E - Fixed Constructions – 02 – F
Patent
E - Fixed Constructions
02
F
E02F 5/22 (2006.01) B02C 21/02 (2006.01) B07B 1/00 (2006.01)
Patent
CA 2167124
A pipeline padding machine is provided comprising a crushing mechanism for crushing large pieces of excavated material into smaller pieces of material that are suitable for use in padding a pipeline or underground cable. In preferred embodiments, the crusher comprises two parallel rollers that are arranged with a selected gap between them. The rollers are driven toward each other, such that excavated material that is fed onto the rollers is drawn into the gap, and pieces that are too large to fall through the gap are crushed by the rollers. The crusher mechanism may be installed on a known type of padding machine, preferably at the end of the transverse conveyor over the trench. Alternatively , the crusher may be mounted on the padding machine frame. The output material from the crusher may be screened or otherwise processed, or it may be delivered directly to the trench.
Cronk Thomas J. Jr.
Hudson Ray E.
Cronk Thomas J. Jr.
Gowling Lafleur Henderson Llp
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