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Throughout its history Lufkin patented a variety of devices and manufacturing processes. US 149321 , Lufkin, Edward Taylor, "Improvement in Board Measures", issued April 7, 1874 US 272279 , Lufkin, Edward Taylor, "Headed Lumber Rule", issued February 13, 1883
Lufkin is a provider of rod lift products, automated control and optimization equipment and software for rod lift equipment to the oil and gas industry. It was an independent company until being acquired by GE Oil & Gas in July 2013, which later merged with Baker Hughes to create Baker Hughes , a GE Company (BHGE).
In 1970, Starrett took over granite product maker Herman Stone Co., relocating production to a new plant in Mount Airy, North Carolina, in 1985 that also makes saws and measuring equipment. In 1986, Starrett took over the Evans Rule Company, the world's largest tape measure manufacturer, and in 1990 the company bought Sigma Optical, a British ...
For common tape measurements, the tape used is a steel tape with coefficient of thermal expansion C equal to 0.000,011,6 units per unit length per degree Celsius change. This means that the tape changes length by 1.16 mm per 10 m tape per 10 °C change from the standard temperature of the tape.
A tape measure or measuring tape is a long, flexible ruler used to measure length or distance. [1] It usually consists of a ribbon of cloth, plastic, fibreglass, or metal strip with linear measurement markings.
PTFE tape used for different sized fittings PTFE tape for natural gas. There are two US standards for determining the quality of any thread seal tape. MIL-T-27730A (an obsolete military specification still commonly used in industry in the US) requires a minimum thickness of 3.5 mils and a minimum PTFE purity of 99%. [3]
Mean time to repair (MTTR) is a basic measure of the maintainability of repairable items. It represents the average time required to repair a failed component or device. [ 1 ] Expressed mathematically, it is the total corrective maintenance time for failures divided by the total number of corrective maintenance actions for failures during a ...
Durability measures the length of a product’s life. When the product can be repaired, estimating durability is more complicated. As well The item will be used until it is no longer economical to operate it. This happens when the repair rate and the associated costs increase significantly.