Apparatus for drawing metal wire and the like and the method thereof
Abstract
Abstract AN APPARATUS AND METHOD FOR DRAWING CONTINUOUSLY MOVING ALUMINUM WIRE. THE APPARATUS INCLUDES ONE OR MORE DRAWING MACHINES HAVING A HOUSING THAT FORMS A DRAWING CHAMBER AND A RESERVOIR FOR LIQUID DRAWING LUBIRCANT. DRAWING DIES ARE MOUNTED WITHIN THE DRAWING CHAMBER IN COAXIAL RELATIONSHIP WITH RESPECT TO THE MOVING WIRE, AND AT LEST AN UPPER AND A LOWER TIER OF DRAW ING BLOCKS DIRECT AND PULL THE MOVING WIRE THROUGH THE DIES. THE LEVEL OF THE DRAWING LUBRICANT IN THE RESERVOIR IS MAINTAINED OBOVE A PREDETERMINED LEVEL SO THAT THE LIQUID LUBRICANT WETS AT LEAST ONE OF THE DRAWING BLOCKS OF THE LOWER TIER THEREBY TO CAUSE THE LIQUID LUBRICANT TO BE SPRAYED AND COOLED BY THE DRAWING BLOCK OR BLOCKS OF THE LOWER TIER. THE DRAWING MACHINE IS CONNECTED IN A CLOSED FLOW LOOP WHICH INCLUDES A STORAGE TANK, A PUMP, A LUBRICANT COOLER AND CONTROL VALVE.
Inventors
- 👤 Frank B Kilcoin
Bibliographic Details
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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) | 1974-09-19 | 1975-03-21 | 1975-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-19 | 1979-03-21 | 1979-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-19 | 1983-03-21 | 1983-09-20 | $7700.00 | Window Closed / Lapsed |