A disposal container comprising a generally rectangular body portion defining a receptacle with an open top bounded by a rim, and a lid member which is slidably and engagingly mounted over the top of the rim of the container body. The lid member is secured to the container body using a tamper evidencing...http://www.google.com.au/patents/US5117997?utm_source=gb-gplus-sharePatent US5117997 - Disposal container and transport case for infectious and hazardous waste material
