Patent · US Expired

Process for the manufacture of a composite molded structure, and especially of a ski

US5186777A · kind A · utility

22Cited by
14References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 16, 1990
Grant dateFeb 16, 1993
Priority date
Expiry dateNov 16, 2010

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB29L2031/5263
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

The invention relates to a process for manufacturing a composite molded structure including the steps of: depositing first and second members in a mold; inserting at least one flexible plastic membrane between the first and second members so as to form a sheath when the mold is closed; closing the mold; injecting into the sheath reactants intended to react to form a foam which expands in situ and stretches the sheath until it forces the members flat against the walls of the mold; cooling the contents of the mold; and opening the mold to withdraw the composite molded structure.

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