IP Library Granted Patent US 7,963,421
Granted Patent B2
US 7,963,421 · App. 12/835,073 · Granted Jun 21, 2011

Hinged lid for a food container

Assignee: Huhtamaki, Inc.
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Quick Facts
Patent No.
US 7,963,421
App. No.
12/835,073
Granted
Jun 21, 2011
Kind
B2
Abstract

A hinged lid for a food container is provided. The lid structure includes a rim with an attached cover member. The lid structure also includes a mounting structure for mounting the lid structure to a food container. A tamper evidence latch is provided to releasably secure the rim in a closed configuration overlying the open end of the food container. The rim engages an upper rolled lip of the food container sidewall when the lid structure is in a closed configuration.

Claims (7)

1. A hinged lid structure configured to be attached to a container having a free end, a sidewall depending therefrom, and a bottom, said lid structure comprising:

a rim including a flange and a skirt, said flange configured to overlie said container free end and said skirt configured to be positioned outside of and circumscribe at least a portion of said container free end;

a mount structure including a pair of spaced apart wall members forming a channel therebetween configured to receive less than an entire periphery of an upper portion of said container sidewall;

a hinge including two flexible torsion members connecting said rim to said mount structure;

a latch member attached to said rim having a tab and a lock undercut protrusion projecting from said tab configured for engaging an upper portion of a sidewall of said container;

wherein said tab is secured to at least one edge of said skirt at a fracture directing zone; and

wherein said torsion members are in a substantially untwisted state when said lid structure is in a closed position and in a twisted state when said lid structure is in an open position.

Assignments (3)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 13, 2010
From: ZEILER, GEORGE; WEBB, GREGORY L.
To: HUHTAMAKI CONSUMER PACKAGING, INC.
Reel/Frame 024671/0685 →
MERGER Recorded Jul 13, 2010
From: HUHTAMAKI CONSUMER PACKAGING, INC.
To: HUHTAMAKI PACKAGING, INC.
Reel/Frame 024671/0787 →
CHANGE OF NAME Recorded Jul 13, 2010
From: HUHTAMAKI PACKAGING, INC.
To: HUHTAMAKI, INC.
Reel/Frame 024671/0850 →
Continuity (2)
Division 11833752 · Aug 3, 2007
Related Publication 20100270323A1 · Oct 28, 2010