Patent · US Expired

Bladder system for reinforcing a portion of a longitudinal structure

US6321793A · kind A · utility

87Cited by
116References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 12, 2000
Grant dateNov 27, 2001
Priority date
Expiry dateJun 12, 2020

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB29C70/745
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A bladder system and method for reinforcing at least a portion of a structural member, including a flexible barrier member for dividing at least a portion of the structural member being reinforced into one or more sections; and a reinforcement material for filling one or more sections bounded by the flexible barrier member. The reinforcement material filling one or more sections of the structural member can be a pumpable polymeric material, and the flexible barrier member can be a polymeric material.

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