Amp-guard
US3999451A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Aug 21, 1975 |
| Grant date | Dec 28, 1976 |
| Priority date | — |
| Expiry date | Aug 21, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T225/30
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A novel protective hand tool for the manual or digital breaking of glass-sealed ampules of medication and other liquid or dry materials comprising two oppositely facing cylindrical members having a common longitudinal axis, each open at its outer end, each having a closed end, said closed ends being joined and separated by an intervening web of material, the walls of each said cylinder being composed of and having a thickness such that said walls are inwardly eliptically digitally deformable and recoverable to its original cylindrical form upon release of digital pressure, said cylinders being of differing diameters, each of said cylinders having a length adapted to receive the upper portion only of an ampule to be broken whereby the lower portion of said ampule projects beyond the end of said cylinder, each of said cylinders being of a diameter adapted to loosely receive said upper portion of said ampule whereby said walls can be externally eliptically digitally deformed against said upper portion of said ampule to hold said upper portion while said lower portion of said ampule is digitally held by the other hand so that said upper and lower portions can be broken and separated by…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.