Device for making flowmeter tamperproof
US4811600A · kind A · utility
7Cited by
1References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 15, 1987 |
| Grant date | Mar 14, 1989 |
| Priority date | — |
| Expiry date | Apr 15, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02A20/00
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A device of the antifraud sealing cap type in the form of a unit having: a covering skirt (5) provided on the inside face of its upper edge with recesses extended downward by hooks (9) able to engage in shoulder (3) of threaded lock nut (2) provided on the body of the meter; a ring with an inside vertical lip (10) whose pin (11) projecting from the collar come to be inserted in said recesses (8); and a cover (12) whose opening and closing hinge (13) is pivoted in an opening made on the upper edge of the skirt. The device is particularly useful for antifraud covering of water meters.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.