US3636327A
Expired / Lapsed
US
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Total conditioned weight computer
Assignee: Industrial Nucleonics Corp
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Filing: 1969-12-22
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Granted: 1972-01-18
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Expires: 1989-12-22
Abstract
Abstract A system for computing total conditioned weight of a fiber sheet during manufacture responds to signals derived from moisture and basis weight gauges, a well as indications of suppressed zero value for basis weight and a conditioned weight factor. The signals and indications are combined in accordance with: Delta CW Kcw(BWs+ Delta BW) (1- M) - (BWs+ Delta BW)M+ Delta BW (a), WHERE: Delta CW the total conditioned weight deviation from a suppressed zero basis weight value; Kcw conditioned weight factor; BWs suppressed basis weight value; Delta BW basis weight gauge output, as a deviation of basis weight from suppressed zero basis weight value; and M moisture percentage of total weight as derived from a moisture gauge.
Inventors
- 👤 Paul H Troutman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:33
CPC Classifications
G; G01; G01N; G01N5/00; G01N5/04; G01G; G01G17/00; G01G17/02; G06; G06G; G06G7/00; G06G7/48; Y; Y10; Y10S; Y10S162/00; Y10S162/06; Y10S162/09; Y10S162/10; Y10S162/11
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
152 words
A system for providing an indication of the fiber content of a fibrous sheet containing water-comprising gauge means responsive to the sheet for deriving first and second analog signals respectively indicative of the total basis weight and moisture content of the sheet, said total basis weight signal having a suppressed zero value corresponding with a predetermined non zero value of total basis weight, means for deriving a first indication commensurate with said predetermined, non zero value of total basis weight, means for deriving a second indication commensurate with a predetermined conditioned weight factor relating total basis weight and moisture to total conditioned weight, means combining said first and second indications with said first and second analog signals for deriving a third analog signal indicative of the total conditioned weight of the sheet relative to the suppressed zero total basis weight without deriving an indication of a value for suppressed zero conditioned weight.
Claim 2
Independent Claim
152 words
A system for providing an indication of the fiber content of a fibrous sheet containing water-comprising gauge means responsive to the sheet for deriving first and second analog signals respectively indicative of the total basis weight and moisture content of the sheet, said total basis weight signal having a suppressed zero value corresponding with a predetermined non zero value of total basis weight, means for deriving a first indication commensurate with said predetermined, non zero value of total basis weight, means for deriving a second indication commensurate with a predetermined conditioned weight factor relating total basis weight and moisture to total conditioned weight, means combining said first and second indications with said first and second analog signals for deriving a third analog signal indicative of the total conditioned weight of the sheet relative to the suppressed zero total basis weight without deriving an indication of a value for suppressed zero conditioned weight.
Claim 3
Dependent Claim
47 words
The system of claim 1 wherein said third signal deriving means includes means combining said first and second indications with said first and second analog signals for deriving a fourth analog signal, and means algebraically combining said first and fourth analog signals for deriving said third signal.
Claim 4
Dependent Claim
63 words
The system of claim 1 wherein said means for deriving the third analog signal combines the first and second indications with said first and second analog signals in accordance with: Kcw(BWs+ Delta BW)(1-M), where: Kcw the value of the second indication BWs the value of the first indication Delta BW magnitude of the first analog signal M magnitude of the second analog signal
Claim 5
Dependent Claim
53 words
The system of claim 1 further including means responsive to said first indication deriving means and said third signal deriving means for separately displaying the value of the predetermined nonzero value of total basis weight and the magnitude of the total conditioned weight relative to the predetermined nonzero value of total basis weight.
Claim 6
Dependent Claim
133 words
An analog computer for responding to first and second analog signals respectively derived by gauge means monitorIng total basis weight and moisture of a fibrous sheet, said first signal having a suppressed zero value corresponding with a predetermined nonzero value of total basis weight, comprising means for deriving a first indication commensurate with said predetermined, nonzero value of total basis weight, means for deriving a second indication commensurate with a predetermined conditioned weight factor relating total basis weight and moisture to total conditioned weight, means combining said first and second indications with said first and second analog signals for deriving a third analog signal indicative of the total conditioned weight of the sheet relative to the suppressed zero total basis weight without deriving an indication of a value for suppressed zero conditioned weight.
Claim 7
Dependent Claim
133 words
An analog computer for responding to first and second analog signals respectively derived by gauge means monitorIng total basis weight and moisture of a fibrous sheet, said first signal having a suppressed zero value corresponding with a predetermined nonzero value of total basis weight, comprising means for deriving a first indication commensurate with said predetermined, nonzero value of total basis weight, means for deriving a second indication commensurate with a predetermined conditioned weight factor relating total basis weight and moisture to total conditioned weight, means combining said first and second indications with said first and second analog signals for deriving a third analog signal indicative of the total conditioned weight of the sheet relative to the suppressed zero total basis weight without deriving an indication of a value for suppressed zero conditioned weight.
Claim 8
Dependent Claim
54 words
The analog computer of claim 5 further including means responsive to said first indication deriving means and said third signal deriving means for separately displaying the value of the predetermined nonzero value of total basis weight and the magnitude of the total conditioned weight relative to the predetermined nonzero value of total basis weight.
Claim 9
Dependent Claim
48 words
The analog computer of claim 5 wherein said third signal deriving means includes means combining said first and second indications with said first and second analog signals for deriving a fourth analog signal, and means algebraically combining said first and fourth analog signals for deriving said third signal.
Claim 10
Dependent Claim
65 words
The analog computer of claim 5 wherein said means for deriving the third analog signal combines the first and second indications with said first and second analog signals in accordance with: Kcw(BWs+ Delta BW)(1- M), where: Kcw the value of the second indication BWs the value of the first indication Delta BW magnitude of the first analog signal M magnitude of the second analog signal
Claim 11
Dependent Claim
168 words
In combination with a facility for fabricating a fibrous sheet from a mixture of fiber slurry, said facility including a dryer and takeup roll for the sheet, gauge means positioned between said dryer and takeup roll responsive to the sheet for deriving first and second analog signals respectively indicative of the total basis weight and moisture content of the sheet, said total basis weight signal having a suppressed zero value corresponding with a predetermined nonzero value of total basis weight, means for deriving a first indication commensurate with said predetermined, nonzero value of total basis weight, means for deriving a second indication commensurate with a predetermined conditioned weight factor relating total basis weight and moisture to total conditioned weight, means combining said first and second indications with said first and second analog signals for deriving a third analog signal indicative of the total conditioned weight of the sheet relative to the suppressed zero total basis weight without deriving an indication of a value for suppressed zero conditioned weight.
Claim 12
Dependent Claim
168 words
In combination with a facility for fabricating a fibrous sheet from a mixture of fiber slurry, said facility including a dryer and takeup roll for the sheet, gauge means positioned between said dryer and takeup roll responsive to the sheet for deriving first and second analog signals respectively indicative of the total basis weight and moisture content of the sheet, said total basis weight signal having a suppressed zero value corresponding with a predetermined nonzero value of total basis weight, means for deriving a first indication commensurate with said predetermined, nonzero value of total basis weight, means for deriving a second indication commensurate with a predetermined conditioned weight factor relating total basis weight and moisture to total conditioned weight, means combining said first and second indications with said first and second analog signals for deriving a third analog signal indicative of the total conditioned weight of the sheet relative to the suppressed zero total basis weight without deriving an indication of a value for suppressed zero conditioned weight.
Claim 13
Dependent Claim
53 words
The combination of claim 9 further including means responsive to said first indication deriving means and said third signal deriving means for separately displaying the value of the predetermined nonzero value of total basis weight and the magnitude of the total conditioned weight relative to the predetermined nonzero value of total basis weight.
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) | 1975-01-17 | 1975-07-19 | 1976-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-17 | 1979-07-19 | 1980-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-17 | 1983-07-19 | 1984-01-18 | $7700.00 | Window Closed / Lapsed |