Patent US5569232A successfully refreshed from Google Patents.
US4890930A
Expired / Lapsed
US
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Automatic sampling apparatus
Assignee: Mitsubishi Chemical Corp
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Filing: 1988-01-12
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Granted: 1990-01-02
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Expires: 2008-01-12
Abstract
Abstract In an automatic sample supply apparatus which holds a plurality of sample vessels in a waiting station in a matrix pattern and which includes a plurality of rows of sample vessels, sends out the sample vessels in the front row laterally one by one to a sampling station, returns the sample vessels which have finished the required treatment to the waiting station, and advances the sample vessels in the rearmost row in the waiting station collectively as a whole in one step corresponding to one row when all the sample vessels in the front row of the waiting station have been sent out, a suction needle for drawing up the sample in a sample vessel which can penetrate a rubber stopper secured to the sample vessels is employed.
Inventors
- 👤 Hidenori Nohso
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 12:28
CPC Classifications
G; G01; G01N; G01N35/00; G01N35/10; G01N35/1079; G01N35/02; G01N35/026; G01N2035/00465; G01N2035/00524
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
148 words
In an automatic sample supply apparatus which holds a plurality of sample vessels in a waiting station in a matrix pattern including a plurality of rows of sample vessels, and which sends out the sample vessels in the front row laterally one by one to a sampling station, returns the sample vessels which have finished the required treatment to the waiting station, and advances the sample vessels in a rearmost row in the waiting station collectively as a whole in one step one row at a time when all the sample vessels in the front row of the waiting station have been sent out, the improvement comprising the sampling station being provided with a suction needle assembly for sampling the sample in a sample vessel and which comprises a single needle for penetrating a stopper secured to the sample vessels and a holding block for said single needle.
Claim 2
Dependent Claim
148 words
In an automatic sample supply apparatus which holds a plurality of sample vessels in a waiting station in a matrix pattern including a plurality of rows of sample vessels, and which sends out the sample vessels in the front row laterally one by one to a sampling station, returns the sample vessels which have finished the required treatment to the waiting station, and advances the sample vessels in a rearmost row in the waiting station collectively as a whole in one step one row at a time when all the sample vessels in the front row of the waiting station have been sent out, the improvement comprising the sampling station being provided with a suction needle assembly for sampling the sample in a sample vessel and which comprises a single needle for penetrating a stopper secured to the sample vessels and a holding block for said single needle.
Claim 3
Dependent Claim
40 words
The apparatus as claimed in claim 1, wherein said suction needle assembly comprises stopper means for preventing lifting of the sample vessel, wherein said stopper means is secured to the sample vessel and is held by said single suction needle.
Claim 4
Dependent Claim
24 words
The apparatus as claimed in claim 1 or 2, wherein said single suction needle has at least one suction hole on the side thereof.
Claim 5
Dependent Claim
16 words
The apparatus as claimed in claim 1, which further comprises a device for stirring the samples.
Claim 6
Dependent Claim
26 words
The apparatus as claimed in claim 1, wherein said holding block includes means for supplying a washing liquid to an outside portion of said single needle.
References Cited (Backward Citations)
US4518264A
Cited
US4713974A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-01-01 | 1993-07-03 | 1994-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-01-01 | 1997-07-03 | 1998-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-01-01 | 2001-07-03 | 2002-01-02 | $7700.00 | Window Closed / Lapsed |