Bladder system for reinforcing a portion of a longitudinal structure
US6321793A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 12, 2000 |
| Grant date | Nov 27, 2001 |
| Priority date | — |
| Expiry date | Jun 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.