One-piece shotshell
US4332766A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 1, 1980 |
| Grant date | Jun 1, 1982 |
| Priority date | — |
| Expiry date | Feb 1, 2000 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C57/00
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A single piece plastic shotshell comprising a tube of high density polyethylene which is uniformly biaxially oriented to a substantial degree throughout its length and has side walls of constant internal diameter, thickness, molecular orientation and physical strength, the tube having a substantially thickened integral transverse base section formed of a compressed length of the tube at one of its end portions with a longitudinally extending primer opening therein, the base section being substantially biaxially oriented and telescoped within said end portion of the tube. Apparatus and methods for making the shotshell are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.