US3282764A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method for producing corrugated paperboard
Assignee: Samuel M Langston Co
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Filing: 1963-08-16
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Granted: 1966-11-01
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Expires: 1983-08-16
Abstract
No abstract record available.
Inventors
- 👤 Walter J Goettsch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:31
CPC Classifications
B; B31; B31F; B31F1/00; B31F1/20; B31F1/24; B31F1/26; B31F1/28; B31F1/2813; Y; Y10; Y10T; Y10T156/00; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1722; Y10T156/1724
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
124 words
IN A METHOD OF OPERATING APPARATUS FOR PROCESSING PAPERBOARD COMPRISING THE STEPS OF POSITIVELY FEEDING AND METERING WEB COMPONENTS TO A DOUBLE FACER MACHINE BY EXTENDING AT LEAST ONE OF THE WEB COMPONENTS INTO INTIMATE CIRCUMFERENTIAL FRICTIONAL CONTACT WITH A FEED ROLL ADJACENT THE INLET END OF SAID MACHINE, JOINING THE WEB COMPONENTS INTO DOUBLE-FACED BOARD AT THE DOUBLE FACER MACHINE, CUTTING DOUBLE-FACED BOARD PRODUCED BY THE DOUBLE FACER MACHINE INTO UNIT LENGTHS, SYNCHRONIZING THE SPEED OF CUT-OFF WITH THE SURFACE OF THE FEED ROLL, AND MAINTAINING THE WEB COMPONENT BETWEEN THE FEED ROLL AND THE DOUBLE FACER MACHINE TAUT BY OPERATING THE DOUBLE FACER AT A SPEED OF ABOUT .5 PERCENT TO 20 PERCENT GREATER THAN THE SURFACE SPEED OF THE FEED ROLL.
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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) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |