Vent opening mechanism

  • US 8,397,935 B2
  • Filed: 08/19/2010
  • Issued: 03/19/2013
  • Est. Priority Date: 09/10/2009
  • Status: Expired due to Fees
First Claim
Patent Images

1. A can for containing fluid therein, the can comprising:

  • a bottom end;

    a cylindrical sidewall with the bottom end attached to a first side of the cylindrical sidewall;

    a top end attached to the sidewall on an opposed second side of the cylindrical wall to form an enclosed volume in which the fluid is containable, the top end having a first score line defining a drinking periphery formed in the top end and a second score line defining a vent opening, the first score line angularly displaced from the second score line with respect to a center portion of the top end, the top end having a protrusion juxtaposed to the second score line;

    a tab defining a drink opening portion and a vent opening portion, the drink and vent opening portions joined to each other at an intermediate portion, the intermediate portion pivotally attached to the center portion of the top end, the drink opening portion disposed over the top end on an interior side of the first score line, the vent opening portion disposed over the top end with a solid portion of the vent opening portion disposable over the protrusion such that a user can press the vent opening portion of the tab into the top end to break the second score line,wherein the vent opening portion is disposed over the second score line to protect the users finger front being cut with a sharp edge formed at the second score line after rupturing the second score line with the vent opening portion, and wherein the vent opening portion covers the second score line to prevent insertion of the vent opening portion and any part of the user'"'"'s finger when the user depresses the protrusion to break the second score line, andwherein the top end comprises the protrusion formed therein, and wherein the protrusion comprises a ridge with opposed sloping sides that are contiguous with one another at a spine.

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