Patent US3086509A successfully refreshed from Google Patents.
US3086509A
Expired / Lapsed
US
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Machine for cutting vitrified clay pipe
Assignee: American Vitrified Products Co
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Filing: 1961-12-22
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Granted: 1963-04-23
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Expires: 1981-12-22
Abstract
No abstract record available.
Inventors
- 👤 Paul E Henley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:50
CPC Classifications
B; B28; B28D; B28D1/00; B28D1/22; B28D1/227; Y; Y10; Y10S; Y10S425/00; Y10S425/218; Y10T; Y10T82/00; Y10T82/16; Y10T82/16426; Y10T82/16639
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
173 words
A CUT-OFF MACHINE FOR CROPPING DEFECTIVE SPIGOT ENDS OF CLAY PIPES AND COMPRISING: PIPE SUPPORTING MEANS ADAPTED FOR SUPPORTING A LENGTH OF CLAY PIPE FOR ROTATION ABOUT A PREDETERMINED AXIS COINCIDENT WITH THE AXIS OF THE NORMAL PORTION OF THE PIPE, EXTERNAL ROTATABLE CUTTER MEANS FOR ENGAGING AND CUTTING AN EXTERNAL PERIPHERALLY EXTENDING KERF IN THE PIPE FROM THE EXTERIOR OF THE PIPE INWARDLY DURING ROTATION OF THE PIPE ABOUT SAID PREDETERMINED AXIS, INTERNAL ROTATABLE CUTTER MEANS FOR ENGAGING AND CUTTING AN INTERNAL PERIPHERALLY EXTENDING KERF IN THE PIPE FROM THE INTERIOR OF THE PIPE OUTWARDLY DURING SAID ROTATION, SUPPORTING MEANS FOR THE CUTTER MEANS AND SUPPORTING THE CUTTER MEANS FOR MOVEMENT RELATIVE TO EACH OTHER IN A DIRECTION ENDWISE OF SAID PREDETERMINED AXIS INTO A CROPPING POSITION WHEREIN THEY CAN CUT KERFS IN A COMMON PLANE NORMAL TO SAID PREDETERMINED AXIS, AND FOR MOVEMENT TRANSVERSELY OF SAID PREDETERMINED AXIS AND RELATIVELY TOWARD EACH OTHER WHILE IN SAID LOCATION, AND CUTTER APPLYING POWER MEANS FOR EFFECTING THE TRANSVERSE MOVEMENT OF THE CUTTER MEANS.
Claim 2
Dependent Claim
173 words
A CUT-OFF MACHINE FOR CROPPING DEFECTIVE SPIGOT ENDS OF CLAY PIPES AND COMPRISING: PIPE SUPPORTING MEANS ADAPTED FOR SUPPORTING A LENGTH OF CLAY PIPE FOR ROTATION ABOUT A PREDETERMINED AXIS COINCIDENT WITH THE AXIS OF THE NORMAL PORTION OF THE PIPE, EXTERNAL ROTATABLE CUTTER MEANS FOR ENGAGING AND CUTTING AN EXTERNAL PERIPHERALLY EXTENDING KERF IN THE PIPE FROM THE EXTERIOR OF THE PIPE INWARDLY DURING ROTATION OF THE PIPE ABOUT SAID PREDETERMINED AXIS, INTERNAL ROTATABLE CUTTER MEANS FOR ENGAGING AND CUTTING AN INTERNAL PERIPHERALLY EXTENDING KERF IN THE PIPE FROM THE INTERIOR OF THE PIPE OUTWARDLY DURING SAID ROTATION, SUPPORTING MEANS FOR THE CUTTER MEANS AND SUPPORTING THE CUTTER MEANS FOR MOVEMENT RELATIVE TO EACH OTHER IN A DIRECTION ENDWISE OF SAID PREDETERMINED AXIS INTO A CROPPING POSITION WHEREIN THEY CAN CUT KERFS IN A COMMON PLANE NORMAL TO SAID PREDETERMINED AXIS, AND FOR MOVEMENT TRANSVERSELY OF SAID PREDETERMINED AXIS AND RELATIVELY TOWARD EACH OTHER WHILE IN SAID LOCATION, AND CUTTER APPLYING POWER MEANS FOR EFFECTING THE TRANSVERSE MOVEMENT OF THE CUTTER MEANS.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |