US3573470A — Plural output optimetric sample cell and analysis…

Claim 1

Independent Claim 86 words

In a sample cell for receiving material for optimetric analysis, the improvement comprising: a hollow tube comprised of a substantially opaque wall and formed of a nonoxidizable metal readily wettable by molten glass, said wall defining at leaSt a first aperture therein; a cylindrical lens barrel integral with said wall, consisting of aperture forming wall material supported within said aperture and extending beyond opposite surfaces of said wall; and a meniscus-shaped, wide-angle glass lens forming a direct glassto-metal seal with the walls of said lens barrel.

Claim 2

Dependent Claim 86 words

In a sample cell for receiving material for optimetric analysis, the improvement comprising: a hollow tube comprised of a substantially opaque wall and formed of a nonoxidizable metal readily wettable by molten glass, said wall defining at leaSt a first aperture therein; a cylindrical lens barrel integral with said wall, consisting of aperture forming wall material supported within said aperture and extending beyond opposite surfaces of said wall; and a meniscus-shaped, wide-angle glass lens forming a direct glassto-metal seal with the walls of said lens barrel.

Claim 3

Dependent Claim 25 words

A sample cell according to claim 1 wherein said wall defines a second aperture aligned with said first aperture, and a third aperture normal thereto.

Claim 4

Dependent Claim 24 words

A sample cell according to claim 1 in which the glass forming the lens is selectively colored for passing a narrow band-pass of radiation.

Claim 5

Dependent Claim 20 words

A sample cell according to claim 1 including a narrow band-pass filter and means attaching said filter to said lens.

Claim 6

Dependent Claim 20 words

A sample cell according to claim 1 including a light pipe and means attaching said light pipe to said lens.

Claim 7

Independent Claim 75 words

A method of forming an optimetric fluid sample holder comprising the steps of: forming at least one aperture in the wall of a metal tube formed of a nonoxidizable metal readily wettable by molten glass; melting a portion of optical glass; placing the molten glass in the aperture; holding the tube horizontal to form a meniscus-shaped lens within the aperture; and cooling the glass to form a metal-to-glass seal with the wall of the tube.

Claim 8

Independent Claim 75 words

A method of forming an optimetric fluid sample holder comprising the steps of: forming at least one aperture in the wall of a metal tube formed of a nonoxidizable metal readily wettable by molten glass; melting a portion of optical glass; placing the molten glass in the aperture; holding the tube horizontal to form a meniscus-shaped lens within the aperture; and cooling the glass to form a metal-to-glass seal with the wall of the tube.

Claim 9

Dependent Claim 40 words

A method according to claim 6 in which a cylindrical lens holder comprising a sleeve of metal formed of an integral portion of the metal of the wall of the tube is disposed in said aperture and receives said lens.

Claim 10

Dependent Claim 20 words

A method according to claim 7 in which the lens holder is dynamically rolled during cooling of the molten glass.

Claim 11

Dependent Claim 162 words

In an optimetric sample receiving unit for receiving a material to be optimetrically quantitatively analyzed comprising an opaque container having a light input aperture and a light output aperture in the walls thereof; means for radiating characteristic, narrow-band excitation radiation to said input aperture including a lamp and a narrow band pass input absorption filter; and means for detecting characteristic radiation from said output aperture including a narrow-band pass, output absorption filter and a photodetector cell; the improvement comprising: housing means defining an axial recess for receiving said container, a first, radial recess in communication with said light input aperture for receiving said lamp and input filter; and a second, radial recess in communication with said light output aperture for receiving said photodetector cell and output filter; and band means surrounding a portion of said lamp and said photodetector cell for providing a sliding, adjustable fit of said lamp and said cell with the inside surface of said second and third recesses.

Claim 12

Dependent Claim 162 words

In an optimetric sample receiving unit for receiving a material to be optimetrically quantitatively analyzed comprising an opaque container having a light input aperture and a light output aperture in the walls thereof; means for radiating characteristic, narrow-band excitation radiation to said input aperture including a lamp and a narrow band pass input absorption filter; and means for detecting characteristic radiation from said output aperture including a narrow-band pass, output absorption filter and a photodetector cell; the improvement comprising: housing means defining an axial recess for receiving said container, a first, radial recess in communication with said light input aperture for receiving said lamp and input filter; and a second, radial recess in communication with said light output aperture for receiving said photodetector cell and output filter; and band means surrounding a portion of said lamp and said photodetector cell for providing a sliding, adjustable fit of said lamp and said cell with the inside surface of said second and third recesses.

Claim 13

Dependent Claim 203 words

In an optimetric system for combined colorimetric and fluorimetric, quantitative analysis including a container for receiving a material for analysis including at least three radiation transparent apertures in the walls of said container with first and second of said apertures in alignment and the third aperture being normal thereto; means for radiating a selected band-pass of excitation radiation which is selectively and characteristically absorbed by said material; first detection means for detecting a selected band-pass at longer wavelength than said excitation radiation of fluorescent emission radiation from said material; and second detection means for detecting a selected band-pass of the excitation radiation absorbed by said material; the improvement comprising: housing means for mounting said container; rotatable support means surrounding said housing means supporting at least one of said means for radiating, and detection means; and means for selectively rotating said support for selectively positioning said means for radiating and said detection means in alternate positions with respect to said apertures whereby the means for detecting and said first detection means are in communication through said first and second apertures during colorimetric analysis and said means for radiating and second detection means are in communication through said first and third apertures during fluorimetric analysis.

Claim 14

Dependent Claim 203 words

In an optimetric system for combined colorimetric and fluorimetric, quantitative analysis including a container for receiving a material for analysis including at least three radiation transparent apertures in the walls of said container with first and second of said apertures in alignment and the third aperture being normal thereto; means for radiating a selected band-pass of excitation radiation which is selectively and characteristically absorbed by said material; first detection means for detecting a selected band-pass at longer wavelength than said excitation radiation of fluorescent emission radiation from said material; and second detection means for detecting a selected band-pass of the excitation radiation absorbed by said material; the improvement comprising: housing means for mounting said container; rotatable support means surrounding said housing means supporting at least one of said means for radiating, and detection means; and means for selectively rotating said support for selectively positioning said means for radiating and said detection means in alternate positions with respect to said apertures whereby the means for detecting and said first detection means are in communication through said first and second apertures during colorimetric analysis and said means for radiating and second detection means are in communication through said first and third apertures during fluorimetric analysis.

Claim 15

Dependent Claim 83 words

An optimetric system according to claim 10 in which said housing means includes a first recess for receiving said means for radiating in communication with said first aperture; a second recess in communication with said second aperture for receiving said first filter; a third recess in communication with said third aperture for receiving said second filter and said detection means includes a single photodetector cell mounted on said rotatable support for selective positioning in communication with each of said second and third apertures.

Claim 16

Dependent Claim 166 words

In an analytical system for producing colorimetric and fluorimetric photoelectric outputs characteristic of particular constituents in a fluid to be analyzed, said system including a sample container, excitation radiation means and photoelectric detection means, the improvement comprising: a sample container for receiving said fluid defining a plurality of apertures transparent to characteristic input and output radiation, said apertures including an input aperture, a first output aperture in line therewith and a second output aperture normal thereto; excitation means for radiating a selected band-pass of excitation radiation to said input aperture which is selectively and characteristically absorbed by a component of the fluid sample; first colorimetric photoelectric means including a first narrow band-pass filter receiving the radiation output from said first output aperture for determining the quantitative colorimetric absorption of said excitation radiation by said component; and second fluorimetric photoelectric means including a second narrow band-pass filter at a longer wavelength then said excitation radiation for detecting the characteristic fluorescent emission of a component of said sample.

Claim 17

Dependent Claim 166 words

In an analytical system for producing colorimetric and fluorimetric photoelectric outputs characteristic of particular constituents in a fluid to be analyzed, said system including a sample container, excitation radiation means and photoelectric detection means, the improvement comprising: a sample container for receiving said fluid defining a plurality of apertures transparent to characteristic input and output radiation, said apertures including an input aperture, a first output aperture in line therewith and a second output aperture normal thereto; excitation means for radiating a selected band-pass of excitation radiation to said input aperture which is selectively and characteristically absorbed by a component of the fluid sample; first colorimetric photoelectric means including a first narrow band-pass filter receiving the radiation output from said first output aperture for determining the quantitative colorimetric absorption of said excitation radiation by said component; and second fluorimetric photoelectric means including a second narrow band-pass filter at a longer wavelength then said excitation radiation for detecting the characteristic fluorescent emission of a component of said sample.

Claim 18

Dependent Claim 21 words

A system according to claim 12 in which light-gathering lenses are mounted and sealed in at least one of said apertures.

Claim 19

Dependent Claim 23 words

A system according to claim 13 in which at least one of said lenses is colored for passing a selected band-pass of radiation.

Claim 20

Dependent Claim 28 words

A system according to claim 12 in which said fluorescent emission is in the ultraviolet range and said second narrow band-pass filter does not pass said excitation radiation.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1974-04-05	1974-10-05	1975-04-06	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1978-04-05	1978-10-05	1979-04-06	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1982-04-05	1982-10-05	1983-04-06	$7700.00	Window Closed / Lapsed

Plural output optimetric sample cell and analysis system

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