Patent · US Expired

Method of manufacturing a molded article having good dimensional stability

US4717624A · kind A · utility

20Cited by
5References
29Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 22, 1985
Grant dateJan 5, 1988
Priority date
Expiry dateNov 22, 2005

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31909
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A laminated sheet comprises a first layer of a melt-phase anisotropy exhibiting thermoplastic polymer, having a negative linear expansion coefficient in the direction of the polymer flow and a second layer having a positive linear expansion coefficient in the direction of the polymer flow, both layers having been laminated one on another in the alternative way, further each layer having a thickness such that the negative linear expansion coefficient of said first layer and the positive linear expansion coefficient of the second layer having been offset against each other.

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