DE45014T1 - System for hardening resin-coated belts by means of electrons - Google Patents

Claims (28)

European Patent Application: 81105605.0 Assignee: Kennecott Corporation PATENT CLAIMS 1. Apparatus for forming coated webs, comprising a device for feeding a web of material , a device for applying a synthetic resin to the substrate, a source of high-energy Electron radiation, a device for guiding the path along this electron radiation source and a Device for picking up the web. 2. Apparatus according to claim 1, further comprising means for electrostatically depositing a Grain material on the track. 3- The apparatus of claim 1, wherein the device further comprises alternative paths for guiding the web past the electron source in order to guide the web past the electron source such that that one and / or the other side of the web directly 00450H • is exposed to electron radiation. _ 4. Apparatus according to claim 3, wherein the means b to move the tissue past a transport without contact of the uncured synthetic resin. 5. The device of claim 1, wherein the source of _n Electron radiation is accessible for cleaning purposes immediately after switching off the voltage. 6. The device of claim 1, wherein the web material is selected from one of paper, non-geo J5 woven textile material, natural fiber textile material and Synthetic fiber textile material existing group. 7. Apparatus according to claim 1, wherein the web as it moves past the source of electron radiation is provided in an inert chamber. 8. The device of claim 1, wherein the source of high energy radiation is radiation absorbing Chamber is arranged. 9. Apparatus according to claim 8, wherein said chamber has at least two openings for entry and exit the orbit as well as paths for this orbit between the openings, the source of high-energy electron radiation, an electron-absorbing housing, which houses the high-energy radiation source, a shielded one Work area and entry area into the chamber for the purpose of access to the source of high-energy radiation as well as to the devices for transporting a web, a target area enclosure for access to the inert chamber and the means for transporting the web through the electron beam target area provided that the Target area enclosure and the operating and access 00450U step areas are large enough to accommodate a Allowing a person easy access, with this Housing with the help of movable panels from the operating 5 area is accessible and the chamber during operation a radiation amount of less than 0.25 millirem per hour Lets radiation escape. 10. A chamber for treating resin-coated sheet materials, containing a chamber with inlet and outlet openings for a web material as well as paths for the web material between the openings, a source for high-energy electron radiation, an electron shielding Housing, which is the source of high energy Contains radiation, a shielded operating and access area into the chamber for the purpose of access to the source the high-energy radiation and to the facilities for transporting a train, a target area enclosure 2Q for operator access to the inert chamber and the facilities for passing the web through the electron beam target area with the proviso that the target area enclosure and the operating and access areas are sufficiently large for human access are, this chamber is accessible by means of movable panels from the operating area and wherein the Chamber emits radiation less than 0.25 millirem each Hour of radiation can escape during operation. 11. Chamber for a source of high energy electron radiation containing a generating device enclosure, which includes an electron beam generating device, a target area which the target for contains the electron beam device and an access room which provides shielded access to the chamber and allowed to the generating device. 00450U 12. The chamber of claim 11 wherein said chamber has less than 0.25 millirem per hour of radiation in operation emitted.
5 13- Chamber according to claim 11, wherein said chamber is a Includes means by which a sheet carrying a radiation curable resin enters the chamber and is movable past the electron beam device in order to cure the resin, wherein the web with the aid of the device can be conveyed out of the chamber. 14. Chamber according to claim 13 _s wherein further alternative means are provided by means of which the web i. O ■ - can be moved past the electron beam device with its resin-coated side or with its rear side is to harden the resin. _on 15. Chamber according to claim 11, wherein the walls and the roof area contained steel. 16. The chamber of claim 15, wherein the walls and roof area also contain lead. 17- A radiation chamber enclosure containing a radiation-resistant structure, a device for introducing a material web into this structure, a device for guiding the web past an electron beam source provided in the structure, a Means for moving the web out of the structure and an access device with the aid of which a human being able to enter the radiation-resistant structure for the purpose of cleaning the device carrying the web. 18. Radiation enclosure according to claim 17, wherein this Structure dimensioned large enough. is that the path within the structure moves from one within the structure QQ450H finding person is manageable. 19. The radiation enclosure of claim 17, wherein the input and output;
(101.6 mm.) Tall. Ingress and egress openings for the web about 4 inches 20. The radiation enclosure of claim 19, wherein the interior of the enclosure is divided into at least two Inner chambers and in which one of these inner chambers is the source of electron radiation in a radiation-resistant Shields material. 21. The radiation enclosure of claim 18, wherein the 15 Bahn is portable on its normal route in and through the structure while the radiation source is not switched on is and while a person is in the structure settings on the facilities for entering the Makes railway into the structure.
20th 22. The radiation chamber envelope of claim 17, wherein said envelope has less than 0.25 millirem per hour of radiation lets through. 23. Wrapping according to claim 17, wherein the radiation Resistant structure made of lead and steel has walls and roof. 24. Enclosure according to claim 17, wherein inlet openings provided for the web into the structure and exit openings for the web to exit the structure which are several centimeters high. gg 25. Enclosure according to claim 20, wherein an inner chamber closes the target area for the electron beam source * 26. The enclosure of claim 20 wherein an interior chamber allows operator access to the facilities that allow the railway to enter and exit. carries out of the chamber. 27. An enclosure according to claim 17, wherein the means for feeding the web past the electron beam source has alternative means to form paths for passing the web in such a way that the one or the other side is directly exposed to electron beams. 28. An enclosure according to claim 17, wherein the device for the web to enter the structure and the means for the web to exit the structure is at least 2, U m (8 feet) from an electron radiation source.