a valve slidably retained in the valve body to open and close the bore therethrough.

Self-standing bag, including a sack (1) of flexible material and a supporting structure for the sack (1). Said supporting structure for the sack (1) includes two stiffening members (4) of substantially rectangular shape, secured at opposite sides of the lateral wall of the sack (1) by means of at least two fastenings, one close to the bottom of the sack (1) and the other close to its top opening (2). A cover (7) consisting of a substantially tubular fabric member, preferably figured, is secured ...

The present invention provides a hydraulic powered wheelchair pivotable from a sitting position to a standing position with minimal user effort. The pivoting frame assembly includes a rigid horizontally arranged wheel support structure, a single vertical extending member secured to the wheel support structure and centered between the wheels, and a pivoting frame linkage assembly pivotably connected at the upper end of the vertically extending member. A hydraulic jack rests on the wheel support s...