US3082802A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for forming pulping chips incident to lumber finishing
Assignee: Individual
•
Filing: 1958-03-13
•
Granted: 1963-03-26
•
Expires: 1978-03-13
Abstract
No abstract record available.
Inventors
- 👤 Dickson George
- 👤 Warren H Zuercher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:55
CPC Classifications
B; B27; B27L; B27L11/00; B27L11/007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
THE METHOD OF FORMING A CHIP OF WOOD OF A GIVEN PROFILE FOR PULP DIGESTION, FEEDING THE ROUGH LUMBER TO THE CHIPPER HEAD, WHICH CUTS BY CLIMB-MILLING SAID LUMBER, AT A PREDETERMINED RATE OF FEED; AND AUTOMATICALLY ADJUSTING THE CUTTER HEAD R.P.M. TO THE LUMBER FEED SPEED SO THAT A FIXED PROPORTIONAL RELATIONSHIP EXISTS BETWEEN THE TWO WHICH WILL PRODUCE A CHIP ENTIRELY AND COMPLETELY CUT FROM THE LUMBER OF CONSTANT PROFILE REGARDLESS OF THE PREDETERMINED SELECTED FEED RATE, SAID RATE OF FEED BEING 600 TO 800 FEET PER MINUTE WITH CUTTER HEAD SPEED OF LESS THAN 1000 R.P.M. AND WITH KNIVES NUMBERING 12-20.
Claim 2
Independent Claim
104 words
THE METHOD OF FORMING A CHIP OF WOOD OF A GIVEN PROFILE FOR PULP DIGESTION, FEEDING THE ROUGH LUMBER TO THE CHIPPER HEAD, WHICH CUTS BY CLIMB-MILLING SAID LUMBER, AT A PREDETERMINED RATE OF FEED; AND AUTOMATICALLY ADJUSTING THE CUTTER HEAD R.P.M. TO THE LUMBER FEED SPEED SO THAT A FIXED PROPORTIONAL RELATIONSHIP EXISTS BETWEEN THE TWO WHICH WILL PRODUCE A CHIP ENTIRELY AND COMPLETELY CUT FROM THE LUMBER OF CONSTANT PROFILE REGARDLESS OF THE PREDETERMINED SELECTED FEED RATE, SAID RATE OF FEED BEING 600 TO 800 FEET PER MINUTE WITH CUTTER HEAD SPEED OF LESS THAN 1000 R.P.M. AND WITH KNIVES NUMBERING 12-20.
References Cited (Backward Citations)
US2899992A
Cited
US483970A
Cited
US497979A
Cited
US475881A
Cited
US1075907A
Cited
US1282285A
Cited
US1449862A
Cited
US1670360A
Cited
US1735594A
Cited
US1794859A
Cited
US1938108A
Cited
US2102186A
Cited
US2204439A
Cited
US2276240A
Cited
US2287953A
Cited
US2277284A
Cited
US2401164A
Cited
US2751947A
Cited
US2571861A
Cited
US2655189A
Cited
US2689092A
Cited
US2738813A
Cited
US2771921A
Cited
US2811183A
Cited
US2819744A
Cited
US2840127A
Cited
US2725084A
Cited
US2889859A
Cited
US2884031A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-25 | 1966-09-24 | 1967-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-25 | 1970-09-24 | 1971-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-25 | 1974-09-24 | 1975-03-26 | $7700.00 | Window Closed / Lapsed |