Peelable seal

• US 7,175,614 B2
• Filed: 10/17/2002
• Issued: 02/13/2007
• Est. Priority Date: 10/17/2002
• Status: Expired due to Fees

• Current Assignee: Baxter Healthcare SA (Baxter International Inc.), Baxter International Inc.
• Original Assignee: Baxter Healthcare SA (Baxter International Inc.), Baxter International Inc.
• Inventors: Balteau, Patrick, Gollier, Paul-Andre, Peluso, Francesco, Houwaert, Vincent
• Primary Examiner(s): FIDEI, DAVID
• Application Number:
  US10/273,825
• Publication Number:
  US 20040078023A1
• Time in Patent Office: 1,580 Days
• Field of Search: 206/219, 206/221, 206/222, 206/469, 383/210, 383/211, 604/87, 604/89, 604/408, 604/410, 604/416
• US Class Current: 604/410
• CPC Class Codes: A61J 1/10 Bag-type containers
• CPC Class Codes: A61J 1/2024 having peelable seals
• CPC Class Codes: A61J 1/2093 Containers having several compartments for products to be mixed
• CPC Class Codes: B65D 81/3266 separated by a common rupturable seal, a clip or other removable fastening device

Abstract

The present invention provides a peelable seal for a multi-chambered container including a first edge and a second edge. At least one of the first edge or second edge includes a stress bearing portion and a non-stress bearing portion.

Claims

1. A multichambered container comprising:

a first sidewall and a second sidewall, the first sidewall and second sidewall sealed along a common periphery;

a first peelable heat seal having opposing outer edge portions, the first peelable heat seal substantially coextensive with a second peelable heat seal along a common length, the seals connecting the first sidewall and second sidewall to form chambers in the container, the second peelable heat seal disposed between the outer edge portions;

the first peelable heat seal having a first peel force and the second peelable heat seal having a second peel force; and

wherein the first peel force is less than the second peel force.

2. The container of claim 1 wherein each peelable heat seal extends between two points on the periphery.

3. The container of claim 1 wherein the first peel force is approximately three times less than the second peak peel force.

4. The container of claim 1 wherein the second peelable heat seal is located in a generally central portion of the first seal.