Patent · US Expired

Method and apparatus for stretch wrapping a load

US5941049A · kind A · utility

54Cited by
4References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 24, 1997
Grant dateAug 24, 1999
Priority date
Expiry dateMar 24, 2017

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB65B11/045
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

A leading end of packaging materials placed in a retainer to hold the leading end of the packaging material in the retainer. Packaging material is dispensed from a packaging material dispenser, and relative rotation is provided between the dispenser and a load to wrap packaging material around the load. The packaging material is automatically released from the retainer in response to force applied by packaging material wrapped around the load, or other unpowered actuation.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.