摘要:
A device and method for transporting blanks is provided. The blanks are made from an initially plastic, subsequently dried and finally fired material. A transport tray transports the blanks through both a dryer and a kiln. The blanks can be stacked on a drying trolley or a firing trolley. A first transfer device transfers the blanks onto the drying trolley when the blanks are stacked on the transport tray and are plastic. The drying trolley transports the blanks and the transport tray in the dryer for drying the blanks. A second transfer device transfers the blanks and the transport tray onto the firing trolley after the blanks have been dried. The firing trolley transports the blanks and the transport tray in the kiln for firing the blanks.
摘要:
The present invention relates to a device (1) for transporting blanks (2) made from an initially plastic, especially ceramic, material towards a dryer (3), from the dryer (3) and towards a kiln (4), with a dryer supply device (7) for supplying the blanks (2) to the dryer (3) and a removal and supply device (8) for removing the blanks (2) from the dryer (3) and for supplying the blanks (2) to the kiln (4). Transport trays (5) made from a heat-resistant material for the blanks (2) are associated with the device (1). The supply device (7) provides a blank-loading device (19) for loading the blanks (2) in each case onto a transport tray (5), and the removal and supply device (8) provides a transfer device (22a, 22b, 22c) for gripping the respective transport tray (5) loaded with the blanks (2) and transferring it to the kiln (4).The present invention further relates to a method for transporting blanks.
摘要:
The present invention refers to a method of producing immunosuppressive blood cells that can be used for the treatment of autoimmune diseases, in particular multiple sclerosis, organ graft rejection and graft-versus-host disease.
摘要:
An appliance with a hazardous device contains a first controller controlled by a first control element which, in turn, is controlled by a second controller by use of a first switching element. An electrically controllable protection device is provided and is controlled by a second control element, it is possible to deactivate the protection device. A storage capacitor is provided between the first and the second control element and supplies the second control element with energy for a control pulse and is charged by the first control element when the first controller is switched off and is discharged by the first switching element when the first controller is switched on. This circuit generates a safe control circuit. In the event of a possible hazardous state, either the first controller is no longer supplied with energy or the protection device cannot be deactivated, and so danger to a user is precluded.
摘要:
A control apparatus for an electrical domestic appliance with a component that presents a danger to the user and a protection component for protecting the user against a danger presented by the dangerous component, has a control device monitoring the operating states of the dangerous component and the protection component and also to activate and/or deactivate the protection component. A protection device prevents a deactivation of the protection component by the control device outside a deactivation operating range of the dangerous component, in which range deactivation of the protection component is permissible. The control apparatus also has a protection-device monitoring device that initiates a deactivation of the protection component within a simulation operating range of the dangerous component within which the operating state of the dangerous component does not present a danger to the user and which range is outside the deactivation operating range. The control device also identifies a malfunction of the protection device if the protection component is actually deactivated when deactivation of the protection component is initiated by the protection-device monitoring device.
摘要:
An AC voltage controller has two transistors which can be positioned between two AC voltage terminals in series with a load. The two transistors are connected in series in such a way that their respective source terminals are connected to one another. The AC voltage controller also contains a signal generator for generating a switching signal for actuating the two transistors, a buffer which is connected downstream of the signal generator and which is set by the signal generator in order to actuate the two transistors. An actuation circuit or driver circuit is connected downstream of the buffer, for the purpose of actuating the two transistors in accordance with the set state of the buffer. A current-limiting circuit is provided for limiting or switching off the current through the two transistors in the case of an excessively large current through the load.
摘要:
After extrusion, cutting, and tilting 90.degree. alternate green bricks are rotated 180.degree. about a vertical axis to form brick pairs with the back (unfinished) sides of both bricks facing each other. These reoriented brick pairs are then gripped and stacked. Conventional grippers, such as a vacuum gripper, may be used to grip only the backs of each brick in the pair. In this way, all of the finished faces of the stacked bricks avoid damage while simultaneously being more uniformly exposed to the kiln drying and firing atmosphere and thus may achieve a more uniform appearance. No special tools are required to handle irregular or specially designed brick faces because the gripper grips only the back of each brick pair.
摘要:
A process for hydrogenating mediators with the aid of surfactant-modified metal catalysts, and catalysts which can be used for this purpose, are described.
摘要:
Apparatus for severing bags from a two-ply web of thermoplastic material. The apparatus includes web guide rollers defining a nip, and a plurality of peripheral grooves in the guide rollers in which upper and lower air directing tubes are positioned to guide a web as it passes downstream of the feed rollers. A continuously transversely moving severing knife is provided downstream of the feed rollers and below the plane defined by the moving web. A pair of welding jaws are provided adjacent the cutting knife to grip the web in a plane below the web movement plane to weld the plies of the web together and to deflect the web into position for providing a transverse cut therein by means of the severing knife. A pivot lever is provided to pivot downstream ends of the lower air directing tubes in a downward direction to prevent interference between the downwardly deflected web and the downstream ends of the air directing tubes. A set of clamping jaws is provided on the opposite side of the severing knife from the welding jaws in order to securely hold the web during the cutting operation.