Containerized pipe coating material

Details Containerized pipe coating material Containerized pipe coating material

1979-02-12

1980-07-22

Dixson, Jr., William T.

Special receptacle or package

For tacky material

206525, 206819, 2065246, B65D 8100, B65D 8500

Patent

active

042135303

ABSTRACT:
An improved containerized pipe coating including coating material and the container therefor is the subject of the present invention. 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 containerized material is placed in a chopper where it is reduced in size. The chopped mixture of particles are then melted and stirred until a relatively even mixture of a flowable liquid is presented. The mixture has enhanced physical properties as a coating material.

REFERENCES:
patent: 2352865 (1944-07-01), Smith
patent: 2572959 (1951-10-01), Sparks et al.
patent: 2762504 (1956-09-01), Sparks et al.
patent: 2791327 (1957-05-01), Sparks et al.
patent: 3362575 (1968-01-01), Fotos
patent: 3419258 (1968-12-01), Ritche
patent: 3902596 (1975-09-01), McVay

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