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After they made further improvements to the oil impregnation and sintering technologies, they received a patent for their lube-free roller chain, as evidenced by Patent #JP20070237969. [5] In the new design, advancements in powder metal bush technology allowed engineers to design a bush that had a smaller diameter yet was stronger, which ...
By the 1890s, Valvoline oil was associated with winning race cars. [8] During the early 20th century, Valvoline was the recommended motor oil for the Ford Model T. [4] In 1949, Ashland Inc. purchased the Freedom-Valvoline Company. [9] By 2016, Ashland's Valvoline subsidiary accounted for about 37% of the parent company's annual revenue. [4]
Dry lubricants or solid lubricants are materials that, despite being in the solid phase, are able to reduce friction between two surfaces sliding against each other without the need for a liquid oil medium. [1] The two main dry lubricants are graphite and molybdenum disulfide. They offer lubrication at temperatures higher than liquid and oil ...
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Consumer prices were up 2.7% for the 12 months ended in November, moving higher from the 2.6% annual increase seen in October and marking the highest annual rate since July, according to the ...
Mom Allegedly Smothered 2 Young Children with “Lilo & Stitch” Blanket, Then Left Chilling Notes Explaining Why
The Supreme Court appeared poised Tuesday to significantly weaken the scope of environmental reviews of major infrastructure projects in a case that could hand President-elect Donald Trump an ...
WD-40's formula is a trade secret. [17] The original copy of the formula was moved to a secure bank vault in San Diego in 2018. [18] To avoid disclosing its composition, the product was not patented in 1953, and the window of opportunity for patenting it has long since closed.
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