Patent · US Expired

Product dispenser

US4997300A · kind A · utility

4Cited by
31References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 22, 1989
Grant dateMar 5, 1991
Priority date
Expiry dateNov 22, 2009

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA45D40/265
  • WIPO fieldOther consumer goods
  • WIPO sectorOther fields

Abstract

A dispenser for an extrudable product includes an applicator member having a handle and an applicator tip connected to the handle, a cover member having a hollow interior that extends along a cover member axis to an open end of the cover member, which open end is dimensioned and arranged to receive the applicator tip, a supply of an extrudable product within the cover member, and an extrusion mechanism within the cover member. The extrusion mechanism includes an extrusion die and components for enabling a user to rotate the extrusion die relative to a portion of the cover member in order to operate the extrusion mechanism. The extrusion die has an extrusion orifice and it bears against the cover member at an interface between the extrusion die and the cover member. Components for inhibiting the passage of air to the extrudable product are provided that include at least one of a first sealing arrangement for sealing the extrusion orifice and a second sealing arrangement for sealing the interface between the extrusion die and the cover member is provided. One embodiment includes an indicator for indicating the amount of relative rotation of the first and second sections in order to f…

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.