Pneumatic lift pad
US4372533A · kind A · utility
10Cited by
5References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 12, 1982 |
| Grant date | Feb 8, 1983 |
| Priority date | — |
| Expiry date | Mar 12, 2002 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66F3/35
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A pneumatic pad comprises reinforcement fabrics of parallel cords pre-formed to a specific radius through the edges of the pad and press-molded to a very flat pre-pressurized configuration. At least two orthogonally oriented reinforcement fabrics are embedded in elastomer and have lapped ends positioned in opposite covers of the pad such that each cover comprises at least three cord reinforcement plies two of which are oriented orthogonally with respect to the other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.