LAMINATE BOLT Russian patent published in 1999 - IPC

Abstract RU 2143613 C1

FIELD: manufacture of fastening products, possibly for building, machine engineering and other structures. SUBSTANCE: laminate bolt includes at least two subareas of materials. At least a part of line of cross section boundary and(or) at least a part of line of boundary of material subareas is in the form of fragment of oblique cone section of straight circular cone. EFFECT: constructionally caused directivity of strength properties at operation, enhanced efficiency of fixation against self-turning off, high corrosion resistance, easy identification of bolt maker. 16 cl, 16 dwg

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RU 2 143 613 C1

Authors

Lobko V.P.

Toritsyn I.V.

Dates

1999-12-27Published

1999-06-22Filed