Abstract: A node (26) of a communications network (20) establishes multiple simultaneous access bearers (38) to a stationary equipment unit (22) which is connected to the node (26) by a essentially fixed location physical link (24). Advantageously, the multiple simultaneous access bearers can have different bandwidths and quality of service capabilities. For example, the node can establish access bearers for providing different types of services to the stationary equipment unit, the different types of services including one of a voice service, a video service, and a data traffic service. Moreover, the multiple simultaneous access bearers include both circuit switched access bearers and packet switched access bearers.

Abstract: A node (26) of a communications network (20) establishes multiple simultaneous access bearers (38) to a stationary equipment unit (22) which is connected to the node (26) by a essentially fixed location physical link (24). Advantageously, the multiple simultaneous access bearers can have different bandwidths and quality of service capabilities. For example, the node can establish access bearers for providing different types of services to the stationary equipment unit, the different types of services including one of a voice service, a video service, and a data traffic service. Moreover, the multiple simultaneous access bearers include both circuit switched access bearers and packet switched access bearers.

Abstract: An improved can closure device for the closing of easy-open metal can end walls including: a one piece closing tab having a central body, circumferential flange, annular sealing ring, semi-annular locking ring, semi-annular locking channel, tab opening strip, and a hole for attachment to a can end wall; an improved metal opening tab; an elongated attaching post/rivet; and a sealing channel provided in the sheet metal can end wall. The closing tab is co-mounted with and beneath the improved metal opening tab and minimally impacts the can opening function of the metal opening tab. The consumer opens the can in much the same way as he or she now does by using the existing metal opening tab. After the can is opened, the closing tab is rotated approximately 180 degrees, aligned with the can opening, and pushed downwardly into place to close the can, thus preventing loss of contents due to spillage, providing protection of the contents from dirt, sand, or insects, and retarding loss of carbonation.

Abstract: Finely divided aqueous mineral slurries such as kaolin clay and calcium carbonate are dewatered, filtered and prepared for shipment by and with the addition of an effective amount (preferably 0.01 to 4.0 pounds per ton of solids) of melamine/formaldehyde polymer.

Abstract: Aqueous mineral slurries are treated prior to dewatering, to increase throughput, with a condensation product of formaldehyde and dicyandiamide, which may be further reacted with ammonia or an ammonia salt and an alkylenepolyamine or copper chloride.

Abstract: Aqueous mineral slurries containing 10% by weight or more of finely divided mineral solids are flocculated prior to dewatering and/or thickening to obtain improved throughput and/or to reduce moisture in the dewatered product, by treating the slurries with polymers comprising at least about 1% by weight 2-acrylamido-2-methyl propyl sulfonic acid copolymerized with acrylamide and/or other suitable water-soluble monomers. The polymers must have a Brookfield viscosity of at least 7000 cps at 7.5% concentration in water. Flocculation of the mineral slurries with these polymers also provides improved re-dispersibility of the dewatered mineral in the filter cake. During redispersion, additional dry mineral may be added to obtain a final solids content as high as 70% or more. The Brookfield viscosity of the final high solids slurry comprising a significant portion of filter cake treated with the flocculants of this invention is not detrimentally affected.

Abstract: Aqueous mineral slurries containing 10% by weight or more of finely divided mineral solids are flocculated prior to dewatering and/or thickening, and prepared for redispersion, by treating the slurries with polymers comprising at least about 1% by weight 2-acrylamido-2-methyl propyl sulfonic acid copolymerized with acrylamide and/or other suitable water-soluble monomers. The polymers must have a Brookfield viscosity of at least 7000 cps at 7.5% concentration in water. Flocculation of the mineral slurries with these polymers also provides improved re-dispersibility of the dewatered mineral in the filter cake. During redispersion, additional dry mineral may be added to obtain a final solids content as high as 70% or more. The Brookfield viscosity of the final high solids slurry comprising a significant portion of filter cake treated with the flocculants of this invention is lower than that of untreated material.