Patent US3085347A successfully refreshed from Google Patents.
US3085347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Web breaking control in drying apparatus
Assignee: Beloit Iron Works Inc
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Filing: 1960-03-09
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Granted: 1963-04-16
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Expires: 1980-03-09
Abstract
No abstract record available.
Inventors
- 👤 Edgar J Justus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:58
CPC Classifications
D; D21; D21F; D21F5/00; D21F5/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
216 words
APPARATUS FOR DRYING PAPER WEBS AND THE LIKE, COMPRISING MEANS PROVIDING A WEB SUPPORTING SURFACE, A HOOD SUPPORTED ADJACENT SAID SURFACE DURING DRYING OF SAID WEB, DUCT MEANS DELIVERING AIR TO THE HOOD, DUCT MEANS EXHAUSTING AIR FROM SAID HOOD, MEANS CONNECTING THE AIR DELIVERY AND EXHAUST DUCT MEANS, MEANS CLOSING THE CONNECTING MEANS DURING NORMAL OPERATION OF THE DRYING APPARATUS, BLOWER MEANS CONNECTED TO THE AIR DELIVERY AND EXHAUST DUCT MEANS DIRECTING AIR TO THE HOOD THROUGH THE AIR DELIVERY DUCT MEANS AND RECEIVING AIR FROM THE HOOD THROUGH THE EXHAUST DUCT MEANS DURING NORMAL OPERATION OF THE DRYING APPARATUS, DAMPER MEANS IN THE EXHAUST DUCT MEANS BETWEEN THE CONNECTING MEANS AND THE BLOWER MEANS OPEN DURING NORMAL OPERATION OF THE DRYING APPARATUS AND CLOSED WHEN A WEB BREAK OCCURS TO BLOCK RETURN OF AIR FROM THE HOOD TO THE BLOWER MEANS, MEANS MOUNTED TO DETECT A BREAK IN SAID WEB, AND CONTROL MEANS RESPONSIVE TO SAID WEB BREAK DETECTION MEANS AND CONNECTED TO THE MEANS CLOSING THE CONNECTING MEANS AND TO THE DAMPER MEANS TO CLOSE THE DAMPER MEANS AND OPEN THE MEANS CLOSING THE CONNECTING MEANS AND PROVIDE A UNIDIRECTIONAL AIR FLOW PATH FROM THE BLOWER MEANS THROUGH THE AIR DELIVERY AND EXHAUST DUCT MEANS TO THE HOOD WHEN A WEB BREAK OCCURS.
Claim 2
Dependent Claim
216 words
APPARATUS FOR DRYING PAPER WEBS AND THE LIKE, COMPRISING MEANS PROVIDING A WEB SUPPORTING SURFACE, A HOOD SUPPORTED ADJACENT SAID SURFACE DURING DRYING OF SAID WEB, DUCT MEANS DELIVERING AIR TO THE HOOD, DUCT MEANS EXHAUSTING AIR FROM SAID HOOD, MEANS CONNECTING THE AIR DELIVERY AND EXHAUST DUCT MEANS, MEANS CLOSING THE CONNECTING MEANS DURING NORMAL OPERATION OF THE DRYING APPARATUS, BLOWER MEANS CONNECTED TO THE AIR DELIVERY AND EXHAUST DUCT MEANS DIRECTING AIR TO THE HOOD THROUGH THE AIR DELIVERY DUCT MEANS AND RECEIVING AIR FROM THE HOOD THROUGH THE EXHAUST DUCT MEANS DURING NORMAL OPERATION OF THE DRYING APPARATUS, DAMPER MEANS IN THE EXHAUST DUCT MEANS BETWEEN THE CONNECTING MEANS AND THE BLOWER MEANS OPEN DURING NORMAL OPERATION OF THE DRYING APPARATUS AND CLOSED WHEN A WEB BREAK OCCURS TO BLOCK RETURN OF AIR FROM THE HOOD TO THE BLOWER MEANS, MEANS MOUNTED TO DETECT A BREAK IN SAID WEB, AND CONTROL MEANS RESPONSIVE TO SAID WEB BREAK DETECTION MEANS AND CONNECTED TO THE MEANS CLOSING THE CONNECTING MEANS AND TO THE DAMPER MEANS TO CLOSE THE DAMPER MEANS AND OPEN THE MEANS CLOSING THE CONNECTING MEANS AND PROVIDE A UNIDIRECTIONAL AIR FLOW PATH FROM THE BLOWER MEANS THROUGH THE AIR DELIVERY AND EXHAUST DUCT MEANS TO THE HOOD WHEN A WEB BREAK OCCURS.
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) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |