FIELD: nuclear power engineering. SUBSTANCE: spacer hexagonal cells 1 are formed due to the fact that sheets 3 have two ends 4 and 5 and most of them are passed through several sides of cells 2a, 2b, and 2c. Ends 4 and 5 are welded to respective bend edges 6 and 7 of other such sheet parts 8, 9. These bend edges of sheets form corners of interelement spacer. EFFECT: reduced number of welds, use of only one type of sheets. 23 cl, 17 dwg
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RU2249865C1 |
