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Closure device for drinking from containers

  • US 5,273,172 A
  • Filed: 11/09/1992
  • Issued: 12/28/1993
  • Est. Priority Date: 11/11/1991
  • Status: Expired due to Term
First Claim
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1. A drinking closure device for liquid-holding containers comprising a main body with a bottom part for closing a container opening and a top part defining a liquid-emitting bore hole and a further, closable, air-admitting bore hole as well as a closable drinking hose extending from both sides of the liquid-emitting bore hole, at least an outer portion of the hose being elastic,wherein the top part has a convex and circular-arc shaped surface on both sides of a longitudinal plane passing through the liquid-emitting bore hole,wherein a groove is located in the convex and circular-arc shaped surface extending along the longitudinal plane,wherein outer openings of the liquid-emitting and air-admitting bore holes are located in a base of the groove,wherein a depth of the groove has a dimension that is smaller than an outer width dimension of the outer portion of the drinking hose,wherein a cap is arranged on the top part, said cap including a pivoting means for pivoting the cap approximately about an axis on a center line of the circular-arc shaped surface,wherein the cap has a shape and size which extends over a portion of the circular-arc shaped surface of the top part,wherein an inside surface of the cap is arranged concentrically to, and close to, upper longitudinal edges defining the groove, and wherein said hose is bendable within said groove upon closing of said cap to close both said bore holes.

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