BACK RELIEF

Brand	Owner	Address	Description
BACK WELL	Swezey, Robert L.	1328 16th Street Santa Monica CA 90404	back relief, neck relief, osteoposis, and posture fitness products, namely, medical ice packs (or chemically activated cold packs), hot packs, and lumbar (and/or cervical) support pillows and devices;BACK;
	Where the owner name is not linked, that owner no longer owns the brand

Technical Examples

Disclosed is a relief valve, in which a flow rate of hydraulic fluid is not greatly changed even when temperature is changed, and thus providing smooth operation and preventing foreign materials contained in the hydraulic fluid from being introduced into the relief valve. The relief valve is comprised of a sleeve provided with a high-pressure inlet and a tank fluid channel; a main poppet provided with an inflow fluid passage and a back pressure chamber; an annular fluid passage provided on a front end of the main poppet; a seat provided with a seat fluid channel communicating with the back pressure chamber; and a pilot poppet communicating the seat fluid channel with the tank fluid channel.