Patent · US Expired

Process for stamping detergent bars

US6652792B1 · kind B1 · utility

5Cited by
19References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 12, 1997
Grant dateNov 25, 2003
Priority date
Expiry dateSep 12, 2017

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC11D13/28
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

In a device for handling plastic material, such as a stamping device for stamping detergent bars, an elastomeric layer is provided on the handling surface which has good adhesion to the handling surface and good release from the plastic material. The elastomeric layer comprises at least two elastomeric coatings of different properties and/or compositions.

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