Road structure – process – or apparatus – Apparatus – Screed or drag
Patent
1988-06-16
1989-09-12
Novosad, Stephen J.
Road structure, process, or apparatus
Apparatus
Screed or drag
404119, E01C 1922
Patent
active
048654876
ABSTRACT:
A screed for an asphalt paver in which the bottom plate thereof is made of steel in the Brinell hardness range of 450-500 to engage road surfacing material. Stainless steel threaded studs are welded to the upper surface of the bottom plate for attachment of the screed to the asphalt paver.
REFERENCES:
patent: 2914994 (1957-03-01), Pollitz
patent: 3673930 (1972-07-01), Birtchet
patent: 3702578 (1972-11-01), Davin
patent: 4688965 (1987-08-01), Smith
Barber-Green Specifications Manual, p. 6842 dated 10-67, Model SA-35.
Kenco Engineering, Inc.
Novosad Stephen J.
Spahn Gay Ann
Wiseman Jack M.
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