US3199175A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for the continuous manufacture of zigazag-shaped strutting for lattice structures and of lightwght structures comprising such struting
Assignee: VEREINIGKE OSTERREICHISCHE EIS
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Filing: 1963-07-01
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Granted: 1965-08-10
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Expires: 1983-07-01
Abstract
No abstract record available.
Inventors
- 👤 Wogarhauer Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:03
CPC Classifications
B; B21; B21D; B21D11/00; B21D11/06; B21D11/07; B21D13/00; B21D13/04; B21F; B21F1/00; B21F1/04; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49616; Y10T29/49623; Y10T29/49625
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A METHOD FOR THE CONTINUOUS MANUFACTURE OF ZIGZAGSHAPED STRUTTING FOR LATTICE STRUCTURES FROM ELONGATED METALLIC MATERIAL SELECTED FROM STRIP AND BAR STOCK, COMPRISING PASSING SAID ELONGATED MATERIAL THROUGH BETWEEN TWO SERIES OF MESHING TRIANGULAR BENDING TOOLS OF A FORMING STATION TO FORM ZIGZAG-SHAPED STRUTTING, EACH SEREIS OF SAID TRIANGULAR BENDING TOOLS BEING MOUNTED ON A REVOLVING ENDLESS CARRYING CHAIN CONTINUOUSLY MOVED ALONG THE FORMING STATION, ONE SERIES OF BENDING TOOLS BEING STAGGERED BY HALF THE PITCH OF THE CHAINS RELATIVE TO THE OTHER SERIES SO THAT THE TOOLS MESH WHILE LEAVING A FORMING GAP AND ADDITIONALLY SHAPING SAID METALLIC MATERIAL IN PLANES EXTENDING AT RIGHT ANGLES TO THE DIRECTION OF MOVEMENT OF THE STRIP MATERIAL.
Claim 2
Independent Claim
115 words
A METHOD FOR THE CONTINUOUS MANUFACTURE OF ZIGZAGSHAPED STRUTTING FOR LATTICE STRUCTURES FROM ELONGATED METALLIC MATERIAL SELECTED FROM STRIP AND BAR STOCK, COMPRISING PASSING SAID ELONGATED MATERIAL THROUGH BETWEEN TWO SERIES OF MESHING TRIANGULAR BENDING TOOLS OF A FORMING STATION TO FORM ZIGZAG-SHAPED STRUTTING, EACH SEREIS OF SAID TRIANGULAR BENDING TOOLS BEING MOUNTED ON A REVOLVING ENDLESS CARRYING CHAIN CONTINUOUSLY MOVED ALONG THE FORMING STATION, ONE SERIES OF BENDING TOOLS BEING STAGGERED BY HALF THE PITCH OF THE CHAINS RELATIVE TO THE OTHER SERIES SO THAT THE TOOLS MESH WHILE LEAVING A FORMING GAP AND ADDITIONALLY SHAPING SAID METALLIC MATERIAL IN PLANES EXTENDING AT RIGHT ANGLES TO THE DIRECTION OF MOVEMENT OF THE STRIP MATERIAL.
References Cited (Backward Citations)
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Cited
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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) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |