公开(公告)号：US11802855B2

公开(公告)日：2023-10-31

申请号：US16575054

申请日：2019-09-18

Applicant: DIONEX SOFTRON GMBH

Inventor： Hermann Hochgraeber ,  Adolf Satzinger ,  Daniel Buerger ,  Andreas Unger

IPC: G01N30/60 ,  F16L25/00 ,  F16L37/02 ,  G01N30/02

CPC classification number: G01N30/6026 ,  F16L25/0018 ,  F16L37/02 ,  G01N2030/027

Abstract: A plug unit for connecting capillary tubes includes a plug housing that has an axial borehole, a plug capillary tube that projects through the axial borehole, and a sealing element that surrounds the plug capillary tube. The front end of the plug capillary tube is sealed by an elastic and/or plastic deformation of the sealing element against the capillary tube receptacle opening of a bushing unit. A hollow cylindrical pressure piece is provided that surrounds the sealing element in an axial region facing away from the end surface of the plug capillary tube, and the pressure piece has a rearward end side that faces away from the end surface of the plug capillary tube and that can be loaded by the plug housing with an axial pressure force when the plug unit and bushing unit are connected.

公开(公告)号：US10444205B2

公开(公告)日：2019-10-15

申请号：US15269239

申请日：2016-09-19

Applicant: DIONEX SOFTRON GMBH

Inventor： Hermann Hochgraeber ,  Adolf Satzinger ,  Daniel Buerger ,  Andreas Unger

IPC: G01N30/60 ,  F16L25/00 ,  F16L37/02 ,  G01N30/02

Abstract: A plug unit for connecting capillary tubes includes a plug housing that has an axial borehole, a plug capillary tube that projects through the axial borehole, and a sealing element that surrounds the plug capillary tube. The front end of the plug capillary tube is sealed by an elastic and/or plastic deformation of the sealing element against the capillary tube receptacle opening of a bushing unit. A hollow cylindrical pressure piece is provided that surrounds the sealing element in an axial region facing away from the end surface of the plug capillary tube, and the pressure piece has a rearward end side that faces away from the end surface of the plug capillary tube and that can be loaded by the plug housing with an axial pressure force when the plug unit and bushing unit are connected.

公开(公告)号：US10816115B2

公开(公告)日：2020-10-27

申请号：US15621516

申请日：2017-06-13

Applicant: DIONEX SOFTRON GMBH

Inventor： Daniel Buerger ,  Adolf Satzinger

IPC: B01D15/22 ,  F16L19/00 ,  F16L21/02 ,  F16L21/04 ,  G01N30/02 ,  G01N30/60

Abstract: A socket unit for a capillary connection system, especially for use in HPLC applications, includes a housing with a housing outer surface and a housing inner surface that define a housing axial cavity. The socket unit also includes a socket connecting mechanism adapted to engage with a corresponding plug connecting mechanism of a plug unit to connect the plug unit and the socket unit together, wherein the socket connecting mechanism is adapted for a predetermined number of discrete connection states between the socket unit and the plug unit.

公开(公告)号：US10067102B2

公开(公告)日：2018-09-04

申请号：US14792215

申请日：2015-07-06

Applicant: DIONEX SOFTRON GMBH

Inventor： Hermann Hochgraeber ,  Adolf Satzinger ,  Daniel Buerger ,  Andreas Unger

IPC: F16L25/00 ,  G01N30/60 ,  F16L37/02 ,  G01N30/02

Abstract: A plug unit for connecting capillary tubes includes a plug housing that has an axial borehole, a plug capillary tube that projects through the axial borehole, and a sealing element that surrounds the plug capillary tube. The front end of the plug capillary tube is sealed by an elastic and/or plastic deformation of the sealing element against the capillary tube receptacle opening of a bushing unit. A hollow cylindrical pressure piece is provided that surrounds the sealing element in an axial region facing away from the end surface of the plug capillary tube, and the pressure piece has a rearward end side that faces away from the end surface of the plug capillary tube and that can be loaded by the plug housing with an axial pressure force when the plug unit and bushing unit are connected.

公开(公告)号：US09448210B2

公开(公告)日：2016-09-20

申请号：US14938029

申请日：2015-11-11

Applicant: DIONEX SOFTRON GMBH

Inventor： Hermann Hochgraeber ,  Adolf Satzinger ,  Daniel Buerger ,  Andreas Unger

IPC: F16L17/00 ,  G01N30/60 ,  F16L25/00 ,  F16L37/02 ,  G01N30/02

CPC classification number: G01N30/6026 ,  F16L25/0018 ,  F16L37/02 ,  G01N2030/027

Abstract: A plug unit for connecting capillary tubes includes a plug housing that has an axial borehole, a plug capillary tube that projects through the axial borehole, and a sealing element that surrounds the plug capillary tube. The front end of the plug capillary tube is sealed by an elastic and/or plastic deformation of the sealing element against the capillary tube receptacle opening of a bushing unit. A hollow cylindrical pressure piece is provided that surrounds the sealing element in an axial region facing away from the end surface of the plug capillary tube, and the pressure piece has a rearward end side that faces away from the end surface of the plug capillary tube and that can be loaded by the plug housing with an axial pressure force when the plug unit and bushing unit are connected.

公开(公告)号：US11554330B2

公开(公告)日：2023-01-17

申请号：US16216592

申请日：2018-12-11

Applicant: DIONEX SOFTRON GMBH

Inventor： Daniel Buerger ,  Michael Schadl ,  Til Richardsen

IPC: B01D15/14 ,  G01N30/60 ,  G01N30/02

Abstract: A plug unit configured for use in high performance liquid chromatography is described. The plug unit comprises a capillary comprising a capillary distal face; a sealing element, wherein at least a portion of the sealing element is located distal from the capillary distal face; and a biasing element configured to bias the capillary towards the sealing element.

公开(公告)号：US10969369B2

公开(公告)日：2021-04-06

申请号：US15337793

申请日：2016-10-28

Applicant: DIONEX SOFTRON GMBH

Inventor： Thomas Wachinger ,  Daniel Buerger

IPC: G01N30/60 ,  F16L19/02

Abstract: A plug for connecting capillaries includes at least one capillary tube, at least one sealing, and at least one pressure piece. The capillary tube includes a first inner diameter and an open end section. The sealing includes a second inner diameter, a first end section and a shape adapted to seal the open end section of the capillary tube when connected. The pressure piece is adapted to exert at least axial pressure and/or force to at least a part of the sealing. The pressure piece is also adapted to host the first end section of the sealing in abutment with the open end section of the capillary tube so that the capillary tube and the sealing are aligned.

公开(公告)号：US11714067B2

公开(公告)日：2023-08-01

申请号：US17218018

申请日：2021-03-30

Applicant: DIONEX SOFTRON GMBH

Inventor： Thomas Wachinger ,  Daniel Buerger

IPC: G01N30/60 ,  F16L19/02

CPC classification number: G01N30/6026 ,  F16L19/0206 ,  F16L19/0212 ,  G01N30/6039

Abstract: A plug for connecting capillaries includes at least one capillary tube, at least one sealing, and at least one pressure piece. The capillary tube includes a first inner diameter and an open end section. The sealing includes a second inner diameter, a first end section and a shape adapted to seal the open end section of the capillary tube when connected. The pressure piece is adapted to exert at least axial pressure and/or force to at least a part of the sealing. The pressure piece is also adapted to host the first end section of the sealing in abutment with the open end section of the capillary tube so that the capillary tube and the sealing are aligned.

公开(公告)号：US10527215B2

公开(公告)日：2020-01-07

申请号：US14592681

申请日：2015-01-08

Applicant: DIONEX SOFTRON GMBH

Inventor： Daniel Buerger

IPC: B01D15/12 ,  F16L21/035 ,  F16L21/04 ,  F16L55/00 ,  G01N30/14 ,  G01N30/46 ,  G01N30/60 ,  G01N30/02 ,  G01N30/08

Abstract: An adapter housing is described that can be used for high performance liquid chromatography, which can be releasably connected to a socket unit. The adapter housing includes a bore which passes through the adapter housing and a pre-column which can be arranged in the bore to protect the separation column from contaminants and/or to concentrate the fluid to be analyzed. A sealing element seals the adapter housing in relation to the socket unit at the end-face wall of a pilot bore.