FIELD: instrument making.
SUBSTANCE: chain comprises joined links with a cross section of each link, the contour of which is arranged with ribbing, excluding in place of contact between chain links within a contour part. A part of the contour is arranged in the form of a circular arc equal to half a pitch of the chain or a radius of a curvilinear part of the chain pitch. Cross section of each link is arranged with the ratio of its vertical dimension to a horizontal dimension equal to 0.5-0.9. All ribs of each chain link have a cross section in the form of concave circular arcs.
EFFECT: improved dust collecting of a chain curtain, intensified heat exchange with higher effect, reduced heat consumption for baking and higher chain safety margin.
2 cl, 3 dwg
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RU2432225C1 |
