Abstract: An apparatus, system, and method for dispensing a measured amount of paste is provided herein, including a connector adapted to attach to a flexible container for paste, comprising a closed end, a peripheral wall, and an open outlet; a top cap comprising a top surface and a bottom surface, the top cap hingedly attached to the open outlet, the bottom surface of the top cap disposed to cover the open outlet in a closed position and uncover the open outlet in an open position; and a scooper attached to the bottom surface of the top cap in a substantially perpendicular orientation, the scooper configured to dip into the container in the closed position and scoop out a measured amount of paste from the container in an open position.

Abstract: An apparatus, system, and method for dispensing a measured amount of paste is provided herein, including a flexible container for paste, comprising a closed end, a peripheral wall, and an open outlet; a top cap comprising a top surface and a bottom surface, the top cap hingedly attached to the open outlet, the bottom surface of the top cap disposed to cover the open outlet in a closed position and uncover the open outlet in an open position; and a scooper attached to the bottom surface of the top cap in a substantially perpendicular orientation, the scooper configured to dip into the container in the closed position and scoop out a measured amount of paste from the container in an open position.

Abstract: An apparatus, system, and method for dispensing a measured amount of paste is provided herein, including a flexible container for paste, comprising a closed end, a peripheral wall, and an open outlet; a top cap comprising a top surface and a bottom surface, the top cap hingedly attached to the open outlet, the bottom surface of the top cap disposed to cover the open outlet in a closed position and uncover the open outlet in an open position; and a scooper attached to the bottom surface of the top cap in a substantially perpendicular orientation, the scooper configured to dip into the container in the closed position and scoop out a measured amount of paste from the container in an open position.

Abstract: An apparatus, system, and method for dispensing a measured amount of paste is provided herein, including a flexible container for paste, comprising a closed end, a peripheral wall, and an open outlet; a top cap comprising a top surface and a bottom surface, the top cap hingedly attached to the open outlet, the bottom surface of the top cap disposed to cover the open outlet in a closed position and uncover the open outlet in an open position; and a scooper attached to the bottom surface of the top cap in a substantially perpendicular orientation, the scooper configured to dip into the container in the closed position and scoop out a measured amount of paste from the container in an open position.

Abstract: An apparatus, system, and method for dispensing a measured amount of paste is provided herein, including a flexible container for paste, comprising a closed end, a peripheral wall, and an open outlet; a top cap comprising a top surface and a bottom surface, the top cap hingedly attached to the open outlet, the bottom surface of the top cap disposed to cover the open outlet in a closed position and uncover the open outlet in an open position; and a scooper attached to the bottom surface of the top cap in a substantially perpendicular orientation, the scooper configured to dip into the container in the closed position and scoop out a measured amount of paste from the container in an open position.

Abstract: The method of connecting two workpiece sheets using a rivet, one sheet have a bore, and a counterbore which is frusto-conical and tapers forwardly between a side of the one sheet and the bore, and toward the bore that includes providing a metallic rivet having an axially extending shank defining an axis; providing the rivet with a head having an end face and a forwardly tapered frusto-conical section located forwardly of the end face; installing the shank in the bore and the head in the counterbore so that the periphery of the head end face is substantially flush with the work surface, the end face formed to provide a ring-shaped dome protruding axially in a rearward direction, the dome located to extend about the axis in substantially axial alignment with the outer surface of the shank; the rivet head provided with a peripheral side wall spaced radially from a side wall defined by the workpiece counterbore, and the space between the side walls having a volume A; the dome provided with a metallic volume B; an

Abstract: The method of clamping together two workpiece sheets using a rivet, one sheet having a bore, and a counterbore, which is frusto-conical and tapers forwardly between a side of the one sheet and the bore, and toward the bore, and that includes providing a metallic rivet having an axially extending shank defining an axis, the rivet metal consisting essentially of fine-grained aluminum alloy; providing the rivet with a head having an end face and a forwardly tapered frusto-conical section located forwardly of the end face; installing the shank in the bore, with part of the head in the counterbore, so that the periphery of the head end face projects above the work surface, the end face formed to provide a ring-shaped dome protruding axially in an upward direction, the dome located to extend about the axis in substantially axial alignment with the outer surface of the shank, the ring dome forming a central recess; the rivet head provided with a peripheral side wall spaced radially from a side wall defined by the wo

Abstract: A workpiece having a bore, and a counterbore which is frusto-conical and tapers forwardly between a side of the workpiece and the bore, and toward the bore, a metallic rivet having an axially extending shank received in the workpiece bore and defining an axis; the rivet including a head having an end face and a forwardly tapered frusto-conical section located forwardly of the end face; the periphery of the head end face being substantially flush with the work surface, the end face forming a dome protruding axially in a rearward direction, the dome being generally ring-shaped and extending about the axis in substantially axial alignment with the outer surface of the shank; the rivet head having a peripheral side wall spaced radially from a side wall defined by the workpiece counterbore, and the space between the side walls having a volume A; the dome having a metallic volume B; and wherein the volume B exceeds volume A, such that when the dome is flattened during rivet deformation, the rivet head side wall is

Abstract: A tubular fastener is positively locked to a workbore and counterbore, the fastener having a tubular shank in the workbore and an annular head in the work counterbore, the head also defining a counterbore, and employing a pin received in a bore defined by said tubular shank, and a lock ring, the pin defining a peripheral recess sunk toward the pin axis; the locking is achieved by:(a) retracting the pin relatively axially endwise in the shank by exerting axial force and transmitting force from the pin to a section of the shank projecting from the workbore to deform that section, thereby forming a bulb that grips the side of the work opposite the work counterbore, and bringing the pin recess into proximity to the head counterbore, and(b) deforming the ring to penetrate and lock into the pin recess and also within the head counterbore, and to exert radially outward force against the head, acting to radially compress the head against the work counterbore; whereby the deformed ring, the compressed head, and the pi

Abstract: A tubular fastener has an axially extending tubular shank receivable in a work bore, and an annular head receivable in forcible engagement with the work material forming a counterbore, and the fastener is further characterized by:(a) the head having an annular end face, a first section located forwardly of the end face and having an outer annular surface to be urged in a radially outward direction to forcibly engage the work counterbore, and a second forwardly tapered section located forwardly of the first section,(b) a pin extending within the tubular shank, and a stem connected to the pin and extending endwise therefrom and from the tubular fastener,(c) structure responsive to displacement of the pin toward the head end of the fastener to expand the fastener shank at the opposite end of the fastener and axially retain the fastener in position with the head first section forcibly engaging the counterbore.

Abstract: A corrosion resistant angled head fastener is disclosed for use with at least two non-metallic panels. The panels defining a bore and a counterbore with the counterbore and a portion of the bore being in one panel and the bore extending through another panel. The fastener head has an end face with two angled sections. The first section extends forwardly of the face of the head and the second section extends forwardly of the first second. The included angle of the taper of the second section is between about 100.degree. and about 170.degree.. The head section is configured to fit into the counterbore of the panel.

Abstract: A fastener having a shank receivable in a work bore, and a head receivable in a work counterbore, the shank extending in an axial direction rearwardly from the head, the improvement comprising(a) the head having an annular side wall receivable in said counterbore,(b) the head having a front end wall, and a rear wall that tapers radially outwardly and rearwardly, the rear wall spaced rearwardly from said front wall for engagement with a work surface that also tapers radially outwardly and rearwardly.

Abstract: A tubular fastener has an axially extending tubular shank receivable in a work bore and an annular head receivable in forcible engagement with the work material forming a counterbore. The fastener also is characterized by:(a) the head having an annular end face, a first forwardly tapered section located forwardly of that end face to forcibly engage the work counterbore and a second forwardly tapered section located forwardly of the first section, the taper angularity of the second section substantially exceeding the taper angularity of the first section,(b) a stem extending through the tubular shank and head, and(c) structure responsive to retraction of the stem toward the head end of the fastener to expand at the opposite end of the fastener and axially retain the fastener in position with the head first section forcibly engaging the counterbore, in non-rotating condition.

Abstract: In combination with a workpiece having a bore, a first counterbore, and a second counterbore which is frusto-conical and tapers forwardly between the first counterbore and the bore and toward the bore,(a) a rivet having an axially extending shank received in the workbore and defining an axis,(b) the rivet including a head having an end face, a first section located forwardly of said end face, and a second and forwardly tapered frusto-conical section located forwardly of the first section,(c) the first section having an initial undeformed outer surface of a diameter which is less than but about the same as the initial diameter of the first counterbore, the rivet first section being radially deformed to have peripheral engagement with the first counterbore,(d) said head end face being substantially flush with the work surface.

Abstract: A rivet with a forward shank and a tapered head has a dome protruding axially in a rearward direction. The dome is ring shaped, extends about the rivet axis, and is in substantial axial alignment with the shank outer surface. Flattening of the dome substantially eliminates clearances between the head and a head receiving tapered counterbore, in work.

Abstract: In combination with a workpiece having a bore, a first counterbore, and a second counterbore which is frusto-conical and tapers forwardly between the first counterbore and the bore and toward the bore,A. a rivet having an axially extending shank received in the workbore and defining an axis,B. the rivet including a head having an end face, a first section located forwardly of said end face, and a second and forwardly tapered frusto-conical section located forwardly of the first section,C. the first section having an initial undeformed outer surface of a diameter which is less than but about the same as the initial diameter of the first counterbore, the rivet first section being radially deformed to have peripheral engagement with the first counterbore,D. said head end face being substantially flush with the work surface.

Abstract: A threaded fastener incorporates a conical head and has a shank section closest the head that is tapered to interfere with the workbore and displace work material creating an annular bulge at the work surface bounding the head.

Abstract: The method of securing a rivet slug to structure containing a bore, a substantially cylindrical first counterbore that opens to one side of the work, and a second counterbore that tapers forwardly between the first counterbore and said bore, includes the steps:A. inserting the slug to extend within the bore and counterbores, andB. deforming the slug axially and radially to fill the bore and counterbores and to expand the first counterbore.

Abstract: A gun to drive an interference fastener in a work bore includes a piston and striker, and control means to apply different pneumatic pressure levels to the piston to drive and seat the fastener with employment of first and second power strokes.

Abstract: A threaded fastener incorporates a conical head and has a shank section closest the head that is tapered to interfere with the workbore and displace work material creating an annular bulge at the work surface bounding the head.