IP Library Granted Patent US 8,056,750
Granted Patent B2
US 8,056,750 · App. 11/879,168 · Granted Nov 15, 2011

Advanced tamper evident bowl

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Quick Facts
Patent No.
US 8,056,750
App. No.
11/879,168
Granted
Nov 15, 2011
Kind
B2
Abstract

A container with a base ( 12 ) and lid ( 14 ), clearly indicates if the lid has been opened after a clerk loaded food into the base and closed the lid. The base and lid each has a respective lid tab and a base tab, with one tab forming a slot ( 26 ) and the tab other projecting through the slot, and with the base tab forming a barrier wall ( 80 ) that lies over the lid tab. One of the tabs has a weakened severable line ( 90, 92 ) that can be torn to allow the lid tab to be lifted to open the container.

Claims (9)

1. A container having a base and a lid formed of plastic sheeting which has been deformed, wherein:

the base and the lid are centered on a vertical axis and the base and the lid each has a trapping section and an opening section generally perpendicular to the vertical axis, the trapping section of the base having a trapping wall that allows the trapping section of the lid to be pushed down to an installed position and then resists the trapping section of the lid from being pulled up;

the opening section of the lid comprises a lid tab having a slot and an outer tab wall at the top of the slot;

the opening section of the base comprises a base tab that lies in the slot above said outer tab wall, wherein the lid tab cannot be pulled up without removing the outer tab wall from a location directly below the base tab;

the opening section of the lid further comprises at least one breakable joint line between an inner edge of the slot and a periphery of the outer tab wall, and removal of the outer tab wall from below the base tab requires breaking the joint line.

2. The container of claim 1 , wherein the base tab further comprises a vertical projection.

3. The container of claim 1 , wherein the base tab further comprises a side projection.

4. The container of claim 1 , wherein the lid tab further comprises a tine, wherein the joint line is located between a first side of the tine and the periphery of the outer wall tab.

5. The container of claim 1 , wherein the joint line can be broken by pulling on the tine.

Assignments (4)
SECURITY INTEREST Recorded Apr 2, 2025
From: BLUE RIDGE PAPER PRODUCTS LLC; EVERGREEN PACKAGING LLC; FABRI-KAL LLC; PACTIV LLC; PACTIV PACKAGING INC.
To: WILMINGTON TRUST, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
Reel/Frame 070705/0859 →
CHANGE OF NAME Recorded Nov 16, 2012
From: PWP INDUSTRIES, INC.
To: PACTIV PACKAGING INC.
Reel/Frame 029308/0623 →
SECURITY AGREEMENT Recorded Jan 28, 2011
From: PACTIV CORPORATION; NEWSPRING INDUSTRIAL CORP.; PRAIRIE PACKAGING, INC.; PWP INDUSTRIES, INC.
To: THE BANK OF NEW YORK MELLON, AS COLLATERAL AGENT
Reel/Frame 025712/0153 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 17, 2010
From: VOVAN, TERRY
To: PWP INDUSTRIES (CALIFORNIA CORPORATION)
Reel/Frame 024094/0384 →