Motar mixing drum
USRE34505E · kind E · reissue
Inventor
Key dates
| Filing date | Sep 9, 1991 |
| Grant date | Jan 11, 1994 |
| Priority date | — |
| Expiry date | Sep 9, 2011 |
Classification
- Technology area (CPC —)General
Abstract
A horizontally oriented mortar mixing drum 11 fabricated of polyethylene material having an elemental cylindrical segment opening through which mortar materials to be mixed may be deposited into or poured from. A perimeter frame having base elemental frame member 15, diametric wall frame members 16 and polyethylene grate 20 is provided for enhancing resistance to torsional stress on drum 11. Wear resistant liner 12 and side panels 13 and 14 cover the interior surface of drum 11. Paddle shaft 18 is rotatably and axially supported within drum 11 and has paddle stubs 28 attached to and extending radially therefrom. Polyethylene mixing paddles 19 are sleeved onto paddle stubs 28 to complete improved mortar mixing drum assembly 10.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.