Claims
- 1. A temperature controlled thermo flow melt-spinning process, comprising the steps of:
- introducing processing material to a chamber within a spinner head containing a heater element;
- supplying power to said heater element in order to process said material;
- detecting a temperature at a locus on said heater element where an internal flow condition for the processing material is created; and
- transmitting a signal to said power source dependent on the detected temperature such that the internal flow condition may be controlled.
- 2. The melt-spinning process defined in claim 1, further comprising the step of:
- maintaining the detected heater element locus temperature within a temperature range of .+-.8 centigrade degrees.
- 3. The melt-spinning process defined in claim 1, further comprising the step of:
- maintaining the detected heater element locus temperature within a temperature range of .+-.3 centigrade degrees.
- 4. The melt-spinning process defined in claim 1, further comprising the step of:
- maintaining the detected heater element locus temperature within a temperature range of .+-.1 centigrade degree.
- 5. A method of thermo flow melt spin processing of a solid material capable of intraparticle flow comprising the steps of:
- providing a spinner head having a perimetrical processing wall, said processing wall being formed of an electrically powered resistance heater having at least one opening through which said material is processed;
- inserting said material into said spinner head;
- heating said processing wall to a processing temperature sufficient to effect said intraparticle flow of said material;
- rotating said spinner head to urge said material through said processing wall; and
- controlling said temperature of said processing wall at a location thereon where said material undergoes said intraparticle flow.
- 6. A method of claim 5 wherein said controlling step further includes:
- detecting said temperature of said processing wall directly at a location therein adjacent said opening; and
- selectively controlling power supplied to said heater in response to said detected temperature so as to maintain said processing wall temperature at said processing temperature.
- 7. A method of claim 6 wherein said detecting step further includes: providing a temperature detector attached to said processing wall adjacent said opening.
- 8. A method of claim 7 wherein said selectively controlling step further includes: providing a power assembly responsive to said detected temperature at said processing wall for selectively suppling said power to said heater.
- 9. A method of claim 8 further including the step of: placing said temperature detector within said opening.
Parent Case Info
"This is a divisional of application Ser. No. 08/677,251 filed on Jul. 9, 1996" which is a continuation of application Ser. No. 08/425,337 filed Apr. 18, 1995, now abandoned, which is a continuation of application Ser. No. 08/049,773 filed Apr. 19, 1993, now abandoned.
US Referenced Citations (30)
Foreign Referenced Citations (2)
Number |
Date |
Country |
0 540 460 A1 |
May 1993 |
EPX |
WO 9107952 |
Jun 1991 |
WOX |
Non-Patent Literature Citations (1)
Entry |
Seborg, Edgar and Mellichamp, Process Dynamics and Control, John Wiley & Sons, NY, 1989, pp. 184-185; 195-196. |
Divisions (1)
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Number |
Date |
Country |
Parent |
677251 |
Jul 1996 |
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Continuations (2)
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Number |
Date |
Country |
Parent |
425337 |
Apr 1995 |
|
Parent |
49773 |
Apr 1993 |
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