Abstract: A web bending fixture to bend lithographic plates used in web offset printing and production. Precise bends are created by a precision machine tool fixture. The fixture utilizes continuously supported eccentric camming members, one on each end of the fixture, each supported by a plurality of split bearings within which the camming members rotate. After the lithographic plate is precisely aligned with unique registration means and immobilized, the camming members, are moved into position and, rotating within the bearings, form the leading and trailing edges of the plate around precisely positioned and fixed anvils.

Abstract: The shot peening apparatus for shot peening the surface of a workpiece has a gravity shot distribution subassembly which includes deflectors which utilize the kinetic energy in the falling shot to effect a substantially uniform distribution of shot into a conduit for conducting the shot at gravitational velocity to an elongated nozzle. Associated with the nozzle is a plenum communicating with the nozzle and containing a gaseous fluid under a relatively low static pressure for accelerating the shot out of said nozzle at higher than gravitational velocity for impact against a workpiece.

Abstract: A tool for crimping a connector sleeve onto the ends of cable strands or the like for joining the strands together consists of an anvil arm having a V-shaped notch therein pivotally mounted relative to a base for its notch to be swung into cooperative opposed relation with a V-shaped notch in a die block on the base for crimping a connector sleeve that is placed through the die block notch.The size of the crimp opening, defined by the two notches in cooperative opposed relation, is determined solely by the size of the notch in the die block. The notch in the anvil arm is the same for all crimp opening sizes. The die block has shoulder surfaces that are engaged by end portions of the walls of the anvil arm notch to bring the two notches into precise operative alignment and to stop relative movement of the notches together when they are in the spaced relation that will produce the size crimp desired.

Abstract: A rotary transfer press comprising a crown, a bed, a post extending from the bed to the crown, a slide upwardly and downwardly movable as guided along the post, a drive assembly for moving the slide upward and downward, a plurality of working stations disposed in a circular arrangement and each provided with a press die, and a transport assembly for transferring workpieces from each of the stations to the next station in succession. The press can be installed in a small space, and the workpieces are feedable to and dischargeable from the press at any of the stations. The press dies are also replaceable at any station.

Abstract: A holder for a hydraulic swaging tool has a base having an upstanding anchor bracket at one end thereof. A manually actuated hydraulic pump includes a cylindrical body at one end secured to the bracket with its other end bearing upon the base and a pump outlet. A clamp assembly on the opposite end of the base on one side thereof includes a saddle and an overlying pressure cap, each with opposing semi-circular surfaces, receiving a resilient transverse sleeve. A swaging tool with a pressure fluid inlet is axially nested in the sleeve and is frictionally gripped within the clamp assembly. A conduit interconnects the pump outlet and the swaging tool inlet.

Abstract: An apparatus for cold forming stabilizer blades from elongated members by holding an elongated member while being bent or twisted to form a stabilizer blade. A mandrel is provided for receiving first and second sleeves so that a force applied by a toggle arrangement causes the first and second sleeves to rotate in opposite directions to bend the elongated member to form a stabilizer blade.

Abstract: The invention contemplates a pipe-bending technique wherein an arcuate die which determines the course of bending the central axis of the pipe relies solely upon two tangentially engaging developing lines of contact which are spaced equally, at opposite offsets from the radial plane in which the pipe axis is bent. For the case of pipe bending to a circular arc, the opposed die faces are generally conical, and there is no pipe contact with the die in the range between the spaced developing lines of tangential contact.

Abstract: A method and apparatus for the controlled cooling of a hot rolled steel rod. A hot rolled steel rod issued from a final stand of mill train is rapidly cooled, and then formed into a coil. The coiled rod is transported in a generally horizontal direction with its loops held at an angle of 30.degree. to 60.degree. relative to the direction of transportation and with a pitch of at least 2d/sin .alpha. where d is a diameter of the rod and .alpha. is the above-mentioned angle. A cooling medium, e.g. air, is forcibly applied to the coiled rod upwardly from below the coiled rod to cool the coiled rod uniformly at such a cooling rate as to achieve a phase transformation to obtain a structure consisting essentially of fine pearlite. The apparatus includes a cooling device for the rapid cooling, a laying head for the coil forming, a conveyor for transporting the coiled rod while supporting its loops at the angle and pitch, a coolant supply, and a mechanism for collecting the treated rod.

Abstract: A collet assembly for a hose crimping tool is disclosed in which rigid metal jaw elements are encircled by and locked within a separately molded elastomeric cage. The cage positions the elements in the free state and allows them to be radially compressed for the crimping operation. Interlocking surfaces are provided to retain the jaws within the cage without need of adhesives, or the like.

Abstract: A safety control system for a metal forming machine having a vertically moving forming ram which cooperates with a stationary forming die for forming a variety of creases in sheet metal manipulated by an operator. The safety control system returns the forming ram to an inactive position in the event the operator inadvertently positions tool or limb between ram and die during machine operation.

Abstract: In a magnetic workpiece holder and gauge for a press brake, the core of an electromagnet for the work core is electrically insulated, and connected to a circuit for energizing the electromagnet when electrical contact is made between a magnetic workpiece and the core structure of the electromagnet. A probe may also be provided for detecting the lateral alignment of the workpiece.

Abstract: A mandrel jaw and a process for forming it from a strip of steel including the steps of forming a shape, bending portions of the shape and then stamping the bent body into the configuration of the jaw.

Abstract: A tool for bending a sheet material into a L-like or Z-like section. A pair of bending members each having a bending edge and a rectangular cavity formed in juxtaposition are disposed movably toward and away from each other so that the bending edge of one of the bending members is movable into the cavity of the other bending member and vice versa. The cavity is of such a cross section that a major surface of the sheet material being bent is left free from the inner wall of the cavity.

Abstract: A method is disclosed for fabricating rib structures of different sizes for a segment of an airfoil having both a spanwise taper in thickness and at least one aerodynamic surface having a substantially constant radius of curvature in the chordwise direction. In one embodiment a plurality of rib webs are formed at least as large as the largest rib structure. Each of the rib webs is trimmed at their lower edges progressively greater amounts to form rib webs of a proper size for each rib structure. A plurality of upper and lower rib caps as well as front and rear spar attachment brackets are formed and attached to the trimmed rib webs. In another embodiment the rib webs are formed with either or both integral upper rib caps and spar attachment brackets. In still another embodiment a plurality of rib webs are formed and joined together by twos by inverting one rib web to the other and progressively overlapping their lower edges and fastening them together to form properly sized rib structures.

Abstract: A bending device for metal pipe with and without plastic jacketing has a short cylindrical segment including a circumferential groove which determines the bending radius of the pipe to be bent and a support for holding the pipe to be bent tangentially with respect to the groove. A lever is mounted for concentric pivotable movement about the segment and a pressing block is mounted on the lever for pivotal movement about an axis parallel to the segment axis. The pressing block has a working surface which has an approximately semicircular, concave cross section in a plane disposed parallel to the pivot axis of the pressing block and the segment axis and a concave cross section in a plane disposed perpendicular to those axes.

Abstract: A press is disclosed having an upper set and a lower set of dies which open and close simultaneously during the operating cycle. An upright body frame member carries the lower die of each of the upper and lower sets of dies. A sliding member is mounted for reciprocal vertical movement and carries the top die for each of the upper and lower dies sets. The sliding member is provided with a recess for receiving an eccentric cam for actuating the slide.

Abstract: An apparatus is provided for manufacturing a cylindrical member utilizing a pair of dies each of which has a semi-cylindrical recess formed therein and which are adapted to be brought into abutment against each other to form a material disposed within the recesses into a cylindrical form. The abutting surfaces of the pair of dies are offset from a plane which includes the axis of a cylindrical member to be formed within the recesses of the dies and which is perpendicular to the direction of movement of one or both of the dies. In this manner, the formation of a bulge or flash on the outer periphery of the cylindrical member can be prevented which may be formed if the abutting surfaces lie in said plane.

Abstract: A polymeric chain link including two sidebars and a barrel connecting the sidebars. The barrel is comprised of a male barrel portion and a female barrel portion, each barrel portion being an integral extension of one of the sidebars. The male barrel portion fits inside the female barrel portion, and the inner mating surface of the female barrel portion cooperates with the outer mating surface of the male barrel portion to couple the two portions, mechanically locking them together.

Abstract: A press for bending a sheet metal comprising a support member fixedly secured to a press frame, a slide vertically movable on the press frame toward and away from the support member, a punch secured to the slide, a table mounted on the support member, a die secured to the table, and a plurality of adjusting wedge mechanisms disposed between the support member and the table. An upper wedge member is fixedly secured to the table, and a lower wedge member is laterally movable relative to the support member. A rack is fixedly secured to the lower wedge member, and a pinion engageable with the rack for vertical adjustment of each adjusting mechanism.

Abstract: A method of prestressing the working surface of pressure chambers or cylinders comprising the steps of first shot peening their working surfaces to form compressive residual stresses, and then applying fluid pressure at a predetermined magnitude to cause tensile stresses in the working surfaces. The magnitude of compressive residual stresses established on their outer working surfaces is made substantially equal to the tensile stress applied to these surfaces during the pressure phase of the process.