Patent · US Expired

Molten asphalt spray mechanism

US4448352A · kind A · utility

2Cited by
5References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 15, 1982
Grant dateMay 15, 1984
Priority date
Expiry dateMar 15, 2002

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE01C19/174
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A manually manipulatable spray mechanism for connection to a supply apparatus having a source of molten asphalt under pressure for applying a sprayed coating of molten asphalt on selected areas of a paved surface. The spray mechanism is configured so that its asphalt spray pattern may be adjusted to suit the job being accomplished, and, to provide for recirculatingly returning the molten asphalt to the supply apparatus when the spray mechanism is in the inoperative or stand by state.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.