US2711247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mineral wool depelletizing apparatus
Assignee: Garlock Packing Co
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Filing: 1954-06-28
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Granted: 1955-06-21
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Expires: 1974-06-28
Abstract
No abstract record available.
Inventors
- 👤 Leander H Hills
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:48
CPC Classifications
B; B07; B07B; B07B7/00; B07B7/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
MINERAL WOOL DEPELLETIZING APPARATUS COMPRISING, IN COMBINATION, A SUBSTANITIALLY ROUND, TUBULAR, VERTICAL STACK, MEANS FEEDING AN AIR STREAM SUBSTANTIALLY AXIALLY UP SAID STACK, A CONDUIT COMMUNICATING WITH SAID STACK SUBSTANITALLY TANGENTIALLY AND ADJACENT THE BOTTOM THEREOF, SAID CONDUIT BEING FORMED WITH AN OPENING FRO INTRODUCING THEREINTO WOOL TO BE DEPELLETIZED, MEANS PROVIDING AN AIR STREAM MOVING IN SAID CONDUIT PAST SAID OPENING AND INTO SAID STACK, TO CARRY SUCH WOOL INTO THE STACK, MEANS LOCATED AT THE BOTTOM OF SAID STACK FOR COLLECTING PELLETS SETTLING BY GRAVITY OUT OF THE WOOL BLOWN UP SAID STACK AND MEANS COMMUNICATING WITH THE TOP OF SAID STACK FOR COLLECTING THE FIBROUS, DEPELLETIZED WOOL.
Claim 2
Dependent Claim
110 words
MINERAL WOOL DEPELLETIZING APPARATUS COMPRISING, IN COMBINATION, A SUBSTANITIALLY ROUND, TUBULAR, VERTICAL STACK, MEANS FEEDING AN AIR STREAM SUBSTANTIALLY AXIALLY UP SAID STACK, A CONDUIT COMMUNICATING WITH SAID STACK SUBSTANITALLY TANGENTIALLY AND ADJACENT THE BOTTOM THEREOF, SAID CONDUIT BEING FORMED WITH AN OPENING FRO INTRODUCING THEREINTO WOOL TO BE DEPELLETIZED, MEANS PROVIDING AN AIR STREAM MOVING IN SAID CONDUIT PAST SAID OPENING AND INTO SAID STACK, TO CARRY SUCH WOOL INTO THE STACK, MEANS LOCATED AT THE BOTTOM OF SAID STACK FOR COLLECTING PELLETS SETTLING BY GRAVITY OUT OF THE WOOL BLOWN UP SAID STACK AND MEANS COMMUNICATING WITH THE TOP OF SAID STACK FOR COLLECTING THE FIBROUS, DEPELLETIZED WOOL.
References Cited (Backward Citations)
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Cited
US1873394A
Cited
US2001184A
Cited
GB401630A
Cited
US2386975A
Cited
US2403740A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-06-20 | 1958-12-20 | 1959-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-20 | 1962-12-20 | 1963-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-20 | 1966-12-20 | 1967-06-21 | $7700.00 | Window Closed / Lapsed |