Tar heating and spraying apparatus

Details Tar heating and spraying apparatus Tar heating and spraying apparatus

1999-08-26

2001-10-16

Scherbel, David A. (Department: 3752)

Fluid sprinkling, spraying, and diffusing

With heating or cooling means for the system or system fluid

Heating means

C239S135000

Reexamination Certificate

active

06302334

ABSTRACT:

FIELD OF THE INVENTION
The present invention relates to an apparatus that applies hot tar to surfaces.
BACKGROUND OF THE INVENTION
At the present time, tar is applied manually using conventional heating systems to keep it melted and then transport the tar to the desired place for its application.
SUMMARY OF THE INVENTION
The present invention permits the application of tar in industrial waterproofing and road asphalting processes at lesser cost and time because tar is applied in a continuous manner thereby preventing the ambient pollution caused by conventional heating methods. The invention also facilitates the use of tar as a waterproofer in areas which are difficult to access in the building industry.


REFERENCES:
patent: 1768485 (1930-06-01), Mack
patent: 3804079 (1974-04-01), Schrader
patent: 3946722 (1976-03-01), Banahan
patent: 3990684 (1976-11-01), Seskin
patent: 4015588 (1977-04-01), Blackwell
patent: 4033328 (1977-07-01), Lohman et al.
patent: 4165192 (1979-08-01), Mellen
patent: 4192288 (1980-03-01), Heller
patent: 4259142 (1981-03-01), Kortepeter
patent: 4265559 (1981-05-01), Mellen
patent: 4553988 (1985-11-01), Shimizu et al.
patent: 5366308 (1994-11-01), Crispino
patent: 5832178 (1998-11-01), Schave
patent: 5974227 (1999-10-01), Schave

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