Amusement devices: games – Aerial projectile game; game element or accessory therefor... – Target
Patent
1989-04-24
1991-12-24
Coven, Edward M.
Amusement devices: games
Aerial projectile game; game element or accessory therefor...
Target
273 80R, 273 72A, 72367, 148 115F, A63B 5312, B21D 300
Patent
active
050745557
ABSTRACT:
A tapered wall shaft with a reinforced tip includes a rear portion, a front portion and an interconnecting portion. The interconnecting portion has a smoothly decreasing outer diameter and a smoothly increasing wall thickness. The tapered wall shaft with a reinforced tip is formed by a rotary swaging operation, a sink drawing operation and a rotary swaging operation.
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Coven Edward M.
Passaniti Sebastiano
Sandvik Special Metals Corp.
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