METHOD OF MANUFACTURING REINFORCED SPACING MATERIAL Russian patent published in 2005 - IPC

Abstract RU 2258855 C1

FIELD: sealing engineering.

SUBSTANCE: method comprises applying the perforated metallic foil provided with perforation teeth from one side on the sheet made of thermally expanded graphite from its both sides and joining them by pressing by means of introducing metal teeth into the thermally expanded graphite. The perforated sheet is manufactured by its punching with the grinding angle being from 40 to 65°. The area of the perforated sections is no less than 2% of the total area of the foil.

EFFECT: enhanced strength and durability.

1 cl, 10 dwg

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RU 2 258 855 C1

Authors

Ionov S.G.

Levin V.N.

Murav'Ev V.A.

Gamidov M.Z.

Avdeev V.V.

Dates

2005-08-20—Published

2003-12-01—Filed