Patent US3393659A successfully refreshed from Google Patents.
US3393659A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solder coating apparatus
Assignee: Varo Inc
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Filing: 1966-02-07
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Granted: 1968-07-23
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Expires: 1986-02-07
Abstract
No abstract record available.
Inventors
- 👤 Jr William J Holt
- 👤 John L Dexter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:34
CPC Classifications
B; B23; B23K; B23K3/00; B23K3/06; B23K3/0646; B23K3/0669; H; H01; H01R; H01R43/00; H01R43/02; H01R43/0235; H05; H05K; H05K13/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
212 words
IN AN APPARATUS TO APPLY A COATING TO AN OBJECT, FOR EXAMPLE TO APPLY A COATING OF SOLDER TO A CIRCUIT BOARD, THE COMBINATION OF: AN UPRIGHT AXIALLY MOVABLE SHAFT; A BOOM MOUNTED ON SAID SHAFT; A HOLDER ON THE BOOM FOR THE OBJECT TO BE COATED; MEANS TO PROVIDE A BATH OF COATING MATERIAL; MEANS TO ROTATE THE SHAFT TO MOVE THE BOOM TO A FIRST LOADING STATION AND A SECOND DIPPING STATION AT THE BATH OF COATING MATERIAL; MEANS TO LOWER AND RAISE THE SHAFT AXIALLY FOR BRIEFLY IMERSING THE OBJECT IN THE COATING BATH; SAID ROTATING MEANS ROTATING THE BOOM ABOUT AN AXIS SPACED FROM THE HOLDER TO SPIN THE HOLDER IN A CIRCULAR ORBIT TO SUBJECT THE OBJECT TO CENTRIFUGAL FORCE ACROSS THE SURFACE OF THE OBJECT TO CENTRIFUGAL FORCE THE OBJECT TO THE OUTER END OF THE OBJECT TO REMOVE SURPLUS COATING MATERIAL FROM THE OBJECT; SAID MEANS FOR ROTATING THE SHAFT COMPRISING A LOW SPEED DRIVING MEANS AND A HIGH SPEED DRIVING MEANS FOR SELECTIVELY DRIVING THE SHAFT WHEREBY THE LOW SPEED DRIVING MEANS MAY BE USED TO POSITION THE BOOM AT THE TWO STATIONS SELECTIVELY AND THE HIGH SPEED DRIVING MEANS MAY BE USED TO SPIN THE BOOM; AND BRAKING MEANS TO DECELERATE THE SHAFT.
Claim 2
Dependent Claim
212 words
IN AN APPARATUS TO APPLY A COATING TO AN OBJECT, FOR EXAMPLE TO APPLY A COATING OF SOLDER TO A CIRCUIT BOARD, THE COMBINATION OF: AN UPRIGHT AXIALLY MOVABLE SHAFT; A BOOM MOUNTED ON SAID SHAFT; A HOLDER ON THE BOOM FOR THE OBJECT TO BE COATED; MEANS TO PROVIDE A BATH OF COATING MATERIAL; MEANS TO ROTATE THE SHAFT TO MOVE THE BOOM TO A FIRST LOADING STATION AND A SECOND DIPPING STATION AT THE BATH OF COATING MATERIAL; MEANS TO LOWER AND RAISE THE SHAFT AXIALLY FOR BRIEFLY IMERSING THE OBJECT IN THE COATING BATH; SAID ROTATING MEANS ROTATING THE BOOM ABOUT AN AXIS SPACED FROM THE HOLDER TO SPIN THE HOLDER IN A CIRCULAR ORBIT TO SUBJECT THE OBJECT TO CENTRIFUGAL FORCE ACROSS THE SURFACE OF THE OBJECT TO CENTRIFUGAL FORCE THE OBJECT TO THE OUTER END OF THE OBJECT TO REMOVE SURPLUS COATING MATERIAL FROM THE OBJECT; SAID MEANS FOR ROTATING THE SHAFT COMPRISING A LOW SPEED DRIVING MEANS AND A HIGH SPEED DRIVING MEANS FOR SELECTIVELY DRIVING THE SHAFT WHEREBY THE LOW SPEED DRIVING MEANS MAY BE USED TO POSITION THE BOOM AT THE TWO STATIONS SELECTIVELY AND THE HIGH SPEED DRIVING MEANS MAY BE USED TO SPIN THE BOOM; AND BRAKING MEANS TO DECELERATE THE SHAFT.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-23 | 1972-01-22 | 1972-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-23 | 1976-01-22 | 1976-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-23 | 1980-01-22 | 1980-07-23 | $7700.00 | Window Closed / Lapsed |