Patent US4924714A successfully refreshed from Google Patents.
US4924714A
Expired / Lapsed
US
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Apparatus for the transport of partially temperature-controlled test material in strip form
Assignee: Hoechst AG
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Filing: 1989-10-11
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Granted: 1990-05-15
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Expires: 2009-10-11
Abstract
Abstract An apparatus for transporting test material in strip form underneath a measuring device, the test material having various test zones along the length of the strip, the apparatus comprising conveyor means for transporting the test material; a retaining device disposed above the conveyor means at an angle transverse to the direction of movement of the conveyor means; and at least one heating device disposed on the retaining device for selectively heating individual test zones on the test material as the test material is transported by the conveyor means.
Inventors
- 👤 Jurgen Gross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:04
CPC Classifications
B; B01; B01L; B01L7/00; G; G01; G01N; G01N35/00; G01N35/00029; G01N2035/00039; G01N2035/00099; G01N2035/00108; G01N2035/00118; G01N2035/00346; G01N2035/00356; G01N2035/00376; Y; Y10; Y10T; Y10T436/00; Y10T436/11; Y10T436/110833
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
89 words
An apparatus for transporting test material in strip form underneath a measuring device, the test material having various test zones along the length of the strip, the apparatus comprising: conveyor means for transporting the test material; a retaining device disposed above the conveyor means at an angle transverse to the direction of movement of the conveyor means; and at least one heating device movably disposed on said retaining device for selectively heating individual test zones on the test material as the test material is transported by the conveyor means.
Claim 2
Independent Claim
89 words
An apparatus for transporting test material in strip form underneath a measuring device, the test material having various test zones along the length of the strip, the apparatus comprising: conveyor means for transporting the test material; a retaining device disposed above the conveyor means at an angle transverse to the direction of movement of the conveyor means; and at least one heating device movably disposed on said retaining device for selectively heating individual test zones on the test material as the test material is transported by the conveyor means.
Claim 3
Dependent Claim
49 words
An apparatus as set forth in claim 1, wherein the heating device includes a plurality of heat radiators and temperature controllers for individually controlling each of said radiators, said radiators arranged in side-by-side relation to each other and substantially parallel to the direction of movement of the conveyor means.
Claim 4
Dependent Claim
22 words
An apparatus as set forth in claim 1, wherein between about one and nine heating devices are arranged on said retaining device.
Claim 5
Dependent Claim
57 words
An apparatus as set forth in claim 1, wherein said at least one heating device includes a band heater extending lengthwise in the direction of movement of said conveyor means, wherein said band heater is configured such that the spacing between said conveyor means and said band heater varies along the lengthwise dimension of said band heater.
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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) | 1993-05-14 | 1993-11-13 | 1994-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-05-14 | 1997-11-13 | 1998-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-05-14 | 2001-11-13 | 2002-05-15 | $7700.00 | Window Closed / Lapsed |