48results about How to "Wall thickness" patented technology

A terminally sterilizable container includes a polypropylene bottle having a body with a manually squeezable sidewall and a thickness preventing water loss. The bottle body includes shoulders for providing autoclave produced pressure distribution and deformation resistance along with an elongated tips outfitted to a neck of the body and having a lumen therethrough with a drop dispensing orifice. A cap enclosed the elongated tip and includes enclosed with a nub for sealing the orifice to prevent autoclave produced pressure leaks.

A threaded joint comprises a seal ring positioned between a pin and a box, and located in a groove between the end of a threaded section and the nose of the box. The seal ring has a first base, a second base axially opposite to the first base, at least two protruding annular ribs on the external surface, and an internal surface comprising, in an unloaded position, two frustoconical annular surfaces tapering towards the center of the seal ring and joined by a fillet.

A glass panel 3 for a glass tube for a cathode ray tube has a flat panel face portion 7 and a reduced thickness while maintaining a sufficient strength without increasing a difference of brightness, and with less shrinking deformation due to the cooling and solidification of the glass panel. Compressive stress layers 20, 21 having a thickness of to/10 or more are formed in outer and inner surfaces of the face portion 7 of the glass panel 3 respectively. The relation to the wall thickness td of the central portion of the face portion to the wall thickness to of a portion near an edge portion on a diagonal line is 1.0</=td/to</=1.2. Compressive stress layers 22, 23 are formed in outer and inner surfaces of a skirt portion 6 wherein the compressive stress value of the face portion 7 is larger than the compressive stress value of the skirt portion, and the compressive stress value of the outer surface 20 of the face portion is larger than that of the inner surface 21.

A high performance bicycle wheel set uses a flangeless front hub with straight spokes perpendicular to a tangent at the biconcave ends of the hub body, with a single flanged rear hub having straight spokes on the nondrive side and “J-bent” spokes in a flange on the drive side.

Chemiluminescent materials are provided that include an encapsulated oxalate-containing composition that includes a core portion and a polymeric coating, a peroxide source, and a fluorescent dye. The core portion includes an oxalate; a polymerizable component composition that polymerizes upon exposure to ultraviolet radiation; a photosensitizer; and an ultraviolet screening agent. The polymeric coating layer surrounding the core portion comprises a polymer derived from the polymerizable component composition. A fluorescent dye may be intermixed in the oxalate-containing composition, intermixed with the peroxide source, present in the chemiluminescent material as a separate dye layer or particle, or present within another component of the chemiluminescent material. A method for making the chemiluminescent material is also provided.

The invention relates to a container having a wall structure comprising a polymer material including an acid diffusion barrier. The invention also relates to a use of a cycloolefin polymer, COP, and/or a cycloolefin copolymer, COC, as an acid diffusion barrier polymer in a container for an acid. The invention further relates to a use of such a container and to a system for providing a medical solution comprising at least one container according to the invention. Finally the invention relates to a method for treatment by means of a container according to the invention.

The invention provides a shear-resistant type dodecagonal self-locking nut for a space navigation structure and a processing process for the shear-resistant type dodecagonal self-locking nut. The shear-resistant type dodecagonal self-locking nut comprises a close-up table, a dodecagonal supporting table and an inner threaded hole, wherein the close-up table is a close-up table with taper; a wide-mouth end of the close-up table is connected with the dodecagonal supporting table; the close-up table is coaxial with the dodecagonal supporting table; the inner threaded hole is formed in the close-up table which takes the axis as an axle center; and the inner threaded hole penetrates through the dodecagonal supporting table. The shear-resistant type dodecagonal self-locking nut provided by the invention has the advantages such as great wrenching torque, a small structural size, light weight, looseness prevention and reliability, high strength, good heat and corrosion resistance and excellent anti-fatigue performance, and can be popularized and applied to important supporting-shearing structures in the field of weapons and equipment such as aerospace, engines, ships and nuclear energy.

The invention provides an extrusion casting aluminum alloy material and a preparation method thereof. The extrusion casting aluminum alloy material comprises, by weight, 8%-12% of Si, less than 0.9% of Fe, 1%-4% of Cu, 0.2%-0.8% of Mn, 0.3%-0.8% of Mg, less than 0.35% of Zn, less than or equal to 0.01% of Sn, less than or equal to 0.01% of Cd, and the balance Al, and the total amount of other impurities is not more than 0.3%. The extrusion casting aluminum alloy material has good tensile strength, yield strength and hardness, and thick-wall and thin-wall molding can be simultaneously satisfied.

The invention relates to a method for producing a plastic foil tube with an intended cross-section that derives from a circular cross-section as a means for the production of fiber compound components for aviation or aerospace. It comprises the following method steps: mounting a semi-finished tube on a core tool; charging the mounted semi-finished tube with a predetermined force to press the semi-finished tube on a core cross section of the core tool, wherein while charging the mounted semi-finished tube with the force crinkles are formed in longitudinal direction of the semi-finished tube; heating the semi-finished tube to a predetermined forming temperature for a predetermined time period for the production of the plastic foil tube with the intended cross-section and stripping the plastic foil tube which is formed in such a manner and cooled down off the core tool.

The invention belongs to the technical field of metallurgical materials, and relates to a manufacturing method for controlling deformation of a ferrite/martensitic steel hexagonal pipe. The manufacturing method sequentially comprises the following steps of (1), carrying out hot extrusion; (2), rolling and annealing intermediate cold; (3), rolling a circular tube into a hexagonal tube; (4), normalizing and tempering an intermediate pipe; (5), carrying out cold rolling on finished product; (6), carrying out final heat treatment. By means of the manufacturing method for controlling deformation of the ferrite/martensitic steel hexagonal pipe, the obtained hexagonal pipe can meet the strict requirements of a fast reactor core assembly on the straightness, the wall thickness, the inner opposite side distance, the torsion resistance and the like of the ferrite/martensitic steel hexagonal pipe.

A hollow fibre membrane having a coiled, a hemihelix, a helical or an undulated native form, in which the membrane can be stretched by up to 4-times its original length with no plastic deformation, and wherein the native form of the membrane is produced by the asymmetric flow of liquid polymer through an opening of a die or nozzle.

A pitman of a jaw crusher comprising an upper part, which comprises an upper supporting point for supporting the pitman in the body of the jaw crusher, and a lower part comprising a lower supporting point for supporting the pitman in the body of the jaw crusher through a toggle plate. The lower part of the pitman comprises sidewalls and honeycomb structure open to the crushing direction, which structure comprises one or more cross-sectional supports reaching from the first sidewall of the pitman to the second sidewall. A jaw crusher, a crushing plant and a method for increasing crushing capacity of mineral material.

A turbine airfoil includes an airfoil body with a leading edge, trailing edge, and an exterior surface including a suction side and a pressure side located opposite to the suction side. The exterior surface shows away from the interior of the airfoil body. A thermal barrier coating system is present on the exterior surface of the airfoil body in a coated surface region. The airfoil also includes an uncoated surface region where a thermal barrier coating system is not present. The uncoated region extends on the suction side of the exterior surface from the trailing edge towards the leading edge to a boundary line between the coated surface region and the uncoated surface region, wherein the boundary line is located on the suction side between the leading edge and the trailing edge. The airfoil body also includes a step in the exterior surface extending along the boundary line.

A battery module casing (2) configured to house at least one battery cell, said battery module casing (2) comprising: a first metal plate (4), configured to form a positive terminal of a battery module and to be positioned on a first side of said at least one battery cell, a second metal plate (5), configured to form a negative terminal of a battery module (1) and to be positioned on an opposite second side of said at least one battery cell, a lateral wall element (6) configured to extend around a lateral periphery of said at least one battery cell, wherein the lateral wall element (6) is located between said first metal plate (4) and said second metal plate (5), and wherein said lateral wall element (6) comprises an electrically isolating material and is sealingly attached to the first metal plate (4) and to the second metal plate (5) respectively. At least one of said first and second metal plates (4, 5) comprises at least one lateral extension (7, 8) that, along at least a part of a periphery of the plate to which it is associated, forms a lateral wall together with said lateral wall element (6).

A drill pipe, particularly for a drill string, having an outer and an inner pipe (3), a female connector (4) with an internal thread at one end of the drill pipe (1), and a male connector (5) with an external thread at the end opposite from the female connector (4), wherein the inner pipe (3) is arranged substantially concentrically in the outer pipe (2) and the drill pipe (1) has a center region (8) with an internal diameter. The outer pipe (2) has an inwardly thickened wall portion at an end region (7) on the male connector side, having a smaller internal diameter than the internal diameter of the center region (8), and the internal diameter of the outer pipe (2) remains substantially the same at an end region (6) on the female connector side in relation to the internal diameter of the center region (8).