B - Operations – Transporting – 05 – B
Patent
B - Operations, Transporting
05
B
222/78
B05B 11/00 (2006.01) B05B 9/08 (2006.01)
Patent
CA 1078796
Abstract of the Disclosure: A refillable hand-operated liquid sprayer of the type which requires no container pressurizing gas nor other foreign propellant. It operates to pump a small quantity of liquid to be sprayed from a container to small cylindrical chamber wherein the liquid is pressurized by the force of a coiled spring which is stressed during "cocking" stroke preparatory to spraying the liquid from the device. A cover unit is removably mounted on the open end of the container, and a spray head is rotatably mounted on the cover unit, the rotation of the head relative to the unit causing the spring to be compressed thereby sucking liquid up from the container into the chamber. A hollow stem made of rigid material such as metal or hard plastic is provided for communicating the chamber with a discharge valve and also serving as a guide for a piston which moves vertically within the cylindrical chamber. With this arrangement, there is little likelihood that the stem is caught in the spring thereby hindering further compression of the spring or resulting ? severance of the stem. as is frequently the case with previous flexible hollow tube.
166651
Kishi Takao
Nozawa Takamitsu
LandOfFree
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