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| Number | Title | Issue Date |
| 7415862 | Press device In a press device for pressing a slider with a plurality of motors as driving sources, pressing is performed while a slider is kept horizontal even if an eccentric load is applied. In this press device, in the teaching stage, when the eccentric load is to be applied... | 08/26/2008 |
| 7353686 | Press A press comprises a servo motor (6), a ball screw (9), and a roller guide (11) in which machining accuracy is enhanced while reducing the overall size and weight, noise and vibration, and power consumption of the press. ... | 04/08/2008 |
| 7310990 | High-pressure press A high-pressure press includes a pressure vessel surrounded by a force-absorbing press frame. The high-pressure press also includes a detection structure for detecting changes in length of at least one column comprised in the press frame, the changes in length depen... | 12/25/2007 |
| 7196290 | Heat sealer with platen surface temperature sensor and load sensor A heat sealer having a heated platen, a cylinder for reciprocating the platen, a die positioned to be engaged by the platen and a shuttle supporting the die to move the die from a platen-engaging position to a non-engaging position, and a control for controlling the... | 03/27/2007 |
| 7165490 | Press forming method A press forming method is disclosed, wherein press forming can be effected at high speed while maintaining the horizontal state of a slide plate in press-forming a work-piece by a press machine. A press machine is used in which the slide plate is pressed by a plural... | 01/23/2007 |
| 7152444 | Press-forming machine A press forming machine comprising driving shafts for pressing three or more respective pressure points and displacement measuring means for measuring a displacement close to the pressure point. A central driving shaft among the driving shafts has a gap (the slack) ... | 12/26/2006 |
| 7143617 | Press A press forming machines includes displacement measuring means for measuring a displacement between a slide plate and a reference plate. Control means measures a positional displacement of each of the driving sources by using the displacement measuring means in each... | 12/05/2006 |
| 7093536 | Fault tolerant operating method for a cotton packager A fault tolerant operating method for a cotton compactor of a cotton module builder or packager of a cotton harvesting machine, which serves as an alternative to shutting down the compacting process or erratic operation thereof, in the event of indication of a fault... | 08/22/2006 |
| 7086327 | Press forming method A press forming method is disclosed, wherein press forming can be effected at high speed while maintaining the horizontal state of a slide plate in press-forming work by a press machine. A press machine is used in which the slide plate is pressed by a plurality of s... | 08/08/2006 |
| 7059242 | Compactor position sensing for module builder An apparatus and method for cotton module building utilizing one or more augers on a compactor frame movable for compacting cotton in a cotton compacting chamber of the module builder. The auger or augers are rotatable for moving accumulated cotton in opposite direc... | 06/13/2006 |
| 7021208 | Compress and position apparatus The present invention relates to a compress and position apparatus with positioning, orientating functions and providing more uniform pressing force compliantly. The compress and position apparatus comprises a guiding column, a base, a housing, a seat, a annular por... | 04/04/2006 |
| 7007529 | Pressing machine A press forming machine having a slide plate which reciprocates by driving sources between a lower support stand and an upper support plate and has a forming space between the lower support stand and the slide plate. In the press forming machine, a reference plate f... | 03/07/2006 |
| 6810704 | Press forming machine In a press forming machine for pressing a slide plate, which has a movable mold thereon, by using a plurality of driving sources, a control unit is disclosed, in which when offset load is applied on the slide plate, molding can be performed while the slide plate is ... | 11/02/2004 |
| 6790300 | Method and apparatus for bonding substrate plates together through gap-forming sealer material Method and apparatus for registering and bonding upper and lower substrate plates together through a sealer material and in such a way as to form a gap of a predetermined width between the two substrate plates. Registered substrate plates are provisionally pressed t... | 09/14/2004 |
| 6655267 | Slide inclination correcting method and slide inclination correcting apparatus in press machinery Disclosed are a slide inclination correcting method and a slide inclination correcting apparatus in press machinery having a slide drive mechanism disposed in a top area of a press machine for driving a slide via a plurality of points to vertically move i... | 12/02/2003 |
| 6595122 | Slide inclination correcting method and slide inclination correcting apparatus in press machinery Disclosed are a slide inclination correcting method and a slide inclination correcting apparatus in press machinery having a slide drive mechanism disposed in a top area of a press machine for driving a slide via a plurality of points to vertically move i... | 07/22/2003 |
| 6526879 | Press A press for fabrication of building components including: an upper platen; a lower platen; the upper platen and/or lower platen movable towards and away from the other; a first and second hydraulic device located on a base, each hydraulic device including... | 03/04/2003 |
| 6418839 | Detection system for a press piston guiding system A detection system is installed into a press piston guiding area for detecting if the piston guiding system has lost its requisite clearance. The detector is installed in a typical press in such a way that when the negatively grounded press piston touches... | 07/16/2002 |
| 6250216 | Press deflection controller and method of controlling press deflection A mechanical press having a press deflection controller. The press includes press members which have work surfaces, such as a slide and a bed. The press deflection controller includes a tie rod which is encased in a tube. The tie rod is connected to the p... | 06/26/2001 |
| 6171092 | Platen sensing and alignment apparatus An apparatus and method for detecting whether platens in a mold clamp remain parallel throughout an entire molding process. The apparatus includes a frame, a first platen having a surface orthogonal to a predetermined axis, a second platen having a surfac... | 01/09/2001 |
| 5570630 | Method for compacting and baling refuse and waste material Method for compacting refuse or waste material in an enclosed baler-compactor, applying controlled angularity of the platen for even compacting and improved distribution of the compacted material in the container of a container-lift assembly. Tying the co... | 11/05/1996 |
| 5568766 | Method for controlling the drive for a hydraulic press having a plurality of operating phases A method for controlling the drive of a hydraulic press and an associated device for carrying out the method are proposed, the piston/cylinder unit belonging to a press ram being driven via several hydraulic devices connected in series. Depending on the o... | 10/29/1996 |
| 5547367 | Mechanism for closing a mold in plastic injection-molding machinery that accommodates a large and heavy molding tool A mechanism for closing a mold in plastic injection-molding machinery that accommodates a large and heavy molding tool (5). One stationary chuck (2) rests machinery's base (1), while another chuck (3) travels on a longitudinally movable carriage (4). Each... | 08/20/1996 |
| 5243902 | Hydraulic bending press with movable lower platen A bending press is equipped with a movable lower platen actuated by at least three hydraulic jacks, two of which are placed at the lateral ends of the movable platen and at least one of which is placed at the center along the axis of the platen. The hydra... | 09/14/1993 |
| 5231923 | Press apparatus used for manufacturing a liquid crystal panel A press apparatus for use in manufacture of a liquid crystal panel presses upper and lower glass substrates placed between a pressure-exerting plate and a pressure-receiving plate while a seal located around the glass substrates is being heated and melted... | 08/03/1993 |
| 5193452 | Folding press with deflection compensating means The upper and lower frames of a folding press include a deflector capable of producing a deflection of at least one portion of a press member. A comparison device is provided which includes two longitudinal bars arranged, respectively, in longitudinal hou... | 03/16/1993 |
| 5156782 | Maintaining press platens in parallel relationship Press platens are maintained parallel in critical central regions proximate to a mold between the platens. Leveling cylinders acting between the platens to resist downward action of a central ram on a movable platen. Data identifying expected local platen... | 10/20/1992 |
| 5147661 | Mold aligning device for a compression molding machine A mold aligning method and device for a compression molding machine comprising a bed, uprights standing upright on the bed, a crown block joined to the tops of the uprights, a slide block guided for vertical sliding movement by the uprights, and a hydraul... | 09/15/1992 |
| 4923383 | Apparatus for mold aligning in a compression molding machine A mold aligning method and device for a compression molding machine which includes a bed, a plurality of uprights standing upright on the bed, a crown block joined to the tops of the uprights, a slide block guided for vertical sliding movement by the upri... | 05/08/1990 |
| 4915608 | Device for resin sealing semiconductor devices A device for resin sealing semiconductor devices includes a pair of chase blocks having cavities for holding semiconductor devices, a press machine for pressing the chase blocks against each other through a pair of press surfaces, a plurality of support m... | 04/10/1990 |
| 4873923 | Hydraulic press platon support A hydraulic press for compacting materials with a large platen area has a platen support comprising of four hydraulic cylinders, one at each corner of a rectangular or square shaped platen. The cylinders are supplied with near equal fluid flows from comme... | 10/17/1989 |
| 4828474 | Hydraulic cylinder device for platen spacing indication and control A press has upper and lower platens which can be moved towards and away from one another. Four hydraulic leveling cylinders are mounted in a vertical orientation on the lower platen for purposes of platen parallelism control. In preferred form, each cylin... | 05/09/1989 |
| 4784058 | Press control for maintaining a level position and a uniform pressure on a workpiece A press working control method for controlling the press working operation of a press having a pressure cylinder for applying a working pressure to a workpiece, a press slide operatively connected to the pressure cylinder and carrying a movable die, a bed... | 11/15/1988 |
| 4732032 | Die crowning apparatus for press brake To crown (deform into a convex state) a die for a press brake (bending press), a number of a pair of upper and lower wedges are arranged between the lower die and the lower table at intervals along the longitudinal direction of the press brake, and simult... | 03/22/1988 |
| 4724757 | Press control and arrangement for compressing particleboard A press having a stationary upper bolster and a movable lower bolster carried by two outer and two inner frame plates located near the ends and center of the platens respectively. Through the use of strain gauges measuring the load on the product provided... | 02/16/1988 |
| 4648823 | Press equipment with supporting and levelling apparatus for producing molding compound parts by compression Molding compound parts with uniform wall thickness are precisely and repeatedly produced by compression, though supporting rods and levelling devices used for supporting the platen of press equipment which tilt during compression. The press equipment of t... | 03/10/1987 |
| 4624126 | Hydraulic press A hydraulic press having at least two cylinders adapted for providing relative displacement between the upper and lower platens of a hydraulic press, each cylinder being in fluid communication with only one chamber of a multiple chamber hydraulic system u... | 11/25/1986 |
| 4449389 | Device for bending a tool holder of a folding press or the like This device for bending the tool holder of a folding press comprises structure for controlling the deformation of the wedge secured at either end, in the form of a hollow screw engaged in a socket rigid with the tool holder so that it can accomplish movem... | 05/22/1984 |
| 4408520 | Apparatus for measuring platen-press bend in platen press A platen press has upper and lower platens each provided with at least one rigidifying beam. A group of hydraulic cylinders spaced about over one of the platens serves to urge the two platens together in a pressing direction to compress a workpiece--plywo... | 10/11/1983 |
| 4294103 | Overload safety device in hydraulic forming presses, in particular sheet metal form drawing presses An overload safety device for a hydraulic press of the type in which a parallel linkage is mounted on the moveable beam to ensure normal accurate alignment if constituted by an operating rod mounted preferably on the transverse connecting rod of the paral... | 10/13/1981 |
