Patent · US Expired

Compression molding of structures

US5427731A · kind A · utility

6Cited by
13References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 25, 1994
Grant dateJun 27, 1995
Priority date
Expiry dateJan 25, 2014

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB29C43/52
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A process for compression molding a fiber reinforced thermoplastic resin article that includes subjecting the fiber reinforced resin material to heat and pressure to form the article, then directionally cooling the mold sequentially from bottom to top to provide a thermal gradient suitable for creating directional solidification of the material.

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