Collapsible bag for dispensing liquids and method

US6607097B2 · kind B2 · utility

Assignee

• Scholle Corporation · US

Inventors

• Chester Savage · Irvine, US
• Kenneth Micnerski · Grayslake, US
• Richard Carroll · Tustin, US
• Nancy Lu · Irvine, US
• Richard L. Albiani · Westchester, US
• Rocklin Verespej · San Clemente, US

Key dates

• Filing date: Mar 25, 2002
• Grant date: Aug 19, 2003
• Expiry date: Mar 25, 2022

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B65D2231/002
• WIPO field: Handling
• WIPO sector: Mechanical engineering

Abstract

A collapsible bag for dispensing liquids which includes at least one sheet sealed to define an enclosure and a fitment (spout) attached to the enclosure and out through which liquid in the enclosure is dispensed. An interior surface of the one or more sheets has integral texture to assist in withdrawal of the liquid from the enclosure when collapsed. The texture can be provided by sheet surfaces that are mechanically or ultrasonically embossed or are bubble-cushioned or which have sealed pleats or accordion folds. The bottom surface of a lower flange of the fitment may have concentric ridges (or spirals) and/or radial grooves. Also disclosed are methods of making the bag from one, two, three or four sheets.