Padding machines
USRE34289E · kind E · reissue
10Cited by
15References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 13, 1990 |
| Grant date | Jun 22, 1993 |
| Priority date | — |
| Expiry date | Aug 13, 2010 |
Classification
- Technology area (CPC —)General
Abstract
A padding machine is provided for angularly variable attachment to a mobile ground carrier having a hopper into which soil is placed, a vibratory feeder and screen receiving soil from the hopper, a chute receiving screened soil from the vibratory screen and feeder to deliver the same as padding on a pipeline within a ditch and a power source driving he vibratory feeder and screen.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.