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113results about How to "Reduce the potential for damage" patented technology

Combined type bidirectional moving intelligent garage carrying robot

The invention discloses a combined type bidirectional moving intelligent garage carrying robot. A traveling mechanism for driving a first trolley to move forwards and backwards, a sliding eliminating mechanism for eliminating a parking deviation of a vehicle, a lifting mechanism for lifting the vehicle and a clamping mechanism for clamping tires of the vehicle are arranged on the first trolley. According to the combined type bidirectional moving intelligent garage carrying robot, no comb tooth exchange is needed, and reduction of the service life of each tire due to excessive squeezing on the tire is avoided; automatic matching with the consistent clamping degree of the position and the size of each tire can be realized; in an alignment process, no friction is generated on the tires, the ground vibration is isolated, and the universality is high; the combined type bidirectional moving intelligent garage carrying robot has the advantages of low civil engineering requirement, high carrying efficiency and the like; meanwhile, the combined type bidirectional moving intelligent garage carrying robot is simple in structure, low in cost, high in working efficiency, long in service life and easy and convenient to operate.
Owner:JIANGSU ZHONGTAI PARKING IND CO LTD

Method for manufacturing fracturing fluid

The invention discloses a method for manufacturing fracturing fluid, and belongs to the technical field of chemicals for oil and gas production. The method is characterized in that refined cotton with a high polymerization degree is used as a cellulose raw material, and celluloses are alkalified and etherified and are subjected to micro-crosslinking to obtain a high-viscosity thickening material (semi-synthesis polymer gel) with high salt resistance; the high-viscosity thickening material is used as a thickener and a substitute for guar gum, and metal aluminum salt or titanium salt or zircon salt or a composite of the metal aluminum salt, the titanium salt and the zircon salt is used as a crosslinking agent to develop the all-clean aqueous fracturing fluid. The method has the advantages that shortcomings of the traditional guar gum fracturing fluid and a fracturing technology of the traditional guar gum fracturing fluid are overcome; the fracturing fluid is high in viscosity and salt resistance and excellent in high-temperature sand-carrying and sand-suspending performance; the fracturing fluid is free of residues after gel breaking, is low in damage to formations and is not easy to mildew, and potential damage to reservoir due to gel breakage dead space and accumulation of residual gel is reduced; the fracturing fluid can resist the high temperature of 150 DEG C.
Owner:山东金晓阳生物科技有限公司

Low Normal Force Retracting Device Comprising a Microtextured Surface

Retraction of one or more three-dimensional or planar amorphous objects is provided to gain access for a procedure where the retracted elements are easily damaged by application of normal forces. For example, a surgical instrument to provide access to an organ or tissue plane. Microtextured surfaces are provided that provide immobilization of amorphous objects, the immobilization of which is characterized by low normal forces and high shear or in plane forces. The retraction device is comprised of microstructured surfaces on one or more arms. Preferably these arms are soft and flexible to minimize damage to retracted objects. In some instances, these arms resemble and are used as a nonslip tape. Alternatively, parts or whole arms of the retraction device are rigid to provide a supportive aspect. These arms may be configured around a handle. Furthermore, the microtextured aspect may be further augmented with conventional gripping surfaces, such as a sticky surface, or a surface comprised of one or more hooks or barbs. The handle means may be distributed over the retraction device, for example, holes distributed along the arms through which anchoring means are tied. The retraction device is particularly well suited for grasping wet, oily, slimy or living surfaces by applying a small nondestructive normal force.
Owner:BVW HLDG

Rotary type fluid passage changeover valve

The invention provides a rotary type fluid passage changeover valve. The rotary type fluid passage changeover valve comprises a valve body, a valve element, a driving device and an elastic part, wherein the valve body is provided with a valve cavity; the valve element is arranged in the valve cavity in a rotatable mode, and a high-pressure channel and a low-pressure channel which are independent of each other are formed between the valve element and the side walls of the valve body; the driving device is located at the first end of the valve element and is in drive connection with the valve element so as to drive the valve element to rotate; the elastic part is located at the second end of the valve element and abuts against the valve body and the valve element respectively, a first cavity is formed between the first end of the valve element and the valve body, a second cavity and a third cavity which are independent of each other are formed between the second end of the valve element and the valve body, and the third cavity is located in the outer side of the circumferential direction of the second cavity; at least one of the first cavity, the second cavity and the third cavity is communicated with the high-pressure channel, and the remaining cavities of the first cavity, the second cavity and the third cavity are communicated with the low-pressure channel. The problems of increase of input torque of a motor and abrasion to moving parts in the prior art are effectively solved according to the technical scheme.
Owner:ZHEJIANG SANHUA ROTARY VALVE

Dental holder

An apparatus for holding a dental prosthesis during preparation of the dental prosthesis, the apparatus comprising: at least one base, the at least one base having an upper surface, at least one pin, and the at least one pin comprising a first end and a second end, the at least one pin further comprising a flared portion at the first end, and the first end extending beyond the upper surface of the at least one base, and the second end extending through and into the upper surface of the base. The use of an apparatus for holding a dental prosthesis during preparation of the prosthesis and for holding the dental prosthesis during firing without having to transfer the prosthesis to a second tray for firing. A method for preparing a dental prosthesis, the method comprising the steps of: a) mounting a substructure on an apparatus comprising at least one base, the at least one base having an upper surface, at least one pin, and the at least one pin comprising a first end and a second end, the at least one pin further comprising a flared portion at the first end, and the first end extending beyond the upper surface of the at least one base, and the second end extending through and into the upper surface of the base, b) applying at least one layer of ceramic to prepare a dental prosthesis, and c) firing the prosthesis mounted on the apparatus in a furnace.
Owner:MURSIC JONATHAN CARL

Disc grinders

A disc grinder includes a grinding wheel cover rotatably mounted to a gear housing about an axis of a spindle. A stopper device can restrict a position adjustable range of the grinding wheel cover of the spindle and includes a first stopper on the side of the grinding wheel cover and a second stopper on the side of the gear housing. The first stopper and the second stopper have stopper surfaces for contacting with each other. An impact absorbing device can absorb an impact produced when the stopper surfaces contact with each other.
Owner:MAKITA CORP

Preparation syringe integrated structure

The invention discloses a preparation syringe integrated structure. The preparation syringe integrated structure comprises a stretchable piston, a needle cylinder, a syringe needle, an exposed rubberplug, a sealing fin, a built-in rubber plug, a sealing rubber plug and a cohesion rubber plug, a stretchable piston is arranged at one end of the needle cylinder, and a clamping column is arranged atthe other end of the needle cylinder, the exposed rubber plug is mounted on one side of stretchable piston, away from the needle cylinder, the built-in rubber plug is mounted in the needle cylinder, scale lines are formed on the circumference surface of the needle cylinder. According to the preparation syringe integrated structure, a storage medicine bottle and a syringe are designed as an integrated structure, intermediate links are reduced, and thus the waste of the liquid medicine caused by incomplete liquid medicine suction and liquid medicine overflowing is reduced, at the same time, professional risks of medical workers are reduced, and the problem that particle formed due to repeated puncture causes the potential injure to a patient is reduced; the matched stretchable piston structure reduces the overall length, and provides convenience for the operation of puncturing; and by the syringe needle, of which the section is of an epsilon-shaped structure, the waste of the liquid medicine is effectively avoided as well.
Owner:JIANGNAN UNIV
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