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This patent describes a pump for liquid chromatography applications. It is specifically designed to operate without lubricants that could cause contamination of the samples. The seals described are designed to run without lubricant and prevent cross contamination of samples. They are spring energise
A sanitary static seal for the fixed end of a chromatography column is described. The seal is in the form of an "L" or a "U" to form a seal against at least one major surface of the frit or screens and also the outside diameter. This design prevents any bypass and the potential for dead spaces such
Whirlpool Corp. USA A refrigerator is designed such that the seal fitting arrangement minimises the distance between the door and body in the closed position. The thermal efficiency is therefore improved.
## Injectable annulus seal Applicant: Triangle Technology AS, Norway A method and a device for in situ formation of a seal in a section of the annulus in an oil well are described. The particular feature of this invention is that the sealant may be injected as a liquid and will then solidify. It m