US3274308A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Calender bank size automatic control system
Assignee: EIDP Inc
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Filing: 1964-01-02
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Granted: 1966-09-20
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Expires: 1984-01-02
Abstract
No abstract record available.
Inventors
- 👤 Freeman John Thomas
- 👤 Sanders Carl William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:37
CPC Classifications
G; G05; G05D; G05D5/00; G05D5/02; G05D5/03; B; B29; B29B; B29B7/00; B29B7/30; B29B7/58; B29B7/72; B29B7/724; B29C; B29C43/00; B29C43/22; B29C43/24; B29C43/245; Y; Y10; Y10S; Y10S425/00; Y10S425/235
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
99 words
A CALENDAR ROLL APPARATUS FOR CONTINUOUSLY PREBANK SIZE SIGNAL AND FORMING A DEVIATION SIGNAL FOR PARING VISCOUS SHEET MATERIAL COMPRISING (A) DETECTOR MEANS FOR SIGNALLING THE BANK SIZE OF SAID MATERIAL FORMED BY THE NIP OF SAID CALENDER ROLL; (B) MEANS OF CREATING A DEVIATION SIGNAL REPRESENTIING THE DIFFERENCE BETWEEN SAID BANK SIZE SIGNAL AND A PRESET SIGNAL FOR THE OPTIMUM BANK SIZE; AND (C) CONTROL MEANS FOR GOVERNING THE NIP SIZE MOVING SAID CALENDAR ROLL A DISTANCE DEPENDENT UPON A CORRECTION SIGNAL REPRESENTING THE DIFFERENCE BETWEEN A SIGNAL CORRESPONDING TO THE ACTUAL NIP SIZE AND SAID DEVIATION SIGNAL.
Claim 2
Dependent Claim
99 words
A CALENDAR ROLL APPARATUS FOR CONTINUOUSLY PREBANK SIZE SIGNAL AND FORMING A DEVIATION SIGNAL FOR PARING VISCOUS SHEET MATERIAL COMPRISING (A) DETECTOR MEANS FOR SIGNALLING THE BANK SIZE OF SAID MATERIAL FORMED BY THE NIP OF SAID CALENDER ROLL; (B) MEANS OF CREATING A DEVIATION SIGNAL REPRESENTIING THE DIFFERENCE BETWEEN SAID BANK SIZE SIGNAL AND A PRESET SIGNAL FOR THE OPTIMUM BANK SIZE; AND (C) CONTROL MEANS FOR GOVERNING THE NIP SIZE MOVING SAID CALENDAR ROLL A DISTANCE DEPENDENT UPON A CORRECTION SIGNAL REPRESENTING THE DIFFERENCE BETWEEN A SIGNAL CORRESPONDING TO THE ACTUAL NIP SIZE AND SAID DEVIATION SIGNAL.
Claim 3
Independent Claim
74 words
A METHOD FOR PREPARING CONTINUOUS SHEETS OF PHOTOPOLYYMERIC MATERIAL WHICH COMPRISES (A) FEEDING SAID MATERIAL BETWEEN CALENDAR ROLLS CAPABLE OF BEING ADJUSTED TO CHANGE THE NNP SIZE; (B) PRODUCING A SIGNAL REPRESENTING THE ACTUAL CALENDER BANK SIZE IN SAID NIP; (C) COMPARING THE ACTUAL BANK SIGNAL WITH A PREFERRED ANY DIFFERENCE IN SAID BANK SIGNALS; AAND (D) ADJUSTNG SAID CALENDER ROLL NIP UTILIZING SAID DEVIATION SIGNAL TO GIVE SAID PREFERRED CALENDER ROLL BANK SIZE.
Claim 4
Independent Claim
74 words
A METHOD FOR PREPARING CONTINUOUS SHEETS OF PHOTOPOLYYMERIC MATERIAL WHICH COMPRISES (A) FEEDING SAID MATERIAL BETWEEN CALENDAR ROLLS CAPABLE OF BEING ADJUSTED TO CHANGE THE NNP SIZE; (B) PRODUCING A SIGNAL REPRESENTING THE ACTUAL CALENDER BANK SIZE IN SAID NIP; (C) COMPARING THE ACTUAL BANK SIGNAL WITH A PREFERRED ANY DIFFERENCE IN SAID BANK SIGNALS; AAND (D) ADJUSTNG SAID CALENDER ROLL NIP UTILIZING SAID DEVIATION SIGNAL TO GIVE SAID PREFERRED CALENDER ROLL BANK SIZE.
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) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |