US3263670A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wafering machine
Assignee: Saint Gobain Abrasives Inc
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Filing: 1964-11-19
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Granted: 1966-08-02
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Expires: 1984-11-19
Abstract
No abstract record available.
Inventors
- 👤 Thomas D Bushman
- 👤 George J Seymour
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:24
CPC Classifications
B; B28; B28D; B28D5/00; B28D5/04; B28D5/042; Y; Y10; Y10T; Y10T83/00; Y10T83/929; Y10T83/9411; Y10T83/9447
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
230 words
AN INTEGRATED REVERSIBLE BLADE PACKAGE FOR MOUNTING UNDER TENSION IN A MULTIPLE BLADE WAFERING MACHINE COMPRISING A PLURALITY OF RELATIVELY WIDE FLAT THIN SPACER ELEMENTS OF EQUAL UNIFORM THICKNESS ARRAYED IN EQUAL FIRST AND SECOND SPACED PARALLEL SERIES, AND A MULTIPLICITY OF RELATIVELY NARROW ELONGATED BLADES OF THIN FLAT STRIP MATERIAL OF CONSTANT THICKNESS AND WITH OPPOSED PARALLEL LONGITUDINAL WORKING EDGES ARRAYED PERPENDICULAR TO AND WITH ONE LONGITUDINAL EDGE OF EACH BLADE INTERSECTING A REFERENCE PLANE, EACH BLADE HAVING ONE END DISPOSED BETWEEN AND BONDED TO ADJACENT SPACER ELEMENTS OF THE FIRST SERIES AND THE OTHER END DISPOSED BETWEEN AND BONDED TO ADJACENT SPACER ELEMENTS OF THE SECOND SERIES SO THAT THE RESPECTIVE OPPOSITE EDGES OF SAID SPACER ELEMENTS PROJECT BEYOND THE RESPECTIVE LONGITUDINAL EDGES OF SAID ELONGATED BLADES. THE WIDTH OF SAID BLADES BETWEEN THE LONGITUDINAL EDGES THEREOF BEING SELECTED IN RELATION TO THE BLADE MATERIAL, THE BLADE THICKNESS AND THE TENSION LOAD TO BE APPLIED TO THE BLADES IN A WAFERING MACHINE SO THAT WITH SUBSTANTIALLY ONE THIRD OF THE BLADE WIDTH WORN AWAY FROM ONE LONGITUDINAL EDGE OF EACH BLADE AND SUBSTANTIALLY ONE THIRD OF THE BLADE WIDTH WORN AWAY FROM THE OTHER LONGITUDINAL EDGE OF EACH BLADE THE REMAINING REDUCED CROSS-SECTION AREA OF EACH BLADE IS SUFFICIENT TO WITHSTAND THE TENSION LOAD APPLIED TO EACH BLADE OF SAID BLADE PACKAGE BY A MULTIPLE BLADE WAFERING MACHINE.
Claim 2
Dependent Claim
230 words
AN INTEGRATED REVERSIBLE BLADE PACKAGE FOR MOUNTING UNDER TENSION IN A MULTIPLE BLADE WAFERING MACHINE COMPRISING A PLURALITY OF RELATIVELY WIDE FLAT THIN SPACER ELEMENTS OF EQUAL UNIFORM THICKNESS ARRAYED IN EQUAL FIRST AND SECOND SPACED PARALLEL SERIES, AND A MULTIPLICITY OF RELATIVELY NARROW ELONGATED BLADES OF THIN FLAT STRIP MATERIAL OF CONSTANT THICKNESS AND WITH OPPOSED PARALLEL LONGITUDINAL WORKING EDGES ARRAYED PERPENDICULAR TO AND WITH ONE LONGITUDINAL EDGE OF EACH BLADE INTERSECTING A REFERENCE PLANE, EACH BLADE HAVING ONE END DISPOSED BETWEEN AND BONDED TO ADJACENT SPACER ELEMENTS OF THE FIRST SERIES AND THE OTHER END DISPOSED BETWEEN AND BONDED TO ADJACENT SPACER ELEMENTS OF THE SECOND SERIES SO THAT THE RESPECTIVE OPPOSITE EDGES OF SAID SPACER ELEMENTS PROJECT BEYOND THE RESPECTIVE LONGITUDINAL EDGES OF SAID ELONGATED BLADES. THE WIDTH OF SAID BLADES BETWEEN THE LONGITUDINAL EDGES THEREOF BEING SELECTED IN RELATION TO THE BLADE MATERIAL, THE BLADE THICKNESS AND THE TENSION LOAD TO BE APPLIED TO THE BLADES IN A WAFERING MACHINE SO THAT WITH SUBSTANTIALLY ONE THIRD OF THE BLADE WIDTH WORN AWAY FROM ONE LONGITUDINAL EDGE OF EACH BLADE AND SUBSTANTIALLY ONE THIRD OF THE BLADE WIDTH WORN AWAY FROM THE OTHER LONGITUDINAL EDGE OF EACH BLADE THE REMAINING REDUCED CROSS-SECTION AREA OF EACH BLADE IS SUFFICIENT TO WITHSTAND THE TENSION LOAD APPLIED TO EACH BLADE OF SAID BLADE PACKAGE BY A MULTIPLE BLADE WAFERING MACHINE.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |