Penetrator

US5133262A · kind A · utility

Assignees

• Rheinmetall GmbH · DE
• L'Etat Francais, represente par le Delegue Ministeriel pour l'Armement · FR

Inventors

• Henning Schaake · Cologne, DE
• Jurgen Bocker · Oberhausen, DE
• Wilfried Becker · Düsseldorf, DE
• Jurgen Winkelmann · Meerbusch, DE
• Marc Berville · Vierzon, FR
• Joel Leblond · Bourges, FR
• Patrick Montier · Bourges, FR
• Jean-Claude Sauvestre · Bourges, FR

Key dates

• Filing date: Jul 15, 1988
• Grant date: Jul 28, 1992
• Expiry date: Jul 15, 2008

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F42B12/06
• WIPO field: Other special machines
• WIPO sector: Mechanical engineering

Abstract

A subcaliber projectile including a penetrator preferably made of tungsten eavy metal, and having a penetrator tip section and a section following thereafter and extending over the major portion of the penetrator length which is provided with an external thread (helical groove) or circumferential annular grooves to provide a form-locking connection with a discardable propelling cage sabot. To realize improved piercing power for the penetrator, the form-locking region is composed of annular grooves without a pitch, or of a fine metric thread having a thread valley, with a width of approximately one to three times the base width of the groove defining wall or of a thread peak. Preferably a more brittle material is employed in the front penetrator region than in the tail region, and a further indentation structure is incorporated in the first frontal thread turns or grooves of the form-locking region.