Thermogravimetric instrument
US6057516A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 18, 1997 |
| Grant date | May 2, 2000 |
| Priority date | — |
| Expiry date | Jul 18, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01G7/02
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A thermogravimetric instrument for measuring variations in the weight of a sample caused by temperature variations of the sample. The instrument is equipped with a stopper mechanism for protecting the pivot to facilitate replacing a balance beam. A thermogravimetric instrument comprising: a balance beam 1 placed horizontally; a sample holder 9 located at one end of said balance beam; a torsion wire 3 mounted as a pivot and connected with the other end; a junction portion permitting a sample container side of the balance beam to be detached; and one or more stopper mechanisms using fixed stoppers 4 and metal plates 5. The stopper mechanisms limit relative movement between a supported portion of the torsion wire and the balance beam to within a prescribed amount to limit force applied to the torsion wire during detachment of the balance beam.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.