US3339233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Granulating device
Assignee: Werner & Pfielderer
•
Filing: 1965-07-30
•
Granted: 1967-09-05
•
Expires: 1985-07-30
Abstract
No abstract record available.
Inventors
- 👤 Woitzel Heinz
- 👤 Koch Heinz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:25
CPC Classifications
B; B30; B30B; B30B11/00; B30B11/16; B01; B01J; B01J2/00; B01J2/22; B26; B26D; B26D1/00; B26D1/01; B26D1/12; B26D1/25; B26D1/34; B26D1/38; B29; B29C; B29C43/00; B29C43/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
191 words
A DEVICE FOR GRANULATING PLASTIC MATERIAL, SAID DEVICE COMPRISING IN COMBINATION: A PAIR OF PARALLEL ROTARY ROLLERS EACH HAVING IN ITS PERIPHERY A PLURALITY OF CIRCUMFERENTIAL AXIALLY SPACED FORMING GROOVES; TWO SUPPORT STRUCTURES, ONE AT EACH END OF SAID ROLLERS TO SUPPORT THE SAME, EACH OF SAID SUPPORT STRUCTURES INCLUDING A STATIONARY BASE PART, A PAIR OF MOUNTING MEMBERS, ONE FOR EACH ROLLER, EACH OF SAID MOUNTING MEMBERS HAVING JOURNALED THEREIN THE RESPECTIVE END OF ONE OF SAID ROLLERS; A PAIR OF BEARING MEANS ON SAID BASE PART, EACH OF SAID BEARING MEANS PIVOTALLY SUPPORTING ONE OF THE MOUNTING MEMBERS AT ONE END THEREOF WITH PLAY, SAID MOUNTING MEMBERS HAVING WALL PORTIONS AT SAID ONE END FACING EACH OTHER, AT LEAST ONE OF SAID FACING WALL PORTIONS INCLUDING A RECESS; AN INSERT FITTED IN SAID RECESS DISPLACEABLE TOWARD THE OTHER FACING WALL PORTION; A SPRING FITTED IN SAID RECESS BETWEEN THE BASE THEREOF AND SAID INSERT, SAID SPRING BIASING THE INSERT INTO ABUTMENT WITH SAID OTHER FACING WALL PORTION AND URGING SAID ONE END OF THE MOUNTING MEMBERS APART FROM EACH OTHER THEREBY TAKING UP THE PLAY IN SAID BEARING MEANS;
Claim 2
Independent Claim
191 words
A DEVICE FOR GRANULATING PLASTIC MATERIAL, SAID DEVICE COMPRISING IN COMBINATION: A PAIR OF PARALLEL ROTARY ROLLERS EACH HAVING IN ITS PERIPHERY A PLURALITY OF CIRCUMFERENTIAL AXIALLY SPACED FORMING GROOVES; TWO SUPPORT STRUCTURES, ONE AT EACH END OF SAID ROLLERS TO SUPPORT THE SAME, EACH OF SAID SUPPORT STRUCTURES INCLUDING A STATIONARY BASE PART, A PAIR OF MOUNTING MEMBERS, ONE FOR EACH ROLLER, EACH OF SAID MOUNTING MEMBERS HAVING JOURNALED THEREIN THE RESPECTIVE END OF ONE OF SAID ROLLERS; A PAIR OF BEARING MEANS ON SAID BASE PART, EACH OF SAID BEARING MEANS PIVOTALLY SUPPORTING ONE OF THE MOUNTING MEMBERS AT ONE END THEREOF WITH PLAY, SAID MOUNTING MEMBERS HAVING WALL PORTIONS AT SAID ONE END FACING EACH OTHER, AT LEAST ONE OF SAID FACING WALL PORTIONS INCLUDING A RECESS; AN INSERT FITTED IN SAID RECESS DISPLACEABLE TOWARD THE OTHER FACING WALL PORTION; A SPRING FITTED IN SAID RECESS BETWEEN THE BASE THEREOF AND SAID INSERT, SAID SPRING BIASING THE INSERT INTO ABUTMENT WITH SAID OTHER FACING WALL PORTION AND URGING SAID ONE END OF THE MOUNTING MEMBERS APART FROM EACH OTHER THEREBY TAKING UP THE PLAY IN SAID BEARING MEANS;
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) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |