Industrial shotshell having a load-stabilizing assembly
US4864934A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Dec 12, 1988 |
| Grant date | Sep 12, 1989 |
| Priority date | — |
| Expiry date | Dec 12, 2008 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF42B7/08
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An industrial shotshell has a load, such as an iron slug, assembled with a press-fitted, wad column-containing outer cup and housed with the cup in its shell. The outer cup encloses a wad column and, when pressed fitted onto a larger diameter rearward portion of the slug, seals the gases and supports the wad column during slug setback. A concavity formed in the interior of the base end of the outer cup provides empty space into which the wad column can compress during slug setback. The outer cup holds the wad column to the slug and remains attached thereto during flight, adding a degree of drag stabilization for improved accuracy of the slug and helping to stabilize the slug by changing its center of gravity. An obturating cup is formed integral at the rearward exterior of the base end of the outer cup.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.