WO2012007606A2

WO2012007606A2 - Rubbish container

Info

Publication number: WO2012007606A2
Application number: PCT/ES2011/000197
Authority: WO
Inventors: Jaume Saura Perise; Rafael SITJAR CAÑELLAS
Original assignee: Universitat Politecnica De Catalunya
Priority date: 2010-06-11
Filing date: 2011-06-10
Publication date: 2012-01-19
Also published as: ES2374934A1; WO2012007606A3; ES2374934B1

Abstract

Container comprising: - one or more doors (P1, P2) that close off a discharge opening (01); - coupling means designed to connect with a coupling member of a device for handling and emptying containers; and - drive means comprising a hydraulic or pneumatic system that includes: - one or more linear actuators (2), each made up of a cylinder (3) fixed to an internal face (1i) of a wall of the container, near to the base thereof, and a piston (4) that can slide linearly therein, the rod (5) of said piston (4) being connected via one end (5a) to one of the doors (P1, P2) to move said door so as to open/close the opening (01); and - a hydraulic or pneumatic circuit with one or more conduits (C1, C2) leading to one or more chambers (3a, 3a) of the cylinders (3).

Description

Waste container

Technical sector

The present invention concerns a waste container that has an opening for the discharge of waste covered by one or more doors, and a hydraulic system that allows both opening and closing of said opening by exercising positive control over the door or doors, and more particularly to a waste container where the elements of the hydraulic system are such and are arranged in such a way as to avoid their interference with the waste from the container.

Prior art

Various proposals regarding waste containers configured to be operated and manipulated by different types of handling devices and container emptying devices, including mechanisms, linear or rotary, are known to, by means of a positive control, move doors to close their respective openings. waste discharge. Some patent documents related to such proposals are indicated and described briefly.

In US5014870 a container is proposed with coupling means configured to be coupled to a device for lifting and moving, in order to carry out the emptying of its contents. Such coupling means comprise a bushing fixed centrally and solidly to the top of the container and a bar movable inside the bushing between a retracted position and an extended position. One end of the bar is connected to braces fixed to doors that close a lower opening of the container. Such braces are relaxed when the container is in a resting position arranged on the ground.

To empty the container of US5014870, first hooks of the device for lifting and moving the fixed bushing and a few second hooks to the movable bar are attached, pulling it until it is taken to said extended position, which causes it to pull the straps towards up closing the doors like this. After that, it rises to the container and moves to the unloading area, where the doors are opened by moving down the second hooks that in turn move the movable bar to its retracted position, which causes it to release the braces and that the doors open by gravity and the weight of the contents of the container.

In US5014870 it is only proposed to exercise a positive control to close the doors, not having such a positive control to open the doors since, although to cause such opening they move down to the second hooks, such action does not cause any kind of thrust. over the doors, but simply that the braces are distended, by what the force applied on the doors to cause its opening is the result only of the action of gravity and the weight of the waste housed in the container.

Patent ES222870 T3 describes a waste collection container that has at least one door and is suitable for being handled by a coupling device of a device for handling and emptying containers.

For the different exemplary embodiments proposed in ES2228704T3, the containers include braces fixed at one end to respective doors, which close an opening for waste discharge, and at the other end to drive means that include an activation member and coupling with a linearly movable moving part between a retracted position in which it keeps the straps under traction by closing to the doors, and an extended position in which the straps are relaxed allowing the opening of the doors, when they are not supported on a support surface.

The actions carried out to empty the ES2228704T3 container begin by attaching the device for handling and emptying containers to the activation and coupling organ of the container and introducing a mobile element of such device until contacting the moving part, keeping it, by pushing, in said retracted position, after which the device for handling and emptying containers lifts the container and takes it to a discharge area. Once there, the movable element that was pushing the moving part of the activation and coupling element of the container is removed, which causes it to move to its extended position and that, by so much straining the straps, opening the doors by action the severity and weight of the waste housed in the container, emptying the waste. To re-close the doors and deposit the empty container on the floor again, reverse maneuvers are performed to those described.

In ES2228704T3 it is only proposed to exercise a positive control to close, or keep closed, the doors, not exerting such a positive control to open the doors, since such opening is produced by the action of the gravity and weight of the housed waste in the container.

EP0773896B1 describes a waste container that includes a drive mechanism for opening and closing the doors of the waste opening which, unlike those described in the two aforementioned background, is rotary. Such a mechanism is, in particular, a reel that coils / unwinds a cable fixed to the doors to close them by pulling them by means of the cable acting under traction, or opening them by action of the gravity and weight of the waste housed in the container, when tensioning the cable.

Oe As in the other background cited, positive control is only carried out for the closing of the doors, but not for opening. In all such background the braces or cables that are part of the actuation mechanisms interfere with the contents of the containers, so that they can even be broken by the action of the waste on them, particularly when the container is destined to contain glass or other sharp objects, as well as obstruct the emptying of the container.

Patent document DE4237226A1, unlike those mentioned above, also allows a positive control of the opening of the container doors. Said document describes a waste container with a drive mechanism that includes a hydraulic cylinder disposed inside the container close to its upper wall, and one or more bars connected at one end to the piston of the hydraulic cylinder, in an articulated manner, and by its other ends to doors that close a lower opening of the waste discharge container.

Although in DE4237228A1, for an exemplary embodiment (Illustrated in Fig. 6), it is proposed to move the bars away from the central area of the container to avoid their interference with the waste from the container, the solution presented is to fix it, through its intermediate zone, to the free end of the piston, and fix the ends of the traverse and two pairs of bars arranged next to two respective opposite walls of the container.

Such a solution is very cumbersome, since the addition of such a crossbar only increases the number of elements that interfere with the waste, and also, although each pair of bars is spaced apart from each other to move away from the central area of the container, it this is not the case with regard to the bars of each pair, which are joined by their upper ends, in an articulated manner, to a respective end of the crossing, and run along practically the entire height of the container, of inclined manner, whereby the degree of interference with waste is still very high.

It is necessary to offer an alternative to the state of the art which, such as the DE4237226A1 container, has drive means that allow a positive control of both the opening and closing of the door or doors of the opening for waste discharge, but that it also covers the gaps found therein, offering a really effective solution against the problems associated with the interference of the elements of said actuation means with the waste of the container.

Explanation of the invention.

The present invention provides such an effective solution against such interference problems with the wastes housed by the container.

For this, the present invention concerns a waste container, comprising, in a manner known per se:

- one or more doors that close a waste discharge opening; - drive means comprising a hydraulic or pneumatic system that includes at least one linear actuator formed by a cylinder and a linearly movable piston inside, delimiting two chambers, and a rigid element joined by a first end to the piston and by a second end to the door to, in order to positively control the closing and opening of the opening, transmit the movement of the piston to the door and thus move it, in a first direction, to close the opening, and in a second sense, opposite to said first direction, to open the opening, said drive means being configured to be operated by an actuator of a device for handling and emptying containers; Y

- coupling means configured to join a coupling member of said device for handling and emptying containers, in order to move said container.

Unlike conventional containers, in particular the one described in DE4237226A1, in the container proposed by the present invention, in a characteristic way, the linear actuator cylinder is fixed to an inner face of a wall of the container body in a nearby area at its base, thereby avoiding its interference with container waste, the rigid element is not an additional bar as in DE42372Z6A1, but is the piston rod itself, attached to it by a first end, and the hydraulic or pneumatic system comprises a hydraulic or pneumatic circuit with at least a first conduit communicated with a first of the two chambers of the cylinder to carry out the said positive control of the closure of the opening by injecting a fluid that moves, by pushing, to the piston in a first sense.

For a preferred embodiment, said first conduit is formed by one or more insulated ducts and fixed to the inner face of one or more walls of the container body, so that they are kept away from the central container area so that they do not interfere the least with the aforementioned wastes.

For other exemplary embodiments, the container proposed by the invention comprises two or more doors, collaborating with the first door to close to said opening for discharge of waste or closing other openings.

Also, the hydraulic or pneumatic system of the container proposed by the present invention comprises, for other embodiments, two or more linear actuators per door.

Bfeve description of the drawings

The foregoing and other advantages and features will be more fully understood from the following detailed description of some embodiments with reference to the attached drawings, which should be taken by way of illustration and not limitation, in which: Figs. 1a and 1b show, schematically, the container proposed by the present invention, cross-sectioned, and with the doors of the opening for discharge of open and closed waste, respectively, for a first embodiment;

Figs. 2a and 2b are two representative schematic views of a second embodiment of the container proposed by the present invention, cross-sectioned to show the elements arranged inside, with the doors open and closed, respectively;

Figs. 3a and 3b are schematic views that also illustrate by cross sections to the container proposed by the present invention, with the doors open and closed, respectively, for a third embodiment; Y

Figs. 4a and 4b illustrate a fourth embodiment of the container proposed by the invention, by means of two other respective cross sections thereof, with the doors open and closed, respectively.

Detailed description of some embodiments

As illustrated in all the attached figures, the waste container 1 proposed by the present invention comprises:

- first P1 and second P2 doors that close an opening 01 for waste discharge defined in the lower base of the container 1, which is illustrated in the use position; Y

- drive means comprising a hydraulic or pneumatic system that includes two linear actuators 2, each associated with one of the two doors P1, P2.

The drive means are configured to be operated by an actuator of a device for handling and emptying containers (such as the head of a crane of a garbage truck), and the container 1 also comprises coupling means, fixed to its upper wall, and configured to join a coupling organ of said device for handling and emptying containers, in order to move said container 1, elevating it from its usual location and taking it to the waste discharge area, and vice versa .

For the illustrated embodiments, the drive means and the coupling means of the container 1 form part of the same drive / coupling element 12 configured to be manipulated by a head of a device for handling and emptying containers that incorporates said actuator and said coupling organ.

In the attached figures, for clarity, only references have been included to indicate the different elements included in the linear actuator 2 of the door P1, since those of the Linear actuator 2 associated with the door P2 are equal to those of the door P1, whereby the following description of said elements is valid for both linear actuators 2.

It can be seen for the four exemplary embodiments illustrated by the attached figures, that each linear actuator 2 is formed by a cylinder 3 and a piston 4 linearly movable inside, delimiting two chambers 3a, 3b, the piston rod 5 itself being 4 linked thereto by a first end 5b and a second end 5a to the respective door P1 or P2, in order to positively control the closing and opening of the opening 01, transmitting the movement of the piston 4 to the door P1 or to the P2, thus displacing it, in a first direction, to close the opening 01, and in a second direction, opposite to said first direction, to open said opening 01.

The connection of the second end 5a of each rod 5 to a respective door P1, P2 is produced by means of a joint A3, A2 fixed to the inner face P1i, P2i of the corresponding door P1, P2.

The rod 5 of each piston 4 extends substantially perpendicular to the plane of the opening 01 and of the larger faces of the respective door P1, P2, when it is closed, as illustrated in Figs. 1b, 2b, 3b and 4b.

For the exemplified embodiments, the door P1 is attached to the body of the container 1 by means of an articulation A1 fixed to part of the edge or contour of the opening 01, so that the displacements of the first door P1 in said first and second directions correspond to two pivotal movements of the door P1 around the joint A1.

The same applies to the second door P2, which collaborates with the first door P1 to close to the opening 01, and which is also attached to the body of the container 1 by means of an articulation A4 fixed in another portion of the edge or contour of the opening 01, so that the displacements of the second door P2 in said first and second directions correspond to two pivotal movements of the door P2 around the joint A4.

Both doors P1, P2 are, in general, displaced by the drive means simultaneously.

Each cylinder 3 is fixed to an inner face 1i of a wall of the container 1 in an area close to its base by means of respective supports S1, S2, and, although it has not been illustrated in the figures as these are schematic representations of the container 1, advantageously each cylinder 3 is arranged inside a housing or fairing that protects it against the impact of the waste from the container 1.

For all the illustrated embodiments, the hydraulic or pneumatic system comprises a hydraulic or pneumatic circuit with at least one first conduit C1 communicated, at its respective ends, with the first chambers 3a of both cylinders 3 to carry out the said positive control of the closure of the opening 01 by injecting a fluid that moves, by pushing, the pistons 4 in a first direction (upwards according to the working position illustrated).

In particular for the first and third embodiments illustrated by, respectively, Figs. 1a, 1b and 3a, 3b, the hydraulic or pneumatic circuit includes only said first conduit C1.

On the other hand, for the second and fourth embodiments illustrated by, respectively, Figs. 2a, 2b and 4a, 4b, the hydraulic or pneumatic circuit also includes a second conduit C2 communicated, at its ends, with the second chambers 3b of the cylinders 3, to carry out the positive control of the opening of the opening 01 by injecting a fluid that moves, by pushing, the pistons 4 in a second direction (downwards according to the work position illustrated), opposite to said first direction.

Preferably, the first conduit C1, or both conduits C1, C2, for the exemplary embodiments that include them, are formed by conduits (not illustrated) isolated and fixed to the inner face 1i of one or more walls of the body of the container 1, in order to minimize to the maximum its interference with the waste of the container 1. Such an arrangement is not seen in the attached figures as these are schematic representations of the container 1 proposed by the invention.

Referring now to Figs. 1 a, 1b and 3a, 3b, they are illustrated, respectively, to those mentioned above as the first and third embodiment examples, for which each of the two linear actuators 2 comprises a spring 6 configured and arranged inside a respective second chamber 3b of the cylinder 3, so that it moves, by thrust, to its respective piston 4 in said second direction, when the injection of fluid in the first chamber 3a ceases, to carry out said positive positive control of the opening of the opening 01.

In Figs. 1a and 3a illustrate the spring 6 in an extended position, that is, pushing the piston 4, and therefore the rod 5 also to its extended position, which in turn pushes the respective door P1. P2 to open and keep the opening 01 open, in this case each door P1, P2 being displaced angularly 90 ° with respect to the plane it occupies when it is closed. In this position the fluid has left the first chambers 3a of the cylinders 3, by the thrust of the pistons 4.

On the contrary, in Figs, 1b and 3b the spring 6 is illustrated in a retracted position, since the fluid has been injected into the first chambers 3a of the cylinders 3 with sufficient pressure to cause the pistons 4 to push the springs 6 until compressed, thus moving the stems 5 upwards, which causes the opening 01 to close by means of the doors P1, P2, For the first embodiment, the hydraulic or pneumatic system comprises a fluid supply / reception device communicated with the first conduit C1, forming a closed circuit, for supplying the fluid in order to inject it into the first chamber 3a of the cylinder 3 , to move the piston 4 in said first direction, and to receive the fluid when it leaves the first chamber 3a when the piston 4 moves in said second direction.

Although for other embodiments not illustrated, such a closed enclosure may be from another Indole, for said first embodiment it comprises, as illustrated in the Figs. 1a and 1b, a closed enclosure or chamber 7 communicated with the first conduit C1, and capable of containing the fluid, within which a piston 8 is arranged linearly movable inside, in a first direction (down, according to the position of work illustrated) to supply the fluid to the first conduit C1, in order to inject it into the first chamber 3a of the cylinder 3, and in a second direction (upwards, according to the work position illustrated) to receive the fluid from the first conduction C1 when leaving the first chamber 3a.

The piston 8 is connected to a first end 9a of an actuator Θ configured to move linearly by the thrust exerted on a second end 9b thereof by an actuator of said head of a device for handling and emptying containers, with in order to move the piston 8 in said first direction.

When the thrust exerted on the second end 9b of the actuator 9 by the actuator of the device for handling and emptying containers ceases, each spring 6 exerts a pushing force against its respective piston 4 that displaces it sufficiently to empty the chamber 3a of fluid, the fluid being conducted through the interior of the first conduit C1 to the interior of the enclosed enclosure 7, as illustrated in Fig. 1 a, which displaces the actuator 9 upwards protruding from the rest of the element of drive / coupling 12.

Both the enclosed enclosure 7 and the conduits that form the first conduit C1 are conveniently sealed, by conventional elements (joints, insulating materials, etc.), so as not to leak any fluid to the outside.

Referring now to Figs. 3a and 3b, the so-called above is illustrated therein, and described in part, third embodiment, which shares with the first embodiment the incorporation of the springs 6 to carry out the positive control of the opening of the doors P1, P2 ,

Unlike the first embodiment, the first conduit C1 of the third embodiment does not form a closed circuit that keeps the fluid inside, but defines an open circuit that requires an external supply of fluid, in particular from the mentioned head of the device to handle and empty containers.

To do this, as indicated in Figs. 3a and 3b, the hydraulic or pneumatic system comprises an inlet / outlet valve V1 configured to communicate with a fluid inlet / outlet of the actuator of the head of the device for handling and emptying containers (not illustrated), and communicated with the first conduit C1, in this case through the small conduit e1, to supply the fluid from the fluid inlet / outlet of the actuating organ in order to inject it into the first chambers 3a of the cylinders 3 with sufficient pressure to displace the pistons 4 in said first direction (as illustrated in Fig. 3b), overcoming the force of the springs 6, and to output the fluid to the fluid inlet / outlet of the actuator, when it leaves the first chambers 3a when the pistons 4 move in said second direction (situation illustrated in Fig. 3a), when the injection pressure ceases or decreases to a degree sufficient for the fu The force exerted by the springs 6 against the pistons 4 causes them to release the fluid from the chambers 3a of the cylinders 3, or by exerting an adequate suction force through the fluid inlet / outlet of the head actuator.

For another embodiment, the hydraulic or pneumatic system comprises a hydraulic pump 10, such as a gear pump, communicated with the first conduit C1 and intended to circulate the fluid inside to inject it into the first chambers 3a of the cylinders 3 , to move the pistons 4 in said first direction.

Such is the case previously referred to as a second embodiment, and illustrated by Figs. 2a and 2b, where the hydraulic pump 10 is connected, in addition to the first conduit C1, through the small conduit e1, also with the second conduit C2, through the small conduit e2, forming a closed circuit together with the first conduction C1 and the two chambers 3a, 3b of each, cylinder 3.

According to said second embodiment, the hydraulic pump 10 is provided to, in a first mode of operation, extract the fluid from the second chambers 3b by circulating it through the second conduit C2 and injecting it into the first chambers 3a by circulating it through the first conduction C1, and to, in a second mode of operation, extract the fluid from the first chambers 3a by circulating it through the first conduit C1 and injecting it into the second chambers 3b by circulating it through the second conduit C2.

As illustrated schematically in said Figs. 2a and 2b, the hydraulic pump 10 comprises an actuator 11 configured to move by the action exerted on it by the said actuator of the head of a device for handling and emptying containers, to operate the hydraulic pump 10, Although for other exemplary embodiments, not illustrated, such actuator 11 may be from another Indole, for the second embodiment of Figs. 2a and 2b, this is rotary and is intended to operate the hydraulic pump 10 in said first mode of operation, when turning in a first direction, and in said second mode of operation, to rotate in a second direction, forming the actuator 11 part of said drive / coupling element 12 of the container 1, and being configured to rotate in said two directions by the action exerted thereon by a rotating actuator, coupled thereto, of the head of a device for handling and empty containers.

Finally, referring to Figs. 4a and 4b, the fourth exemplary embodiment mentioned above is illustrated therein, which is similar to the third, that is, the one illustrated by Figs. 3a and 3b. but with the difference that the hydraulic or pneumatic system comprises, in addition to the first inlet / outlet valve V1 communicated with the first conduit C1 and configured to communicate with a first fluid inlet / outlet of the actuator head of the device head for handling and emptying containers, a second inlet / outlet valve V2 configured to communicate with a second fluid inlet / outlet of said actuator, and communicated with the second conduit C2.

The second valve V2 is provided to supply the second conduit C2 with the fluid coming from the second fluid inlet / outlet of the actuator, in order to inject it into the second chambers 3b of the cylinder 3, to displace the pistons 4 in the second direction (downwards, according to the working position illustrated), by exiting the fluid contained in the first chambers 3a in the direction of the first valve V1, and to output the fluid to the second fluid inlet / outlet of the organ of actuation, when the second chamber 3b exits when the piston 4 moves in the first direction, by the thrust generated by the fluid injected under pressure by the first valve V1.

In this way it is possible to move the pistons 4 in one direction or another depending on whether fluid is injected through one or the other of the valves V1, V2.

For variants of the illustrated embodiments, for which the hydraulic or pneumatic system of the container 1 comprises two or more linear actuators 2 per door P1, P2, this comprises several additional ducts, at least one per additional linear actuator 2, with communicated ends, through a distributor, with enclosure 7, with pump 10, or with valves V1 or V2, depending on the exemplary embodiment.

It is important to note that for all the described embodiments of the waste container proposed by the present invention, the action on the actuating means, that is on the linear actuators 2, can only be carried out by mechanical means, in particular by means of the actuator of the head of a device for handling and emptying containers, and cannot be carried out in a manner manual, in order to avoid improper manipulations of vandalism type. For this, the linear actuators 2 are designed so that the force necessary to displace their pistons 4 is greater than that one or more people can exert.

As regards the type of fluid used for linear actuators 2, this may be any that a person skilled in the art considers convenient, although it is considered preferred to use a type of non-contaminating fluid, such as water mixed with any additive, if , it is necessary, such as an antifreeze solution.

A person skilled in the art could introduce changes and modifications in the described embodiments without departing from the scope of the invention as defined in the appended claims.

Claims

1. - Waste container, of the type comprising:

- at least one door (P1) that closes an opening (Oí) for waste discharge;

- drive means comprising a hydraulic or pneumatic system that includes at least one linear actuator (2) formed by a cylinder (3) and a piston (4) linearly movable inside, delimiting two chambers (3a, 3b), and a rigid element connected by a first end to said piston (4) and a second end to said door (P1), which is at least one, for, in order to positively control the closure and opening of the opening ( 01), transmit the movement of the piston (4) to the door (P1) and thus move it, in a first direction, to close said opening (01), and in a second direction, opposite said first direction, to open said opening (01), said drive means being configured to be operated by an actuator of a device for handling and emptying containers; Y

- coupling means configured to join a coupling member of said device for handling and emptying containers, in order to move said container (1);

said container being characterized in that said cylinder (3) is fixed to an inner face (1 i) of a wall of the container body (1) in an area close to its base, because said rigid element is the rod itself (5) of the piston (4), connected to it by said first end (5b), and because said hydraulic or pneumatic system comprises a hydraulic or pneumatic circuit with at least a first conduit (C1) communicated with a first (3a) of said two chambers (3a, 3b) to carry out said positive control of the closure of the opening (01) by injecting a fluid that moves, by pushing, to said piston (4) in a first direction.

2. - Container according to claim 1, characterized in that said first conduit (C1) is formed by at least one insulated conduit and fixed to the inner face (1 i) of at least one wall of the container body (1).

3. - Container according to claim 1 or 2, characterized in that said opening (01) is defined in the base of the container (1).

4. - Container according to claim 1, 2 or 3, characterized in that said door (P1), which is at least one, is attached to the body of the container (1) by means of an articulation (A1), so that said displacements of the door (P1) in said first and second directions corresponds to two movements of pivoting the door (P1) around said articulation (A1).

5. - Container according to claim 4, characterized in that said rod (S) extends substantially perpendicular to the plane of said opening (01) and of the major faces of said door (P1), when it is closed.

6. - Container according to claim 4 6 5, characterized in that the second end (5a) of said rod (5) is attached to a joint (A3) fixed to the inner face (P11) of said door (P1), which It is at least one.

7. - Container according to any one of the preceding claims, characterized in that said linear actuator (2), which is at least one, comprises a spring (6) configured and arranged inside a second (3b) of said two chambers ( 3a, 3b), so that it pushes said piston (4) in a second direction, opposite to said first direction, when the injection of said fluid into the first chamber (3a) ceases. to carry out said positive control of the opening of the opening (01).

8. - Container according to any one of claims 1 to 6, characterized in that said hydraulic or pneumatic circuit comprises a second conduit (C2) communicated with a second (3b) of said two chambers (3a, 3b) to carry out said control positive of the opening of the opening (01) by injecting a fluid that moves, by pushing, to said piston (4) in a second direction opposite to said first direction.

9. - Container according to claim 8, characterized in that said second conduit (C2) is formed by at least one insulated conduit and fixed to the inner face (1i) of at least one wall of the container body (1),

10. - Container according to any one of claims 7 or 8, characterized in that said hydraulic or pneumatic system comprises a fluid supply / reception device communicated with said first conduit (C1), forming a closed circuit, to supply said fluid with the in order to inject it into said first chamber (3a) of the cylinder (3), to move the piston (4) in said first direction, and to receive the fluid when it leaves the first chamber (3a) when the piston (4) moves in said second sense.

11. - Container according to claim 10, characterized in that said fluid supply / reception device comprises a closed enclosure (7) communicated with said first conduit (C1), and capable of containing said fluid, within which a piston is arranged (8) linearly movable inside, in a first direction to supply the fluid to the first conduit (C1), in order to inject it into the first chamber (3a) of the cylinder (3), and in a second direction to receive to the fluid from the first conduit (C1) when it leaves the first chamber (3a).

12. - Container according to claim 1, characterized in that said piston (8) is attached to a first end (9a) of an actuator (9) configured to move linearly by the thrust exerted on a second end (9b) thereof , by said actuator of said device for handling and emptying containers, to move the piston (8) in said first direction.

13 - Container according to any one of claims 7 or 8, characterized in that said hydraulic or pneumatic system comprises a hydraulic pump (0) communicated with said first conduit (C1) and intended to circulate the fluid inside to inject it into the first chamber (3a) of the cylinder (3), to move the piston (4) in said first direction.

14 - Container 6 according to claim 13 when it depends on the 8, characterized in that said hydraulic pump (10) is also communicated with said second conduit (C2), forming a closed circuit together with the first conduit (Cí) and the two chambers ( 3a, 3b) of the cylinder (3), and because it is intended to, in a first mode of operation, extract the fluid from the second chamber (3b) by circulating it through the second conduit (C2) and injecting it into the first chamber (3a ) by circulating it through the first conduit (C1), and, in a second mode of operation, extracting the fluid from the first chamber (3a) by circulating it through the first conduit (C1) and injecting it into the second chamber (3b) by making it drive on the second line (C2).

15 - Container according to claim 13 or 14, characterized in that said hydraulic pump (10) comprises an actuator (1 1) configured to move by the action exerted on it by said actuator of said device for handling and emptying containers , to operate the hydraulic pump (10).

16. - Container according to claim 15 when it depends on the 14, characterized in that said actuator (11) is rotatable and is intended to operate the hydraulic pump (10) in said first mode of operation, by turning in a first direction, and in said second mode of operation, when turning in said second direction, the actuator (1 1) being configured to rotate in said two directions by the action exerted thereon by a rotating actuating member of said device for manipulating and empty containers

17. Container according to any one of claims 7 or 8, characterized in that said hydraulic or pneumatic system comprises an inlet / outlet valve (V1) configured to communicate with a fluid inlet / outlet of said actuator of said device for handling and emptying containers, and communicating with the first conduit (C1) to supply said fluid, provided with the fluid inlet / outlet of the actuator, in order to inject it into said first chamber (3a) of the cylinder (3), to move the piston (4) in said first direction, and to output the fluid to said fluid inlet / outlet of the actuator, when it leaves the first chamber (3a) when the piston (4) moves in said second direction ,

18. - Container according to claim 17 when it depends on the 8, characterized in that the hydraulic or pneumatic system comprises a second inlet / outlet valve (V2) configured to communicate with a second fluid inlet / outlet of the actuator of the device for handle and empty containers, and communicated with the second line (C2) to supply the fluid from the second fluid inlet / outlet of the actuator, in order to inject it into said second chamber (3b) of the cylinder (3), to move the piston (4) in said second direction, and to output the fluid to said second fluid inlet / outlet of the actuator, when it leaves the second chamber (3b) when the piston (4) moves in said first direction.

19. - Container according to any one of the preceding claims, characterized in that said drive means and said coupling means are part of the same drive / coupling element (12) configured to be manipulated by a head of a device for handling and emptying containers that incorporate said actuator and said coupling organ.

20. - Container according to any one of the preceding claims, characterized in that it comprises at least a second door (P2) that collaborates with said first door (P1) to close to said opening (01) for waste discharge or to close a second opening , and because said actuation means are provided to move said second door (P2) simultaneously and analogously as they do with the first door (P1).

21. - Container according to any one of the preceding claims, characterized in that said hydraulic or pneumatic system comprises at least two of said linear actuators (2) per door (P1, P2).