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US 12,638,425 B2Granted
Pipe for chromatograph and method of manufacturing pipe for chromatograph
AssigneeShimadzu Corporation
InventorShinji Tanaka
Life of this patent
Estimating the term…
Abstract
A pipe for a chromatograph includes a thin portion and a thick portion. The thin portion extends in one direction. The thick portion is located at an end portion of the thin portion in the one direction. The thin portion and the thick portion are integrally formed of a single member. The outer diameter of the thin portion is smaller than the outer diameter of the thick portion. The pipe is used in a chromatograph.
Claims7
A method of manufacturing a pipe for a chromatograph, the pipe being used in a chromatograph, including the steps of:
- forming a mask at an end portion of a cylindrical member extending in one direction;
- and
- reducing a thickness of the cylindrical member except for the end portion by a predetermined amount by etching the cylindrical member.
Dependencies are inferred from the claim text.