JPH0316060U - - Google Patents
Info
- Publication number
- JPH0316060U JPH0316060U JP1990029954U JP2995490U JPH0316060U JP H0316060 U JPH0316060 U JP H0316060U JP 1990029954 U JP1990029954 U JP 1990029954U JP 2995490 U JP2995490 U JP 2995490U JP H0316060 U JPH0316060 U JP H0316060U
- Authority
- JP
- Japan
- Prior art keywords
- tube
- flow path
- insertion recess
- tube insertion
- connection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000007788 liquid Substances 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 238000012856 packing Methods 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/60—Construction of the column
- G01N30/6004—Construction of the column end pieces
- G01N30/6026—Fluid seals
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Treatment Of Liquids With Adsorbents In General (AREA)
Description
第1図は液体クロマトグラフの説明図、第2図
は従来のチユーブの流路接続装置を示す断面図、
第3図は液体クロマトグラフにより得られるチヤ
ート図であつて、Aはデツドボリユームが無い場
合のチヤート図、Bはデツドボリユームが有る場
合のチヤート図、第4図乃至第6図は本考案に係
るチユーブの流路接続装置の夫々別の実施例を示
す断面図である。
31……押しボルト、32……チユーブ、32
a……先端平面部、33……フエラル、34……
継手、35……接続口部、35a……底部、36
……円筒形パツキン、36a……チユーブ挿入凹
部、36b……液体流路、36c……第1シール
座面、36c……第2シール座面。
Figure 1 is an explanatory diagram of a liquid chromatograph, Figure 2 is a sectional view showing a conventional tube flow path connection device,
FIG. 3 is a chart obtained by a liquid chromatograph, where A is a chart without a dead volume, B is a chart with a dead volume, and FIGS. 4 to 6 are charts of the tube according to the present invention. FIG. 7 is a cross-sectional view showing different embodiments of the flow path connecting device. 31... Push bolt, 32... Tube, 32
a... Tip flat part, 33... Ferrule, 34...
Joint, 35...Connection port, 35a...Bottom, 36
... Cylindrical packing, 36a ... Tube insertion recess, 36b ... Liquid flow path, 36c ... First seal seat surface, 36c ... Second seal seat surface.
Claims (1)
ーブ先端近傍に固着した保持部材を押圧して、流
路を有する接続口部にチユーブを液密的に接続す
る液体クロマトグラフの流路接続装置において、
チユーブ挿入凹部と、これに連なる液体流路と、
該チユーブ挿入凹部内の液体流路の周囲に形成し
た第1シール座面と、前記接続口部の底部に対抗
する第2シール座面とを有する円筒形パツキンを
、前記接続口部に装填し、かつ前記チユーブ挿入
凹部に挿入されたチユーブの先端平面部を前記第
1シール座面に液密的に圧接せしめるとともに、
前記第2シール座面を接続口部の底部に圧接せし
めたことを特徴とする液体クロマトグラフの流路
接続装置。 A flow path connection for a liquid chromatograph in which a holding member fixed near the tip of the tube is pressed by a pressing member screwed into the connection port to fluid-tightly connect the tube to a connection port having a flow path. In the device,
A tube insertion recess, a liquid flow path connected to the tube insertion recess,
A cylindrical packing having a first sealing surface formed around the liquid flow path in the tube insertion recess and a second sealing surface opposing the bottom of the connecting port is loaded into the connecting port. , and bringing a flat end portion of the tube inserted into the tube insertion recess into fluid-tight pressure contact with the first seal seat surface,
A channel connection device for a liquid chromatograph, characterized in that the second seal seat surface is brought into pressure contact with the bottom of the connection port.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990029954U JPH0316060U (en) | 1990-03-23 | 1990-03-23 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990029954U JPH0316060U (en) | 1990-03-23 | 1990-03-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0316060U true JPH0316060U (en) | 1991-02-18 |
Family
ID=31532696
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1990029954U Pending JPH0316060U (en) | 1990-03-23 | 1990-03-23 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0316060U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2021131235A (en) * | 2020-02-18 | 2021-09-09 | 東ソー株式会社 | Liquid chromatography adapter |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5128040A (en) * | 1974-07-01 | 1976-03-09 | Textron Inc | Suraidaaoichigimesuruhoho narabini sochi |
-
1990
- 1990-03-23 JP JP1990029954U patent/JPH0316060U/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5128040A (en) * | 1974-07-01 | 1976-03-09 | Textron Inc | Suraidaaoichigimesuruhoho narabini sochi |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2021131235A (en) * | 2020-02-18 | 2021-09-09 | 東ソー株式会社 | Liquid chromatography adapter |
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