A storage silo has a cylindrical wall formed with a plurality of ring structures stacked one upon another. Each ring structure is formed with a plurality of sidewall panels connected end to end with a vertical joint between horizontally adjacent sidewall panels. The plurality of ring structures have at least one upper ring structure and at least one lower ring structure positioned below the upper ring structure, with a portion of the upper ring structure overlapping the lower ring structure to form a horizontal joint. The upper lower ring structure are formed with sidewall panels in a layered arrangement. Each sidewall panel has a middle portion, an offset upper portion and an offset lower portion. The offset upper portion and the offset lower portion of the sidewall panel are offset from the middle portion.

A collapsible storage silo having an expanded configuration includes: (a) a shell for circumscribing storage space and comprising a plurality of concentrically nested tubular members that are collapsible; (b) a lift system operable to slidably expand the plurality of concentrically nested tubular members to place the silo in its expanded configuration; and (c) a mast operable to support the lift system, The mast is pivotable between horizontal and vertical positions relative to a frame. A winch attaches to the mast and a cable extends between the winch and an outermost tubular member to expand the silo such that inwardly and outwardly projecting lips of nested members engage each other and a conical hopper engages an innermost tubular member. A flexible inner liner attaches between an outermost tubular member and the hopper. A collapsible roof has a flexible roof membrane and a plurality of radially extending foldable rib members.

A parts assembly, a tank, and a panel discussed, including a first wall; a second wall, a first edge of the first wall facing a second edge of the second wall; a first flange connected to and extending outward from the first wall; a second flange connected to and extending outward from the second wall, the second flange being spaced from and disposed opposite the first flange; at least one fastener extending through and connecting the first flange and the second flange, the at least one fastener being pre-tensioned; and at least one rigid spacing member disposed between the first flange and the second flange, the rigid spacing member being spaced from the at least one fastener, the rigid spacing member being in contact with the first and second flanges, the at least one fastener being disposed between the rigid spacing member and the first and second walls.

The present invention relates to a silo (1) comprising one or more cells (2), each cell comprising one or more outlet openings (3), wherein said cells have an angular cross-section and wherein said outlet openings have a non-angular cross-section, wherein said outlet openings and said cells are connected to one another by means of a transition plate (4), wherein the angle a between the wall of the cell and said transition plate is constant along the radial periphery of the outlet opening. The present invention also relates to a kit and a method for constructing such silo.

A plastic article useful as a riser assembly for a septic tank or as part of another structure is comprised of a multiplicity of identical shape conical wall plastic risers. The risers are attached to each other at joints by tabs which engage rim segments; each end of the riser has alternating tabs and rim segments. A riser assembly wall undulates in the lengthwise direction. The risers nest within each other for shipment or storage.

A safety door latch system is presented for a grain bin having a door frame. An inner door is connected to the door frame that is configured to move between an open position and a closed position. An outer door is connected to the door frame and is configured to move between an open position and a closed position. A safety mechanism is connected to the door frame and is configured to move between an open position and a closed position. When the inner door frame is moved to a closed position, a portion of the inner door engages the safety mechanism thereby causing the safety mechanism to move to the closed position. When the safety mechanism is in the closed position, the outer door may be latched to the safety mechanism. When the safety mechanism is in the open position, the outer door cannot latch to the safety mechanism.

A sectional panel tank comprises one or more side wads that are joined together in forming the sectional panel tank. One of the side wall comprises a first unit panel having a first extension at a first edge of the first unit panel and a second unit panel having a second extension at a second edge of the second unit panel. By combing the second extension to the second extension, the second unit panel is joined to the first unit panel for providing a continuous surface of the side wall. No gasket is needed between the first extension and the second extension. A method of making the sectional panel tank is also disclosed. A method of making prefabricated unit panels with lining sheets is further disclosed for the sectional panel tank.

A mobile proppant delivery system may include a system for unloading proppant transport trailers, storing proppant in silos, and feeding proppant to frac operations. The system may include drive-over conveyors, swiveling distribution heads, internal silo bucket elevators, gravity feed, choke filling, and bases designed with internal conveying systems.

A quasi-cylindrical cargo container is formed of a plurality of rigid, curved panels together forming first and second semi-cylindrical shells, and a plurality of rigid, flat extension panels bridging the first and second semi-cylindrical shells. A method of manufacturing the container includes forming the first and second semi-cylindrical shell from the curved panels, forming the quasi-cylindrical shell from the first and second semi-cylindrical shells and the flat extension panels, forming collars conformably encompassing the quasi-cylindrical shell, constricting the collars to compress joints formed at abutting edges of pairs of adjacent panels, rolling the shell and collars sequentially to bring the joints to a lower position, welding inside seams of the joints when at the lower position, removing the collars, rolling the shell sequentially to bring the joints to an upper position, and welding outside seams of the joints when at the upper position.

A storage module is provided for an organic material handling system. The storage module has a levelling component for levelling out the organic material stored therein, and a removal component for discharging the organic material. A modular system and method is described for improving the receiving, processing, storing, and transloading of bulk materials such as organic waste. A system includes at least a receiving module to receive material, a storage module, a discharge module, and a control system. Systems can be adapted with additional modules, such as processing modules and transfer modules, depending on the site and materials to be handled. A control system interfaces with the modular components and local operators, and provides remote reporting and monitoring.