Abstract: A specific elastomeric composition is formed by melt blending two particular elastomers, each composed of hard and soft segments made from poly(tetra-methylene ether) glycol, 1,4-butane diol and a phenylene dicarboxylic acid or a derivative thereof. The blend exhibits a melting endotherm that extends from no lower than 120.degree. C. to no higher than 215.degree. C. with a melting peak in the range of 150.degree. to 175.degree. C. Films made from the composition are particularly suited for use as elastic leg-strips in diapers.
Abstract: A method and system for delivery ordnance to a target via a remotely piloted or programmable aircraft including a yaw-to-turn guidance system, a deployment and launching system and packaging for the aircraft are disclosed.
Type:
Grant
Filed:
January 26, 1984
Date of Patent:
March 15, 1988
Assignee:
E-Systems, Inc.
Inventors:
Charles H. Thurber, Jr., Frederick A. Behrens, John H. Hunton
Abstract: Elastomers are prepared from high molecular weight relatively rigid difunctional compounds and low molecular weight aliphatic compounds selected from diacids, diols, diamines, hydroxyacids and aminoacids.
Abstract: An improved process for applying a multilayer finish on a primer coated substrate by using a guide coating composition that is applied over the primer of the substrate and then a water borne base coating composition containing metallic pigments and a clear coating composition are applied; before the base coating composition is applied, the guide coating composition is dried at ambient temperatures or at elevated temperatures but not fully cured or crosslinked; the guide coating contains a polymeric latex in an aqueous carrier, preferably an acrylic latex, and optionally, a crosslinking agent and metallic flake pigments; the process improves the appearance, particularly head-on-brightness of water borne basecoat/clear coat finishes in which the base coat contains metallic flake pigments.
Abstract: Seamless, molded, thermoplastic articles having a laminar, multi-component composition with a heterogeneous blend of incompatible polymers--at least one as a matrix and at least one as a discontinuous phase, are manufactured by (1) heating the blend above the melting point of the highest melting polymer component, and (2) molding the melted blend to have a knit line curved through the thickness of the article resulting from such molding.
Abstract: A stuffer box crimper wherein the crimper roll surfaces comprise a hard wear resistant coating between opposite edge portions of the parent metal of the roll.
Abstract: A transmission cable connector having a shell with a conductive layer thereon is contoured to place the layer a predetermined distance from the extending individual conductor wires of the cable, the contacts of the connector, the point of interconnection therebetween, and/or from the tracings on the surface of a transition board, if one is provided, all of which are provided in the transition region between the end of the cable and the contacts of the connector. The predetermined distance is determined such that when the conductive layer of the shell is connected to a predetermined potential electrical characteristics are imparted to the elements in the transition region that closely match the electrical characteristics of the cable attachable to the connector.
Abstract: An absorbance, turbidimetric, fluorescence, and nephelometric photometer is constructed by providing a sample cell having a rectangular absorbance/turbidimetric cross-section for radiation. The cells exit aperture is positioned to be the entrance aperture for a grating which separates the light according to wavelength and impingement on an array detector.
Type:
Grant
Filed:
May 8, 1985
Date of Patent:
March 15, 1988
Assignee:
E. I. Du Pont de Nemours and Company
Inventors:
David T. Bach, Charles W. Robertson, Jr.
Abstract: An attachment for a lithographic press includes an additional form roller with a chain of ink rollers from an auxiliary oscillator roller to the form roller mounted in a detachable frame assembly, including a gear train for driving the rollers and an eccentric for raising and lowering the form roller into engagement with the plate cylinder of the lithographic press.
Abstract: A room temperature dyeable polyamide fiber with low spherulites containing 1-6% nylon 6, 94-99% nylon 66 and 0.001-2% of a highly reactive metal, preferably calcium and the process for making the fiber are disclosed.
Abstract: A hand truck for lifting and transporting objects. The truck includes an elongated frame attached to a wheel assembly. A carriage is mounted on the frame to travel the length of the frame. The carriage includes a load bed that extends across the frame, and at least one proturbance located below the load bed that extends above the load bed. A seizing arm is pivotally attached to the carriage above the load body and has a seizing arm with a grip point directed toward the load body. The seizing arm has a stem that extends beyond the pivot point attachment opposite the seizing arm body. A winch with cable are attached to the top of the frame. The free end of the cable is attached to the seizing arm stem. Retracting the cable causes the seizing arm to pivot so the grip point is forced against as object located on the carriage. The force of the seizing arm is sufficient to secure the object between the grip point and the carriage.
Abstract: A method of manufacturing a combined yarn which includes feeding staple fibers to the collection groove of an open-end spinning rotor, twisting the staple fibers into a staple fiber yarn, combining the staple fiber yarn with a continuous filament yarn which is also fed into the spinning rotor and then twisting the continuous filament yarn and the staple fiber yarn together to form a balanced ply yarn.
Type:
Grant
Filed:
January 20, 1987
Date of Patent:
March 8, 1988
Assignee:
E. I. Du Pont de Nemours and Company
Inventors:
Paul W. Yngve, Peter Artzt, Gerhard Egbers, Ullrich Stark, Heinz Muller
Abstract: High density para-aramid papers comprising 5 to 25 percent, by weight, binder and an amount of para-aramid fibers selected from the group consisting of para-aramid pulp, para-aramid floc and mixtures thereof, compacted to provide a volume percent para-aramid fiber of at least 53 minus 0.13 times the volume percent floc in the paper are useful in the preparation of circuit board substrates having a low coefficient of thermal expansion.
Abstract: Substituted silylmethyl 1,2,4-triazoles and imidazoles also having selected substituents on the heterocyclic ring, agriculturally useful compositions comprising such compounds and the use of such compounds as fungicides.
Abstract: Hollow fiber plasmapheresis module and process, said module comprising hollow fibers having cell-retaining pores and an effective length (L) to lumen diameter (D) ratio L/D not greater than 16,400 cm.sup.-1 D (L and D being in centimeters) within a housing having a blood inlet for conducting blood to the fibers, an outlet for conducting exit (plasma-depleted) blood from the fibers, and a plasma outlet for conducting plasma out of the module.
Abstract: This invention is directed to an occlusive dressing useful for treating skin lesions and a granular material capable of interacting with wound exudate. Wounds emitting a large amount of fluid can be treated by first packing with the granular material and then covering the wound with the occlusive dressing.
Abstract: Polyimide-electron donor charge transfer complexes, supported or unsupported, as photoconductive elements characterized by photoconductivities in excess of the sum of the individual photoconductivities of the polyimide and electron donor components.
Abstract: A first member of an artificial limb such as a tube socket has a generally rhombic flange formed with throughholes grouped into an anterior-posterior pair and a medial/lateral pair spaced at 90 degree intervals about the axis of socket. The lower face of the flange carries a ball formation of a ball and socket articulation. A second member in the form of ankle attachment plate has a concave seat that accepts the ball and threaded bores conforming to the through holes. The first and second members are held together by clamping screws received in the bores that fit onto washers having spherical lower faces that articulate on seats. The resulting alignment device is simple to manufacture and preserves angular position when an adjacent pair only of the clamping screws are removed. A similar alignment device having a cylindrical projection articulating in a cylindrical seat under the control of a single pair of clamping screws provides for heel height adjustment.
Abstract: Biphenyl hydroxamic acids are provided having the structure ##STR1## wherein m is 1 to 7, X is S, O or NH, R is H, lower alkyl, aryl, aralkyl or cycloalkyl and R.sup.1 is H, lower alkyl, aryl, aralkyl, cycloalkyl, alkanoyl or aroyl.These compounds are inhibitors of .DELTA..sup.5 -lipoxygenase and as such are useful as antiallergy agents.
Type:
Grant
Filed:
June 4, 1986
Date of Patent:
March 1, 1988
Assignee:
E. R. Squibb & Sons, Inc.
Inventors:
Martin F. Haslanger, Ravi K. Varma, Eric M. Gordon