The present invention relates to novel lignin-derived compounds and compositions comprising the same and their use as redox flow battery electrolytes. The invention further provides a method for preparing said compounds and compositions as well as a redox flow battery comprising said compounds and compositions. Additionally, an assembly for carrying out the inventive method is provided.

A store management server configured to communicate with an alert device installed in a store, includes a network interface and a processor configured to identify a customer entering the store, acquire customer information about the identified customer, detect that the customer is holding a commodity in the store, acquire sales restriction information about the commodity held by the customer, determine whether the customer is eligible to buy the commodity held by the customer based on the acquired customer information and sales restriction information, and control the network interface to transmit, when it is not determined that the customer is eligible to buy the commodity, a first command to an alert device. The first command causes the alert device to output an alert.

An appliance includes a hinge module between a main body and a pull-down door. The hinge module includes a housing, a rotational axis member disposed in the housing serving as a center of rotation between the pull-down door and the main body, an inner link housing movably disposed in the housing that moves with the opening of the pull-down door in a direction of the rotational axis member, and a damper installed in the inner link housing, the damper including a piston and a cylinder and providing damping force according to a relative movement of the piston and the cylinder. Any one of the piston and the cylinder of the damper moves with the inner link housing and the other of the piston and the cylinder of the damper moves by a predetermined distance as the inner link housing moves and then is interfered by the housing so as not to move further, and the piston and the cylinder of the damper starts damping, wherein the predetermined distance corresponds to an opening angle of the pull-down door in which the damping is started.

An enclosure for protecting a load comprises a truck bed to hold items, a front wall affixed to a proximal end of a width of the truck bed, and a rear wall affixed to a distal end of the width. A main header member runs along the length of the truck bed connecting the rear and front walls to form a central mounting point along a length of the truck bed that is disposed at a maximum height of the rear wall and the front wall. A passenger side gull wing door and a driver side gull wing door are mounted to the main header member by a plurality of hinges affixed to the main header member and which provide a movable joint for the gull wing doors. One or more hydraulic lift cylinders are operative to raise and lower a respective gull wing door.

A fire protection fastening device for fastening a door actuator, includes a frame with a back side, which is to be oriented to a mounting surface, in particular to a door, casing or wall, wherein a mounting axis is defined vertically to the back side. The frame is formed for arrangement between a door actuator and the mounting surface or is an integral component of the door actuator (102), at least one reaction chamber formed in the frame, wherein the frame delimits the reaction chamber on the entire circumference. The reaction chamber is open on the back side and/or on a front side of the frame opposite the back side. The device further includes a drive element made from thermally intumescent material disposed in the reaction chamber and, when activated, is formed for pushing away the door actuator from the mounting surface.

The present invention relates to a method for producing one or more low molecular weight aromatic lignin-derived compounds. The method preferably comprises providing lignocellulosic material, subjecting the lignocellulosic material to a pulping process, separating pulp to provide a substantially pulp-free process stream comprising a modified lignin-derived component, isolating the modified lignin-derived component, subjecting the isolated modified lignin-derived component to a decomposition step comprising oxidative cracking (cracking and oxidizing) or reducing under the influence of a catalyst or electro-oxidation, and subjecting the resulting products to an isolation step, to provide a low molecular weight aromatic lignin-derived compound. Said compound may be further modified, e.g. by annulation. The inventive method preferably comprises further oxidizing said compound to a redox active compound. Additionally, the present invention relates to compounds obtainable by the inventive method and to an assembly for carrying out the inventive method. Furthermore, the present invention refers to a method for providing an existing pulp and/or paper manufacturing plant with said assembly.

A hinge for the controlled rotatable movement of a closing element anchored to a stationary support structure includes a pivot, a hinge body and a hydraulic damping cylinder. The pivot has a first axis and includes a cam, and the hinge body is engaged to the pivot so as to be rotatably coupled to each other around the first axis. The hydraulic damping cylinder includes a jacket and a plunger element, and the jacket defines a second axis, houses a working fluid and is divided into a first and a second variable volume compartment in fluid communication with each other. The plunger has a first and a second end respectively inserted into the first and second variable volume compartment to slide sealingly in the jacket. The hinge body includes a working chamber defining a third axis that is substantially perpendicular to the first axis and contains an elastic counteracting member.

A hinge for the controlled rotatable movement of a closing element anchored to a stationary support structure includes a pivot, a hinge body and a hydraulic damping cylinder. The pivot has a first axis and includes a cam, and the hinge body is engaged to the pivot so as to be rotatably coupled to each other around the first axis. The hydraulic damping cylinder includes a jacket and a plunger element, and the jacket defines a second axis, houses a working fluid and is divided into a first and a second variable volume compartment in fluid communication with each other. The plunger has a first and a second end respectively inserted into the first and second variable volume compartment to slide sealingly in the jacket. The hinge body includes a working chamber defining a third axis that is substantially perpendicular to the first axis and contains an elastic counteracting member.

An apparatus comprising a baseplate configured to be coupled to a door configured to be positioned in an open door position, a closed door position, and a plurality of door positions in between the open position and closed position; a motor; a circuitry electrically coupled to the motor and configured to be in communication with a remote computing device; at least one proximity sensor electrically coupled to the circuitry and configured to determine the door position with respect to a door frame; a drive wheel coupled to the motor and the circuitry, the drive wheel comprising an external surface, the external surface of the drive wheel configured to rotatably contact a ground surface; and wherein the motor is configured to be remotely activated by the remote computing device to engage the drive wheel to rotatably contact the ground surface to reposition the door responsive to receipt of a signal.

Ready-to-install door systems comprising, prior to installation, a door, a hinge-side z-bar, a drip cap, and a latch-side z-bar, all connected. In addition, the system may comprise door closer hardware attached to the door and either the drip cap or the hinge-side z-bar; an installation notch; or screw holders. Screw holders are also provided. Methods of installing the present door systems are also provided.