US3342415A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrostatic coating system
Assignee: Sames SA De Machines Electrost
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Filing: 1964-02-18
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Granted: 1967-09-19
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Expires: 1984-02-18
Abstract
No abstract record available.
Inventors
- 👤 Marcel A R Point
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:24
CPC Classifications
B; B05; B05B; B05B3/00; B05B3/02; B05B3/10; B05B3/1057; B05B5/00; B05B5/025; B05B5/04; B05B5/0403; B05B5/0411; B05B5/0418; B05B5/08; B05B5/12; C; C23; C23D; C23D5/00; C23D5/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
172 words
AN ELECTROSTATIC COATING SYSTEM COMPRISING, IN COMBINATION, AN OVERHEAD STORE OF COATING SUBSTANCE, A PLURALITY OF GENERALLY FLAT ROTARY DISCHARGE MEMBERS MOUNTED BELOW SAID STORE ADJACENT THE SURFACE OF THE WORK TO BE COATED IN SPACED-APART RELATIONSHIP WITH EACH OTHER, EACH OF SAID DISCHARGE MEMBERS HAVING A SHARP PERIPHERAL EDGE, MEANS DEFINING A FEED PASSAGE LEADING DOWNWARDLY FROM SAID STORE TO A POINT OVERLYING EACH OF SAID DISCHARGE MEMBERS, TO FEED THE COATING SUBSTANCE THERETO BY GRAVITY, EACH OF SAID MEMBERS HAVING AN OPEN, UNOBSTRUCTED UPPER FACE FOR RECEIVING SAID COATING SUBSTANCE FROM SAID PASSAGE DEFINING MEANS AND FOR PERMITTING THE FREE DISCHARGE AND DISPERSION OF SAID SUBSTANCE IN DIVIDED FORM BY CENTRIFUGAL FORCE FROM THE PERIPHERY OF THE CORRESPONDING MEMBER, A SOURCE OF HIGH D.C. POTENTIAL RELATIVE TO THE WORK TO BE COATED, AND MEANS FOR SUPPLYING SAID POTENTIAL TO SAID DISCHARGE MEMBERS TO ELECTRICALLY CHARGE THE PARTICLES OF SAID COATING SUBSTANCE AS THEY ARE DISCHARGED THEREFROM, TO THEREBY PRODUCE AN ELECTROSTATIC ATTRACTION BETWEEN SAID PARTICLES AND THE SURFACE BEING COATED.
Claim 2
Dependent Claim
172 words
AN ELECTROSTATIC COATING SYSTEM COMPRISING, IN COMBINATION, AN OVERHEAD STORE OF COATING SUBSTANCE, A PLURALITY OF GENERALLY FLAT ROTARY DISCHARGE MEMBERS MOUNTED BELOW SAID STORE ADJACENT THE SURFACE OF THE WORK TO BE COATED IN SPACED-APART RELATIONSHIP WITH EACH OTHER, EACH OF SAID DISCHARGE MEMBERS HAVING A SHARP PERIPHERAL EDGE, MEANS DEFINING A FEED PASSAGE LEADING DOWNWARDLY FROM SAID STORE TO A POINT OVERLYING EACH OF SAID DISCHARGE MEMBERS, TO FEED THE COATING SUBSTANCE THERETO BY GRAVITY, EACH OF SAID MEMBERS HAVING AN OPEN, UNOBSTRUCTED UPPER FACE FOR RECEIVING SAID COATING SUBSTANCE FROM SAID PASSAGE DEFINING MEANS AND FOR PERMITTING THE FREE DISCHARGE AND DISPERSION OF SAID SUBSTANCE IN DIVIDED FORM BY CENTRIFUGAL FORCE FROM THE PERIPHERY OF THE CORRESPONDING MEMBER, A SOURCE OF HIGH D.C. POTENTIAL RELATIVE TO THE WORK TO BE COATED, AND MEANS FOR SUPPLYING SAID POTENTIAL TO SAID DISCHARGE MEMBERS TO ELECTRICALLY CHARGE THE PARTICLES OF SAID COATING SUBSTANCE AS THEY ARE DISCHARGED THEREFROM, TO THEREBY PRODUCE AN ELECTROSTATIC ATTRACTION BETWEEN SAID PARTICLES AND THE SURFACE BEING COATED.
References Cited (Backward Citations)
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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) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |