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Bottle insert for product container

  • US 3,930,280 A
  • Filed: 06/27/1974
  • Issued: 01/06/1976
  • Est. Priority Date: 06/27/1974
  • Status: Expired due to Term
First Claim
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1. An insert for sealing between a reservoir assembly and an applicator of a product container and for wiping over the applicator therein, said insert being fabricated of elastic material and comprising:

  • a tubular having a longitudinal axis;

    a wiping diaphragm disposed across said tubular frame between the longitudinal ends thereof, said diaphragm having an aperture disposed therethrough concentrically about said longitudinal axis; and

    a sealing rim disposed on the external periphery of said tubular frame and at one longitudinal end thereof, said sealing rim having a flat end wall disposed in a radial plane and facing away from said insert and a tapered inner wall disposed longitudinally inwardly of said end wall, whereby said rim is of varying thickness along said longitudinal axis, said varying thickness being of increasing magnitude in a radial direction away from said longitudinal axis, said sealing rim being compressible across said varying thickness within the product container and being distorted therein radially away from said longitudinal axis.

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