Plastic slump cone
US5240225A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 15, 1991 |
| Grant date | Aug 31, 1993 |
| Priority date | — |
| Expiry date | Oct 15, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S249/04
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A plastic slump cone includes a unitary frusto-conical mold formed of a synthetic resin defining an open base at one axial end and a smaller open top at an opposite axial end for receiving a sample of freshly mixed concrete, in use. A pair of foot pieces formed of synthetic resin are secured to the mold and extend radially outwardly therefrom at the base on opposite sides thereof for holding the mold firmly in place while filling with a sample of concrete. A pair of handles formed of synthetic resin are secured to the mold and extend radially outwardly therefrom intermediate the base and the top and opposite sides thereof for lifting the mold when filled with a sample of concrete.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.