Means and technique for making radiographic examinations专利检索-辐射屏蔽辐射防护防辐射专利检索查询-专利查询网

Means and technique for making radiographic examinations

阅读：69发布：2022-06-24

专利汇可以提供Means and technique for making radiographic examinations专利检索，专利查询，专利分析的服务。并且A means and technique are disclosed for making a radiographic examination of a body at any or all points about the periphery thereof. According to the technique, a nuclear radiation source is enclosed in a recording device which is adapted to shield the source against the escape of radiation therefrom, but which has a recess in the exterior thereof across which the radiation can travel in a path confined within the device. The body is inserted into the recess so that a portion of the same is exposed to the radiation thereacross, while a section of a recording film which is sensitive to the radiation is arranged in the recess on the opposite side of the body from the source to record the character of the portion thereon. Thereafter, the body, the source, and the film are shifted in relation to one another so as to expose a different portion of the body to the path of radiation while another section of the film is arranged in the recess on the opposite side of the body from the source. Moreover, during the shifting process, radiation shielding is interposed in the path of radiation between the source and the recess so that the character of each portion of the body is separately recorded on a different section of the film.，下面是Means and technique for making radiographic examinations专利的具体信息内容。

权利要求

1. Apparatus for making a radiographic examination of a body, comprising a recording device for enclosing a nuclear radiation source, which is adapted to shield the source against the escape of radiation therefrom, but which has a recess in the exterior thereof across which the radiation can travel in a path confined within the device, the recess being adapted to receive the body therein so that a portion of the same is exposed to the radiation thereacross, means for arranging a section of a recording film which is sensitive to the radiation in the recess on the opposite side of the body from the source to record the character of the portion thereon, means for shifting the body, the source, and the film in relation to one another so as to expose a different portion of the body to the path of radiation while another section of the film is arranged in the recess on the opposite side of the body from the source, and means for interposing radiation shielding in the path of radiation between the source and the recess during the shifting process, so that the character of each portion of the body is separately recorded on a different section of the film, the recording device being in two, individually-shielded parts which are mated to one another to form the recess therebetween, and the body being inserted in the recess by mating the parts thereabout, one part of which has an aperture in the radiation shielding thereof which opens into the recess, and the source being inserted in this one part and reciprocated into and out of registry with the aperture during the recording process, the other part having a pair of slots in the radiation shielding thereof which open into the recess at points that are spaced apart from one another opposite the aperture in the one part, and the film being inserted in this other part and advanced section by section through and across the space between the slots, and the means for shifting the body, the source, and the film in relation to one another including means which are operative to rotate the device about the body while the source is out of registry with the aperture and the film is being advanced another section.

2. The apparatus according to claim 1 wherein the parts are adapted to be closed about the body from opposite sides thereof, and interconnected with one another so as to be supported by the body, the recess being in the form of a bore through the device which accommodates the part of the body to be examined.

3. The apparatus according to claim 1 wherein the rotation means include a wheel on the device which engages a traction surface on the body so as to cause the device to rotate about the periphery of the same as the wheel tracks over the surface.

4. The apparatus according to claim 3 wherein the means for shifting the body, the source, and the film in relation to one another also include a spooling device which has the film carried thereon and which is connected to the wheel so as to turn therewith.

5. The apparatus according to claim 3 fuRther comprising a tread-forming device which is adapted to be clamped to the body to form the traction surface thereon.

6. The apparatus according to claim 1 wherein the nuclear radiation source is mounted on a reciprocably-guided shuttle which is spring biased into a normal position in which the source is out of registry with the aperture, there being a solenoid connected with the shuttle which, when energized, causes the shuttle to reciprocate against the bias thereon into a position in which the source is registered with the aperture.

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Means and technique for making radiographic examinations

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