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US4447694A
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Apparatus for breaking up metal parts
Assignee: Commissariat à l'Énergie Atomique et Aux Énergies Alternatives
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Filing: 1981-10-19
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Granted: 1984-05-08
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Expires: 2001-10-19
Abstract
Abstract An apparatus for breaking up metal parts is characterized in that it comprises at least two conductive supports connected to an electric power supply and able at least partly to support the part to be broken up. Application to the breaking up of metal parts by a thermoelectric effect.
Inventors
- 👤 Michel Brochier
- 👤 Jean Chavand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:23
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/22; B26; B26F; B26F3/00; B26F3/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
An apparatus for breaking up filiform metallic parts, comprising at least two fixed conductive supports connected to an electric power supply, each able to at least partly support parts to be broken up, the two conductive supports being constituted by two comb-like members whose teeth are respectively meshed, the teeth of the comb-like members being parallel to each other and respectively located on two planes oriented so that the two comb-like members form a funnel, and said teeth being made of graphite.
Claim 2
Independent Claim
82 words
An apparatus for breaking up filiform metallic parts, comprising at least two fixed conductive supports connected to an electric power supply, each able to at least partly support parts to be broken up, the two conductive supports being constituted by two comb-like members whose teeth are respectively meshed, the teeth of the comb-like members being parallel to each other and respectively located on two planes oriented so that the two comb-like members form a funnel, and said teeth being made of graphite.
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) | 1987-05-08 | 1987-11-07 | 1988-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-05-08 | 1991-11-07 | 1992-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-05-08 | 1995-11-07 | 1996-05-08 | $7700.00 | Window Closed / Lapsed |