PRESSURE BOX FOR THE MANUFACTURE OF THE SUBSTRATE Russian patent published in 2023 - IPC D21F1/02 

Abstract RU 2789680 C1

FIELD: production of substrates.

SUBSTANCE: group of inventions relates to pressure boxes for the formation of substrates. The pressure box has a machine direction and a transverse direction, and the pressure box contains at least one flow section, while at least one flow section contains: a lower surface; an upper surface, with the upper surface being opposite with respect to the lower surface; the first side and the second side, with the second side being opposite with respect to the first side and is located at a distance from the first side in the transverse direction; moreover, both the first side and the second side contain: the first part, which is convex with respect to the inner part of at least one flow section; and the second part, which is concave with respect to the inner part of at least one flow section.

EFFECT: invention provides the opportunity of a device for pressure

20 cl, 9 dwg

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RU 2 789 680 C1

Authors

Marrano, Stephen, A.

Krautkramer, Kyle

Dates

2023-02-07Published

2021-05-28Filed