Abstract:
An improved arrangement for removably coupling a replaceable cartridge (13) to a housing of a dispenser (10) with the cartridge carrying a piston pump with a movable piston element (57) to be coupled on insertion with an actuator plate(32) of the housing. A ramp mechanism is provided on the actuator plate to engage the piston element and during insertion of the cartridge into the housing move the piston element to a position relative the actuator plate which facilitates proper coupling including a resilient member (67) which prevents radial movement relative a catch member (100) of the housing from a coupled orientation unless the resilient member is deflected from an unbiased inherent configuration.
Abstract:
A piston pump which permits advantageous operation over both short stroke piston movement and long stroke piston movement by variation of the piston chamber length.
Abstract:
An improved arrangement for removably coupling a replaceable cartridge (13) to a housing of a dispenser (10) with the cartridge carrying a piston pump with a movable piston element (57) to be coupled on insertion with an actuator plate(32) of the housing. A ramp mechanism is provided on the actuator plate to engage the piston element and during insertion of the cartridge into the housing move the piston element to a position relative the actuator plate which facilitates proper coupling including a resilient member (67) which prevents radial movement relative a catch member (100) of the housing from a coupled orientation unless the resilient member is deflected from an unbiased inherent configuration.
Abstract:
A method of controlling operation of a mechanism, preferably a dispenser (10), having a removable component (12) comprising the steps of measuring electromagnetic radiation passing through a waveguide (53) carrying at least in part on the removable component and permitting operation of the mechanism only when the measured electromagnetic radiation corresponds with one or more pre-selected parameters. Preferably, the method involves directing emitted electromagnetic radiation with pre-selected input parameters selected from a plurality of input parameters.
Abstract:
The present invention provides a positive displacement rotary vane mixing pump with an air inlet and an inlet for foamable fluid and an outlet from a discharge sector of the pump for discharging a mixture of air and liquid to a foam generator.
Abstract:
A urinal discharge pipe assembly comprising a discharge pipe (18) having a passageway therethrough from an inlet in communication with a urinal discharge outlet and an outlet in communication with a urine disposal system, a foam dispensing device (50) having a foam outlet open into the passageway for discharge of an allotment of foam into the passageway between the inlet and the outlet adequate to form a temporary foam plug across the passageway blocking the passageway.
Abstract:
A dispensing system (10) comprising: a reservoir containing material to be dispensed, the reservoir having an outlet opening for dispensing of material therefrom, an outlet member secured to the outlet opening substantially against removal from the reservoir, the reservoir aside from the outlet opening not having another opening by which material can be passed; the outlet member having a circumferential portion which extends circumferentially entirely about the outlet opening, wherein a waveguide (64; 184; 200) is carried on the outlet member, the waveguide having an inlet (62) and outlet (63) and providing a path for transmission of electromagnetic radiation from the inlet (62) to the outlet (63), a section of the circumferential portion of the outlet member forming a portion of the waveguide (64; 184; 200) which extends circumferentially about the outlet opening, the waveguide (64) including a frangible portion (220) wherein breaking of the frangible portion (220) changes the transmission characteristics of the waveguide (64; 184; 200), the frangible portion (220) comprising a portion of the section of the circumferential portion of the outlet member, wherein removal of the outlet member from the reservoir severs the frangible portion (220).
Abstract:
A method of controlling operation of a mechanism, preferably a dispenser (10), having a removable component (12) comprising the steps of measuring electromagnetic radiation passing through a waveguide (53) carrying at least in part on the removable component and permitting operation of the mechanism only when the measured electromagnetic radiation corresponds with one or more pre-selected parameters. Preferably, the method involves directing emitted electromagnetic radiation with pre-selected input parameters selected from a plurality of input parameters.
Abstract:
An improved arrangement for removably coupling a replaceable cartridge to a housing of a dispenser with the cartridge including a resilient member which prevents radial movement relative a catch member of the housing from a coupled orientation unless the resilient member is deflected from an unbiased inherent configuration.