摘要:
An arrangement for unloading and loading X-ray film cassettes includes a frame-shaped support bounding a guiding channel in which there are received, one above the other, a plurality of mounting portions and, at the top, a cassette-handling unit. The mounting portions have identical configurations and bound respective channels of identical dimensions in each of the mounting portions. Storage receptacles of external dimensions compatible with those of the channels are respectively introduced into the latter. Each of the storage receptacles includes an insert selected from a plurality of inserts. Each of the inserts bounds a recess which is so dimensioned as to fittingly receive a stack of films of a given size. The recesses are so arranged that one corner of the recess is arranged at the same corner region of the insert in all of the inserts. The cassette-handling arrangement includes devices which open the cassette, withdraw the film therefrom, introduce a fresh film thereinto, and close the cassette. The films withdrawn from the cassette can be directly fed into a processing machine, or they may be forwarded into a storage container mounted on the cassette-handling unit. The mounting portions have aligned through passages at their associated ends, through which the films withdrawn from the storage receptacles are transported by transporting rollers toward the respective cassettes. A path-selecting element may be provided for bypassing the storage container.
摘要:
An X-ray film cassette has body and cover parts movable relative to one another between open and closed positions and provided with locking elements, magnetic and counter plates associated with these parts and attractable to one another, at least one reinforcing foil arranged to be brought together with a film between the magnetic and counter plates, wherein the reinforcing foil has a surface arranged to face toward the film and being rough with a roughness of between 10 and 60 microns.
摘要:
Apparatus for recording data on X-ray films which are stored in cassettes having windows for exposure of certain portions of films therein includes a housing with two slots for insertion of cards with information pertaining to the patient and/or physician. The housing confines a battery of liquid crystals and an associated digital clock, digital calendar and digital counter each adapted to be actuated from the exterior of the housing to cause the corresponding liquid crystals to furnish the selected information. Such information, together with information on one of the cards, is imaged onto the exposed portion of X-ray film in the properly inserted cassette by a partly light transmitting mirror and an optical element. The images of the liquid crystals are inverted depending upon whether the X-ray film bears a postero-anterior or an antero-posterior picture of a patient's chest to thus ensure that the recorded data can be read while the physician looks at the developed film in a manner as is customary for examination of X-ray pictures. The liquid crystals can be illuminated by a discrete light source so that the light source which illuminates the data cards inserted into the housing need not be selected with a view to properly illuminate the liquid crystals and vice versa.
摘要:
An electrolytic cell for carrying out processes during which gas is evolved is disclosed. The cell includes at least one hoodlike cover positioned above one or more electrodes and having an outlet opening below the electrolyte surface for the gas-electrolyte suspension and an elecrolyte-recycling space positioned outside the projection of the cover. The recycling space is free from gas-producing electrodes and is spaced a sufficient distance from the outlet opening that the backflow of gas is precluded.
摘要:
Alkali metal chlorides, e.g. brine, are electrolized in the presence of substantially horizontal anodes provided on the underside with channel- or groove-like recesses. The anodes and/or the course of the channel- or groove-like recesses in the anodes are positioned to define spaced apart regions between the anodes so as to provide for an outflow of chlorine from the space between the electrodes and for an inflow of brine into this space.
摘要:
The invention relates to a device for the production of hot-rolled steel strip comprising at least one continuous casting machine, at least one pair of scissors, at least one calibration oven, a de-scaler, optionally, a roughing train, a finishing train (multi-stand rolling mill or Steckel mill(s)), a roller path comprising a cooling area and at least one pickup reel for the thermal strip. A compact structure is achieved by virtue of the fact that the casting line and the rolling line are arranged parallel or approximately parallel to each other such that the direction of casting and direction of rolling are oriented essentially in an opposite direction to each other.
摘要:
An anesthetic evaporator with a pressure control circuit has a differential pressure pick-up (18) can be calibrated in a simple manner. A switchover device (20) is provided according to the present invention at a bypass gap (3), which is designed to connect the gas inlet (4) directly with the gas outlet (5) via a first bypass line (23) and to bridge over the bypass gap (3) via a second bypass line (26) connected to a ventilation duct (27) in a first switching position. The gas flow from the gas inlet (4) to the gas outlet (5) is established via the bypass line (2) in a second switching position. The calibration of the differential pressure pick-up (18) with the pneumatic connections (16, 17) is performed in the first switching position of the switchover means (20) via the ventilation duct (27), which is open toward the ambient atmosphere.
摘要:
An anesthetic tank (1) of an anesthetic dispensing unit is used especially for desflurane and has improved reliability of operation by mutually complementing level monitoring devices. The anesthetic tank (1) is equipped with a level tube (3) arranged in or on the outer wall with a connection line (6) into the interior space as well as with an optical level sensor (4). The optical axis (5) of the level sensor (4) is located at the same level as a mark (33) on the level tube (3).
摘要:
Data blocks recorded on oblique tracks on magnetic tape are preceded by synhronizing signals and block identification signals. The serial data identification signals are converted to 8-bit parallel form and then are split between an undelayed channel and a channel delayed by one data block. Under control of a sync detector the parallel data are made to correspond with data words and are then decoded for comparison of the block numbers. Since the block numbering is consecutive, the delayed decoded block number is incremented by one for comparison. When a positive comparison is obtained the block number of the delayed decoded signals is made available to identify the data block. A counter in a so called fly wheel circuit assures provision of a new block start signal if a synchronizing signal is missed and prevents the timing of the circuit from being put off by a false detection of a synchronizing signal. A block identification output appears only if its block number is in sequence.
摘要:
The dental agent is based on a liquid monomer, mixture of monomers or preymer containing acrylic, methacrylic or vinyl groups with addition of acrylic or methacrylic acid as the base mixture, and further contains(A) a halogen-sulfonated polyolefin and/or(B) a halogenated acrylate or methacrylate.The boding agent is especially well suited to prepare permanent composite dental bonding of metal and plastic and of ceramics and plastics.