139results about How to "Eliminate risk of damage" patented technology

A process is proposed for laying and mechanically jointing floorboards provided with tongue and groove engagements on all sides for horizontal attachment. The process involves a) jointing of a number of boards and making them engage on their transverse sides n order to lay a first row on the floor of a room, b) jointing of a first board for a second row and making it engage with one or two boards in the first row using the tongue and groove joint on the longitudinal side for the purpose of starting a second row, c) pushing the tongue (or groove) of a second board into the groove (or tongue) on the transverse side of the first board in the second row, with movement from the longitudinal side towards the boards in the first row, and d) making the second board engage with one or two boards in the first row.

A programmable automatic docking system for a marine vessel, wherein the programmable automatic docking system includes a set of starboard side transducers and a set of port side transducers to detect and transmit real-time distance, position and velocity information of the marine vessel in relation to an external object,A programmable processor control unit receives the real-time distance, position and velocity information to control a set of propulsion elements to automatically control the marine vessels direct path of travel toward an external object and maintain the marine vessel at a pre-selected distance once the pre-selected distance is reached.

The invention relates to a method and a system for measuring geometric error of a machine tool based on a one-dimensional measuring head and standard balls. The method comprises the following steps ofS1, according to the type of a numerically-controlled machine tool, arranging the standard balls at multiple position points on the numerically-controlled machine tool, and utilizing the one-dimensional measuring head in the vertical direction to measure the three-dimensional offset of the center of each standard ball on the numerically-controlled machine tool; S2, on the basis of a geometric error model of the numerically-controlled machine tool, obtaining the position-related geometric error of the numerically-controlled machine tool according to the obtained three-dimensional offset of thecenter of each standard ball at each position point in S1. Compared with the prior art, the method has the advantages that the eccentricity of the center of each standard ball due to the geometric error of the machine tool is measured by the one-dimensional measuring head, the measuring value is used as coordinate reference, and the problem of failure of the machine-mounted measuring head due todegrading of the accuracy of the machine tool is effectively solved; the geometric constraint on the measuring head in the measuring process is avoided, the difficulty in numerical control programmingof the movement track of the measuring head is effectively decreased, and the damage risk of the measuring system due to mistake of the movement track is eliminated.

A method involves forming vias in a device-bearing semiconductor wafer, making at least some of the vias in the device-bearing semiconductor wafer electrically conductive, and performing back-end processing the device-bearing semiconductor wafer so as to create electrical connections between an electrically conductive via and a metallization layer. An alternative method involves forming vias in a device-bearing semiconductor wafer, making at least some of the vias in the device-bearing semiconductor wafer electrically conductive, and processing the device-bearing semiconductor wafer so as to create electrical connections between an electrically conductive via and a conductive semiconductor layer.

A process is proposed for laying and mechanically jointing floorboards provided with tongue and groove engagements on all sides for horizontal attachment. The process involves a) jointing of a number of boards and making them engage on their transverse sides n order to lay a first row on the floor of a room, b) jointing of a first board for a second row and making it engage with one or two boards in the first row using the tongue and groove joint on the longitudinal side for the purpose of starting a second row, c) pushing the tongue (or groove) of a second board into the groove (or tongue) on the transverse side of the first board in the second row, with movement from the longitudinal side towards the boards in the first row, and d) making the second board engage with one or two boards in the first row.

A detachable device for covering an end of an electrical connector, comprising a non-conductive cover, sealingly attachable, and completely covering the mating end of the connector. An external end of the cover is generally planar with electrically conductive pads corresponding to the conductive terminals of the connector, and electrically connecting the pads to the terminals. The electrically conductive pads are arranged in a pattern, oriented to provide a single line-of-sight for machine recognition.

Thin walled compartmented tubular structure and its manufacturing process. The elbow or T-shaped structure, includes an external wall (14)and continuous internal walls (22) made in one piece. This therefore materialises, between the inlet (10) and each outlet (12) of the structure, at least one continuous passage to direct a fluid circulating inside it. The structure according to the invention is manufactured by diffusion welding and superplastic forming, from titanium alloy sheets. One application is for aircraft de-icing circuits.

A clip includes a pin having at at least a part thereof a noncircular cross-section, and a grommet having an insertion hole into which the pin can be inserted, wherein a part of the grommet is adapted to be expandable by insertion of the pin into the insertion hole. The grommet has slope surfaces provided at an entrance-side hole edge of the insertion hole to lead the pin into the insertion hole when the pin is displaced from a normal position to be in contact with the entrance-side hole edge of the insertion hole.

Thin walled compartmented tubular structure and its manufacturing process.The elbow or T-shaped structure, includes an external wall (14)and continuous internal walls (22) made in one piece. This therefore materializes, between the inlet (10) and each outlet (12) of the structure, at least one continuous passage to direct a fluid circulating inside it. The structure according to the invention is manufactured by diffusion welding and superplastic forming, from titanium alloy sheets. One application is for aircraft de-icing circuits.

A programmable automatic docking system for a marine vessel, wherein the programmable automatic docking system includes a set of starboard side transducers and a set of port side transducers to detect and transmit real-time distance, position and velocity information of the marine vessel in relation to an external object. A programmable processor control unit receives the real-time distance, position and velocity information to control a set of propulsion elements to automatically control the marine vessels direct path of travel toward an external object and maintain the marine vessel at a pre-selected distance once the pre-selected distance is reached.

A straddle-ride type vehicle (e.g., a scooter) comprises a vehicle cover assembly that includes at least a cover that partially covers the vehicle's body and a rear side cover that covers the cover from the outside of the vehicle body. The cover including a projection at an end thereof that extends toward the rear side cover. This construction of the cover assembly eases the manufacture of the covers and eases the assembly thereof so as to present a high quality of outward appearance without strictly controlling the manufacturing tolerances of the covers.

The present invention relates to a system for subsea installation of elongate flexible element, comprising a container for allocating / storing / accommodating an elongate flexible element intended to be installed, said container being positioned on a trenching vehicle arranged to trench said elongate flexible element into the seabed, which container comprises a guide system arranged to control the release of the flexible element, and which trenching vehicle is further linked to a surface vessel via an umbilical cable whereby said vehicle is remotely operable subsea from said surface vessel wherein said guide system comprises a coiling arrangement for keeping the elongate flexible element in a defined coiled configuration inside said container.

A bag filter supporting cage member for a bag filter system, includes several longitudinal rods which are connected to mutually spaced-apart rings, wherein the rings have groove-like receiving depressions which are open towards the outer side, the longitudinal rods being received and held therein.

The present invention has a body with front and back surfaces, top and bottom sides, and two opposed ends. A display panel is on the front of the body. A processor is housed within the body. A dial can be connected to the front end of the body. The dial can have a head with an opening therein for allowing a laser beam to be projected from the head. A grid can be on the head for manually determining the angle between the longitudinal axis of the body and the head. The processor can electronically determine the angle between the longitudinal axis of the body and the head. The head can project forward from the front surface of the body. A side of the body can abut the side of a piece of material to be cut. A laser line can then be projected onto the material surface.

Method and device for providing, in an engine-driven goods vehicle, at least two driving wheels (9, 10, 51, 52) and at least one differential (5, 6, 45, 46, 47) arranged between the driving wheels (9, 10, 51, 52). The device includes an engine control unit (3), at least one differential lock (7, 8, 48, 49, 50) for locking or braking the differential (5, 6, 45, 46, 47), the differential lock (7, 8, 48, 49, 50) being arranged between the driving wheels (9, 10, 51, 52). An operating element (4, 44) for activating each of the differential locks (7, 8, 48, 49, 50). The engine control unit (3) being configured to read-off the position of the operating element (4, 44) and to limit positive or negative output torques of the engine (1) when activating at least one of the differential locks (7, 8, 48, 49, 50) and as a function of the transmission ratio prevailing in the transmission (2, 42).

A phosphor (photo-luminescent) material based authentication system in which a blend (mixture) of at least two, preferably three or more, phosphor materials are used as a photo-luminescent security marking which is applied to or incorporated within an article / document to be authenticated. Preferably, the phosphor materials are each excitable by “eye safe” excitation radiation comprising visible light of wavelength 380 nm to 780 nm. Moreover, when excited the security marking preferably also emits visible light thereby minimizing any risk of damage to an operator's eye in the event of accidental exposure to the excitation radiation and / or light generated by the photo-luminescent marking. The authenticity of the article / document can be authenticated by verification of the composition of the phosphor by exciting the marking and comparing one or more selected parameters of light emitted by the security marking with corresponding parameters of the characteristic emission spectrum of the authentic phosphor blend.

An anti-vibration mount for an in-vehicle video display is disclosed for supporting a display device inside a moving vehicle so as to allow the display device to be attached to a mounting surface inside the vehicle without use of the mounting holes of the display device. The anti-vibration mount includes a base plate that directly connects to a mounting surface inside the vehicle. A plurality of adjustable support arms connected to the base plate securely hold the display device, and reduce vibration of the display device caused by vibration of the mounting surface in the vehicle.

A blade holding apparatus for holding one end of a wind turbine blade during handling, which blade holding apparatus includes a support structure including an opening for accommodating one end of the wind turbine blade, a clamping arrangement arranged in the opening, which clamping arrangement is realized to exert a clamping force on the wind turbine blade, and a locking arrangement for locking the clamping arrangement relative to the support structure. A method of operating such a blade holding apparatus during a handling procedure of a wind turbine blade is also provided.

The invention belongs to the field of plant cultivation, and discloses a seedling cultivation pipeline assembly for seedling automated circulation and manual fixed point operation. A factory area is divided into areas with different temperature and humidity environments, including a material storage area, a crop processing area, a crop growth promoting area, a crop growth area, a washing area, anda finished product storage area, wherein the crop growth promoting area is divided into a germination area and a healing area; seedbeds and / or trays are adopted as basic logistics units, and the pipeline assembly for circulating seedlings in the above areas is composed of wheeled rails, push-pull rails, conveyor belts, light-duty cranes, and mobile lifts. The invention also provides the using method of the seedling cultivation pipeline assembly for seedling automated circulation and manual fixed point operation. According to the seedling cultivation pipeline assembly for seedling automated circulation and manual fixed point operation and the using method thereof, a continuous logistics line is adopted for connecting working points, and a production mode in which the crops to be operated are transferred through the automated logistics line and operators operate at fixed points is achieved. The operators' daily walking distance is reduced by 90%, and employee's labor intensity is reduced by 30%.

A voltage transformer with a sequentially switchable voltage selection circuit is provided for converting input electrical energy through the sequentially switchable voltage selection circuit, which is arranged within the transformer body with its two ends electrically connected to an input port and an output port respectively, into one of a plurality of output voltage values and outputting the electrical energy. When it is desired to regulate an output voltage, a connection device must be plugged in a socket portion on the transformer body to initialize a micro control unit through feedback to change a voltage value sent to a voltage transformation unit, and in turn change the voltage of output electrical energy until a display device displays an ideal output voltage value. Then, the user removes the connection device, and the voltage value of the input electrical energy is converted into corresponding to the selected predetermined voltage value to output the electrical energy.

An access device installs on a wellscreen joint during manufacture and allows access to one or more spaces or layers where tracer elements can be installed adjacent the joint's screen jacket (i.e., internal and / or external to the screen jacket). Portion of the access device is removable to allow installation of the tracer elements after the joint has been manufactured. With the tracer elements installed, the access device can be reassembled and locked in place. Any various mechanism can allow the access device to be partially removed, the tracer elements to be installed, and the access device to be reassembled in place. For example, an end ring holding the jacket on the basepipe can have at least one channel communicating with a space or layer for insertion of the tracer elements. A removable cover can be removed to allow access to the at least one channel and can be reattached for the wellscreen to be used downhole.

A hydraulic control for a longwall support with a plurality of face support frameworks (1-3), which are adapted to be actuated in the sense of longwall support functions, in particular in the sense of the longwall support operations: robbing, advancing, and setting, comprises hydraulic control valves (8, 9) for each of the biasing elements, which are each arranged in close spatial relationship with the biasing elements, and subdivided into groups. Each group connects to a hydraulic pressure line (16), which extends over the longwall length of a plurality of face support frameworks, via a group connection line (18), which can be blocked by a group stop valve (20) as a function of the actuation of the control valves, specifically, when all control valves are not actuated and all biasing elements of the group are in a static state.

The invention relates to a device for crimping an element (3) to be crimped on a part (20) with a crimping surface, said device including: a punch (1), translatably mobile in a direction D and suitable for applying, in said direction D, to said element (3) to be crimped, a force with a given intensity in order to crimp said element (3) to be crimped; a part (2) for positioning said element (3) tobe crimped; and a percussion die (4) with one operational surface (41), kept at a predetermined distance (d) relative to said outlet (25) of the passage (21) arranged in said positioning part (2). According to the invention, said device comprises a frangible element (6), which holds said die (4) and which is capable of breaking when a force with an intensity greater than a maximum value is exerted on said operational surface (41).

A method for calculating the shape of a band-shaped superconductor (3) of a solenoid-shaped coil section of a high-field magnet coil (1) in a transfer region (5) is characterized in that the band-shaped superconductor (3) is changed in the transfer region from a first orientation (3a) tangentially flatly abutting on the surface of a cylindrical coil body (2) and substantially perpendicular to the longitudinal direction of the cylindrical coil body (2) to a second orientation (3b) with its narrow side seating on the surface of the cylindrical coil body and parallel to the longitudinal direction (or vice versa). The path z(u) is determined from the integral-differential equationz″⁡(u)(1+z′⁡(u)2)32=sin⁢⁢(τ⁢⁢∫0u⁢ⅆu^⁢1+z′⁡(u^)2)rminwherein z: axial coordinate; u: azimuthal coordinate; û: auxiliary coordinate; τ: constant torsion in the transfer region; rmin minimum bending radius of the band-shaped superconductor, and wherein the position z=0, u=0 is associated with a boundary point 4a, 4b of the transfer region. This permits conductor guidance of a brittle band-shaped superconductor of a solenoidal coil section in an axial direction in a compact construction without joints.

In a battery having a structure that an electrode plate group, formed by winding a positive electrode plate and a negative electrode plate with a separator interposed therebetween, is housed in a battery case together with an electrolyte solution, the electrode plate group is rolled around a roll core, and both ends of the roll core are supported by the battery case.

The invention belongs to the field of automobile body sheet metal manufacturing, and particularly relates to a skylight lateral shaping die, which comprises a male die opposite to the inner side of the flange of a skylight, and a female die opposite to the outer side of the flange of the skylight, wherein the male die and the female die are respectively arranged on a lower die base slidably; an open-close type structure is formed between the male die and the female die; the male die and the female die are respectively driven by an inclined wedge driver block on an upper die base; the lower die base is also provided with a push rod for transmitting driving force of the inclined wedge driver block to the male die; the push rod extends to the outer side of the edge of a top cover through the lower part of the top cover from the skylight position; the push rod and the inclined wedge driver block form transmission fit on the outer side of the edge of the top cover. According to the skylight lateral shaping die, when the top cover without the skylight is produced, the skylight lateral shaping die can avoid the top cover, so that the skylight lateral shaping die has no need to be disassembled, the production efficiency is improved, and the risks of workpiece scrappage and die damage caused by misoperation are eliminated.