Stopper for a metered dispensing unit
AssigneeDeFelsko Corporation
InventorsFrank J. Koch, Douglas Cleminshaw
Life of this patent
Estimating the term…
Abstract
A stopper for use in a metered dispensing unit including a conduit for carrying fluid from a container to a metering portion of the dispensing unit, the conduit having a flange at one end, a sealing member arranged on the conduit for sealing the conduit against an inside surface of the container, the sealing member having a tube through which the conduit extends, and a system for replaceably securing the sealing member on the conduit between the flange and an end of the conduit which is opposite the flange. For example, the securing system may include a releasable retaining clip.
Claims21
A stopper for use in a dispensing unit, comprising:
- a conduit for carrying fluid from a container to a dispensing portion of the dispensing unit, including a flange at one end of the conduit;
- a sealing member, replaceably securable on said conduit, for sealing said conduit against an inside surface of the container;
- and
- means for securing the sealing member on the conduit, said securing means removably engaging said conduit at a location remote from said flange.
A stopper for use in a dispensing unit, comprising:
- a conduit having a flange at one end and a projection extending from an outer surface of said conduit,
- a sealing member for sealing said conduit against an inside surface of a container, said sealing member including a tube through which said conduit extends and a plurality of fins extending from an outer surface of said tube wherein each of said fins is arranged substantially parallel to said flange;
- and
- a releasable retaining clip including a ring member for slidably engaging the outer surface of the conduit and an arm extending from one side of said ring member for engaging said projection from the conduit.
A method of replacing a sealing member on a stem of a dispensing unit, said stem having a flange for abutting the sealing member, comprising the steps of:
- removing a retaining clip from the stem;
- said retaining clip being located on the stem at a location remote from the flange;
- sliding the sealing member off the stem;
- putting a new sealing member onto the stem;
- and
- replacing the retaining clip on the stem at a location remote from the flange.
Dependencies are inferred from the claim text.