FIELD: ore-dressing equipment. SUBSTANCE: screen is made in form of rubber sheet 3 secured on support frame 1 by means of projections 4 made on sheet 3. Sheet 3 has slots arranged in parallel rows and displaced in adjacent raws through half a pitch. Frame 1 has holes 6 to engage with projections 4 made in form of two coaxial cylinders 7 and 9. Placed between cylinders 7 and 9 is truncated cone 8. Cone larger base is pointed towards sheet 3 and is made with diameter exceeding diameter of hole 6. Diameter and height of cylindrical part 7 of projection 4 are equal, respectively, to diameter and height of hole 6. Diameter of cylindrical part 9 is less than diameter of hole 6, and its height is not less than double height of holes in frame 1. EFFECT: simplified mounting. 3 dwg
| Title | Year | Author | Number |
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| APPARATUS FOR PIERCING MESHES IN SCREENS | 0 |
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| HYDRAULIC CONICAL SCREEN | 0 |
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| SEPARATOR FOR DUST-LIKE MATERIALS | 0 |
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SU1554996A1 |
| ARRANGEMENT FOR CONSTRUCTING PROFILED HYDRAULICALLY DEPOSITED STRUCTURES | 0 |
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| ARRANGEMENT FOR CENTERING CONVEYER BELT | 0 |
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| HYDROCYCLONE | 0 |
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SU625771A1 |
