Road structure – process – or apparatus – Apparatus – Material distribution means
Patent
1981-12-04
1985-03-05
Novosad, Stephen J.
Road structure, process, or apparatus
Apparatus
Material distribution means
404118, 74836, E01C 1938
Patent
active
045028133
ABSTRACT:
The asphalt laying machine comprises a rear body divided into sections with smoothing and compacting units suspended through vibration dampers in the frame. Each unit comprises an intermediate part and a smoothing part interconnected by means of a rear shaft bearing and a front connecting rod connected to an eccentric. By virtue of this interconnection an elliptical movement is transferred to the smoothing part during operation of the machine, and this movement produces a heavy tamping at the front edge, a smoothing and vibrating effect at the intermediate area of the ironing plate, and a succeeding tamping and polishing effect at the rear edge area. The tamping foot of a scraper plate suspended on the intermediate part tamps laid asphalt synchronously in opposition to the tamping plate of the ironing plate by virtue of reaction forces transferred through the intermediate part. During the operation of the machine, the smoothing and compacting unit ensures an unusually densely compacted and uniform surface of the asphalt.
REFERENCES:
patent: 2138828 (1938-12-01), Barber
patent: 2351592 (1944-06-01), Barber
patent: 3316821 (1967-05-01), Davin
patent: 3396642 (1968-08-01), Martinson
patent: 3838933 (1974-10-01), Lehman et al.
patent: 4249424 (1981-02-01), Glazier
patent: 4313690 (1982-02-01), Hojbjerg
patent: 4343568 (1982-08-01), Kaltenegger
patent: 4345852 (1982-08-01), Goto
A/S Phonix, Tagpap og Vejmaterialer
Del Signore Mark J.
Novosad Stephen J.
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