COLOR-MARKED THROWAWAY FILTER HOLDER

摘要

PURPOSE: To separate a hermetic sealing function and an end-sealing function and to provide a holder having reliability and a characteristic of stable coloration by forming a color coding of a ready-made plastic ring or plastic clippling. CONSTITUTION: This holder has a first case member 2 which is formed to a disk shape and has an inflow pipe 3 and a second case member 4 which is formed to the same disk shape and has an outflow pipe 5. Both members 2, 4 are tightly and securely coupled in pressure resistant manner across a disk- shaped filter 6 in the range where both face each other in their radial direction. The coding thereof is adapted to exist within a ring groove 8 on the radial outer periphery of the disposable filter holder 1. The color coding is formed of the ready-made plastic ring or plastic clippling. As a result, the disposable filter holder which separates the hermetic sealing function and the end-sealing function, has the reliability and has the characteristic of the stable coloration is obtd.