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By 1879 Twyford had devised his own type of the "wash out" trap water closet; he titled it the "National", and it became the most popular wash-out water closet. [57] Flush toilets were widely available from the mid to late 19th century. Although Thomas Crapper did not invent the flush toilet, he was a leading manufacturer.
In 1888, he applied for a patent protection for his "after flush" chamber; the device allowed for the basin to be refilled by a lower quantity of clean water in reserve after the water closet was flushed. [1] In 1887, Twyford exhibited in a catalogue the after flushing reservoir chamber in a previous basin trap water closet.
In plumbing, a trap is a U-shaped portion of pipe designed to trap liquid or gas to prevent unwanted flow; most notably sewer gases from entering buildings while allowing waste materials to pass through. In oil refineries, traps are used to prevent hydrocarbons and other dangerous gases and chemical fumes from escaping through drains.
Around that time, Harington also devised England's first flushing toilet – called the Ajax (i.e., a "jakes", then a slang word for toilet). It was installed at his manor in Kelston. This forerunner to the modern flush toilet had a flush valve to let water out of the tank, and a wash-down design to empty the bowl.
He improved the S-bend plumbing trap in 1880 by inventing the U-bend. The firm's lavatorial equipment was manufactured at premises in nearby Marlborough Road (now Draycott Avenue). The company owned the world's first bath, toilet and sink showroom in King's Road. Crapper was noted for the quality of his products and received several royal warrants.
The flushing trough was developed by Adamsez Limited and a patent was issued to MJ Adams in 1912 for a flushing trough that used the bell siphon flushing system. [1] A further patent was issued in 1928 to AH Adams for a flushing trough that used the plate siphon mechanism, [2] marketed as the 'Epic'. Advertisements by Adamsez stated that 25,000 ...
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