Abstract: A hose assembly having opposite ends and having a first fluid passage therein for conveying a volatile liquid in one direction from one of the ends thereof to a container adjacent the other of the ends thereof and a second fluid passage therein for returning the vapors of the volatile liquid fuel from the container to the one end thereof, the assembly comprising a flexible inner hose having an outer peripheral surface and defining one of the fluid passages therein, a flexible outer hose having an inner peripheral surface and an outer peripheral surface and being disposed around the inner hose, the inner peripheral surface of the outer hose and the outer peripheral surface of the inner hose defining the other of the fluid passages therebetween, the outer hose comprising a corrugated tube that has the corrugations thereof extending throughout the entire length thereof, and a cuff secured to one of the ends of the outer hose, the cuff covering the inner peripheral surface and the outer peripheral surface of that

Abstract: A hose construction, coupling therefor and methods of making the same are provided, the hose construction comprising a tubular hose and a coupling secured to one end of the tubular hose, the inner peripheral surface of the tubular hose comprising an inner corrugated lose made of polymeric material and having inwardly convex projections with recesses therebetween and extending from one end of the tubular hose to the other end thereof, the coupling having an insert disposed in the one end of the tubular hose and being radially outwardly expanded into sealing relation with the inner corrugated hose, the insert having an outer peripheral surface defined by a plurality of outwardly convex projections with recesses therebetween, the projections of the insert being respectively received in the recesses of the inner hose and the projections of the inner hose being respectively received in the recesses of the insert whereby the interior of the tubular hose is substantially sealed to the interior of the coupling.

Abstract: A fuel dispensing system, parts therefor and methods for making the same are provided, the system having a venturi section for removing liquid from a normal drape area of a hose assembly of the system, the venturi section having an inlet unit that is positioned in a vapor recovery fluid passage of the hose assembly generally at the actual drape area of the hose assembly even when the actual drape area is disposed intermediate the normal drape area and a dispensing nozzle or is disposed intermediate the normal drape area and the source of liquid fuel as well as when the actual drape area is disposed generally at the normal drape area.

Abstract: A hose assembly having opposite ends and having a first fluid passage therein for conveying a volatile liquid in one direction from one of the ends thereof to a container adjacent the other of the ends thereof and a second fluid passage therein for returning the vapors of the volatile liquid fuel from the container to the one end thereof, the assembly comprising a flexible inner hose having an outer peripheral surface and defining one of the fluid passages therein, a flexible outer hose having an inner peripheral surface and an outer peripheral surface and being disposed around the inner hose, the inner peripheral surface of the outer hose and the outer peripheral surface of the inner hose defining the other of the fluid passages therebetween, the outer hose comprising a corrugated tube that has the corrugations thereof extending throughout the entire length thereof, and a cuff secured to one of the ends of the outer hose, the cuff covering the inner peripheral surface and the outer peripheral surface of that

Abstract: A hose construction, coupling therefor and methods of making the same are provided, the hose construction comprising a tubular hose and a coupling secured to one end of the tubular hose, the inner peripheral surface of the tubular hose comprising an inner corrugated hose made of polymeric material and having inwardly convex projections with recesses therebetween and extending from one end of the tubular hose to the other end thereof, the coupling having an insert disposed in the one end of the tubular hose and being radially outwardly expanded into sealing relation with the inner corrugated hose, the insert having an outer peripheral surface defined by a plurality of outwardly convex projections with recesses therebetween, the projections of the insert being respectively received in the recesses of the inner hose and the projections of the inner hose being respectively received in the recesses of the insert whereby the interior of the tubular hose is substantially sealed to the interior of the coupling.

Abstract: A fuel dispensing system, parts therefor and methods for making the same are provided, the system having a venturi section for removing liquid from a normal drape area of a hose assembly of the system, the venturi section having an inlet unit that is positioned in a vapor recovery fluid passage of the hose assembly generally at the actual drape area of the hose assembly even when the actual drape area is disposed intermediate the normal drape area and a dispensing nozzle or is disposed intermediate the normal drape area and the source of liquid fuel as well as when the actual drape area is disposed generally at the normal drape area.

Abstract: A system for dispensing fuel, a hose assembly therefor and methods of making the same are provided, the hose assembly having a spider to maintain the inner hose thereof concentric within the outer hose thereof, the spider being secured to the inner hose and to the dispensing nozzle so that the nozzle, the spider and the inner hose are adapted to rotate in unison relative to the liquid fuel source unit of the system whereby a tubular unit interconnected to a venturi unit in the nozzle and leading to a drape area within the hose assembly for evacuating any liquid collecting in the vapor recovery passage thereof will also rotate in unison with the nozzle, the spider and the inner hose.

Abstract: A hose construction, hose coupling therefor and methods of making the same are provided, the hose construction comprising a combination of a hose coupling and a tubular hose having one end thereof clamped in an annular recess of the coupling, the coupling having a longitudinal axis and comprising a tubular insert portion inserted into the end of the hose and having an external peripheral surface that is substantially parallel to the longitudinal axis and a tubular ferrule portion disposed in substantially concentric and spaced relation about the insert portion to define the annular recess therebetween and being radially inwardly deformed toward the longitudinal axis so as to clamp the end of the hose between the ferrule portion and the insert portion, the ferrule portion having a plurality of inwardly directed and axially spaced apart annular ridges deformed into the end of the hose, the ferrule portion comprising an outer generally cylindrical section having an inner peripheral surface provided with opposed

Abstract: A fuel dispensing system has a venturi section for removing liquid from a normal drape area of a hose assembly of the system and the venturi section has an inlet unit that is positioned in a vapor recovery fluid passage of the hose assembly generally at the actual drape area of the hose assembly even when the actual drape area is disposed intermediate the normal drape area and a nozzle or is disposed intermediate the normal drape area and the source of liquid fuel as well as when the actual drape area is disposed generally at the normal drape area, the inlet unit comprising a tube unit interconnected to the venturi section and having a plurality of inlets respectively disposed in different axial positions in the vapor recovery fluid passage along the length thereof.

Abstract: A hose construction, coupling therefor and methods of making the same are provided, the hose construction comprising a tubular hose and a coupling secured to one end of the tubular hose, the inner peripheral surface of the tubular hose comprising an inner corrugated hose made of polymeric material and having inwardly convex projections with recesses therebetween and extending from one end of the tubular hose to the other end thereof, the coupling having an insert disposed in the one end of the tubular hose and being radially outwardly expanded into sealing relation with the inner corrugated hose, the insert having an outer peripheral surface defined by a plurality of outwardly convex projections with recesses therebetween, the projections of the insert being respectively received in the recesses of the inner hose and the projections of the inner hose being respectively received in the recesses of the insert whereby the interior of the tubular hose is substantially sealed to the interior of the coupling.

Abstract: A fuel dispensing system and method of making the same are provided, the system comprising a storage tank for the fuel and being disposed in the ground, a dispensing pump disposed above the ground, a first flexible hose construction having an inner surface and being disposed in the ground for conveying fuel from the tank to the pump, and a second flexible hose construction having opposed ends one of which is interconnected to the pump, the second hose construction being disposed above the ground for dispensing fuel from the pump into a fuel container of a transportation vehicle or the like through a nozzle interconnected to the other of the ends thereof, the second hose construction having electrical conductor structure extending therealong for dissipating static electricity from the nozzle to the pump, the first hose construction having leak detection structure for detecting leakage of the fuel therein through the inner surface therof and for providing an electrical conductor structure therealong for dissipa

Abstract: A hose construction, coupling therefor and methods of making the same are provided, the hose construction comprising a tubular hose and a coupling secured to one end of the tubular hose, the inner peripheral surface of the tubular hose comprising an inner corrugated hose made of polymeric material and having inwardly convex projections with recesses therebetween and extending from one end of the tubular hose to the other end thereof, the coupling having an insert disposed in the one end of the tubular hose and being radially outwardly expanded into sealing relation with the inner corrugated hose, the insert having an outer peripheral surface defined by a plurality of outwardly convex projections with recesses therebetween, the projections of the insert being respectively received in the recesses of the inner hose and the projections of the inner hose being respectively received in the recesses of the insert whereby the interior of the tubular hose is substantially sealed to the interior of the coupling.

Abstract: A fuel dispensing system and method of making the same are provided, the system comprising a storage tank for the fuel and being disposed in the ground, a dispensing pump disposed above the ground, a first flexible hose construction having an inner surface and being disposed in the ground for conveying fuel from the tank to the pump, and a second flexible hose construction having opposed ends one of which is interconnected to the pump, the second hose construction being disposed above the ground for dispensing fuel from the pump into a fuel container of a transportation vehicle or the like through a nozzle interconnected to the other of the ends thereof, the second hose construction having electrical conductor structure extending therealong for dissipating static electricity from the nozzle to the pump, the first hose construction having leak detection structure for detecting leakage of the fuel therein through the inner surface thereof and for providing an electrical conductor structure therealong for dissip

Abstract: A hose construction, coupling therefor and methods of making the same are provided, the hose construction comprising a tubular hose and a coupling secured to one end of the tubular hose, the inner peripheral surface of the tubular hose comprising an inner corrugated hose made of polymeric material and having inwardly convex projections with recesses therebetween and extending from one end of the tubular hose to the other end thereof, the coupling having an insert disposed in the one end of the tubular hose and being radially outwardly expanded into sealing relation with the inner corrugated hose, the insert having an outer peripheral surface defined by a plurality of outwardly convex projections with recesses therebetween, the projections of the insert being respectively received in the recesses of the inner hose and the projections of the inner hose being respectively in the recesses of the insert whereby the interior of the tubular hose is substantially sealed to the interior of the coupling.

Abstract: A fuel dispensing system and method of making the same are provided, the system comprising a storage tank for the fuel and being disposed in the ground, a dispensing pump disposed above the ground, a first flexible hose construction having an inner surface and being disposed in the ground for conveying fuel from the tank to the pump, and a second flexible hose construction having opposed ends one of which is interconnected to the pump, the second hose construction being disposed above the ground for dispensing fuel from the pump into a fuel container of a transportation vehicle or the like through a nozzle interconnected to the other of the ends thereof, the second hose construction having electrical conductor structure extending therealong for dissipating static electricity from the nozzle to the pump, the first hole construction having leak detection structure for detecting leakage of the fuel therein through the inner surface thereof and for providing an electrical conductor structure therealong for dissip

Abstract: A hose construction, coupling therefor and methods of making the same are provided, the hose construction comprising a tubular hose and a coupling secured to one end of the tubular hose, the inner peripheral surface of the tubular hose comprising an inner corrugated hose made of polymeric material and having inwardly convex projections with recesses therebetween and extending from one end of the tubular hose to the other end thereof, the coupling having an insert disposed in the one end of the tubular hose and being radially outwardly expanded into sealing relation with the inner corrugated hose, the insert having an outer peripheral surface defined by a plurality of outwardly convex projections with recesses therebetween, the projections of the insert being respectively received in the recesses of the inner hose and the projections of the inner hose being respectively received in the recesses of the insert whereby the interior of the tubular hose is substantially sealed to the interior of the coupling.

Abstract: A tensioner for a power transmission belt that is adapted to be operated in an endless path, a part therefor and methods of making the same are provided, the tensioner comprising a support unit for being fixed relative to the belt, a belt engaging unit carried by the support unit and being movable relative thereto, a mechanical spring unit operatively associated with the support unit and the belt engaging unit for urging the belt engaging unit relative to the support unit and against the belt with a force to tension the belt, and a fluid dampening unit operatively associated with the support unit and the belt engaging unit to dampen the movement of the belt engaging unit relative to the support unit in a least one direction of movement thereof, the fluid dampening unit comprising a rotary dampening unit.

Abstract: A hose coupling, method of making the same, and the hose coupling in combination with a tubular hose are provided, the coupling comprising a tubular insert portion to be inserted into one end of the tubular hose and a tubular ferrule portion disposed in substantially concentric and spaced relation about the insert portion to define an annular recess therebetween and being adpated to be radially inwardly deformed toward the longitudinal axis of the coupling to clamp the end of the hose between the ferrule portion and the insert portion, the ferrule portion having a plurality of inwardly directed and axially spaced apart annular ridges for deforming into the one end of the hose with each ridge having opposed annular side faces and an inner annular free end face therebetween, each side face having a substantially straight axial cross-sectional configuration that forms an acute angle with a radially disposed centerline of its respective ridge and each free end face having a substantially straight axial cross-sect

Abstract: A pulley construction and method of making the same are provided, the pulley construction having a pair of opposed flanges respectively provided with surfaces for engagement with a V-belt construction when the V-belt construction is disposed therebetween. The pulley construction has structure for moving one of the flanges axially relative to the other of the flanges and has a fluid dampening unit operatively associated with the one flange to dampen the axial movement of that one flange relative to the other flange with a restrictive force, the dampening unit comprising a flexible bladder having a part thereof operatively interconnected to that one flange.

Abstract: A tensioner for a power transmission belt that is adapted to be operated in an endless path and a method of making the same are provided, the tensioner comprising a support unit for being fixed relative to the belt, a belt engaging unit carried by the support unit and being movable relative thereto, a mechanical spring unit operatively associated with the support unit and the belt engaging unit for urging the belt engaging unit relative to the support unit and against the belt with force to tension the belt, and a fluid dampening unit operatively associated with the support unit and the belt engaging unit to dampen the movement of the belt engaging unit relative to the support unit in at least one direction of movement thereof, the fluid dampening unit comprising a rotary dampening unit and the support unit comprising a shaft.