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:
A reinforced flexible x-ray film cassette includes two cassette parts which are connected at one side by a hinge and which are cylindrically curved as considered in a plane normal to the hinge. Two circumferentially extending ribs are provided on one of the cassette parts and a single circumferentially extending rib is provided on the other cassette part, the single rib being received between the two ribs in the closed position of the cassette to form a light barrier therewith and being in force-transmitting engagement therewith to reinforce the cassette against bending or twisting. The cassette part which constitutes the bottom includes a foil of ferromagnetic material floatingly supported on an elastic peripheral strip and an intensifying shield supported on this foil. The cassette part which constitutes the top includes a magnetic plate supported on elongated projections of the cassette wall and supporting another intensifying shield. In the closed position of the cassette, the magnetic plate attracts the ferromagnetic foil to thereby eliminate air inclusions between the intensifying shields and the x-ray film interposed therebetween. The hinge includes two rails interconnected by a flexible, part-cylindrical connecting portion. Each of the rails of the hinge has a recess which receives a correspondingly configurated projection of the frame of the respective cassette part.
摘要:
A film cassette, particularly an X-ray film cassette, includes a housing which bounds a compartment for accommodating a film and having an opening for exposing an image on a predetermined portion of the film in the compartment. The opening is light-tightly closed by a closure which is displaceable between its closed and open positions and which is latched in its closed position by a latching member which is pivotally mounted on the closure and engages the housing at one of its ends. The other end of the rocker is accessible to an actuating pin of an exposing device through an access opening in the closure, so that the actuating pin can pivot the rocker into its releasing position in which the closure is free to move towards its open position, and displace the closure between its closed an open positions. When the closure is open, the exposing device exposes data onto a portion of the film in the cassette which is aligned with the opening.
摘要:
A cassette for an X-ray film has a cover part, a body part, and means for connecting these parts in a closed position of the cassette. A magnetic plate is associated with one of the parts, whereas a counterplate is associated with the other part of the cassette. The counterplate is constituted by a material which is highly susceptible to a magnetic moment so that in the closed position of the cassette, the counterplate is attracted to the magnetic plate, whereby the coils are urged toward one another and reinforcing parts which surround the X-ray film are pressed to the latter.
摘要:
A film cassette including a base and a cover, two lock and release slides selectively movable for locking the cover to the base in a closed position and for releasing the cover from the base in an open position, and a linkage for linking the two slides together such that when forces arise on the two slides when a jolt is experienced, the forces on the two slides act against one another. In this way, the chance of such forces leading to movement of the two slides is reduced.
摘要:
The method for the manufacture of wall connector pieces is based on a thin-walled tubular blank which is first reduced in diameter at least one, preferably both ends in order to increase the wall thickness. In this way, a basis is provided for further shaping, for example, the manufacture of a connector piece (4) or a closed end (5).
摘要:
The method for the manufacture of wall connector pieces is based on a thin-walled tubular blank which is first reduced in diameter at least one, preferably both ends in order to increase the wall thickness. In this way, a basis is provided for further shaping, for example, the manufacture of a connector piece (4) or a closed end (5).
摘要:
A machine tool (1) has a work chamber (3), in which two workpiece supports (7, 8) can move independently of one another. A plurality of tool bits (44, 45) are also disposed in the work chamber. Movement devices which define movement regions are assigned to the workpiece supports (7, 8). These movement devices overlap one another in a region in which a machining unit (35) can be disposed. With such a machine tool, very high flexibility in terms of the workpieces to be produced as well as high productivity are achieved. The machine tool (1) thus makes it possible to achieve high degrees of automation, even with small-scale mass production.
摘要:
In a method for producing a coupling on a pipe, preferably consisting of copper or steel or Cu-, Ni-, Fe-alloys, by way of a preferably graduated or one-stage expansion of the pipe end to create a much larger difference in diameter, an expansion tool is introduced axially into the end of the pipe. Once the expansion tool has been introduced into the pipe end, the region of the pipe end that is to be or has been expanded is completely or partially compressed, by a force acting axially on the pipe end, so that the external diameter of the pipe end that is to be processed is delimited by one or more shaping jaws that completely or partially surround the pipe end. The invention also relates to a device for producing a coupling on a pipe end according to the method.
摘要:
Provided is a device including a water-dispersible base layer; a water-dispersible wipe layer attached to the base layer at a seam and defining an interior space between the wipe and base layers, the interior space having an internal surface; and a pouch positioned within the interior space, the pouch having a top layer, a bottom layer attached to the top layer to form a cavity therebetween, an opening in one of the top and bottom layers, and a pull tab attached to the pouch.