US3593564A
Expired / Lapsed
US
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Method and apparatus for examining material samples
Assignee: Balzers Patent und Beteiligungs AG
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Filing: 1969-01-16
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Granted: 1971-07-20
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Expires: 1989-01-16
Abstract
Abstract In a method for examining material samples, wherein the sample is heated under vacuum and the amount of gas exchanged by the sample is determined as a function of temperature, the sample is enclosed in a vessel which is permeable to radiant heat. The temperature of the sample is regulated by effecting relative movement between the vessel and the heating chamber, as by dipping the vessel into a heating chamber, raising and lowering a heating bell with respect to the vessel, or swinging the vessel laterally into and out of a laterally opening heating chamber. The apparatus includes the vessel, the heating chamber, and the means for effecting relative movement between the vessel and the heating chamber, in addition to the known evacuating and measuring means.
Inventors
- 👤 Thaddaus Kraus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:54
CPC Classifications
G; G01; G01N; G01N25/00; G01N25/02; B; B01; B01L; B01L7/00; G01N33/00; G01N33/20; G01N33/202; G01N33/2022; G01N33/2025; G01N7/00; G01N7/14
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
143 words
In apparatus for examining material samples, of the type including a vessel for receiving the sample and maintaining the sample under vacuum, heating means cooperable with said vessel to heat the sample, and means measuring the amount of gas exchanged by the sample as a function of the temperature of the sample; the improvement comprising, in combination, said vessel being formed of heat permeable material; and means mounting said vessel and said heating means for movement relative to each other to regulate the temperature of the sample; said heating means comprising a tubular heater having an opening extending along its cylindrical wall; said means mounting said heating means and said vessel for relative movement including a swivel support for said vessel and means operable to pivot said vessel into and out of said tubular heater through said opening in the cylindrical wall thereof.
Claim 2
Dependent Claim
143 words
In apparatus for examining material samples, of the type including a vessel for receiving the sample and maintaining the sample under vacuum, heating means cooperable with said vessel to heat the sample, and means measuring the amount of gas exchanged by the sample as a function of the temperature of the sample; the improvement comprising, in combination, said vessel being formed of heat permeable material; and means mounting said vessel and said heating means for movement relative to each other to regulate the temperature of the sample; said heating means comprising a tubular heater having an opening extending along its cylindrical wall; said means mounting said heating means and said vessel for relative movement including a swivel support for said vessel and means operable to pivot said vessel into and out of said tubular heater through said opening in the cylindrical wall thereof.
Claim 3
Dependent Claim
23 words
In apparatus for examining material samples, the improvement claimed in claim 1, in which said vessel is constructed of radiant heat permeable material.
Claim 4
Dependent Claim
46 words
In apparatus for examining material samples, the improvement claimed in claim 1, in which said means mounting said heating means and said vessel for relative movement operate to immerse said vessel in said heating means to a depth corresponding to the desired temperature of the sample.
Claim 5
Dependent Claim
52 words
In apparatus for examining material samples, the improvement claimed in claim 1, in which said means mounting said heating means and said vessel for relative movement operate to cyclically immerse said vessel in said heating means at a rate sufficient to maintain the mean temperature of the sample at a selected value.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-07-19 | 1975-01-18 | 1975-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-19 | 1979-01-18 | 1979-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-19 | 1983-01-18 | 1983-07-20 | $7700.00 | Window Closed / Lapsed |