Flask sealing system and microwave treatment apparatus with such a sealing system
US5932817A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Mar 19, 1997 |
| Grant date | Aug 3, 1999 |
| Priority date | — |
| Expiry date | Mar 19, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2219/1218
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A sealing system for sealing one or more flasks (10) with a longitudinal X-X' axis, open at a first end thereof (11) for introducing a sample and positioned inside microwave apllication cavity (100) for heating the sample is described. The system of the invention comprises a cap (20) to be partially inserted in the flaask along the X-X' axis so as to close the open end thereof and retaining meaans (30) for holding the cap in a flask sealing position, wherein the portion (22) of said cap which is inserted in the flask has a peripheral skirt (23) capable of sealingly engaging the inner wall (12) of the flask under an excess pressure created therein by heating the sample with microwaves.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.