US3175300A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanism for controlling the heating of corrugated board by injection of an air film between the board and heating surface
Assignee: Beazer East Inc
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Filing: 1962-03-12
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Granted: 1965-03-30
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Expires: 1982-03-12
Abstract
No abstract record available.
Inventors
- 👤 Charles D Nitchie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:30
CPC Classifications
D; D21; D21F; D21F5/00; D21F5/004; B; B31; B31F; B31F1/00; B31F1/20; B31F1/24; B31F1/26; B31F1/28; B31F1/2845; B31F1/285; D21J; D21J1/00; D21J1/16; Y; Y10; Y10T; Y10T156/00; Y10T156/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
160 words
A MECHANISM FOR HEATING FREELY GLUED WEBS THAT HAVE BEEN COMBINED IN A UNITARY CORRUGATED BOARD ASSEMBLY COMPRISING: A LONGITUDINALLY EXTENDING WALL HAVING A SUBSTANTIALLY FLAT AND SMOOTH EXTERIOR SURFACE FOR TRANSFERRING HEAT TO SAID BOARD; MEANS FOR SUPPLYING HEAT ENERGY AT CONSTANT TEMPERATURE TO THE INTERIOR SURFACE OF SAID WALL FOR TRANSFER THROUGH SAID EXTERIOR SURFACE TO SAID BOARD; MEANS FOR MOVING SAID BOARD PAST SAID EXTERIOR SURFACE INCLUDING MEANS FOR SIMULTANEOUSLY APPLYING PRESSURE TO SAID ASSEMBLY SO THAT THE HEAT SETS THE GLUE TO MAINTAIN THE ASSEMBLY; CONTROL MEANS FOR INTRODUCING AIR UNDER GREATER THAN ATMOSPHERIC PRESSURE BETWEEN SAID BOARD AND SAID EXTERIOR SURFACE TO CREATE A FILM OF AIR BETWEEN SAID EXTERIOR SURFACE AND THE PORTION OF SAID BOARD IN JUXTAPOSITION THEREWITH; AND A DETECTOR COMPRISING A PYROMETER FOR DIRECTLY MEASURING THE TEMPERATURE OF SAID BOARD AND ACTUATING SAID CONTROL MEANS TO CONTROL THE RATE OF TRANSFER OF HEAT ENERGY FROM SAID EXTERIOR SURFACE OF SAID BOARD.
Claim 2
Dependent Claim
160 words
A MECHANISM FOR HEATING FREELY GLUED WEBS THAT HAVE BEEN COMBINED IN A UNITARY CORRUGATED BOARD ASSEMBLY COMPRISING: A LONGITUDINALLY EXTENDING WALL HAVING A SUBSTANTIALLY FLAT AND SMOOTH EXTERIOR SURFACE FOR TRANSFERRING HEAT TO SAID BOARD; MEANS FOR SUPPLYING HEAT ENERGY AT CONSTANT TEMPERATURE TO THE INTERIOR SURFACE OF SAID WALL FOR TRANSFER THROUGH SAID EXTERIOR SURFACE TO SAID BOARD; MEANS FOR MOVING SAID BOARD PAST SAID EXTERIOR SURFACE INCLUDING MEANS FOR SIMULTANEOUSLY APPLYING PRESSURE TO SAID ASSEMBLY SO THAT THE HEAT SETS THE GLUE TO MAINTAIN THE ASSEMBLY; CONTROL MEANS FOR INTRODUCING AIR UNDER GREATER THAN ATMOSPHERIC PRESSURE BETWEEN SAID BOARD AND SAID EXTERIOR SURFACE TO CREATE A FILM OF AIR BETWEEN SAID EXTERIOR SURFACE AND THE PORTION OF SAID BOARD IN JUXTAPOSITION THEREWITH; AND A DETECTOR COMPRISING A PYROMETER FOR DIRECTLY MEASURING THE TEMPERATURE OF SAID BOARD AND ACTUATING SAID CONTROL MEANS TO CONTROL THE RATE OF TRANSFER OF HEAT ENERGY FROM SAID EXTERIOR SURFACE OF SAID BOARD.
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) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |