Patent US3186275A successfully refreshed from Google Patents.
US3186275A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermal expansion means for maintaining and adjusting cutter knife clearance
Assignee: West Virginia Pulp and Paper Co
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Filing: 1963-07-24
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Granted: 1965-06-01
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Expires: 1983-07-24
Abstract
No abstract record available.
Inventors
- 👤 Obenshain David Noel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:55
CPC Classifications
B; B26; B26D; B26D7/00; B26D7/26; B26D7/2628; B26D7/265; B23; B23D; B23D35/00; B23D35/005; B26D1/00; B26D1/01; B26D1/12; B26D1/25; B26D1/34; B26D1/38; B26D1/385; B26D7/08; B26D7/10; Y; Y10; Y10T; Y10T83/00; Y10T83/283; Y10T83/465; Y10T83/4766; Y10T83/4795; Y10T83/4847
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
A WEB CUTTING MACHINE COMPRISED OF A BED KNIFE, A ROTARY CUTTER DRUM, A FLY KNIFE CARRIED IN FIXED POSITION ON THE CUTTER DRUM AND COOPERATING WITH SAID BED KNIFE AT A SELECTED CLEARANCE THEREFROM TO SEVER A TRAVELING WEB PASSING BETWEEN SAID BED KNIFE AND SAID FLY KNIFE, JOURNALS UPON WHICH SAID DRUM IS CARRIED, AND PEDESTALS SUPPORTING SAID JOURNALS; CHARACTERIZED IN THAT HEATING MEANS ARE MOUNTED ON SAID PEDESTALS FOR HEATING SAID PEDESTALS ABOVE THE NORMAL MAXIMUM TEMPERATURE OF THE PEDESTALS ATTAINED DURING RUNNING OF THE MACHINE, TEMPERATURE SENSING MEANS ARE MOUNTED ON SAID PEDESTALS FOR MEASURING THE TEMPERATURE OF THE PEDESTALS, AND CONTROL MEANS ARE ASSOCIATED WITH THE HEATING MEANS AND TEMPERATURE SENSING MEANS FOR ACTIVATING SAID HEATING MEANS IN RESPONSE TO TEMPERATURE CHANGES OF THE PEDESTALS
Claim 2
Dependent Claim
130 words
A WEB CUTTING MACHINE COMPRISED OF A BED KNIFE, A ROTARY CUTTER DRUM, A FLY KNIFE CARRIED IN FIXED POSITION ON THE CUTTER DRUM AND COOPERATING WITH SAID BED KNIFE AT A SELECTED CLEARANCE THEREFROM TO SEVER A TRAVELING WEB PASSING BETWEEN SAID BED KNIFE AND SAID FLY KNIFE, JOURNALS UPON WHICH SAID DRUM IS CARRIED, AND PEDESTALS SUPPORTING SAID JOURNALS; CHARACTERIZED IN THAT HEATING MEANS ARE MOUNTED ON SAID PEDESTALS FOR HEATING SAID PEDESTALS ABOVE THE NORMAL MAXIMUM TEMPERATURE OF THE PEDESTALS ATTAINED DURING RUNNING OF THE MACHINE, TEMPERATURE SENSING MEANS ARE MOUNTED ON SAID PEDESTALS FOR MEASURING THE TEMPERATURE OF THE PEDESTALS, AND CONTROL MEANS ARE ASSOCIATED WITH THE HEATING MEANS AND TEMPERATURE SENSING MEANS FOR ACTIVATING SAID HEATING MEANS IN RESPONSE TO TEMPERATURE CHANGES OF THE PEDESTALS
References Cited (Backward Citations)
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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) | 1968-05-31 | 1968-11-30 | 1969-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-31 | 1972-11-30 | 1973-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-31 | 1976-11-30 | 1977-06-01 | $7700.00 | Window Closed / Lapsed |