Process for testing the filling capability of tobacco and devices for performing such process
阅读：140发布：2023-03-16
专利汇可以提供Process for testing the filling capability of tobacco and devices for performing such process专利检索，专利查询，专利分析的服务。并且The ''''filling capability'''' of tobacco is measured by pressing a pressure plate of fixed area onto a quantity of tobacco with a constant pressure, providing a point source of ionizing radiation at a fixed position on the vertical axis of the plate and determining the quantity of radiation, either reflected by or transmitted through the compressed tobacco, from the radiation source to detection means positioned approximately in the plane of the pressure plate. Several embodiments of apparatus for conducting such measurements are disclosed.，下面是Process for testing the filling capability of tobacco and devices for performing such process专利的具体信息内容。
1. A method for testing the filling capability of tobacco or like material under test which comprises: a. compressing material under test beneath a pressure plate of predetermined area that applies a predetermined pressure to said material under test, b. providing a substantially point source of ionizing radiation approximately on the central vertical axis of said predetermined area adjacent the horizontal plane of said pressure plate or a short distance below said plane, c. maintaining said pressure plate in compressing position with said predetermined pressure for a measured period of time, d. maintaining said source of ionizing radiation at said position of step b for said measured period of time, and e. measuring the quantity of ionizing radiation that arrives at a predetermined area adjacent said vertical axis in approximately said horizontal plane over said measured period of time.
2. The method of claim 1 wherein the pressure applied by said pressure plate to the material under test corresponds to the weight of the pressure plate and ancillary test means affixed thereto.
3. The method of claim 1 wherein the pressure applied by said pressure plate to the material under test derives from a power source external of said pressure plate.
4. A method for testing the filling capability of tobacco which comprises: a. compressing tobacco under a circular pressure plate of predetermined area that applies a predetermined pressure upon the tobacco beneath it, b. providing a substantially point source of ionizing radiation above the tobacco compressed beneath said pressure plate, said source being on approximately the central vertical axis of said pressure plate, c. maintaining said pressure plate in compressing position as stated for step a for a measured period of time, d. maintaining said source of ionizing radiation fixed in the position as stated in step b for said measured period of time, and e. measuring the quantity of ionizing radiation that arrives at an area concentric with said vertical axis in approximately the horizontal plane of said pressure plate by reflection from said source by the compressed tobacco over said measured period of time.
5. A method for testing the filling capability of tobacco which comprises: a. compressing tobacco under a circular pressure plate of inverted dished configuration, which plate applies a predetermined constant pressure upon the tobacco beneath it, b. providing a substantially point source of ionizing radiation beneath said pressure plate within said compressed tobacco, said source being on approximately the central vertical axis of said pressure plate, c. maintaining said pressure plate in compressing position as stated for step a for a measured period of time, d. maintaining said source of ionizing radiation fiXed in the position as stated in step b for said measured period of time, and e. measuring the quantity of ionizing radiation that arrives at an area concentric with said vertical axis in approximately the horizontal plane of said pressure plate by transmission from said source through the compressed tobacco over said measured period of time.
6. A device for testing the filling capability of tobacco which comprises: a. a pressure plate of predetermined area, b. a point source of ionizing radiation approximately on the central axis of said pressure plate, c. a plurality of detectors for ionizing radiation originating from said point source positioned approximated on the plane of said pressure plate concentric with said central axis.
7. The device of claim 6 wherein said radiation source is positioned on the point of a needle that depends from the bottom side of said pressure plate on said central axis.
8. The device of claim 7 wherein a protective pipe slidably encircles said needle and is spring biased into a position to surround the entire length of said needle.
9. The device of claim 6 wherein said pressure plate is dish shaped and said detectors lie on the convex side thereof.
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