APPARATUS FOR KNURLING SCREW SURFACE ON ROUND WIRE Russian patent published in 1998 - IPC

Abstract RU 2118211 C1

FIELD: manufacture of screw wire nails. SUBSTANCE: apparatus includes four-roller knurling head with cylindrical roller holders and allows to change intersection angle of rollers of each pair from 0 up to 45 degrees and to realize knurling process by means of one or two pairs of rollers. EFFECT: enlarged manufacturing possibilities. 6 dwg

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RU 2 118 211 C1

Authors

Esipov V.D.

Michurin B.V.

Kobzarev V.N.

Dates

1998-08-27—Published

1996-12-23—Filed