US3097742A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubrication method for hot-extrusion press
Assignee: Vodafone GmbH
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Filing: 1960-11-01
•
Granted: 1963-07-16
•
Expires: 1980-11-01
Abstract
No abstract record available.
Inventors
- 👤 Lamberty Matthias
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:41
CPC Classifications
B; B21; B21C; B21C23/00; B21C23/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
IN A METHOD FOR HOT EXTRUDING METALS WHICH ARE DIFFICULT TO DEFORM, IN WHICH A METAL BLOCK ID FORCED THROUGH A DIE BY A PLUNGER, AND THE BLOCK IS LUBRICATED DURING EXTRUSION BY A GLASS LUBRICANT, THE IMPROVEMENT WHICH COMPRISES INSERTING INTO A HEAT DESTRUCTIBLE CONTAINER, A DESIRED QUANTITY OF POWERED GLASS, PLACING SAID CONTAINER, CONTAINING THE GLASS IN POWDERED FORM, NEXT TO THE BLOCK, AND EXTRUDING SAID BLOCK BY MEANS OF SAID
Claim 2
Dependent Claim
73 words
IN A METHOD FOR HOT EXTRUDING METALS WHICH ARE DIFFICULT TO DEFORM, IN WHICH A METAL BLOCK ID FORCED THROUGH A DIE BY A PLUNGER, AND THE BLOCK IS LUBRICATED DURING EXTRUSION BY A GLASS LUBRICANT, THE IMPROVEMENT WHICH COMPRISES INSERTING INTO A HEAT DESTRUCTIBLE CONTAINER, A DESIRED QUANTITY OF POWERED GLASS, PLACING SAID CONTAINER, CONTAINING THE GLASS IN POWDERED FORM, NEXT TO THE BLOCK, AND EXTRUDING SAID BLOCK BY MEANS OF SAID
References Cited (Backward Citations)
DE703161C
Cited
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Cited
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Cited
GB699120A
Cited
GB689051A
Cited
FR1060464A
Cited
US2908587A
Cited
US2893555A
Cited
US2946437A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |