US4290182A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods and apparatus for measuring the temperature of a continuously moving strand of material
Assignee: AT&T Inc
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Filing: 1979-10-03
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Granted: 1981-09-22
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Expires: 1999-10-03
Abstract
Abstract A radiation absorbing cone (34) affixed to an infrared pyrometer (31) has a pair of lateral apertures (36--36) therein through which a continuously moving heated wire (11) passes. The cone (34) blocks stray ambient radiation while substantially eliminating any reflected radiation from the wire (11) from impinging on the pyrometer (31) to provide an accurate and repeatable measurement of the wire temperature.
Inventors
- 👤 Hopeton S. Lawrence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:30
CPC Classifications
G; G01; G01J; G01J5/00; G01J5/0022; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4998; Y10T29/49982; Y10T29/49986; Y10T29/51; Y10T29/5187
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
59 words
An apparatus for measuring the temperature of a strand of material, comprising: a radiation absorbing cone having a pair of openings in the wall thereof through which the strand passes; and a thermal radiation measuring device mounted proximate the base of the cone to detect the thermal radiation emanating from the strand of material to determine the temperature thereof.
Claim 2
Independent Claim
59 words
An apparatus for measuring the temperature of a strand of material, comprising: a radiation absorbing cone having a pair of openings in the wall thereof through which the strand passes; and a thermal radiation measuring device mounted proximate the base of the cone to detect the thermal radiation emanating from the strand of material to determine the temperature thereof.
Claim 3
Dependent Claim
16 words
The apparatus as set forth in claim 1, wherein: the strand is a continuously moving wire.
Claim 4
Dependent Claim
20 words
The apparatus as set forth in claim 1 or 2 wherein: the thermal radiation measuring device is an infrared pyrometer.
Claim 5
Independent Claim
142 words
A system for applying a coating of material to a bare wire by sequentially drawing a billet through at least one die to form the wire which then passes through a preheater and an extruder to apply the coating, the system further comprising: a radiation absorbing cone, interposed between the preheater and the extruder, having a pair of openings in the side thereof through which the wire passes; a thermal radiation measuring device mounted at the base of the cone to form an enclosed volume therebetween through which the wire passes and the thermal radiation emitted therefrom detected by the device to determine the temperature thereof; and a feedback control means electrically connected to the output of the thermal radiation measuring device and the preheater to control the temperature of the preheater based upon the wire temperature information from the measuring device.
Claim 6
Independent Claim
142 words
A system for applying a coating of material to a bare wire by sequentially drawing a billet through at least one die to form the wire which then passes through a preheater and an extruder to apply the coating, the system further comprising: a radiation absorbing cone, interposed between the preheater and the extruder, having a pair of openings in the side thereof through which the wire passes; a thermal radiation measuring device mounted at the base of the cone to form an enclosed volume therebetween through which the wire passes and the thermal radiation emitted therefrom detected by the device to determine the temperature thereof; and a feedback control means electrically connected to the output of the thermal radiation measuring device and the preheater to control the temperature of the preheater based upon the wire temperature information from the measuring device.
Claim 7
Dependent Claim
18 words
The system as set forth in claim 4, wherein: the thermal radiation measuring device is an infrared pyrometer.
Claim 8
Independent Claim
50 words
A method of measuring the temperature of an article, comprising the steps of: positioning an article within a radiation absorbing cone; and measuring the thermal radiation emitted from the article with a thermal radiation measuring device positioned proximate the base of the cone to determine the temperature of the article.
Claim 9
Independent Claim
50 words
A method of measuring the temperature of an article, comprising the steps of: positioning an article within a radiation absorbing cone; and measuring the thermal radiation emitted from the article with a thermal radiation measuring device positioned proximate the base of the cone to determine the temperature of the article.
Claim 10
Dependent Claim
18 words
The method as set forth in claim 6, wherein: the article to be measured is a bare wire.
Claim 11
Dependent Claim
18 words
The method as set forth in claim 6, wherein: the thermal radiation measuring device is an infrared detector.
Claim 12
Independent Claim
106 words
A method for applying a coating of material to a bare wire by sequentially drawing a billet through at least one die to form the wire which then passes through a preheater and an extruder to apply the coating, the method further comprises the steps of: interposing a radiation absorbing cone between the preheater and the extruder, passing the bare wire through the cone via openings in the side thereof, monitoring the temperature of the wire with a thermal radiation measuring device mounted at the base of the cone; and controlling the temperature of the preheater in response to the temperature determined by the measuring device.
Claim 13
Independent Claim
106 words
A method for applying a coating of material to a bare wire by sequentially drawing a billet through at least one die to form the wire which then passes through a preheater and an extruder to apply the coating, the method further comprises the steps of: interposing a radiation absorbing cone between the preheater and the extruder, passing the bare wire through the cone via openings in the side thereof, monitoring the temperature of the wire with a thermal radiation measuring device mounted at the base of the cone; and controlling the temperature of the preheater in response to the temperature determined by the measuring device.
Claim 14
Dependent Claim
18 words
The method as set forth in claim 9, wherein: the thermal radiation measuring device is an infrared pyrometer.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-09-21 | 1985-03-23 | 1985-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-09-21 | 1989-03-23 | 1989-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-09-21 | 1993-03-23 | 1993-09-22 | $7700.00 | Window Closed / Lapsed |