Abstract: A sewage drain receptacle for underground sewage systems for campgrounds or RV parks that includes a hose resting seat coupled to the top orifice of a drain line and a sewage cap for closing the top orifice. The hose resting seat extends along a portion of the length of the drain line and serves to cradle a bottom of a sewage hose so that it is prevented from being lodged into the sewage system.

Abstract: A coolant delivery method and apparatus comprising a high and low pressure pump for providing high and low pressure coolant flow through a common conduit to a coolant orifice of a cutting tool of a machine tool or a nozzle of a workpiece flushing station. The high pressure pump has a cylinder with a reciprocable piston operably coupled to a drive for moving the piston to discharge coolant under high pressure to the cutting tool while a workpiece is machined by the tool. A one-way flow valve in the conduit permits coolant flow from the low pressure pump to reach the cutting tool as well as the high pressure pump cylinder to recharge the cylinder with coolant while the high pressure pump is not discharging coolant. Cutting tool failure as well as an orifice obstruction is detected by monitoring coolant flow from the high pressure pump during each machining cycle of machine tool operation.

Abstract: An environmentally safe monitoring well cap has a base and a hingely rotatable cap attached to the base. The base includes a coupling section which fits around the monitoring well casing and the coupling sections includes a ledge having an O-ring position thereagainst for contacting the top of the casing to provide a fluid seal. In addition, a flange extends outward from the bottom of the base section and is encased in grout to prevent the removal of the cover. The cap rotates about hinges from base to cover the top of the base. A ridge and O-ring are provide for the cap to seat against the base to provide a fluid tight seal. In addition, a rotating locking member is provided to permit the cap to be locked in place and to be held under tension against the upper O-rings.