Abstract: The present invention provides crosslinked polyester compositions for use in coating metal. The polyester comprises residues of at least one aromatic acid; 2,2,4,4-tetramethyl-1,3-cyclobutanediol and at least one polyol different than 2,2,4,4-tetramethyl-1,3-cyclobutanediol wherein the polyester has a glass transition temperature greater than 75° C., an acid value of 1 mg KOH/g to 6 mg KOH/g, and a number average absolute molecular weight of 4000 g/mol to 18000 g/mol. The compositions are useful for coating metal surfaces for food contact applications and are particularly useful for coating metal can ends.

Abstract: A lifting elevator includes a first elevator segment having a first plurality of slips, a second elevator segment having a second plurality of slips, and a hinge. The first elevator segment and the second elevator segment each have a swept angle of about 180°, and each of the first plurality of slips and the second plurality of slips includes a die configured to grip an external surface of a pipe.

Abstract: Disclosed is a free flowing aqueous composition comprising (a) at least one polyester comprising residues of at least one cyclobutanediol; at least one 2,2-bis(hydroxymethyl)alkylcarboxylic acid and/or a derivative thereof; and at least one polycarboxylic acid and/or a derivative thereof; (b) at least one neutralizing agent; and (c) water. The composition is useful in aqueous coating compositions.

Abstract: The present disclosure relates to a system and a method to grip a tubular member and sense wear for a pipe handling apparatus. The system includes a pipe handling apparatus having a bore formed therein with an axis defined therethrough, a pipe guide disposed adjacent to an opening of the bore of the pipe handling apparatus, and a wear sensor coupled to the pipe guide.

Abstract: An elevator to manipulate a tubular segment includes an elevator body with a bore formed therethrough having an axis therein, the elevator body including a first elevator segment and a second elevator segment, in which each of the first elevator segment and the second elevator segment includes a plurality of openings extending from an outer surface of the elevator body to the bore of the elevator body. The elevator also includes a plurality of slip assemblies disposed inside the plurality of openings of the first elevator segment and the second elevator segment and coupled to the elevator body, each of the plurality of slip assemblies including a slip, the slip including an engagement surface disposed orthogonal to the axis of the bore of the elevator body that engages the tubular segment.

Abstract: A tubular gripping apparatus includes a main bowl including a bore formed therethrough about an axis, and a movable bowl movably receivable within the main bowl. The movable bowl includes a bore formed therethrough about an axis with a tapered surface extending along the bore of the movable bowl, in which the tubular gripping apparatus further includes a plurality of slip assemblies movably receivable within the movable bowl, the plurality of slip assemblies configured to engage an outer surface of a tubular member.

Abstract: The invention provides methods and mass-labeled peptides for use in said methods for quantifying the presence of a one or more viral proteins in a sample of a preparation containing agents which bind to said viral protein, using mass-spectroscopic analyses of the sample and standards containing known amounts of labeled and unlabeled signature peptides, in particular wherein said viral proteins are antigens in a vaccine for porcine circovirus.

Abstract: A gripping tool includes a gripping element and at least one gripping surface formed on the gripping element. The at least one gripping surface includes a plurality of teeth extending from the gripping element an outer layer. A method to surface process a gripping surface of a gripping tool includes providing the gripping surface in an environment comprising a source of additive material and heating the gripping surface at a temperature and a time to diffuse the additive material a depth into the gripping surface to form a diffusion layer.

Abstract: Systems, apparatus, and methods for longitudinally moving or running a tubular, with the system including an elevator suspended from a rig. The elevator includes a body defining a bore to receive a tubular and wedges defining channels therebetween, with the wedges being configured to engage the tubular. The system may also include a spider including a body defining a bore to receive the tubular and wedges defining channels therebetween. The wedges of the spider may be configured to engage the tubular, and the wedges of the elevator may be configured to slide axially at least partially in the channels of the spider. The wedges of the spider may be configured to slide axially at least partially in the channels of the elevator.

Abstract: A gripping tool includes a gripping element and at least one gripping surface formed on the gripping element. The at least one gripping surface includes a plurality of teeth extending from the gripping element an outer layer. A method to surface process a gripping surface of a gripping tool includes providing the gripping surface in an environment comprising a source of additive material and heating the gripping surface at a temperature and a time to diffuse the additive material a depth into the gripping surface to form a diffusion layer.

Abstract: An assembly to grip a tubular member in a wellbore includes a main body, a plurality of jaw assemblies, and a cover plate to retain the jaw assemblies within the main body. The main body includes a chuck ring and at least one rotation assembly. The plurality of jaw assemblies are configured to simultaneously engage the tubular member in the wellbore as the chuck ring is rotated in a first direction about an axis of the main body by the at least one rotation assembly.

Abstract: The invention provides methods and mass-labeled peptides for use in said methods for quantifying the presence of a one or more viral proteins in a sample of a preparation containing agents which bind to said viral protein, using mass-spectroscopic analyzes of the sample and standards containing known amounts of labeled and unlabeled signature peptides, in particular wherein said viral proteins are antigens in a vaccine for porcine circovirus.

Abstract: Disclosed is a polyester composition comprising a polyester further comprising (a) at least one cyclobutanediol; (b) at least one 2,2-bis(hydroxymethyl)alkylcarboxylic acid and/or a derivative thereof; and (c) at least one polycarboxylic acid and/or a derivative thereof. This polyester composition can be useful in several areas including but not limited to thermoplastic polyesters, curable polyesters, inks, paints, composites, coating compositions, for example, waterborne coatings, water-dispersible coatings, solvent-borne coatings, and powder coatings.

Abstract: The present disclosure relates to polymer coating compositions that comprise at least one thermoplastic resin, at least one opacity modifier, at least one gloss modifier, and at least one impact modifier, articles at least partially coated with the polymer coating composition, paintable polymer coated articles and method for making the polymer coated and painted polymer coated articles. These compositions exhibit enhanced paintability (including paintability with water-based paints) and mechanical properties for fabrication (cutting, nailing, routing, etc.), while maintaining acceptable visual appearance, such as, for example, opacity, gloss, surface appearance, and surface roughness.

Abstract: A fluid management system includes a hydraulic main pump fluidly connected to a load, an accumulator fluidly connected to the hydraulic main pump, a secondary pump, a fluid preparation system fluidly connected between an outlet of the secondary pump and an inlet of the hydraulic main pump, a reservoir, and a valve system fluidly connecting the reservoir, an outlet of the hydraulic main pump, and the secondary pump inlet. The system is at least operable between a run mode, wherein the secondary pump and accumulator cooperatively maintain the pressure within the hydraulic main pump, and a charging mode, wherein the secondary pump pumps fluid into the accumulator until a threshold volume is reached.

Abstract: A projector system using a screen comprised of either a plurality of miniature, reflective, and concave or convex curved surfaces that are arranged in a pattern to create a screen surface for front projection, or a plurality of miniature, transparent, and curved convex or concave lenses that are arranged in a pattern to create a screen surface for rear projection, and a projector system with the pixel capacity to control the color and brightness focused onto many different subsections of each curved surface. Each curved lens or curved mirror surface is small enough so that when viewed from the viewing area, the lit and unlit areas seen within each individual curved surface blend together so that only the average brightness and color of each curved surface can be seen by a viewer.