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In October 1993, toilet fixture manufacturers reported rapid degradation of flush valve flappers; some new, water-saving toilets (introduced to meet a 1994 US federal water conservation deadline [10]) were leaking within months of installation. The growing popularity of in-tank drop-in cleaning tablets quickly drew suspicion as many contain ...
A flush toilet (also known as a flushing toilet, water closet (WC); see also toilet names) is a toilet that disposes of human waste (i.e., urine and feces) by collecting it in a bowl and then using the force of water to channel it ("flush" it) through a drainpipe to another location for treatment, either nearby or at a communal facility.
When the handle of a flush toilet with a tank (British, cistern) is turned, a discharge mechanism is activated by means of a rod or chain. The mechanism may be a flapper valve, which is designed to sink more slowly than the water - allowing the water to exit to the toilet bowl below, so that the tank may empty.
Thomas Crapper was born in Thorne, West Riding of Yorkshire, in 1836; the exact date is unknown, but he was baptised on 28 September 1836.His father, Charles, was a sailor.
Initial problems with in-tank cleansers damaging toilet flappers, allowing water to leak into the bowl, were addressed by adding new durability and marking requirements for flappers to the ASME A112.19.5 standard in 2005. [4]
Injuries can also be caused by pinching due to splits in plastic seats and/or by splinters from wooden seats, or if the toilet itself collapses or shatters under the weight of the user. Older high-tank cast-iron cisterns have been known to detach from the wall when the chain is pulled to flush, causing injuries to the user. [3]
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