DADCO, Inc. Patent applications |
Patent application number | Title | Published |
20140265070 | Overtravel Pressure Relief For A Gas Spring - A piston rod housing assembly for a gas spring includes a piston rod housing having an interior end, an exterior end axially spaced from the interior end, and an overtravel pressure relief passage extending axially through the piston rod housing and intersecting the exterior end. The assembly also includes an overtravel pressure relief member carried in the overtravel pressure relief passage and having an exterior end that projects axially beyond the piston rod housing. | 09-18-2014 |
20140191452 | Gas Spring and Overpressure Relief and Fill Valve Assembly - A gas spring includes a fill valve, and a rupture disc carried by the fill valve. An overpressure relief and fill valve assembly includes a valve housing with a valve passage, the fill valve carried by the valve housing and including a valve stem extending into the valve passage and an overpressure relief passage extending through the fill valve, and a rupture disc carried by the fill valve in communication with the overpressure relief passage. A gas spring may include the valve assembly therein. | 07-10-2014 |
20140191451 | Gas Spring and Overpressure Relief Plug - An overpressure relief plug including a rupture disc and engaging a fill valve in series downstream fluid communication with respect thereto. A gas spring may include a fill port, and the overpressure relief plug and the fill valve in the fill port. | 07-10-2014 |
20140069164 | Toe Clamp, and Related Manufacturing Method, Clamping Arrangement, and Fixture - Toe clamps generally shaped like hollow cylinder sectors or ring segments, methods of manufacturing such toe clamps, a toe clamping arrangement including such toe clamps, and a fixture for use in manufacturing such toe clamps. | 03-13-2014 |
20130207326 | Gas Spring and Gas Spring Components - A gas spring for forming equipment, a piston rod for the gas spring, and a shock collar for the gas spring carried by the piston rod. The shock collar may be resiliently flexible, and plastically deformable so as to at least partially collapse, and the piston rod may include features to disrupt a gas spring seal upon at least partial collapse of the shock collar. | 08-15-2013 |
20130187316 | Gas Spring - A gas spring for forming equipment, including a piston received at least partially in a cylinder for reciprocation between extended and retracted positions, and including a throttling passage disposed between the piston and the cylinder in fluid communication between first and second pressure chambers during at least a portion of the reciprocation of the piston. The throttling passage is of variable cross-sectional area, which varies with a length of the passage to at least partially restrict gas flow therethrough in a manner varying with return of the piston toward its extended position to decelerate the piston at a predetermined rate. | 07-25-2013 |
20110192206 | GUIDE AND RETENTION ASSEMBLY FOR A DIE SET - A guide and retention assembly for spaced apart confronting plates of a die set for guiding the plates for relative reciprocal movement toward and away from the other. The assembly includes a housing with a mounting flange and a sleeve with a through bore, and a rod extending through the bore and slidably received in at least one bushing in the sleeve. | 08-11-2011 |
20100083726 | REACTION DEVICE FOR FORMING EQUIPMENT - An apparatus may have a cylinder including a piston rod and a chamber in which a working fluid is received to resist movement of the piston rod into the chamber, and an accumulator having a first chamber in communication with the cylinder chamber to receive fluid from the cylinder chamber upon movement of the piston rod into the cylinder chamber. The apparatus may also have a pressure controller having a fluid chamber where some of the working fluid may be received and an actuator operable to increase the volume of the fluid chamber when the piston rod is retracted into the cylinder chamber to increase the total volume in which the working fluid may be received, wherein the increased volume of the fluid chamber may accommodate fluid movement in the assembly not caused by movement of the piston rod. | 04-08-2010 |