Abstract: An endless power transmission belt and method of making same are provided wherein such belt has a tension section, a load-carrying section, a toothed compression section defined by alternating projections and recesses, and a crack-barrier layer disposed between the recesses and the load-carrying section with the crack-barrier layer being a fabric layer.
Abstract: An endless power transmission belt 10 having reduced coefficient of friction sides 16, 17 is provided which comprises a belt body 11 having a friction-reducing layer 15 bonded thereto. The layer 15 comprises a belt body 11 having a friction-reducing layer 15 bonded thereto. The layer 15 comprises an elastomer, activated carbon and at least one friction-reducing material.
Abstract: A skylight construction and method of making same are provided wherein such construction comprises, a support, an outer sheet made of a light-transmitting material and having a peripheral portion adjoining the support, and an inner structure made of a light-transmitting material and having a peripheral edge portion attached to the support defining a first air space between the outer sheet and the structure with the inner structure comprising a pair of inner sheets each made of a light-transmitting material and with the inner sheets being held in spaced relation defining a second air space therebetween such that the sheets and first and second air spaces enable provision of the skylight construction having minimum weight yet providing minimum heat loss in winter and minimum heat gain in summer.
Type:
Grant
Filed:
July 3, 1978
Date of Patent:
January 6, 1981
Assignee:
Dayco Corporation
Inventors:
William D. Benkelman, George C. Carlyon
Abstract: An air damper having a plurality of blades of the opposed blade type is provided wherein such damper provides substantially uniform air flow distribution throughout the flow area of such damper.
Abstract: A tool for and method of removing a die-cutting mat from a rotary anvil is provided wherein such anvil has a groove therein provided with an immobile locking wedge disposed centrally therewithin and the die-cutting mat has flanges at opposite end portions thereof which are snap locked in position utilizing the locking wedge.
Abstract: An apparatus and method for detecting release tape sandwiched between a wear layer and a compressible backing material of a carpeting strip are provided.
Abstract: An apparatus and method for continuously coating a bottom surface of a wear layer of a carpeting strip with latex foam during continuous manufacture of the carpeting strip and wherein such latex foam is cured to define a compressible backing material for the wear layer of such carpeting strip.
Type:
Grant
Filed:
April 10, 1979
Date of Patent:
December 16, 1980
Assignee:
Dayco Corporation
Inventors:
Michael E. McLean, Rufus N. Ensley, Doyle V. Haren, Anthony J. Alcaraz
Abstract: A pedestal liner for a pedestal truck of a railway vehicle is provided wherein such pedestal liner is of roughly U-shaped configuration having a bight and a pair of parallel legs. A continuous uninterrupted backing material defining the bight and parallel legs, and a first antifriction material for the bight fixed against the backing material to engage a vertically disposed planar guide surface of an associated journal box. A second antifriction material for the parallel legs fixed against the backing material to engage vertically disposed parallel side surfaces of the journal box which are disposed on opposite sides of the guide surface with the backing material providing optimum structural support for the antifriction materials and the first and second antifriction materials having different wear characteristics determined by the different wear rates to which they are subjected.
Abstract: An automobile sound insulating panel and apparatus for and method of making same are provided wherein such panel comprises a contoured fibrous pad and a plastisol layer bonded against the pad with the plastisol layer comprising a foamed plastisol layer having randomly disposed air pockets therethrough which provide a minimum weight for the panel while improving the acoustical properties thereof.
Type:
Grant
Filed:
February 21, 1979
Date of Patent:
December 16, 1980
Assignee:
Dayco Corporation
Inventors:
Anthony J. Alcaraz, Christopher W. Chandler, Thomas G. Edmundson, James P. Nolan, deceased
Abstract: A wear-resistant reinforced liner for a center plate structure of a railway vehicle is provided wherein the liner is defined of a polymeric matrix and has top and bottom surfaces adapted to engage railway members, the liner having dual-purpose means embedded in the matrix. This dual-purpose means provides reinforcement for the liner and is partially exposed at the top and bottom surfaces to form a comparatively low electrical resistance path through the liner with each surface portion in contact with the mating members of the vehicle.
Abstract: A pedestal liner for a pedestal truck of a railway vehicle is provided wherein such pedestal liner is of roughly U-shaped configuration having a bight and a pair of parallel legs. A continuous uninterrupted backing material defining the bight and parallel legs, antifriction material for the bight engages a vertically disposed planar guide surface of an associated journal box. Antifriction material for the parallel legs engages vertically disposed parallel side surfaces of the journal box and disposed on opposite sides of the guide surface, and fixes the antifriction material against the backing material with the backing material providing optimum structural support for the antifriction material.
Abstract: A continuous, spliceless bias fabric in which the angular displacement between the warp and filling yarns is in the approximate range of 90 to 150 degrees is produced by the steps of cutting a tubular, square-woven fabric at a bias angle of 40-50 degrees to provide a continuous length of fabric, optionally drying the fabric, calendering at least one layer of an elastomeric compound to at least one side of the continuous length of fabric, heating the thus-calendered fabric, stretching the fabric in its width direction to provide a warp to filling angle of about 90-150 degrees, and cooling the stretched fabric.
Type:
Grant
Filed:
July 24, 1979
Date of Patent:
December 9, 1980
Assignee:
Dayco Corporation
Inventors:
Gerald C. Hollaway, Paul L. Spivy, Jack Nelson, Wayne C. Fieler
Abstract: A wear member is provided for use between a pair of relatively movable components of a railway vehicle. The wear member is mounted on a support having a continuous supporting surface, with polymeric material having an antifriction wear surface to support the same against the continuous supporting surface while providing integral reinforcement for the polymeric material.
Type:
Grant
Filed:
April 5, 1979
Date of Patent:
December 9, 1980
Assignee:
Dayco Corporation
Inventors:
Jerry W. Cooper, Homer N. Holden, Richard D. Medford, John S. Haley
Abstract: A reinforced elastomeric drive belt 20 having tooth-like protuberances 21 for meshing with the teeth of a pulley is provided with reinforcing fibers 27 distributed through at least a portion of each tooth 21.Also provided is a method for building the improved belt and an improved apparatus for building such a belt.
Abstract: An apparatus for and method of making a carpeting strip are provided wherein such carpeting strip has integral joining means enabling the forming of a substantially invisible seam between an adjoining pair of carpeting strips upon forming a carpet employing such strips.
Type:
Grant
Filed:
April 10, 1979
Date of Patent:
November 4, 1980
Assignee:
Dayco Corporation
Inventors:
Rufus N. Ensley, Doyle V. Haren, Arthur D. Logan, Michael E. McLean
Abstract: An endless power transmission belt having a compression section, a load-carrying section and a tension section, comprising a plurality of layers of rubber-impregnated fabric having transverse corrugations molded therein to provide a belt having increased transverse rigidity.
Abstract: A method of making a microporous elastomeric material having interconnecting cavities and which may be used as an ink dispensing article is provided wherein such material is made by the steps of admixing fibrous material and particles of hydrated magnesium sulfate in an elastomeric matrix material, shaping the material, curing the elastomeric matrix material, simultaneously causing liberation of water of crystallization from the hydrated magnesium sulfate which provides a blowing effect resulting in the formation of interconnecting passages between the particles from the cured material.
Abstract: A flexible acoustical wall covering, method of making same, and wall panel employing same are provided wherein such wall covering is comprised of a laminated construction comprised of a substrate and an outer layer bonded against the substrate with the outer layer having a roughened outside surface defined by projections and indentations which serve as miniature sound baffles and a plurality of spaced openings in and disposed perpendicularly through the laminated construction which allow sound waves to pass therethrough with a fluid impervious film sealing the openings and enabling the wall covering to be used as a fluid impervious covering yet with the film allowing substantially unobstructed passage of the sound waves therethrough.
Abstract: A method of curing a polymeric hose are provided wherein a hose to be cured is confined within a tubular preformed spiral confining wall of a mold structure to thereby provide optimum support for the exterior surface of such hose during curing which assures provision of a precision outside surface yet enables curing of a substantial length of hose in a comparatively compact volume.