US3396914A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for disintegrating paper and other waste materials
Assignee: Centriblast Corp
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Filing: 1966-03-15
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Granted: 1968-08-13
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Expires: 1986-03-15
Abstract
No abstract record available.
Inventors
- 👤 Arno J Liebman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:49
CPC Classifications
B; B02; B02C; B02C18/00; B02C18/0084; B02C18/0007; B02C18/06; B02C18/16; B02C18/22; B02C18/2225; B02C18/2241
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
203 words
APPARATUS FOR DISTINTEGRATING MATERIALS OF VARIOUS KINDS INTO SMALL FRAGMENTS, COMPRISING, (A) A SUPPORTING STRUCTURE, (B) A FEED DRUM MOUNTED IN SAID STRUCTURE FOR ROTATION ABOUT A HORIZONTAL AXIS, (C) A DISINTEGRATOR DRUM MOUNTED IN SAID STRUCTURE FOR ROTATION ABOUT A HORIZONTAL AXIS, (D) THE FEED DRUM HAVING MATERIAL ENGAGING AND SUPPORTING TEETH PROJECTING THEREFROM ARRANGED IN AXIALLY AND ANGULARLY SPACED ROWS ON THE DRUM, (E) THE DISINTEGRATOR DRUM HAVING MATERIAL INPACTING TEETH EXTENDING THEREFROM, THE IMPACTING TEETH AND DISINTEGRATING DRUM BEING SO DISPOSED WITH RESPECT TO THE FEED DRUM THAT THE IMPACTING TEETH PASS BETWEEN THE TEETH OF THE FEED DRUM WITH THEIR CIRCLES OF REVOLUTION OVERLAPPING, THE WIDTH OF THE IMPACTING TEETH BEING GREATER THAN THE WIDTH OF THE FEED DRUM THEETH, (F) MEANS FOR ROTATING THE DRUMS IN OPPOSITE DIRECTIONS WITH THE DISINTEGRATOR DRUM BEING ROTATED AT A HIGHER SPEED THAN THE FEED DRUM BY A RATIO OF AT LEAST 20 TO 1 AND THE LINEAR PERIPHERAL SPEED OF THE FEED DRUM TEETH IS IN THE RANGE OF 50 TO 5000 INCHES PER MINUTE, AND (G) MEANS FOR FEEDING MATERIAL TOWARD THE DRUMS SUCH THAT THE MATERIAL IS ENGAGED BY THE FEED DRUM TEETH BEFORE ENGAGEMENT WITH THE IMPACTING TEETH.
Claim 2
Dependent Claim
203 words
APPARATUS FOR DISTINTEGRATING MATERIALS OF VARIOUS KINDS INTO SMALL FRAGMENTS, COMPRISING, (A) A SUPPORTING STRUCTURE, (B) A FEED DRUM MOUNTED IN SAID STRUCTURE FOR ROTATION ABOUT A HORIZONTAL AXIS, (C) A DISINTEGRATOR DRUM MOUNTED IN SAID STRUCTURE FOR ROTATION ABOUT A HORIZONTAL AXIS, (D) THE FEED DRUM HAVING MATERIAL ENGAGING AND SUPPORTING TEETH PROJECTING THEREFROM ARRANGED IN AXIALLY AND ANGULARLY SPACED ROWS ON THE DRUM, (E) THE DISINTEGRATOR DRUM HAVING MATERIAL INPACTING TEETH EXTENDING THEREFROM, THE IMPACTING TEETH AND DISINTEGRATING DRUM BEING SO DISPOSED WITH RESPECT TO THE FEED DRUM THAT THE IMPACTING TEETH PASS BETWEEN THE TEETH OF THE FEED DRUM WITH THEIR CIRCLES OF REVOLUTION OVERLAPPING, THE WIDTH OF THE IMPACTING TEETH BEING GREATER THAN THE WIDTH OF THE FEED DRUM THEETH, (F) MEANS FOR ROTATING THE DRUMS IN OPPOSITE DIRECTIONS WITH THE DISINTEGRATOR DRUM BEING ROTATED AT A HIGHER SPEED THAN THE FEED DRUM BY A RATIO OF AT LEAST 20 TO 1 AND THE LINEAR PERIPHERAL SPEED OF THE FEED DRUM TEETH IS IN THE RANGE OF 50 TO 5000 INCHES PER MINUTE, AND (G) MEANS FOR FEEDING MATERIAL TOWARD THE DRUMS SUCH THAT THE MATERIAL IS ENGAGED BY THE FEED DRUM TEETH BEFORE ENGAGEMENT WITH THE IMPACTING TEETH.
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) | 1971-08-13 | 1972-02-12 | 1972-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-13 | 1976-02-12 | 1976-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-13 | 1980-02-12 | 1980-08-13 | $7700.00 | Window Closed / Lapsed |