Patent · US Expired

Method for covering with cylindrically shaped heat-shrinkable film

US4439258A · kind A · utility

3Cited by
3References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 13, 1982
Grant dateMar 27, 1984
Priority date
Expiry dateMay 13, 2002

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G5/147
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

The present invention relates to a method for covering a substrate with a cylindrically shaped heat-shrinkable film, particularly to a method for covering a cylindrically shaped heat-shrinkable film so as to fit the contour of a substrate by conducting the heat treatment in multiple steps at different temperatures.

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