A retainer assembly for a waste container opening defining a longitudinal axis passing through a center of the opening includes a framework defining a first framework opening, and a pivotable finger assembly including a retainer portion, the retainer portion pivotably adjacent the first framework opening. The finger assembly includes a biasing element for urging the retainer portion toward the longitudinal axis. The retainer portion is movable against the biasing element away from the longitudinal axis to enable placement of waste materials into the waste container, and movable toward the longitudinal axis after waste materials have been placed into the waste container to impede movement of waste materials through the first framework opening out of the waste container.

A press for processing organic waste has two plungers. Preferably, the plungers have rectangular cross sections. The two plungers are mounted in the press such that they are perpendicular to each other and have partially overlapping stokes. The press has walls that partially enclose a pressing chamber. The pressing chamber is as wide as one plunger on one side, and as wide as the other plunger on another side. In operation, one of the two plungers is used to optionally load organic waste into the pressing chamber, to partially enclose the pressing chamber while the waste is compressed, and to eject compressed waste from the pressing chamber. The other plunger is used to compress waste in the pressing chamber whereby a pressate is produced through perforations in a wall of the pressing chamber. The other plunger may also partially enclose the pressing chamber while compressed waste is ejected.

A filling device (3) and a filling method for fibrous material (6) on a bale press (1). The filling device (3) is arranged between a fiber supply (2) and a pressing device (5) of the bale press and comprises a collecting chamber (9) for the fibrous material (6) with a supply opening (16) as well as a discharge opening (17) with a controllable closure (18). A driven slide (25) of an integrated precompression device (4) is movable in a reversing manner between the openings (16, 17), which precompresses the collected fibrous material in one or more stages in the collection chamber (9) before collected fibrous material is transferred to the pressing device.

A compacting system includes a container, a ram extendable into the container to compact waste, and a gate that is selectively deployable to close off the opening in the container to prevent the fallback of waste into the loading area. The system also includes at least one sensor for providing information as to an actual level of waste within the container.

Device (100) for pressing organic material out of waste, comprising: a pressing chamber (3) and a first pressing member (4) for compacting introduced waste; a first feed opening (5) for feeding waste into the pressing chamber (4); perforations (6) for allowing air, moisture and organic material pressed out of introduced waste to escape from the pressing chamber (3), which perforations (6) are arranged in a wall (9) of the pressing chamber (3) and debouch in a surface (7) bounding the pressing chamber (3); and a discharge opening (8) for discharging from the pressing chamber (3) compacted waste from which air, moisture and organic material are at least partially removed and whereby the surface lies perpendicularly of the pressing direction of the first pressing member (4). Pressing perpendicularly of the surface (7) results in a more effective and efficient pressing. The device (100) preferably also comprises: a second feed opening (2) for feeding waste into the device (100); and an infeed chamber (13), which infeed chamber (13) is located between the first feed opening (5) and the second feed opening (2). A pre-compaction takes place during the displacement of waste fed into the infeed chamber (13) to the pressing chamber (3) via the first feed opening (5), this still further increasing the effectiveness, efficiency and yield of the pressing. Also method for pressing organic material out of waste by means of such a device.

A retainer assembly for a waste container opening defining a longitudinal axis passing through a center of the opening includes a framework defining a first framework opening, and a pivotable finger assembly including a retainer portion, the retainer portion pivotably adjacent the first framework opening. The finger assembly includes a biasing element for urging the retainer portion toward the longitudinal axis. The retainer portion is movable against the biasing element away from the longitudinal axis to enable placement of waste materials into the waste container, and movable toward the longitudinal axis after waste materials have been placed into the waste container to impede movement of waste materials through the first framework opening out of the waste container.

The present invention relates to a garbage compression device capable of maximizing the ease and efficiency of garbage collection and disposal by minimizing the volume of various types of garbage, such as food, paper, synthetic resins, or metallic materials, through compression thereof. The present invention comprises: a case in which an input port for garbage is formed on the upper portion thereof, and an output port for compressed garbage is formed on the lower portion thereof; a main body part which is installed inside the case and has a pipe shape, and in which an entrance port, into which the garbage input through the input port is entered, is formed on the upper portion thereof and a discharge port for the compressed garbage is formed on the lower end thereof; a compression part including a compression cylinder, which is installed on the upper end of the main body part, and a compression piston, which is provided in the compression cylinder and compresses the input garbage by being driven back and forth in the main body part through a driving member connected to the compression cylinder; and a gate part having a shape closely conforming to the side surface of the compression piston and protruding along the circumference of the inner side surface of the main body part below the entrance port.

A filling device (3) and a filling method for fibrous material (6) on a bale press (1). The filling device (3) is arranged between a fiber supply (2) and a pressing device (5) of the bale press and comprises a collecting chamber (9) for the fibrous material (6) with a supply opening (16) as well as a discharge opening (17) with a controllable closure (18). A driven slide (25) of an integrated precompression device (4) is movable in a reversing manner between the openings (16, 17), which precompresses the collected fibrous material in one or more stages in the collection chamber (9) before collected fibrous material is transferred to the pressing device.

A press for processing organic waste has two plungers. Preferably, the plungers have rectangular cross sections. The two plungers are mounted in the press such that they are perpendicular to each other and have partially overlapping stokes. The press has walls that partially enclose a pressing chamber. The pressing chamber is as wide as one plunger on one side, and as wide as the other plunger on another side. In operation, one of the two plungers is used to optionally load organic waste into the pressing chamber, to partially enclose the pressing chamber while the waste is compressed, and to eject compressed waste from the pressing chamber. The other plunger is used to compress waste in the pressing chamber whereby a pressate is produced through perforations in a wall of the pressing chamber. The other plunger may also partially enclose the pressing chamber while compressed waste is ejected.