Patent · US Expired

Roll-wrapping apparatus and method

US4432187A · kind A · utility

7Cited by
18References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 5, 1981
Grant dateFeb 21, 1984
Priority date—
Expiry dateNov 5, 2001

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB65B61/202
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

A roll-wrapping apparatus and method where rolls are wrapped with an envelope of heat-shrink plastic film with a label positioned between the envelope and roll and electrostatically bonded to the film. The bond prevents misalignment of the label prior to heat shrinking of the film onto the roll.

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