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A roller-cone bit is a drill bit used for drilling through rock that features 2 or 3 abrasive, spinning cones that break up rock and sediment as they grind against it. Roller-cone bits are typically used when drilling for oil and gas . [ 1 ]
The company was established in December 1908 [1] as Sharp-Hughes Tool Company when Howard R. Hughes Sr. patented a roller cutter bit that dramatically improved the rotary drilling process for oil drilling rigs. He partnered with longtime business associate Walter Benona Sharp to manufacture and market the bit.
Howard Robard Hughes Sr. (September 9, 1869 – January 14, 1924) was an American businessman and inventor who founded the Hughes Tool Company.He invented the "Sharp–Hughes" two-cone rotary drill bit during the Texas Oil Boom.
If the idea of a reusable pet-fur-specific lint roller isn't enticing enough, this contraption is on sale for just $15 right now during all of the Black Friday Amazon deals.Just be sure to select ...
A photographer has designed unique "cones of shame" to help dogs feel fabulous while they heal. Photographer Winnie Au published a book of her photographs featuring dogs wearing her new take on ...
An Elizabethan collar, E collar, pet ruff or pet cone (sometimes humorously called a treat funnel, lamp-shade, radar dish, dog-saver, collar cone, or cone of shame) is a protective medical device worn by an animal, usually a cat or dog. Shaped like a truncated cone, its purpose is to prevent the animal from biting or licking at its body or ...