Mining or in situ disintegration of hard material – Hard material disintegrating machines – Floor-working
Patent
1978-10-04
1980-01-29
Purser, Ernest R.
Mining or in situ disintegration of hard material
Hard material disintegrating machines
Floor-working
299 18, 404 91, 2411017, E01C 2308
Patent
active
041858751
ABSTRACT:
An apparatus for crushing fragments of asphalt removed from a roadway by a paved roadway planing apparatus includes a grid upon which the fragments are deposited and a crushing tool having a plurality of cutting bits mounted on a rotating drum for movement along circular paths intersecting the grid. The crushing apparatus can be towed behind the paved roadway planing apparatus to receive the asphalt removed from the roadway from the paved roadway planing apparatus and to redeposit the crushed fragments on the roadway.
REFERENCES:
patent: 2368331 (1945-01-01), Seaman
patent: 2905456 (1959-09-01), Rafferty et al.
patent: 3510073 (1970-05-01), Mailliard
patent: 3843274 (1974-10-01), Gutman et al.
patent: 4139318 (1979-02-01), Jakob et al.
Steele Thomas L.
Swisher, Jr. George W.
CMI Corporation
Purser Ernest R.
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