US3118459A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for wetting dry materials
Assignee: United States Mineral Wool Co
•
Filing: 1962-08-20
•
Granted: 1964-01-21
•
Expires: 1982-08-20
Abstract
No abstract record available.
Inventors
- 👤 Frank M Stumpf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:36
CPC Classifications
E; E04; E04F; E04F21/00; E04F21/02; E04F21/06; E04F21/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
207 words
AN APPARATUS FOR TREATING DRY PARTICLE MATERIALS, WHICH CONSISTS OF A CONDUIT HAVING AN END FOR SUPPLY OF DRY PARTICLE MATERIAL THERETO, MEANS IN SAID CONDUIT FOR IMPARTING VELOCITY TO SAID PARTICLES FROM THAT END OF THE CONDUIT THROUGH THE CONDUIT AND OUT OF THE OPPOSITE OPEN END OF THE CONDUIT, THREE ZONES FORMED IN SAID CONDUIT INTERMEDIATE SAID ENDS THEREOF, THE FIRST ZONE, ADJACENT SAID SUPPLY END OF THE CONDUIT HAVING INCORPORATED THEREIN SAID VELOCITY IMPARTING MEANS AND BEING OF GIVEN CROSS SECTIONAL VALUE AND VOLUMETRIC CAPACITY FOR PASSAGE OF SAID MATERIALS THERETHROUGH AND INTO THE SECOND ZONE, AT A GIVEN VELOCITY, THE SECOND ZONE BEING OF CROSS SECTIONAL AND VOLUMETRIC CAPACITY GREATER THAN THAT OF THE SAID FIRST ZONE, FOR PASSAGE THERETHROUGH OF SAID PARTICLES MORE SLOWLY, AND AXIALLY ALIGNED WITH SAID FIRST ZONE, MEANS OPENING INTO THE AXIAL CENTER OF SAID SECOND ZONE FOR WETTING SAID PARTICLES IN PASSAGE THERETHROUGH, THE SECOND ZONE PORTION OF THE APPARATUS OPENING INTO THE THIRD ZONE THEREOF, SAID THIRD ZONE PORTION THEREOF BEING OF LESSER CROSS SECTIONAL VALUE AND VOLUMETRIC CAPACITY THAN THE SECOND ZONE, FOR PASSAGE OF SAID PARTICLES THROUGH SAID THIRD ZONE AND OUT OF SAID OPEN END OF THE CONDUIT AT A MORE RAPID RATE.
Claim 2
Independent Claim
207 words
AN APPARATUS FOR TREATING DRY PARTICLE MATERIALS, WHICH CONSISTS OF A CONDUIT HAVING AN END FOR SUPPLY OF DRY PARTICLE MATERIAL THERETO, MEANS IN SAID CONDUIT FOR IMPARTING VELOCITY TO SAID PARTICLES FROM THAT END OF THE CONDUIT THROUGH THE CONDUIT AND OUT OF THE OPPOSITE OPEN END OF THE CONDUIT, THREE ZONES FORMED IN SAID CONDUIT INTERMEDIATE SAID ENDS THEREOF, THE FIRST ZONE, ADJACENT SAID SUPPLY END OF THE CONDUIT HAVING INCORPORATED THEREIN SAID VELOCITY IMPARTING MEANS AND BEING OF GIVEN CROSS SECTIONAL VALUE AND VOLUMETRIC CAPACITY FOR PASSAGE OF SAID MATERIALS THERETHROUGH AND INTO THE SECOND ZONE, AT A GIVEN VELOCITY, THE SECOND ZONE BEING OF CROSS SECTIONAL AND VOLUMETRIC CAPACITY GREATER THAN THAT OF THE SAID FIRST ZONE, FOR PASSAGE THERETHROUGH OF SAID PARTICLES MORE SLOWLY, AND AXIALLY ALIGNED WITH SAID FIRST ZONE, MEANS OPENING INTO THE AXIAL CENTER OF SAID SECOND ZONE FOR WETTING SAID PARTICLES IN PASSAGE THERETHROUGH, THE SECOND ZONE PORTION OF THE APPARATUS OPENING INTO THE THIRD ZONE THEREOF, SAID THIRD ZONE PORTION THEREOF BEING OF LESSER CROSS SECTIONAL VALUE AND VOLUMETRIC CAPACITY THAN THE SECOND ZONE, FOR PASSAGE OF SAID PARTICLES THROUGH SAID THIRD ZONE AND OUT OF SAID OPEN END OF THE CONDUIT AT A MORE RAPID RATE.
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) | 1967-01-20 | 1967-07-22 | 1968-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-20 | 1971-07-22 | 1972-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-20 | 1975-07-22 | 1976-01-21 | $7700.00 | Window Closed / Lapsed |