Shot shell construction

• US 3,127,837 A
• Filed: 04/27/1961
• Issued: 04/07/1964
• Est. Priority Date: 04/27/1961
• Status: Expired due to Term

• Current Assignee: Harry A. Lockwood
• Original Assignee: Harry A. Lockwood
• Inventors: Lockwood, Harry A.
• Application Number:
  US04/105,948
• Time in Patent Office: 1,076 Days
• US Class Current: 102/461
• CPC Class Codes: F42B 7/08 Wads, i.e. projectile or shot carrying devices, therefor
• CPC Class Codes: F42B 7/12 Cartridge top closures, i.e. for the missile side closures for blasting cartridges F42B3/24

Claims

1. A GUN SHELL COMPRISING, IN COMBINATION:

(A) A SHELL CASE, (B) A MULTI-SHOT PROJECTILE MEANS IN THE NOSE OF THE SHELL CASE, (C) A BOX-LIKE FORCE-ABSORBING WAD IN THE CASE, DISPOSED BEHIND THE PROJECTILE MEANS, SAID WAD COMPRISING;

(1) A ROUND, HOLLOW, FLEXIBLE AND RESILIENT TUBULAR ONE-PIECE PREFORMED PLASTIC STRUCTURE HAVING CLOSED ENDS INCLUDING SPACED-APART SUBSTANTIALLY PARALLEL END WALLS AND HAVING AN ANNULAR SOLID AND IMPERFORATE SIDE WALL EXTENDING BETWEEN AND JOINING THE END WALLS, (2) SAID ANNULAR SIDE WALL HAVING A PREFORMED GROOVED FORMATION COMPRISING AT LEAST ONE DEEP, CIRCULARLY-EXTENDING ANNULAR PERMANENTLY FORMED GROOVED CHARACTERIZED BY A RELATIVELY WIDE MOUTH PORTION WITH RESPECT TO THE LENGTH OF THE TUBULAR STRUCTURE, (3) ALL CORRESPONDING, CIRCUMFERENTIALLY SPACED PORTIONS OF THE GROOVE BEING EQUI-SPACED FROM AN END WALL, AND (D)A POWDER CHARGE DISPOSED BEHIND THE FORCE-ABSORBING WAD, (E) THE PREFORMED GROOVED FORMATION IN THE ANNULAR SIDE WALL FACILITATING READY, UNIFORM AXIAL COLLAPSE OF THE WAD UPON IGNITION OF THE POWDER CHARGE SO AS INSTANTLY TO SMOOTH THE EXPLOSIVE FORCE.