Sucker rod
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United States of America Patent
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Nov 27, 1984
Grant Date -
N/A
app pub date -
Sep 30, 1981
filing date -
Sep 30, 1981
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A stronger, lighter sucker rod formed from cold-drawn medium to high carbon steel composed of three basic components which provide versatility in forming the sucker rod. A sucker rod is disclosed which is formed of machined, cold-drawn steel elements. The construction of the sucker rod significantly increases the resistance of the rod to metal fatigue and yields a rod which is smaller in diameter and lighter in weight than an equivalent strength rod made from hot rolled or heat treated steel metal stock.
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