Stress crack resistant bottle

US6464106B1 · kind B1 · utility

Assignee

• Lever Brothers Company, division of Conopco, Inc. · US

Inventors

• Edward John Giblin · Hopatcong, US
• Arnold Brown · Owings Mills, US
• Suzanne Benigni · Westfield, US
• Jeannine Griffiths · Tannersville, US
• Gregory A. Lathrop · Southbury, US

Key dates

• Filing date: Dec 31, 1996
• Grant date: Oct 15, 2002
• Expiry date: Jun 27, 2017

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/1352
• WIPO field: Handling
• WIPO sector: Mechanical engineering

Abstract

Improved bottles for dispensing liquid household products such as liquid detergents and fabric softeners. The package is comprised of a multilayer body in which the inner layer includes polyethylene made with a metallocene catalyst. The bottles have improved stress cracks resistance yet may be lighter then traditional bottles. They may be made by blow molding.