Easy open feature for reclosable bags having a longitudinal fin seal

US7261468B2 · kind B2 · utility

Assignee

• ILLINOIS TOOL WORKS INC. · US

Inventors

• John H. Schneider · Frankfort, US
• Nigel Knight · Kankakee, US
• Stanley Piotrowski · Schiller Park, US
• Patricia I. Norek · Manteno, US
• Jeffrey Griffin · Lansing, US
• David Matthews · Lindon, US

Key dates

• Filing date: Jun 27, 2005
• Grant date: Aug 28, 2007
• Expiry date: Aug 4, 2025

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B65D33/2533
• WIPO field: Handling
• WIPO sector: Mechanical engineering

Abstract

A reclosable plastic bag (38) having a fin seal (35) which provides a weakness area (23, 80, 81, 84, 86) that extends into at least one side of the fin seal (35). Perforation axes (19, 20) for opening the reclosable plastic bag (38) may be aligned with the weakness area (23, 80, 81, 84, 86). A method of making the bag is also disclosed.