[특허]Connector for capillary tubing

[미국특허] Connector for capillary tubing 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16L-019/00
출원번호	US-0182044 (1998-10-29)
발명자 / 주소	Welsh Paul B.
출원인 / 주소	Agilent Technologies, In.
인용정보	피인용 횟수 : 44 인용 특허 : 24

초록 ▼

Fluid connector for connecting a first fluid-bearing conduit in a capillary tube to a second fluid-bearing conduit in a receiver. An internal fitting assembly includes an internal fitting body, a body cavity for receiving a ferrule and a self-compensating nut, the ferrule and self-compensating nut being locatable on the capillary tube, and an internal ferrule seat located on a portion of the body cavity, against which a tapered portion of the ferrule is applied to so as to obtain a first fluid-tight seal between the capillary tube, the ferrule, and the ferrule seat. The forward end of the internal fitting body includes a nose cone, having thereon an annular projection, a neck portion which connects the nose cone to the remainder of the internal fitting body, and an annular seal located on the neck portion, wherein the annular projection defines a first frustoconical segment and the annular seal includes a second frustoconical segment, the first and second frustoconical segments being configured to establish a second fluid-tight seal at the receiver port surface as the forward end of the internal fitting body is coaxially aligned with the receiver port and thrust into the receiver cavity.

대표청구항 ▼

[ What is claimed is:] [1.] A connector for connecting a first fluid-bearing conduit to a second fluid-bearing conduit, thereby providing fluid communication between the first and second fluid-bearing conduits, the first fluid bearing conduit being located in a capillary tube and the second fluid-bearing conduit being located in a receiver and communicating with a receiver port having a receiver port surface, comprising:an internal fitting assembly having an internal fitting body, a body cavity for receiving a ferrule and a self-compensating nut, said ferrule and self-compensating nut being locatable on the capillary tube, and an internal ferrule seat located on a portion of the body cavity, against which a tapered portion of the ferrule is applied to so as to obtain a first seal between the capillary tube, the ferrule, and the ferrule seat;wherein a forward end of the internal fitting body includes a nose cone, having thereon an annular projection, a neck portion which connects the nose cone to the remainder of the internal fitting body, an annular seal located on the neck portion, wherein the annular projection defines a first frustoconical segment and the annular seal includes a second frustoconical segment, the first and second frustoconical segments being configured to contact the receiver port surface as the forward end of the internal fitting body is coaxially aligned with the receiver port and thrust into the receiver cavity, and a biasing system for coupling a biasing force to an aft transverse surface of the annular seal in a direction parallel to the central axis of the internal fitting body, so as to: a) urge the annular seal against an aft surface of the annular projection of the nose cone, so as to reduce discontinuity between the first and second frustoconical segments; b) urge both the first and second frustoconical segments against corresponding first and second portions of the receiver port surface, so as to reduce dead volume in the receiver cavity; c) simultaneously urge the annular seal against the aft surface of the annular projection and urge the second frustoconical segment to conform to the receiver port surface, so as to form a second fluid-tight seal between the forward end of the internal fitting body and the receiver port surface.

이 특허에 인용된 특허 (24) 인용/피인용 타임라인 분석

Picha Neil R. (Placerville CA), Capillary connector.
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Ledford ; Jr. Edward B. (Lincoln NE), Capillary quick-connect.
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Ryder Bruce L. (Strasburg PA), Capillary tubing coupler.
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Kaji Hironori (Katsuta JPX) Ninomiya Atushi (Oume JPX) Takekoshi Isamu (Edogawa-ku JPX) Seki Hideo (Naka-gun JPX) Hagiya Kaoru (Hitachi JPX), Casing structure for chromatograph.
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Kaiser Rudolph E. (Dr. Dahlem Strasse 9 Bad Durkheim 6702 DT), Cassette separating column system for chromatography.
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Sattler, Gunther; Gunkel, Werner; Witzgall, Manfred; Look, Reinhard, Column clamping device for chromatography.
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Manfredi Jose F. (Rua Luzitana ; 72 apt. A - Centro Campinas ; Sao Paulo BRX 13015) De Mendonca Jose E. (Piracicaba BRX), Compact separating system with snap-in columns.
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Worden Raymond D. (Houston TX), Connection apparatus.
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Worden Raymond D. (Houston TX), Connection apparatus.
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Worden Raymond D. (Houston TX), Connection apparatus with ferrule forming structure.
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Silvis Paul H. (Boalsburg PA) Rightnour Bradley R. (Mingoville PA) Morehead Richard A. (Pleasant Gap PA), Connector for capillary tubes having a tapered inner bore.
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Higdon William R. (Pleasanton CA), Connector for detachable column cartridge for gas chromatograph.
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Higdon William R. (5173 Independence Dr. Pleasanton CA 94566), Detachable column cartridge gas chromatograph.
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Higdon William R. (Pleasanton CA), Detachable column cartridge gas chromatograph.
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Stearns Stanley D. (P.O. Box 55603 Houston TX 77055), Flow control means for use in an adaptor assembly.
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America William G. (Bethel CT), Fluid connector for microdevices.
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Rodriguez Francis (Vertou FRX) Roblin Jean-Paul (Nantes FRX), Fluid-tight coupling for two sections of a fluid line.
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Barree Robert D. (Littleton CO), High pressure coupling.
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Ledford ; Jr. Edward B. (Lincoln NE), Method of connecting a tube to a device fitting.
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Higdon William R. (Pleasanton CA), Method of fabricating connector.
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Terry Stephen C. (Palo Alto CA) Jerman John H. (Palo Alto CA), Miniature gas chromatograph apparatus.
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Loux Alan D. (Livermore CA) Minners R. Sjhon (San Jose CA) Johnson Paul H. (Oakland CA), Miniature gas chromatograph with heated gas inlet fitting, heated tubing, and heated microvalve assembly.
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Marchand Claude (Schonenbuch CHX) Schoohf Michael (Allschwil CHX), Sealing device for a chromatography column.
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Cassaday Michael M. (Valhalla NY) Castellani Leon (Bronx NY) Saros Stephen (Wantagh NY), Zero dead volume connector.
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이 특허를 인용한 특허 (44) 인용/피인용 타임라인 분석

Renzi,Ronald F., Capillary interconnect device.
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Bailey, Max A.; Hadley, Vince B.; Asher, Jonathan W.; Dilbeck, Rodney Wayne; Walker, Anthony P.; Lakey, Steven Gene; Paetz, Stephen P.; Berry, Brent E.; Rutledge, Robert W., Compact field-mountable gas chromatograph with a display screen.
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Schönfeld, Andreas; Beisel, Daniel, Connecting arrangement.
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Quimby,Bruce D.; Norman,Wesley M., Connector for analytical devices.
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Bürger, Daniel; Schadl, Michael, Connector unit and connecting system for connecting capillaries, in particular for high-performance liquid chromatography.
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Jones Brian A. ; Porter Nathan L. ; Kelly Curtis, Device and method for connecting a fluid conduit to a receiving fitting.
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Murphy, James P.; Michienzi, Joseph; Prentice, David; Cormier, Sylvain, Device and method for connecting fluid conduits.
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Renzi, Ronald F., Edge compression manifold apparatus.
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Renzi,Ronald F., Edge compression manifold apparatus.
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Bailey, Max A.; Hadley, Vince B.; Paetz, Stephen P., Feed-through module for an analyzer.
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Norman, Wesley M.; Song, Wei J., Ferrule.
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Norman, Wesley M.; Song, Wei J., Ferrule.
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Pa, Ponna Peter, Ferrule.
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Norman, Wesley M.; Song, Wei J., Ferrule with features for softening ferrule crush and related methods.
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Williams, Peter C., Fitting for metal pipe and tubing.
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Williams, Peter C.; Medvick, Richard John, Fitting for metal pipe and tubing.
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Williams,Peter C., Fitting for metal pipe and tubing.
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Williams, Peter C.; Berry, Tobin; Carlson, George A.; Marshall, Andrew P.; Clason, Mark A.; Bennett, Mark A.; Moghe, Sanjeev S., Fitting for tube and pipe.
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Best, John W., Fitting to secure tubing within a CPI port.
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Williams,Peter C.; Bennett,Mark A., Fitting with separable gripping device for pipe and tube.
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Williams, Peter C.; Clason, Mark; Marshall, Andrew P.; Fruh, Jason; Kvarda, Eric M., Fitting with taper and single ferrule.
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Bailey, Max A., Fluid control device for a gas chromatograph.
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Renzi, Ronald F., Fluid injection microvalve.
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Neal, Timothy P., Gas chromatograph column connection device.
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Hadley, Vince B.; Dilbeck, Rodney Wayne, Gas chromatograph with digital processing of a thermoconductivity detector signal.
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Bailey, Max A.; Hadley, Vince B.; Asher, Jonathan W.; Dilbeck, Rodney Wayne; Walker, Anthony P.; Lakey, Steven Gene; Paetz, Stephen P.; Berry, Brent E.; Rutledge, Robert W., Gas chromatograph with digital processing of thermoconductivity detector signals.
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Hadley, Vince B.; Asher, Jonathan W.; Walker, Anthony P.; Bailey, Max A.; Acker, Bryan Joseph; Dilbeck, Rodney Wayne, Gas chromatograph with improved thermal maintenance and process operation using microprocessor control.
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Renzi, Ronald F., High pressure capillary connector.
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Kim, Ji Tae; Kim, Gyoung Soo; Hyun, Seok Jung; Lim, Guei Sam; Lee, Youn Jae, Microfluidic system.
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Renzi, Ronald F.; Ferko, Scott, Micromanifold assembly.
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Renzi, Ronald F.; Ferko, Scott M., Micromanifold assembly.
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Renzi, Ronald F., Microvalve.
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Nagata, Noriyu; Sasaki, Hidenori; Sato, Daisuke, Plugs for carburetors.
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Zeko, Darijo; Mora-Fillat, Jose-Angel, Quick lock connector for connecting a capillary to a fluidic conduit of a fluidic component.
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Blacklin, Peter Alfred, Reaction vessel probe adapter.
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Pa, Ponna Peter, Single-piece ferrule with undercut tapering part.
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White,Richard P.; Loux,Alan D., Tapered ceramic GC fitting and assembly.
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Bennett, Mark A.; Williams, Peter C., Tube fitting.
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Williams, Peter C., Tube fitting for stainless steel tubing.
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Williams,Peter C., Tube fitting for stainless steel tubing.
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Bennett, Mark A.; Williams, Peter C., Tube fitting with separable tube gripping device.
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Bennett,Mark A.; Williams,Peter C., Tube fitting with separable tube gripping device.
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Bennett,Mark A.; Williams,Peter C., Tube fitting with separable tube gripping ring.
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Gill, Cooper C.; Martin, Carl S., Wet disconnect system with post disconnection pressure integrity.
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[미국특허] Connector for capillary tubing 원문보기

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이 특허에 인용된 특허 (24) 인용/피인용 타임라인 분석

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[미국특허] Connector for capillary tubing 원문보기

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이 특허에 인용된 특허 (24) 인용/피인용 타임라인 분석

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