Stamp molded paraffin scraper
AssigneePhillips Petroleum Company
InventorsJohn H. Walker, Harold V. Wood
Life of this patent
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Abstract
A pair of substantially identical half-sections adapted to be wedged around a rod in locked position with the half-sections stamp molded from a prepreg formed by surrounding at least one fiber mat of inorganic reinforcing material with a matrix of PPS to produce a prepreg containing from about 15 to about 45 weight percent of the inorganic reinforcing material.
Claims7
A rod guide, suitable for field installation, comprising a pair of substantially identical half-sections adapted to be wedged around a rod in locked position, said half-sections stamp molded from a prepreg containing from about 15 to about 45 weight percent of an inorganic reinforcing agent, formed by surrounding at least one inorganic material fiber mat with a matrix of poly(phenylene sulfide).
Dependencies are inferred from the claim text.