The ornamental design for a tie-bar for a chromatographycolumn, as shown and described.
FIG. 1 is a perspective view of the tie-bar for a chromatography column showing our new design.
FIG. 2 is a front view of the tie-bar for a chromatography column of FIG. 1
FIG. 3 is a back view of the tie-bar for a chromatography column of FIG. 1.
FIG. 4 is a right side view of the tie-bar for a chromatography column of FIG. 1.
FIG. 5 is a left side view of the tie-bar for a chromatography column of FIG. 1.
FIG. 6 is a top plan view of the tie-bar for a chromatography column of FIG. 1; and,
FIG. 7 is a bottom plan view of the tie-bar for a chromatography column of FIG. 1.
The broken lines are included for the purpose of illustrating unclaimed portions of the tie-bar for a chromatography column and form no part of the claimed design.