Sealing pressing head for conventional triaxial test of cuboid rocks with pre-existing fissures, and test method
US11085860B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 20, 2018 |
| Grant date | Aug 10, 2021 |
| Priority date | — |
| Expiry date | Jun 6, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2203/0256
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A sealing pressing head for a conventional triaxial test of cuboid rocks with pre-existing fissures, and a test method, the sealing pressing head comprising an upper pressing head (14) and a lower pressing head (15); the upper pressing head (14) and the lower pressing head (15) are respectively used for being provided at upper and lower ends of a test sample (10); the upper pressing head (14) comprises a circular portion (2) and a square portion (1) which are provided in sequence from top to bottom; and the lower pressing head (15) comprises a square portion (1), a circular portion (2) and a threaded portion (3) which are provided in sequence from top to bottom.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.