Abstract: A piercing nut according to the present invention includes an internal thread 11, a ring-shaped punching part 12, a ring-shaped groove 16, and a bearing surface 17. The internal thread 11 is formed at the center of a nut main body 10. The ring-shaped punching part 12 protrudes around the outer periphery of the internal thread 11. The ring-shaped groove 16 is formed around the outer periphery of the ring-shaped punching part 12. The bearing surface 17 protrudes around the outer periphery of the ring-shaped groove 16. The height h of the ring-shaped punching part 12 is equal to or lower than the height H of the bearing surface 17 in the opposite manner to the conventional technique.

Abstract: A method for manufacturing a structural surface heat exchanger of preset or left-hand final shape for an aircraft includes the steps of forming, shaping and assembling, by welding or brazing, a first corrugated skin and a second smooth skin in order to obtain channels. Each channel is delimited by a corrugation of the first skin and the second smooth skin so as to form a structural surface heat exchanger of preset or left-hand final shape, wherein a fluid is configured to circulate in the channels and air is configured to circulate in contact with the second smooth skin.

Abstract: A wind turbine blade assembly includes a first blade half and a second blade half fixed to the first blade half, defining a blade interior therebetween. The wind turbine blade assembly includes a shear web includes at least one aperture formed therein. The wind turbine blade assembly includes at least one bulkhead attached to the shear web, wherein the shear web and the at least one bulkhead are disposed in the blade interior. In some embodiments the at least one bulkhead includes a frame and a removable lid in order to expose the blade interior and the lid is returnably fixable to the at least one bulkhead. In some embodiments the first and second bulkheads include fluid conduits disposed therethrough and are spaced from one another to define first and second air circulation zones.

Abstract: A rivet element for setting a thread into at least one component has a head portion which can be interlockingly brought into abutment with the component and a sleeve portion which can be inserted into an opening extending through the component and can be plastically deformed. The sleeve portion is provided with an internal thread into which a traction mandrel and/or a screw element can be screwed. The sleeve portion has a protruding rib structure on the outer circumference, the rib structure having at least one first support rib and at least one second support rib which extend in the longitudinal direction of the sleeve portion and are separated from one another by a recess. After the plastic deformation of the sleeve portion, the support ribs contact one another in order to allow a direct force flow between the head portion and the sleeve portion.

Abstract: A method is for manufacturing a laminated steel sheet comprising laminated a predetermined number of thin steel sheets formed by punching a belt-shaped thin steel sheet into a predetermined shape. This method includes the following steps 1 to 3: step 1: a step of sequentially punching the thin steel sheet into a predetermined shape with a metallic die; step 2: a step of applying a curable composition to a predetermined portion of the thin steel sheet; and step 3: a step of irradiating the curable composition with energy rays. The curable composition is a delayed curable composition which is cured after a lapse of a predetermined time after being irradiated with energy rays.

Abstract: The present invention is directed to a method for coating a component, wherein the component has a first and a second surface, and wherein the first and the second surface adjoin each other at an edge, in which method i) first of all, the edge between the first and the second surface is rounded, and ii) subsequently, a coating is applied to the first surface.

Abstract: An extraction device for a heating tracer includes a clamping assembly and a driving member. The clamping assembly includes a connecting seat, a first extrusion wheel and a second extrusion wheel rotatably arranged on the connecting seat. The first extrusion wheel and the second extrusion wheel are both an eccentric wheel. In use, the heating tracer is clamped between the first extrusion wheel and the second extrusion wheel, and is in contact with an outer circumference of the first extrusion wheel and the second extrusion wheel. The driving member includes a main body and a drive shaft arranged thereon. The main body is configured to drive the drive shaft to extend along an axial direction of the main body. The drive shaft is connected to an end of the connecting seat away from the first extrusion wheel and the second extrusion wheel.

Abstract: The disclosure is directed to a method of manufacturing a power transmission device that can include forging to form a planetary carrier plate integrated with dog teeth, sintering to form a planetary carrier, and joining the planetary carrier plate to the planetary carrier by brazing the planetary carrier plate to the planetary carrier at support parts arranged in a circumferential direction at a peripheral edge part of the planetary carrier so that the planetary carrier plate is fixed to face the planetary carrier on a side of the planetary carrier where a pinion gear is positioned. The method can further include sintering the planetary carrier plate and the planetary carrier, forming a pinion shaft hole for mounting a pinion shaft that constitutes the pinion gear in the planetary carrier plate and the planetary carrier, and performing high-frequency quenching on the dog teeth of the planetary carrier plate.

Abstract: A dental overlay for preparing a tooth is prepared. Movements a cutting tool follows in preparing the tooth are simulated based on data acquired from a dentition and define tooth structure to be removed by the tool from the tooth. The overlay is produced with an inner surface corresponding to and configured for contacting a contact region on and extending between respective top and bottom portions of and partially around the tooth or a neighboring tooth of the tooth. The respective bottom portion or portions are configured to be adjacent to a gingiva. The inner surface thereby remains releasably fixed to the contact region and in a same position relative to the tooth upon pressure to the overlay by the tool during the defined tooth structure removal. A groove of the overlay is configured for contacting the tool to limit its movements to predetermined movements corresponding to the simulated movements.

Abstract: A climate control system including a heat exchanger assembly with a housing having an external air inlet, an external air outlet, an internal air inlet, and an internal air outlet. The system further includes an auxiliary air vent assembly coupled to the heat exchanger assembly. The auxiliary air vent assembly includes a rim at least partially defining an internal air inlet region and an internal air outlet region.

Abstract: A parallel cell based mobility production system is disclosed. The system includes a serial production line composed of a plurality of cells arranged in series, and through which the vehicles of various types are sequentially passed to be processed. The system further includes a parallel production line composed of a plurality of sublines arranged in parallel, wherein each subline is provided with the plurality of cells arranged in series and matched for each vehicle type, and in which a vehicle passing through the serial production line is fed to a corresponding subline for each vehicle type. Furthermore, the system includes an inspection line in which the vehicles of various types passing through the parallel production line are sequentially fed.

Abstract: A method for manufacturing an engine poppet valve comprising a valve head portion manufacturing operation in which hot forging is employed to form a stem/head intermediate product; a stepped stem portion manufacturing operation in which cold drawing is employed to cause a stepped stem portion comprising a first stem portion which has been made to be of decreased diameter, a step portion which has been formed by a stem member inlet surface, and a second stem portion in which there is absence of decrease in diameter and which is continuous by way of the step portion with the first stem portion to be formed from an intermediate stem portion; and a joining operation in which a stem end portion having a same outside diameter as the first stem portion is joined to a base end portion of the first stem portion.

Abstract: Methods of manufacturing a semiconductor processing chamber showerheads may include forming a melted aluminum alloy composition, cooling the melted aluminum alloy composition at a rate of at least 103 K/sec to form solid aluminum alloy particles, and forming a core region of a showerhead from the solid aluminum alloy particles. The core region of the showerhead may include an inner core region and an outer core region that may be coupled together. The inner core region may define a plurality of apertures. The outer core region may define a channel that receives a heating element. The methods may include coating the core region with one of aluminum or aluminum oxide and joining a peripheral edge of the outer core region with an inner edge of a metallic annular liner. The metallic annular liner may have a lower thermal conductivity than the core region of the showerhead.

Abstract: A heat and humidity exchange plate for an air-to-air heat exchanger is made by continuously forming an expanded metal structure from a strip of metal foil by slitting the metal foil in a transverse direction, stretching the metal foil in a longitudinal direction, and then rolling over an entire width of the strip of metal foil. The expanded metal structure is subjected to an annealing heat treatment. A vapour-permeable polymeric membrane is provided on the annealed expanded metal structure. Corrugated and embossed-shaped elements are formed on the annealed expanded metal structure with the vapour-permeable polymeric membrane by means of omnidirectional deformation. A circumferential shape of the exchange plate is formed by removing excess edges from the annealed expanded metal structure with the vapour-permeable polymeric membrane.

Abstract: A method of installing a cage nut fastener against a frame member without the aid of tools includes: providing a cage nut fastener having a spring cage and a nut prevented from rotation within the spring cage, wherein the spring cage includes first and second lever arms arranged at opposite sides thereof, each lever arm extending in a rearward direction behind a back wall of the spring cage; applying a compression force upon at least one of the lever arms, without the aid of tools, to manipulate the spring cage to a compressed state; positioning a distal end of each of the lever arms through an aperture of the frame member; and releasing the compression force so that a portion of each of the lever arms presses against an edge of the aperture, thereby securing the cage nut fastener against the frame member.

Abstract: A method for coupling a first medical device component to a second medical device component includes altering the first medical device component from a natural state to an altered state, by reducing a cross-sectional dimension of the first medical device. The method further includes fitting a first portion of the first medical device component in the altered state into a first opening of the second medical device component. The first medical device component includes second portions not within the first opening of the second medical device component. The method further includes allowing the second portions of the first medical device component to revert back to the natural state.

Abstract: Fastening collars, multi-piece fastening systems, and methods of fastening are provided. The fastening collar comprises a first end, a second end, and an elongate portion intermediate the first end and the second end and defining a longitudinal axis of the fastening collar. The elongate portion comprises a first region adjacent the first end, a second region intermediate the first region and the second end, and a cavity. The first region comprises a first diameter and is configured to be received by a bore of a structure. The second region comprises a second diameter greater than the first diameter. The cavity extends through the elongate portion and is configured to receive at least a portion of a shank of the multi-piece fastening system. The elongate portion is configured to at least partially deform onto the shank responsive to forcible contact between the second region and an installation tool.

Abstract: A method of manufacturing a perforated sheet which has at least one hole. The method includes introducing at least two spaced boreholes into a sheet, the at least two spaced boreholes being formed so that they each pass through a thickness of the sheet, introducing a continuous cut between the at least two spaced boreholes in the sheet, and bending open a section of the sheet which is adjacent to the continuous cut so as to form a hole.

Abstract: The invention relates to a device for measuring and adjusting the parameters of the chassis geometry at a rear axle of a motor vehicle on a production line for the motor vehicle. Gripping and holding means for the rear axle and loading means for the rear axle are associated with the production line. According to the invention, a plurality of interchangeable frames is associated with the production line, and positioning means for positioning one of the interchangeable frames into a position for gripping the rear axle in the production process are associated with the production line. The gripping and holding means for the rear axle and the loading means for the rear axle are associated with the interchangeable frame in question. The interchangeable frames can thereby be matched to rear axles of different vehicle types, such that these different rear axles can be processed in one assembly line.

Abstract: An equipment rack that includes a modular compute chassis, a modular processing unit located in the modular compute chassis and where the modular processing unit is configured to remove from the front of the modular compute chassis in a frontward direction, relative to the front side of the modular compute chassis, and an air mover unit located in the modular processing unit and where the air mover unit is configured to remove from a rear side of the modular processing unit in a rearward direction, relative to the front side of modular compute chassis.