US3156149A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for trimming and winding sheeted materials
Assignee: Millennium Petrochemicals Inc
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Filing: 1962-09-26
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Granted: 1964-11-10
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Expires: 1982-09-26
Abstract
No abstract record available.
Inventors
- 👤 Iii William G Frizelle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:00
CPC Classifications
B; B26; B26D; B26D7/00; B26D7/22; B26D7/24; E; E01; E01C; E01C11/00; E01C11/16; E01C11/18; E01C11/20; B26D2007/0012; B26D2007/0068; Y; Y10; Y10T; Y10T83/00; Y10T83/343; Y10T83/525; Y10T83/527; Y10T83/528; Y10T83/533; Y10T83/541; Y10T83/543; Y10T83/546; Y10T83/647; Y10T83/6584; Y10T83/6603
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
IN AN APPARATUS FOR SLITTING A TRANSPORTED WEB OF A SHEETED MATERIAL, INCLUDING NIP ROLLS FOR TRANSPORTING THE WEB, AND MEANS FOR DETECTING A BREAK IN SAID WEB AHEAD OF SAID NIP ROLLS, A MEANS FOR AVOIDING SEPARATION OF SAID WEB BETWEEN THE POINT OF DETECTION AND SAID NIP ROLLS, WHICH COMPRISES IN SEQUENCE A PAIR OF WEB DIVERTERS ELEMENTS ALIGNED LATERALLY OF SAID WEB; MEANS FOR EXTENDING SAID DIVERTER ELEMENTS INWARDLY TOWARD THE WEB CENTER; SLITTER KNIVES NORMALY DISPOSED IN INTERCEPTING RELATION TO SAID WEB TRAVEL PATH INTERMEDIATE SAID DIVERTER ELEMENTS AND SAID NIP ROLLS; AND MEANS ENERGIZED BY AN ELECTRICAL SIGNAL FROM SAID BREAK DETECTOR TO ACTUATE SAID DIVERTER ELEMENT EXTENSION MEANS, AND MEANS TO WITHDRAW AND RESTORE SAID KNIVES FROM AND TO SAID INTERCEPTING RELATION TO SAID WEB IN A TIMED SEQUENCE.
Claim 2
Dependent Claim
135 words
IN AN APPARATUS FOR SLITTING A TRANSPORTED WEB OF A SHEETED MATERIAL, INCLUDING NIP ROLLS FOR TRANSPORTING THE WEB, AND MEANS FOR DETECTING A BREAK IN SAID WEB AHEAD OF SAID NIP ROLLS, A MEANS FOR AVOIDING SEPARATION OF SAID WEB BETWEEN THE POINT OF DETECTION AND SAID NIP ROLLS, WHICH COMPRISES IN SEQUENCE A PAIR OF WEB DIVERTERS ELEMENTS ALIGNED LATERALLY OF SAID WEB; MEANS FOR EXTENDING SAID DIVERTER ELEMENTS INWARDLY TOWARD THE WEB CENTER; SLITTER KNIVES NORMALY DISPOSED IN INTERCEPTING RELATION TO SAID WEB TRAVEL PATH INTERMEDIATE SAID DIVERTER ELEMENTS AND SAID NIP ROLLS; AND MEANS ENERGIZED BY AN ELECTRICAL SIGNAL FROM SAID BREAK DETECTOR TO ACTUATE SAID DIVERTER ELEMENT EXTENSION MEANS, AND MEANS TO WITHDRAW AND RESTORE SAID KNIVES FROM AND TO SAID INTERCEPTING RELATION TO SAID WEB IN A TIMED SEQUENCE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-10 | 1968-05-11 | 1968-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-10 | 1972-05-11 | 1972-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-10 | 1976-05-11 | 1976-11-10 | $7700.00 | Window Closed / Lapsed |