1703 results about "Thin wall" patented technology

A thermoplastic resin composition capable of providing a thin walled molded article whose flame retardancy with a thickness of 1.6 mm ({fraction (1/16)} inch) in accordance with an UL 94 standard is V-0 or better, and which comprises the following components [A], [B] and [C], wherein the component [B] satisfies the following conditions (B1) and/or (B2):[A]: an electrically conductive fiber;[B]: a carbon powder;[C]: a thermoplastic resin;(B1): Raman scattering intensity ratio I2/I1 is 0.55-0.8;(B2): Raman scattering intensity ratio I2/I3 is 0.54-0.8; whereI1: local maximum value of Raman scattering intensity appearing near a Raman shift of 1360 cm-1;I2: local minimum value of the Raman scattering intensity appearing near a Raman shift of 1480 cm-1;I3: local maximum value of the Raman scattering intensity appearing neat a Raman shift of 1600 cm-1.

Accumulators/compensators for pressurized fluent material systems are provided, in which a continuous substantially non-permeable, flexible membrane (like a bellows) surrounds or is surrounded by a non-gaseous support medium, all within a surrounding housing. Various combinations of support media, which may include internal gas-filled cavities, are described and illustrated.

The invention discloses a flexible multipoint tool set for positioning and supporting thin-walled curved surface parts, which comprises an operating platform and at least three supporting/fixing units, wherein the supporting/fixing units are all arranged on the operating platform, and each supporting/fixing unit comprises a spherical hinge side draught vacuum chuck, a first hoisting assembly and a fixed base, the spherical hinge side draught vacuum chuck is arranged at the upper part of the first hoisting assembly, and the lower part of the first hoisting assembly is arranged on the fixed base; the fixed base of each supporting/fixing unit is provided with a first electromagnet, and the first electromagnet is in magnetic suction with the upper surface of the operating platform; and the operating platform is also provided with at least two positioning units, each positioning unit comprises a positioning pin, a second hoisting assembly and a positioning base, the positioning pin is arranged at the upper end part of the second hoisting assembly, the lower end part of the second hoisting assembly is arranged on the positioning base, and the positioning base is connected with the operating platform. The flexible multipoint tool set disclosed by the invention not only can accurately position thin-walled curved surface parts, but also can conveniently move above the operating platform and adjust the distance between every two supporting/fixing units.

Disclosed is an unique reclosable metal bottle in which a trim portion of the neck can be reused and mounted on the neck as a collar, or a separate collar provided, that has the structural rigidity necessary to form threads or lugs for recloseability. Thin wall metal bottles, having thicknesses on the order of thin wall metal cans currently in use, can be made using this process with minimal material waste since the trim neck portion is reused as a threaded collar. Structural rigidity and strength can be added by using fillers to backfill the indentations of the threads in the collar. Threads or lugs can be used, including pressure release lugs, that add both safety and convenience. Since the reclosable metal bottle is an all-metal container, the bottle can be recycled without introducing contaminants.

Devices and methods are disclosed for achieving hemostasis in solid visceral wounds. Such devices and methods are especially useful in the emergency, trauma surgery or military setting. In such cases, the patient may have received trauma to the abdominal viscera. The devices utilize flexible, variable depth transfixing bolts that penetrate the viscera. These bolts are pulled tight to bring the tissue into apposition and hold said tissue in apposition while the wound heals. These bolts overcome the limitations of sutures that are currently used for the same purposes. The bolts come in a variety of lengths and diameters. Since the bolts are flexible, the curvature may be adjusted by the surgeon. The devices are flexible, bendable, and conformable in their wet or dry state. They can be used either straight or through a broad range of curvatures to suit the needs of various pathologies. The bolts include pressure plates that are capable of exerting compressive pressure over broad areas of visceral wounds without causing tearing of the friable parenchyma. The bolts may be placed and removed by open surgery or laparoscopic access.

The invention relates to a solar heating system for a building with a cast-in-situ open-web floor, which belongs to a system for providing heat for the building by using solar energy. In the proposal, sunlight is focused on a heat energy receiver by a concentration chip, and then hot air generated by the heat energy receiver is blown to the floor by a fan. The floor is formed by cast-in-situ of thin-walled box bodies; the thin-walled box bodies form a hot air cycle channel in the floor by using connecting channels; the hot air heats the floor after entering the floor, so the entire floor becomes a heat dissipating integration. The lower part of the thin-walled box bodies is provided with an air outlet leading to a room; when the air outlet is opened, the hot air is discharged to the room directly to heat the room quickly. The proposal makes use of the energy of the nature, so the solar heating system is clean and environment-friendly and saves cost and power; besides, the proposal makes full use of own structural characteristics of the building to avoid the problems of installation of additional devices and space occupation.

An expandable well screen has a desirable thin-wall construction together with a simplified fabrication method. In fabricating the screen, a flexible sheet of metal mesh filter media is diffusion bonded to an inner side of a perforated metal sheet which is then deformed to a tubular shape to form a filter structure having an outer perforated tubular shroud interiorly lined with the filter media. The tubular filter structure is telescoped onto a perforated base pipe and has its opposite ends sealingly secured thereto to complete the expandable well screen.

A soft chewable capsule film suitable for medicament or foodstuff encapsulation, and a method of fabricating capsules from such a film. Such capsules demonstrate fast rupture in the oral cavity, good mouth feel and chewability, and rapid dissolution of the shell components. In particular, the modified starch is substantially ungelatinized, due at least in part to the processing temperature, and may act as a water retention agent to promote hydration. Additionally, gelatins are selected for bloom strengths that result in a robust capsules that may be fabricated at a thinner wall thickness than previously experienced in the art. Accordingly, such thin capsules have a smaller mass than traditional capsules of the same size and dissolve more quickly than chewable capsules having greater thicknesses. The capsules may be fabricated by a rotary die process at speeds greater than those generally known for soft chewable capsules.

The invention discloses a kind of thin thermal insulating inner wall paint. The comprised components and their weight proportion are as follows: styrene-acrylic emulsion 28- 35%, titanium dioxide 8- 13%, fillings 10- 18%, borosilicate hollow microsphere 6- 12%, water- brone nanometer anti- pollution agent 0.5- 2%, defoaming agent 0.3- 0.5%. Said hollow microsphere is hollow white spherical powder with thin wall, the main component is silicon dioxide and diboron trioxide, the real density is small and heat conductive coefficient is 0.04- 0.08 w/ m.k. The invention aslo discloses the preparation and construction method for said paint. It employs high pressure airless painting process for construction, the aperture of employed gunjet nozzle is 0.6- 0.8 mm, atomization pressure is 15- 18 Mpa, and when the coating layer is 0.3- 1.0 mm, the coating layer is homogeneous and tight, and the thermal insulating effect is good. The paint is especially suitable for building inner wall and ceiling painting.

A high-porosity thin-wall cordierite-type cellular ceramics is prepared proportionally from LiO2, talc, kaolinite, calcined kaolinite, alpha-AlO, aluminum hydroxide, silicon powder, solid adhesive, and the liquid organic additive prepared from water, propanetriol, liquid adhesive, surfactant and lubricant. Its preparing process is also disclosed.

The invention discloses a thin-wall ring part machining method and an automatic auxiliary supporting device thereof. According to the allowance of a workpiece bearing surface, the corresponding machining method can be adopted. In the manufacturing procedure that the workpiece bearing surface has allowance, according to the change of contact force between the workpiece bearing surface and the automatic auxiliary supporting device after a certain number of materials of workpieces are removed, the automatic auxiliary supporting device can automatically adjust radial auxiliary supporting space positions, and workpiece deformation in the machining process can be released. In the manufacturing procedure that the workpiece bearing surface does not have allowance, the automatic auxiliary supporting device is controlled to support the workpiece bearing surface to be of an ideal shape, and then machining is performed. In order to implement the machining method, the automatic auxiliary supporting device is invented, and the device can adjust the radial auxiliary supporting space positions automatically. By means of the thin-wall ring part machining method and the automatic auxiliary supporting device thereof, the effect that part deformation is small after unloading is guaranteed, wall thickness precision can meet the requirements, and meanwhile automation of the auxiliary supporting device is realized.

A piezoelectric vibration element includes: a piezoelectric substrate; excitation electrodes that are arranged so as to face each other on both principal faces of the piezoelectric substrate; drawn-out electrodes; and pads. The piezoelectric substrate includes an excitation portion that is located at the center and a peripheral portion that is thin-walled to be thinner than the thickness of the excitation portion and is disposed on a peripheral edge thereof. The pads have support areas that fix the piezoelectric substrate to a support member at positions of the piezoelectric substrate corresponding to corner portions. The excitation electrodes are formed over the excitation portion and a vibration area that is at least a part of the peripheral portion.

The invention discloses a high-flowability high-glossiness no-surface-defect colored metallic-pearl-effect spraying-free polypropylene automobile material and a preparation method thereof. The material is composed of the following components in percentage by weight: 40.8-74.4% of polypropylene, 2-4% of toughener, 5-20% of mineral master batch, 5-10% of compatilizer, 0.4-0.6% of antioxidant, 0.4-0.6% of light stabilizer, 0.8-2% of lubricant, 6-10% of surface modifier, 3-6% of colored metallic pigment master batch and 3-6% of pearl color master batch. By using the high-melt-flow-rate polypropylene resin, compatilizer, surface modifier, mineral master batch, colored metallic pigment master batch and pearl color master batch, all the components can be uniformly dispersed, so that the material has the advantages of favorable glossiness, favorable pearl effect, favorable metallic sensation and no surface defect, and the appearance effect is infinitely approximate to the painting effect. The material can solve the problem of surface flow mark, tiger skin or fusion wire in the thin-wall complex-structure large-size product without especially customizing the ultrahigh-glossiness mirror surface mold or harsh injection molding technique, and can implement direct color-bearing injection molding of the part.

A method of making a catheter balloon, and a balloon formed thereby, in which a polymeric tube is radially expanded in a mold having a wall with an outer surface and an inner surface defining a chamber, and having at least a section with one or more channels in the wall. The channels result in improved transfer of heat to the polymeric tube within the chamber of the mold during blow molding of the tube to form a balloon, so that the tube is heated more quickly and evenly. One aspect of the invention is directed to a balloon having sections with improved thin walls.

The invention provides an external thin-wall vacuum duct maglev traffic system of a power system. A vacuum duct with small wall thickness is adopted, a linear motor coil, a track levitation mechanism and other communication, detecting and control devices are arranged outside the duct and provide power, levitation force and control to vehicles in the duct in the state that one thin duct wall is used for separation. The material of the duct wall is required to have no effect on the electromagnetic field of a linear motor and the levitation magnetic field of a levitation device, for example, non-magnetized stainless steel, carbon alloy, glass fiber reinforced plastics or high-strength organic materials are adopted, or the duct is made of a composite material. The arrangement has the advantages that the installation construction of a linear motor stator and the levitation mechanism can be conveniently performed outside the duct; routine maintenance and repair during operation can also be performed outside the duct; mechatronic systems can be well cooled, and heat aggregation in the vacuum duct is avoided; and the space in the duct is not occupied; and the construction, maintenance and system operation costs of the vacuum duct high-speed maglev traffic system can be lowered.

An acquired volume data from a subject, which is allocated in points constituting three-dimensional space and forming a group of data representing a physical property of the subject, is recorded in a recording means, a characteristic quantity computed from values of the physical property held by the volume data at each point is extracted by a characteristic quantity extracting means, and three-dimensional image is generated by providing opacity to the characteristic quantity by three-dimensional image generating means, whichever the volume data is voxel volume data or polar-coordinate ultrasound volume data, so that the internal structure of parenchymatous organs, especially internal blood vessels and cavitary structures can be displayed three dimensionally.

The invention discloses a preparation method of a large quartz ceramic crucible, which is formed based on the method of gel casting molding, and particularly comprises the following steps: a) taking fused quartz with purity of 99.0-99.9% according to the mass percent as a raw material, and carrying out granular grading on the grains of the fused quartz; b) uniformly mixing the raw material proportioned by the step a), adding gel solution, preparing into pulp in a ball mill or a blender; c) injecting or pressure-injecting the prepared pulp prepared by the step b) into a preheated metal mold, and taking out from the metal mold after the pulp is solidified into green bodies; d) naturally drying the green bodies; and e) putting the dried green bodies into a high-temperature furnace, baking toobtian the large quartz ceramic crucible. Raw material grain proportioning and the preparation method, optimized by the invention, can product the quartz ceramic crucible with larger overall dimension and thin wall for fusion of special glass, casting of polycrystalline and calcining of rear earth material.