Patents Assigned to Product Design & Engineering Corp.
  • Tampon ejector tube and apparatus
    Patent number: 4104013
    Abstract: An apparatus and method are disclosed for forming an improved ejection (inner) tube for use in a telescoping tampon applicator. The apparatus and method takes a tubular blank and, in one step, provides an improved ejection tube by forming simultaneously a bead-like rim on one end of the tube, an inwardly turned bearing surface on the other end of the tube, and a plurality of outwardly projecting abutments on the surface of the tube near the bearing surface end thereof.
    Type: Grant
    Filed: February 2, 1976
    Date of Patent: August 1, 1978
    Assignee: Product Design & Engineering Corp.
    Inventors: Eugene R. Kelly, Donald M. Gould