Patent ID: 6481600
Filing Date: 2002-11-19
Classification: B01L,G01F

Abstract:
A dropper assembly comprising a pipette portion, having a proximate end and a distal end, the distal end of said pipette having an opening through which fluid is adapted to flow in the pipette portion; a cap portion having a top wall with a top side and a bottom side, the proximate end of the pipette portion being integrally formed with the bottom side of said top wall of said cap portion, said cap portion having a first annular wall extending axially outwardly from the top side of the wall; a bulb portion having a flange at one end thereof, the flange of said bulb portion being positioned on said top side of the top wall, and said first annular wall being swaged over the flange of said bulb portion, to thereby integrally connect said bulb portion to said cap portion; an enlarged mouth portion on the proximate end of said pipette portion, said enlarged mouth portion being formed by a second annular wall extending axially outwardly from said top side of the cap portion top wall, said second annular wall being spaced radially inwardly from said first annular wall, to thereby form an annular space, said top side of said top wall defining a bottom wall for said annular space, the flange of said bulb portion being portioned in said space.