This invention provides a roller mask for use as part of a transfer roller in an electrostatographic machine consisting of a dimensionally stable base, polymeric material adhered to the base, and means for mounting the base onto a roller core.
In accordance with an aspect of the invention, one or more shortest paths is determined through a portion of a computer network, from a source vertex to one or more destination vertices according to a link-state protocol. A graph representation of the network portion is processed. The graph representation includes nodes and edges representing the vertices and connections therebetween. The processing includes operating on the graph representation according to a Djkstra-like algorithm. A subset of...
Crimped acrylic fibers with a small diameter, a minimum aspect ratio in the 20-50 range, and having a crimp of greater than about 10% so as to enhance the viscosity of polymers, resistance to gravity-induced slumping when applied to vertical surfaces, and mix stability, as well as provide matrix reinforcement and toughness, are adapted to act as improved physical thixotropes in adhesives, sealants, coatings, paints, grouts, building materials and the like.
The present invention relates to a polyester film for medicine wrapper or powder food wrapper having a surface resistivity of not more than 5.times.10.sup.12 .OMEGA./cm.sup.2.
Disclosed are a cermet alloy having excellent wear resistance and strength at elevated temperatures, and a composite mechanical part containing a strong layer of any such cermet alloy formed on the outer or inner surface of an alloy base. The materials which are used for making rolls, dies, punches, etc. are required to have excellent toughness, impact resistance, high-temperature strength and wear resistances. The conventional ultrahard WC--Co alloys are, however, unsatisfactory in high-tempera...
Acoustically absorptive carpeting includes a primary layer of fibrous material with yarn tufts extending outwardly therefrom and a secondary layer of thermoplastic material that forms a carpet backing. The carpet backing is rendered porous. A substrate of porous material is attached to the carpet backing. The substrate includes a layer of fine fibrous material attached to a layer of coarse fibrous material. The layers of fine and coarse fibrous material each have respective different acoustic im...
Maintaining DNS records. A computing network system includes a local Domain Name Service (DNS) server connected to one or more local clients or resources at a local branch office in an enterprise network. The local DNS server advertises to the local clients or resources at the local branch office that the DNS server is authoritative. The DNS server receives record information for the local clients or resources. An attempt is made to forward the record information to an enterprise hub DNS server....
A template article including a base substrate including: (i) a base material selected from the group consisting of polycrystalline substrates and amorphous substrates, and (ii) at least one layer of a differing material upon the surface of the base material; and, a buffer material layer upon the base substrate, the buffer material layer characterized by: (a) low chemical reactivity with the base substrate, (b) stability at temperatures up to at least about 800.degree. C. under low vacuum conditi...
Objects of titanium or titanium alloys having the surface converted to a hard and wear-resistant nitride layer with good adhesion, which is distributed uniformly and also provides internal capillaries. The objects are produced by being treated in a vacuum furnace with an atmosphere of pure nitrogen gas at a temperature of 650.degree.-1000.degree. C. and at a pressure below atmospheric pressure. The thickness of the nitride layer can be controlled by controlling the treatment time and temperature...
A cleated dust control mat having a plurality of rows of elliptical cleats located at an angle to the border of the mat with the cleats in each row being parallel to the other cleats in the row and being substantially perpendicular to the cleats in the next adjacent rows of cleats. A second set of small circular cleats is located between the elliptical cleats in each row equally spaced from adjacent elliptical cleats in each row.
