| 摘要 |
An elastic card for the sieve of screen contains an elastic base with openings, between which stiffening ribs with supporting protrusions on their edges are located, in this case in the stiffening ribs and in their supporting protrusions reinforcing threads are molded. Reinforcing threads in the stiffening ribs and in their supporting protrusions are located in vertical plane, in this case in the supporting protrusions the reinforcing threads are located in the form of, at least, two plane figures.
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