Patent US3148647A successfully refreshed from Google Patents.
US3148647A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tube-forming machine
Assignee: Tex Tube Inc
•
Filing: 1962-01-25
•
Granted: 1964-09-15
•
Expires: 1982-01-25
Abstract
No abstract record available.
Inventors
- 👤 Kenneth C Woolley
- 👤 Irvin W Shaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:35
CPC Classifications
B; B23; B23K; B23K37/00; B23K37/08; B21; B21C; B21C37/00; B21C37/06; B21C37/08; B21C37/0807; B21C37/0811; B23D; B23D79/00; B23D79/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
212 words
IN A TUBE-FORMING MACHINE HAVING A PLURALITY OF ROLLERS FOR SHAPING A CONTINUOUS STRIP OF METAL INTO TUBULAR FORM AND A WELDER FOR WELDING THE SEAM IN THE TUBE, A SUPPORT SHAFT EXTENDING LONGITUDINALLY ALONG THE INTERIOR OF THE TUBE BEING FORMED, A ROLLER SUPPORT SECURED TO ONE END OF SAID SHAFT, A PAIR OF ROLLERS MOUNTED ON SAID SUPPORT FOR ENGAGING OPPOSITE SIDES OF THE INTERIOR WALL OF THE TUBING BEING FORMED, A TUBULAR SHAFT CONCENTRIC WITH AND ROTATABLY MOUNTED ON SAID SUPPORT SHAFT, MEANS FOR ROTATING SAID TUBULAR SHAFT, A ROTARY CUTTER MOUNTED ON SAID TUBULAR SHAFT CLOSELY ADJACENT SAID ROLLER SUPPORT AND HAVING MEANS FOR REMOVING FLASH FROM THE INTERIOR OF THE TUBE AND BREAKING THE FLASH INTO CHIPS, AND MEANS BETWEEN THE CUTTER AND SHAFT ROTATING MEANS ENGAGING SAID TUBULAR SHAFT AND POSITIONING THE PERIPHERY OF THE ROTARY CUTTER FOR ROTATION IN AN ARC WHICH PASSES THROUGH THE FLASH ON THE INSIDE OF THE TUBE BEING FORMED, SAID ROLLERS AND CUTTER POSITIONED TO DEFINE A CYLINDER WITH AT LEAST A PORTION OF EACH ROLLER LOCATED IMMEDIATELY ADJACENT A DIAMETRAL PLANE OF THE CYLINDER WHICH IS 90* AWAY FROM THE POINT ON THE CUTTER WHICH DEFINES THE CYLINDER AND ON THE OPPOSITE SIDE OF THE PLANE FROM THE CUTTER.
Claim 2
Dependent Claim
212 words
IN A TUBE-FORMING MACHINE HAVING A PLURALITY OF ROLLERS FOR SHAPING A CONTINUOUS STRIP OF METAL INTO TUBULAR FORM AND A WELDER FOR WELDING THE SEAM IN THE TUBE, A SUPPORT SHAFT EXTENDING LONGITUDINALLY ALONG THE INTERIOR OF THE TUBE BEING FORMED, A ROLLER SUPPORT SECURED TO ONE END OF SAID SHAFT, A PAIR OF ROLLERS MOUNTED ON SAID SUPPORT FOR ENGAGING OPPOSITE SIDES OF THE INTERIOR WALL OF THE TUBING BEING FORMED, A TUBULAR SHAFT CONCENTRIC WITH AND ROTATABLY MOUNTED ON SAID SUPPORT SHAFT, MEANS FOR ROTATING SAID TUBULAR SHAFT, A ROTARY CUTTER MOUNTED ON SAID TUBULAR SHAFT CLOSELY ADJACENT SAID ROLLER SUPPORT AND HAVING MEANS FOR REMOVING FLASH FROM THE INTERIOR OF THE TUBE AND BREAKING THE FLASH INTO CHIPS, AND MEANS BETWEEN THE CUTTER AND SHAFT ROTATING MEANS ENGAGING SAID TUBULAR SHAFT AND POSITIONING THE PERIPHERY OF THE ROTARY CUTTER FOR ROTATION IN AN ARC WHICH PASSES THROUGH THE FLASH ON THE INSIDE OF THE TUBE BEING FORMED, SAID ROLLERS AND CUTTER POSITIONED TO DEFINE A CYLINDER WITH AT LEAST A PORTION OF EACH ROLLER LOCATED IMMEDIATELY ADJACENT A DIAMETRAL PLANE OF THE CYLINDER WHICH IS 90* AWAY FROM THE POINT ON THE CUTTER WHICH DEFINES THE CYLINDER AND ON THE OPPOSITE SIDE OF THE PLANE FROM THE CUTTER.
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) | 1967-09-15 | 1968-03-16 | 1968-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-15 | 1972-03-16 | 1972-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-15 | 1976-03-16 | 1976-09-15 | $7700.00 | Window Closed / Lapsed |