Abstract: A die holder mounts a die to form heads on nails or screws. A top surface of the die includes a groove for longitudinally receiving and holding an elongate body. The die has a recess merging into the groove at one end of the groove to form a nail or screw head. The die is conical for press fit by contact with an inner surface of a bore or hole in the die holder. A top surface of the die is planar to a top surface of the die holder with a bottom surface engaging bottom part of the die holder. The bottom portion of the die has a recess or engaging with a corresponding protrusion die holder fixing an angular orientation of the groove relative to the die holder. Two opposite dies are brought together by two opposite die holders forming the head.

Abstract: A full-round head nail having an offset head is configured with a gusset formed integrally between an undersurface of the offset head and a superior portion of a shank. The head of the nail is relatively thin, and the shank is positioned radially off center of the round head such that no heel is formed at a point tangential to both the head and the shank. The gusset has a lofted surface tapering radially from a roundness at the zero heel to a taper at the toe. The gusset reinforces the junction of the shank with the head, supports the toe of the head, and distributes the force of a load on the head through a longitudinal axis of the shank, preventing the toe from bending or yielding and prevents the shank from yielding to the stresses of the load applied.

Abstract: A full-round head nail having an offset head is configured with a gusset formed integrally between an undersurface of the offset head and a superior portion of a shank. The head of the nail is relatively thin, and the shank is positioned radially off center of the round head such that no heel is formed at a point tangential to both the head and the shank. The gusset has a lofted surface tapering radially from a roundness at the zero heel to a taper at the toe. The gusset reinforces the junction of the shank with the head, supports the toe of the head, and distributes the force of a load on the head through a longitudinal axis of the shank, preventing the toe from bending or yielding and prevents the shank from yielding to the stresses of the load applied.

Abstract: A clamping jaw for gripping wire stock used in nail production machines includes a quick change system that allows efficient replacement of a removable tool insert. The clamping jaw includes a main body that is partially split so as to define a gap between first and second opposing clamping fingers having a recess portion there between for receiving and retaining the insert. The main body includes a top surface, a bottom surface, a central bore that extends between the first and second surfaces, and a countersunk cavity formed in the bottom surface. A tapered projection formed from the first and second clamping fingers extends into the countersunk cavity. A clamping member, having a tapered recess for receiving the projection, is positioned in the countersunk cavity. A fastener is tightened to draw the clamping member onto the projection to close the clamping fingers in order to grip the insert.

Abstract: A clamping jaw assembly and cutter assembly employed in machinery used to manufacture nails, screws, rivets, and similar objects starting with wire material. The invention includes a groove design having a smooth wave that reduces the wear rate of the groove improving the life expectancy of the hard material clamping jaw insert. A clamping jaw assembly and cutting assembly that are both easily accessible for permitting quick replacement and/or indexing of the carbide-clamping inserts.

Abstract: The present invention is for a method of fastening a tool holder. The tool (2) has a front side (6) shaped for use in cold forming of metal wire into nails, screws, etc. The tool holder (4) has a recess (8) shaped for receiving the tool (2). When the tool (2) is fastened in the tool holder (4), compressive stresses are initially present in the tool (2). The tool (2) is subjected to tensile stresses caused by the nail making process when in the tool holder (4). In order to reduce the resulting tensile stresses, the two opposite and wedge-shaped sides (10, 12) of the tool (2) are compressed against corresponding sides (14, 16) in the recess (8) by applying and maintaining pressure on the back side (18) of the tool with fastening means (20).

Abstract: A clamping jaw assembly and cutter assembly employed in machinery used to manufacture nails, screws, rivets, and similar objects starting with wire material. The invention includes a groove design having a smooth wave that reduces the wear rate of the groove improving the life expectancy of the hard material clamping jaw insert. A clamping jaw assembly and cutting assembly that are both easily accessible for permitting quick replacement and/or indexing of the carbide-clamping inserts.

Abstract: A clamping jaw assembly and cutter assembly employed in machinery used to manufacture nails, screws, rivets, and similar objects starting with wire material. The invention includes a groove design having a smooth wave that reduces the wear rate of the groove improving the life expectancy of the hard material clamping jaw insert. A clamping jaw assembly and cutting assembly that are both easily accessible for permitting quick replacement and/or indexing of the carbide-clamping inserts.

Abstract: Continuous length wire is segmented into predetermined lengths having desired die-coined configurations at severed longitudinal ends in a wire-working machine of the invention. In a single step operation, such wire is simultaneously die-coined and severed to form a longitudinally contiguous pair of wire ends in order to produce such predetermined lengths with desired tapered convex shapes at each longitudinal end ready for use as shaped and severed so as to eliminate subsequent metal-forming steps and certain problems associated with severing practices of the prior art. In a specific embodiment of the fabrication process, coiled wire is straightened and then simultaneously die-coined and severed to form rigid rods with tapered end configurations which facilitate use as a connecting rod during assembly operations, e.g. in the assembly of a metal wire belt.