Chemistry of carbon compounds – Miscellaneous organic carbon compounds
Patent
1976-07-23
1978-02-14
Marquis, Melvyn I.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
2065247, 526348, 526351, 526352, C08L 9100
Patent
active
040737608
ABSTRACT:
A method of providing asphalt base coating material for pipe and a novel container for holding the coating material are the subject of the present application. An asphalt coating material comprising 10% to 25% by weight asphalt and 75% to 90% by weight sand-lime aggregate is used to coat the weld joints of pipe previously coated with similar material along its length for corrosion protection. The weld joint coating material is delivered to a coating station in easy to handle small size containers. The containers comprise no more than about 5% of the weight of the material contained thereby and are constructed primarily from a material containing at least one of the members of the group consisting of polyethylene, polypropylene and polyethylene-polypropylene copolymer. The containers are placed in a chopper where they are reduced in size along with the coating material. The chopped mixture of particles are then melted and stirred until a relatively even mixture of a flowable liquid is presented.
REFERENCES:
patent: 2918940 (1959-12-01), Carr
patent: 3853800 (1974-12-01), Haberl
Harris Robert J.
Sikes Gail T.
H. C. Price Co.
Marquis Melvyn I.
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