Patent · US Expired

Method for forming a skin foam article

US4900489A · kind A · utility

9Cited by
20References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 29, 1988
Grant dateFeb 13, 1990
Priority date
Expiry dateAug 29, 2008

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S264/14
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A method is provided for producing an integral skin foam article made up of a skin, foam and core member. According to the method, an expanded layer which is of the same material as the skin is formed on the back of the skin prior to forming the article.

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