Abstract: A dual-purpose temporary carpet and carpet underlay construction and method of continuously making such construction are provided wherein the construction comprises a top decorative wear layer, a latex foam cushion, and a copolymer latex adhesive bonding the wear layer and latex foam cushion with the decorative wear layer enabling the construction to be useable as a temporary carpet and with the construction being useable as an underlay for a carpet.

Abstract: An endless power transmission belt, method of making same, and drive system using same are provided wherein such belt has a portion which has a plurality of spaced belt elements defined by alternating projections and recesses and a triaxial fabric bonded against the elements which defines an abrasion-resistant exposed surface of the elements with the triaxial fabric also minimizing shearing stresses in each element due to the isotropic character of such fabric which provides improved load distribution therethrough as well as improved tear resistance thereof. The belt may have elements in the form of load-transmitting teeth with the triaxial fabric having three sets of yarn courses in which one of the three sets is substantially protected by the two other yarn sets and the one yarn set provides reinforcement of the teeth after substantial wear of the two other yarn sets resulting in an increased service life for the belt.

Abstract: A vacuum hose assembly, method of making same, and vacuum cleaner employing same are provided wherein the hose assembly comprises a thermally actuated switch which breaks the electrical circuit through cooperating electrical leads of an electrical system thereof once a predetermined temperature level is reached by the switch to prevent the possibility of fire and electrical shock in the event of fire-exposed leads.

Abstract: An electric current-carrying fluid hose construction and method of making same are provided and such hose construction is comprised of at least one elongated polymeric strip having a central body of solid cross section which has at least one electrical conductor embedded therein and with the strip having first and second projections extending from opposite side portions of the central body as a single-piece construction, and the strip is wound in a helical pattern with its projections connected to define the hose construction with the central body having at least one outwardly convex arcuate surface comprising the outwardly convoluted configuration and having a substantially flat surface which comprises the substantially smooth inside surface.

Abstract: A drive apparatus for a vehicle mounted generator is provided wherein such vehicle has a driver shaft and a driver sheave detachably fixed thereto with the drive apparatus comprising an adjustable pivot support supporting the generator on the vehicle, a driven sheave detachably fixed to the rotor of such generator, at least one belt operatively connected between the driver sheave and the driven sheave, and a device yieldingly moving the generator about the pivot support to thereby move the driven sheave away from the driver sheave and place a substantially constant yielding tension on the belt to assure that the driven sheave and generator are driven in an optimum manner.

Abstract: An apparatus for and method of comparing an inventory of a competitor's products with a supplier's suggested inventory are provided utilizing a competitor's part numbers sheet having a first arrangement of the competitor's part numbers thereon with a vacancy adjacent each part number for marking the quantity of each number to define the inventory of competitor's products and a supplier's part number sheet is provided having a second arrangement of the supplier's part numbers thereon which is identical to the first arrangement with the supplier's sheet having an opening therein adjacent its numbers whereupon the supplier's sheet is aligned over the competitor's sheet so that the supplier's sheet hides the first arrangement of part numbers and each quantity of competitor's part numbers is viewable through the opening opposite a corresponding supplier's part number, whereby each supplier's part number and its viewable quantity comprise the supplier's suggested inventory.

Abstract: The dispersibility of cotton filter fly in an elastomeric composition is greatly improved by applying point contact compressive force to the filter fly prior to mixing it into the elastomer.

Abstract: A method for making double angle V-belts is provided which comprises providing an uncured belt body, placing at least a portion of the length of such body in a mold comprising a pair of mating mold sections which, when closed, provide an elongated cavity having a double truncated V cross-section, closing the mold sections, applying uniform resilient pressure to opposite sides of the belt body while confined in the mold, curing the body portion, releasing the pressure, opening the mold and removing the resulting molded and cured belt portion.Also provided is a mold for simultaneously molding and curing a double angle V-belt which comprises a pair of mating mold sections, each section comprising an elongated, generally symmetrical trapezoidal cavity and having means for applying resilient pressure at the apex of the cavity.

Abstract: A textile apron and method of making same are provided wherein such apron is adapted to be operated in an endless path and comprises a polymeric matrix material having a plurality of discrete reinforcing fibers randomly disposed substantially uniformly therethrough and defining the sole reinforcing means of said apron.

Abstract: A method of producing endless power transmission belts having a plurality of longitudinal ribs by the steps of forming an annular belt sleeve, positioning the sleeve on a continuous curing apparatus, forming longitudinal ribs in the compression section, and curing the formed belt. An additional step of stabilizing the cured belt is provided when the belt has a load-carrying cord of polyester.

Abstract: An emergency stretch belt and a process for making same are described. This belt is capable of an elongation of at least 11/2 percent after vulcanization and comprises a body portion of flexible elastomeric material having a load carrying section embedded in the body portion including an undulating strength member.The belt of this invention is made by assembling a belt structure upon a forming mandrel, placing the belt structure around a curing mandrel having a smaller diameter than the diameter of the forming mandrel, and vulcanizing the belt structure to form a completed belt structure.

Abstract: Apparatus for producing a continuous flexible tubular conduit having a plurality of helically wound reinforcing-electrical wires is provided wherein the apparatus has means for forming a plurality of wires into a corresponding plurality of substantially identical continuous non-rotating helical coils without entanglement of such wires and an extruder head for extruding a polymeric tube around the coils with the coil turns coaxially aligned and alternately arranged to complete the tubular conduit.

Abstract: A polymeric flexible hose construction and method of making same are provided wherein such hose construction comprises a tubular wall defining a main longitudinally extending passage for conveying a fluid therethrough and a second wall adjoining the tubular wall and defining a second longitudinally extending passage for an electrical conductor with the second wall having a wall portion common with the tubular wall.

Abstract: A gate valve construction is provided and comprises, a valve body having an inlet and a discharge orifice, a flexible gate for the discharge orifice, and a mechanism for supporting and moving the gate in front of and away from the orifice with the gate being adapted to be sealed against the orifice by upstream pressure defining a dished configuration in the gate which is concave toward the inlet.

Abstract: An endless power transmission belt having a trapezoidal cross-section comprising a belt body, two cord fabric cover layers, and a layer of woven fabric located between said belt body and said cord fabric cover layers; said cord fabric comprising strength cords extending at an angle to the longitudinal axis of the belt, and weak tie strands holding said strength cords in parallel position, the strength cords of one cord fabric cover layer extending at substantially opposite angles to the strength cords of the other cord fabric cover layer.

Abstract: A fire-resistant construction and method of making same is provided wherein such construction comprises a cellular layer of an elastomeric material and a sheet of metallic foil fixed against the layer with the sheet serving to dissipate heat from any portion of the cellular layer subjected to heat of an ignition source to thereby help provide the construction with its fire-resistant character. A cushion and carpet construction employing such fire-resistant construction are also provided.

Abstract: A printing blanket hole forming apparatus and method are provided and such apparatus has a support for supporting an end portion of a blanket thereon, a locating pin fixed to one end of the support, a template having at least one template locating hole therein and a set of openings therein associated with the one hole with the template being positioned by disposing the locating hole thereof around the pin with an end portion of a blanket supported on the support enabling forming of holes in the blanket by extending an associated hole forming device through the openings in the template and into the blanket and as determined by the openings in such template .

Abstract: A flexible hose construction and method of making same are provided wherein such hose construction comprises a flexible nylon-11 base tube, a braided reinforcing layer disposed around the base tube, and a layer of adhesive means between the base tube and reinforcing layer consisting of a mixture of a urethane prepolymer and a cross-linking material (4,4'methylene-bis-chloroaniline) defining the sole means bonding the braided reinforcing layer to the base tube.

Abstract: In a loop picker having at least one face block and a plurality of laminated fabric layers including laminated fabric layers disposed around the face block and laminated fabric layers defining a picker stick receiving passage, the improvement wherein at least one of the face block and plurality of laminated layers is made of a triaxial fabric.

Abstract: An elastomeric endless power transmission belt is provided and has a tension section, a compression section, a load-carrying section, and may include one or more platform sections wherein at least one of the belt sections is made of a rubber matrix having a plurality of discrete aramid fibers embedded therein with the fibers having a comparatively high aspect ratio and being tenaciously bonded in position.