Tamper resistant closure
AssigneeMinnesota Mining and Manufacturing Company
InventorCurtis L. Larson
Life of this patent
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Abstract
A tamper-indicating container seal for use with sealed containers comprising a translucent cap, having a rupturable membrane placed in the cap which is adapted to seal to the container and means, such as a deposit of adhesive, are provided to bond a portion of the rupturable membrane to the cap.
Claims6
A closure for a container having a surface surrounding an opening to the container, a removable translucant cover member removably mounted over said opening in the container, a membrane defining a seal for said container which is bonded in fixed relationship to said surface of said container surrounding said opening, and a deposit of adhesive adhered to the inside of said cover member and to said membrane, said deposit of adhesive being spaced from the surface surrounding said opening and being spaced from the center of said cover whereby relative movement between the cover member and said container will cause a tearing of said membrane by said deposit of adhesive within the area of said opening.
Dependencies are inferred from the claim text.