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US3167255A
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Electrostatic sprayer system having a separate high resistivity conductor
Assignee: Machines Electrostatiques SA
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Filing: 1962-05-07
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Granted: 1965-01-26
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Expires: 1982-05-07
Abstract
No abstract record available.
Inventors
- 👤 Point Marcel Auguste Roger
- 👤 Morel Roger Claudius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:56
CPC Classifications
B; B05; B05B; B05B5/00; B05B5/08; B05B5/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
AN ELECTROSTATIC SPRAY-COATING SYSTEM COMPRISING IN COMBINATION A SPRAYER UNIT HAVING REAR AND FORWARD ENDS, AN EXTERNAL SOURCE OF HIGH VOLTAGE DIRECT CURRENT, AND AN EXTERNAL SUPPLY MEANS FOR SUPPLYING A SPRAYABLE COMPOSITION, SAID SPRAYER UNIT HAVING NOZZLE MEANS INCLUDING A BODY PORTION, A CHARGING ELECTRODE AT THE FORWARD END THEREOF, CONDUIT MEANS CONNECTING THE EXTERNAL SUPPLY MEANS TO SAID NOZZLE MEANS IN A LOCATION TO DISCHARGE A SPRAY OF SYRAYABLE COMPOSITION PAST SAID ELECTRODE DURING OPERATION OF SAID SPRAYER UNIT, A SEPARATE HIGH RESISTIVITY CONDUCTOR HAVING HIGH STATIONARY EQUALLY DISTRIBUTED RESISTANCE THROUGHOUT THE ENTIRE LENGTH THEREOF CONNECTED BETWEEN SAID EXTERNAL SOURCE OF HIGH VOLTAGE DIRECT CURRENT, AND SAID ELECTRODE FOR BRINGING SAID ELECTRODE TO A HIGH DIRECT CURRENT IONIZING POTENTIAL, SAID SUPPLY MEANS AND SAID CONDUCTOR SEPARATELY CONNECTED TO SAID NOZZLE MEANS AT THE REAR END THEREOF
Claim 2
Dependent Claim
138 words
AN ELECTROSTATIC SPRAY-COATING SYSTEM COMPRISING IN COMBINATION A SPRAYER UNIT HAVING REAR AND FORWARD ENDS, AN EXTERNAL SOURCE OF HIGH VOLTAGE DIRECT CURRENT, AND AN EXTERNAL SUPPLY MEANS FOR SUPPLYING A SPRAYABLE COMPOSITION, SAID SPRAYER UNIT HAVING NOZZLE MEANS INCLUDING A BODY PORTION, A CHARGING ELECTRODE AT THE FORWARD END THEREOF, CONDUIT MEANS CONNECTING THE EXTERNAL SUPPLY MEANS TO SAID NOZZLE MEANS IN A LOCATION TO DISCHARGE A SPRAY OF SYRAYABLE COMPOSITION PAST SAID ELECTRODE DURING OPERATION OF SAID SPRAYER UNIT, A SEPARATE HIGH RESISTIVITY CONDUCTOR HAVING HIGH STATIONARY EQUALLY DISTRIBUTED RESISTANCE THROUGHOUT THE ENTIRE LENGTH THEREOF CONNECTED BETWEEN SAID EXTERNAL SOURCE OF HIGH VOLTAGE DIRECT CURRENT, AND SAID ELECTRODE FOR BRINGING SAID ELECTRODE TO A HIGH DIRECT CURRENT IONIZING POTENTIAL, SAID SUPPLY MEANS AND SAID CONDUCTOR SEPARATELY CONNECTED TO SAID NOZZLE MEANS AT THE REAR END THEREOF
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-01-26 | 1968-07-27 | 1969-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-26 | 1972-07-27 | 1973-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-26 | 1976-07-27 | 1977-01-26 | $7700.00 | Window Closed / Lapsed |