Patents Assigned to 501 Blistex Inc.
  • Patent number: 4887924
    Abstract: An angled plastic tip applicator comprises a compression moulded rigid upper part including a hollow annular tip part being truncated by a convex wall being longitudinally varyingly curved at an impermanent radius. A center tube dependent from the convex wall communicates with an opening in the convex wall. A flat top cap threaded on the tip and having a serrated outer surface has a center pin engageable with the center tube for tight sealing of the applicator. The applicator has a pliable lower metal laminated plastic tubular container wall prevents leaching and pollution of the product.
    Type: Grant
    Filed: February 19, 1988
    Date of Patent: December 19, 1989
    Assignee: 501 Blistex Inc.
    Inventor: Richard K. Green