Patent US3960069A successfully refreshed from Google Patents.
US3960069A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for controlling a press
Assignee: Formica Corp
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Filing: 1974-03-21
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Granted: 1976-06-01
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Expires: 1994-03-21
Abstract
Abstract A method of controlling a laminating press in accordance with a predetermined time-temperature command profile and apparatus for use therein, are disclosed.
Inventors
- 👤 Ralph Mitchell Bowyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:26
CPC Classifications
B; B29; B29C; B29C43/00
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
107 words
A method of controlling the pressing of a laminate assembly wherein the assembly is placed between heatable platens of a press which is then closed subjecting the assembly to pressure comprising 1. continually providing an output signal to a controller from a programmer in response to a desired time and temperature command profile, 2. continually measuring, solely at said assembly, the temperature of said laminate assembly being cured between the platens of the press, 3. continually providing said measured temperature to said controller, 4. continually determining the conformity of said measured temperature to the programmed temperature of said profile in conjunction with said time of said profile,
Claim 2
Independent Claim
107 words
A method of controlling the pressing of a laminate assembly wherein the assembly is placed between heatable platens of a press which is then closed subjecting the assembly to pressure comprising 1. continually providing an output signal to a controller from a programmer in response to a desired time and temperature command profile, 2. continually measuring, solely at said assembly, the temperature of said laminate assembly being cured between the platens of the press, 3. continually providing said measured temperature to said controller, 4. continually determining the conformity of said measured temperature to the programmed temperature of said profile in conjunction with said time of said profile,
Claim 3
Dependent Claim
105 words
continually determining a need for a temperature change in said curing laminate assembly from said conformity determination, 6. continually providing first and second signals, each to one of a pair of relays and a third signal to a heat source from said programmer in accordance with said command profile which third signal energizes first means for introducing heating media to the platens and which first and second signals energize second means for removing heating media from said platens and third means for introducing cooling media to said platens, respectively, and 7. continually controlling the temperature of said curing laminate assembly in accordance with said need.
Claim 4
Dependent Claim
105 words
continually determining a need for a temperature change in said curing laminate assembly from said conformity determination, 6. continually providing first and second signals, each to one of a pair of relays and a third signal to a heat source from said programmer in accordance with said command profile which third signal energizes first means for introducing heating media to the platens and which first and second signals energize second means for removing heating media from said platens and third means for introducing cooling media to said platens, respectively, and 7. continually controlling the temperature of said curing laminate assembly in accordance with said need.
Claim 5
Dependent Claim
31 words
A method according to claim 1 wherein said curing laminate assembly temperature is controlled by providing said first signal to a pneumatic control means for providing BTU input to said platens.
Claim 6
Dependent Claim
20 words
A method according to claim 1 wherein said output signal is provided to said controller by an electrostatic line follower.
Claim 7
Dependent Claim
166 words
Apparatus for controlling a laminate assembly press comprising heatable platens which, when closed, subject said assembly to temperature and pressure, comprising 1. programmer means for receiving and responding to a time and temperature command profile, 2. controller means capable of determining the conformity of a measured temperature to a desired temperature in relation to time and the need for a change of the assembly temperature, 3. means for providing an output signal from said programmer means in response to said command profile to said controller means, 4. means for measuring the temperature of said laminate assembly and transmitting the resultant measured temperature to said controller means, 5. first relay means for energizing means for removing heating media from said press in response to said programmer, 6. a second relay means for energizing means for introducing cooling media to said platens in response to said programmer means and 7. means for controlling the temperature of said assembly in accordance with the need therefor determined by said controller.
Claim 8
Dependent Claim
166 words
Apparatus for controlling a laminate assembly press comprising heatable platens which, when closed, subject said assembly to temperature and pressure, comprising 1. programmer means for receiving and responding to a time and temperature command profile, 2. controller means capable of determining the conformity of a measured temperature to a desired temperature in relation to time and the need for a change of the assembly temperature, 3. means for providing an output signal from said programmer means in response to said command profile to said controller means, 4. means for measuring the temperature of said laminate assembly and transmitting the resultant measured temperature to said controller means, 5. first relay means for energizing means for removing heating media from said press in response to said programmer, 6. a second relay means for energizing means for introducing cooling media to said platens in response to said programmer means and 7. means for controlling the temperature of said assembly in accordance with the need therefor determined by said controller.
Claim 9
Dependent Claim
18 words
Apparatus according to claim 4 including line following means in said programmer means to respond to said profile.
Claim 10
Dependent Claim
21 words
Apparatus according to claim 4 including pneumatic control means for providing BTU input to said platens responsive to said controller means.
References Cited (Backward Citations)
US2432215A
Cited
US3348474A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-06-01 | 1979-12-01 | 1980-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-06-01 | 1983-12-01 | 1984-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-06-01 | 1987-12-01 | 1988-06-01 | $7700.00 | Window Closed / Lapsed |