TUBULAR HEAT-EXCHANGER ASSEMBLY METHOD Russian patent published in 1994 - IPC

Abstract RU 2019377 C1

FIELD: manufacturing of tubular heat-exchangers. SUBSTANCE: method involves arranging tubular walls into pack; cutting and reaming holes in pack in one pass of tool; positioning walls along tube bundle by moving walls, with number of simultaneously moved walls being increased; positioning tube sheets and expanding tube ends. EFFECT: increased quality of heat-exchangers. 12 dwg

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RU 2 019 377 C1

Authors

Utkin Vadim Valentinovich

Dates

1994-09-15—Published

1992-01-29—Filed