Waterproof housing assembly for geophones
US4438292A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Aug 25, 1982 |
| Grant date | Mar 20, 1984 |
| Priority date | — |
| Expiry date | Aug 25, 2002 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01V1/181
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A waterproof housing assembly for a geophone is disclosed that includes a housing having an elongated cavity. A geophone is mounted in the bottom portion of the cavity. A two conductor takeout cable extends into the cavity that has a first section where the outer sheath and insulation are stripped from the two conductors part of the way back from the end. A second section of the cable adjacent the first has the outer sheath removed from the insulated conductors. A body of elastomeric material is located in the cavity. It has a first pair of spaced openings through which the uninsulated first section of the cable extends to be connected to the geophone, a second pair of spaced openings connected to the first pair in which the second section of the cable is located, and a single opening connected to the second pair in which a portion of the sheathed cable is located. Means are provided to compress the body of elastomeric material into sealing engagement with the housing and with the uninsulated conductors, the insulated conductors, and the outer sheath of the cable to prevent water from entering the portion of the housing containing the geophone even if the outer sheath and the insul…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.