Abstract: A dual-functional screen cleaner has a housing unit, a cleaning body, and a cleaning liquid container. The housing unit has a first housing and a second housing opposite the first housing. The first housing and the second housing have a first housing trough and a second housing trough respectively. The second housing trough has an upper housing trough and a lower housing trough opposite the upper housing trough. The cleaning body is removably accommodated in the lower housing trough. The cleaning liquid container is located in the upper housing trough.

Abstract: A stocker including a main body unit having a plurality of receiving shelves, a transfer unit transferring a received material to be moved to the main body unit, a robot arm stacking the received material transferred by the transfer unit on one of the receiving shelves of the main body unit, and a dirt collecting unit moving in conjunction with the robot arm to remove particles from inside the main body unit.

Abstract: A surface cleaning apparatus comprises an air flow path extending from a dirty air inlet to a clean air outlet, an air treatment member and a suction motor. The surface cleaning apparatus may comprise a power cord removably mounted to a power cord wrap and removable in a cord removal direction. The power cord wrap may comprise at least first and second spaced apart cord retaining members. At least one of the cord retaining members may be a moveable cord retaining member that is moveable between a cord storage position wherein the moveable cord retaining member is oriented to inhibit removal of the power cord and a cord removal position wherein the moveable cord retaining member extends generally in the cord removal direction.

Abstract: An air quality monitoring system is associated with a housing of a vacuum cleaner and includes at least one sensor for measuring data of an air quality parameter and a display, such as a color screen, for presenting information regarding the air quality parameter that is measured by the at least one sensor. The air quality monitoring system may be a self contained unit that may be removed from the housing of the vacuum cleaner or may be included as an integral part of the vacuum cleaner.

Abstract: A vacuum cleaner brushroll clutch having a motor, clutch assembly input rotated by the motor, brushroll, clutch assembly output to rotate the brushroll, drive clutch, and starter clutch. The drive clutch is connected to the clutch assembly output and moveable between a first position in which it does not directly contact the clutch assembly input and a second position in which it directly contacts the clutch assembly input to transmit a first torque directly from the clutch assembly input to the clutch assembly output. The starter clutch is connected to the drive clutch and moveable between a first position in which it does not engage the clutch assembly input and a second position in which it engages the clutch assembly input to transmit a second torque from the clutch assembly input to the drive clutch to move the drive clutch into the second drive clutch position.

Abstract: An upright surface treating appliance includes a main body and a cleaner head connected to a yoke. The main body is rotatable relative to the yoke about a first axis for movement between an upright position and a reclined position. A stand is moveable relative to both the main body and the yoke, between a supporting position for supporting the main body in its upright position, and a retracted position. The stand is biased towards its retracted position by a spring. An actuator is rotatable about a second axis spaced from the first axis and has a set of teeth which meshes with a profiled surface to drive movement of the stand towards its supporting position against the biasing force of the torsion spring. A drive member drives rotation of the actuator about the second axis as the main body is moved from a reclined position to an upright position.

Abstract: A gate holder is normally in an open position. When pulled down, a return mechanism is compressed and a gate holding portion engages a self-closing gate for a period of time sufficient to allow a user to move through the gate, and which automatically returns to its open position allowing the gate to close without further interaction by the user.

Abstract: In an automatically closing hinge, a first body and a second body are mounted on a fixed shaft, and axial and radial moving members are adjacently disposed inside the fixed shaft. The second body pivoting rearward in relation to the first body enables an inward radial movement of the radial moving member, and during the inward radial movement the radial moving member causes a forward axial movement of the axial moving member. An energy storing member in the fixed shaft is configured to store energy during the forward axial movement of the axial moving member and to release energy for driving the axial moving member to make a reverse axial movement. During the reverse axial movement the axial moving member pushes the radial moving member to make an outward radial movement. The radial moving member during such outward radial movement drives the second body to pivot forward.

Abstract: The invention includes a universal retractable handle assembly for attachment to luggage items of a variety of different sizes. A plurality of tubes having a fixed length can be attached to a bracket member such that each tube can extend in a telescoping manner to a different distance from the bracket member when the handle is in the extended position and thus be employed in different sizes of luggage. Additionally, a tube housing is provided which includes a tube receiving portion and reinforcing portions on an outer surface of the tube housing. The tube receiving portion is formed with an arcuate shape which corresponds with the shape of the tube member to be inserted therein. The reinforcing portions include a plurality of planar flanges which extend beyond the outer surface of the tube receiving portion to provide improved structural characteristics.

Abstract: A door hinge includes two hinge parts that are connected to each other in articulating fashion. One of the hinge parts has a base plate for attachment to a door frame or door leaf and at least one insert that is adjustable in two directions (x, y, z) relative to the base plate. An intermediate piece is situated between the insert and the base plate that is movable relative to the base plate along a first linear guide in a first direction (x). The insert is movable relative to the intermediate piece along a second linear guide in a second direction (z). A fixing means for providing a clamping locking action extends through a front section of the base plate, the intermediate piece and the insert.

Abstract: The invention relates to a furniture hinge comprising a base plate, which is designed to be fastened to a furniture body, and a hinge arm that is mounted so as to be movable by an adjustment device in a controlled manner relative to the base plate within a predetermined adjustment range, wherein the adjustment device prevents the hinge arm from falling from the base plate by displacement. The furniture hinge has a fall guard for the hinge arm which prevents the hinge arm from falling relative to the base plate upon uncontrolled displacement of the hinge arm caused by failure of the adjustment device, and the hinge arm is mounted so as to be movable relative to the base plate within the predetermined adjustment range despite the fall guard.

Abstract: A hinge (1) for a door opening over a horizontal axis, of the type comprising first and second supports (2, 3) that can be fixed to a compartment structure and to a door, at least rotatably constrained to each other through a pin (10). The hinge (1) comprises a fluidic cylinder-piston damper (9) of the type with internal flow leakage of the fluid contained therein. The damper (9) has a piston (18, 19) with a through-hole (20). The piston (18, 19) can have an appendix (19) that non-sealingly engages a chamber (17) when the door is closed, to increase the dampening. The hinge (1) has elastic means (7) such as a spring, to counteract the falling movement of the door when it is opened. The hinge (1) can be of the cam type, with a cam (4) and an abutment (5).

Abstract: An adjustable torque hinge includes a set hinge, a torque providing unit and a torque adjusting unit. The set hinge unit couples a first and second wing plate with a pivot pin. The first and second wing plates forms a pin joint with a first sleeve and second sleeve. The torque providing unit includes a torque spring to provide turn back recovery. A torque adjusting unit has a torque adjustment member. The first sleeve includes a first cam, and the torque adjustment member includes a second cam which couples with the first cam to drive the torque adjustment member to the torque spring. Conversion between the first and second sleeves enables the bearing hinge to be used in both directions, accumulating force both in normal and reverse directions to adjust the torque force for opening and closing operations.

Abstract: The present invention relates to a hinge apparatus for a door, and more particularly, to a separated type hinge apparatus with an automatic return function, in which a restoring device and a damping device are installed separately so that the overall length of the hinge apparatus is reduced, and thus the hinge apparatus may be buried less deeply. A separated type hinge apparatus comprises: an elastic casing; a first elastic member that provides a restoring force; a clutch device which is combined with one end of the first elastic member and controls the elastic force of the first elastic member to remain constant; a shaft penetratively combined through the clutch device in order to transmit a rotational force; and a spring fixing member which is coupled to the other end of the first elastic member and has a gear groove to control a spring elastic force.

Abstract: A work machine handle device includes a handle foldable relative to a frame. The frame has a handle support part about which the handle turns. The handle intersects the handle support part. Left and right attachment parts, which are portions where the handle intersects the handle support part, are supported by a handle turning mechanism with suitable pressure.

Abstract: A retractable bar includes an inner tube, an outer tube and a positioning assembly. The outer tube has a longitudinal sliding groove and multiple locating notches. The outer tube is axially movably sleeved onto the inner tube. The positioning assembly has a positioning block and a press button. The positioning block is accommodated in the longitudinal sliding groove, and the positioning block has a positioning protrusion and a threaded hole. The press button has a threaded portion engaged with the threaded hole and is movable between a first position where the positioning protrusion is forced into engagement with one of the locating notches to lock the outer and inner tubes and a second position where the positioning protrusion is disengaged from each locating notch for allowing the axial relative movement of the outer tube to the inner tube for adjustment of the length of the retractable bar.

Abstract: The present invention is directed to an apparatus and method for utilizing an airbag clamp for securing an airbag onto an inflating tube of an airbag system. An embodiment of the present invention includes a body, a first engaging portion, and a second engaging portion. The body may be capable of surrounding the device, wherein the body may include a first end and a second end that are capable of moving towards each other. The first engaging portion may be located at a first end, wherein the first engaging portion may include at least one plate. The second engaging portion may be located at the second end, wherein the second engaging portion may include at least one plate. The engaging portions may be capable of being fitted together and the plates may be capable of being fastened together to secure the clamp around the material and device.

Abstract: A releasable tie includes a locking head and a strap body. The locking head includes a base plate, a pair of first side walls, a second side wall, and an operating rod. The operating rod is disposed above a window of the base plate, has a first top surface, and is bilaterally connected to the first side walls via connecting members. One first engaging tooth is provided at a predetermined depth extending vertically downward from the first top surface. The first engaging tooth has a second top surface which defines a first tooth depth. The operating rod includes an arm extending toward the strap body. The strap body has a bottom surface formed with plural second engaging teeth engageable with the first engaging tooth. The second engaging teeth have a predetermined tooth pitch smaller than the predetermined depth and a second tooth depth smaller than the first tooth depth.

Abstract: A snap button wherein when a male snap is removed from a female snap, a rotation between the snaps is limited, but is permitted normally. A male-side grooved surface is provided on a male snap radially outward from a projection of the snap with a plurality of grooves formed so that peaks and troughs of the grooves are arranged continuously in the circumferential direction. A female-side grooved surface similar to the male-side grooved surface is provided on a female snap radially outward from a projection-receiving space of the snap. The female-side grooved surface is inclined relative to the male-side grooved surface. When the male snap is removed from the female snap, each axis of the male snap and the female snap, which are yet in a coupled state, inclines relative to each other, causing the male-side grooved surface and the female-side grooved surface to partially engage with each other.

Abstract: A push button type belt buckle includes a moveable rod and a push button arranged to be interlaced with each other and configured to cooperate with spring mechanisms provided in a belt base. With such a unique structure, a buckling pin provided on the moveable rod is able to floatingly buckle a belt with ease while exhibiting an elastic characteristic capable of returning to its original position such that the adjustment of the extent of the fastening and buckling of the belt can be advantageously achieved via the push button reliably and such that the push button type belt buckle of the present invention is of the improved effects of facilitated operations and simplified assembly requirements and functions.

Abstract: A piercing rib clip has first and second legs defining a space for receiving a rib of a component held thereby and a piercing pin held by at least one of the legs piercing the rib held between the legs.

Abstract: The invention relates to a device for detachably fastening a camera to a carrying strap. The device for detachably fastening a camera to a carrying strap includes an eyelet piece comprising an eyelet, a flexible extension fixed to the eyelet piece, and a fastening element designed as a stand screw for securing to the camera, said element being disposed on an end of the flexible extension facing away from the eyelet piece. The special feature of the eyelet of the eyelet piece is that it has an opening in the peripheral rim thereof, through which a carrying strap, in particular a carrying strap that is part of another system, such as the carrying strap of a handbag or camera bag, can be threaded.

Abstract: A touch-and-close fastener part includes a two-dimensional carrier (1) and a main tang (7) extending from the carrier. The main tang has at least one secondary tang (9) located on it and supporting the main tang (7) on the carrier (1). The fastener part can be obtained as hooking elements (5), in particular by punching or cutting. The main tang (7) can be raised up about a bending line (13) forming a first connecting region with carrier (1), into a functional position over the carrier (1). The secondary tang (9) forms a connecting area lying against the carrier (1) and representing a second connecting region.

Abstract: An adjustment system for adjusting the width of a cuff has an elongated adjustment strip having a set of longitudinally extending teeth. Each tooth has a forward side and a rearward side. A length of each forward side is greater than a length of each of the rearward sides so that an angle between a longitudinal axis of the strip and the forward side is less than an angle between the longitudinal axis and the rearward side of each tooth. There is a locking mechanism formed by a base plate having a locking device on an underside and a guide for slidably connecting the locking mechanism to the strip. The tooth and the locking device are configured so that the locking device can be moved forward along the strip using only a small amount of force, and can then be moved rearward using a larger amount of force.

Abstract: Buckle assemblies for use with child seats and other personal restraint systems in vehicles are disclosed herein. A buckle assembly configured in accordance with one embodiment of the disclosure includes a housing assembly that receives at least a portion of a web connector. The housing assembly includes a coating having a generally soft or tactile surface finish. For example, the coating can be at least partially elastically compressible.

Abstract: A method for practicing a swaging operation is described. A swaging apparatus comprises a housing, a holding unit, and a moveable member. The holding unit on the housing is capable of receiving and holding an inflexible tube and a swage fitting. The moveable member is capable of moving axially along the housing with respect to an axis for the inflexible tube and the swage fitting to connect the swage fitting to the inflexible tube and create a seal between the swage fitting and the inflexible tube.

Abstract: A manually operable tool for engaging a grommet including a tool body having a first end having a handle, a second end having an opening to a tubular portion adapted for engagement with a peg, and a shaft segment. A clamp body is movably attached to the tool body, the clamp body includes a sleeve slidably coupled to the tool body around the shaft segment, a grommet clamp, and a control arm attached to the clamp body; wherein the control arm is adjustable between a first position and a second position; and first and second clamp jaws are movable relative to each other between an open clamp position and a closed position.

Abstract: A bone plate manufacturing method includes an image acquisition step, an image reconstruction step, a comparison step, a data retrieval step, a model designing step and a bone plate manufacturing step. The image acquisition step acquires an original 3D craniofacial image. The image reconstruction step uses an image processing system to perform image reconstruction of the original 3D craniofacial image to obtain a reconstructed 3D craniofacial image, and the image processing system comprises a plurality of mechanical data. The comparison step compares the original 3D craniofacial image with the reconstructed 3D craniofacial image and defines the image difference therebetween as a defected portion. The data retrieval step retrieves a portion of the mechanical data and defines a mechanical compensation area on the reconstructed 3D craniofacial image. The model designing step designs a bone plate mold. The bone plate manufacturing step manufactures a bone plate.

Abstract: A method and tooling for partial disassembly of a bypass turbofan engine wherein the longitudinal axis of the bypass turbofan engine remains generally horizontal during disassembly. The low pressure turbine module is removed with a low pressure turbine module horizontal removal tool. An extended bearing nut tool may be supported by a stabilization member and may remove a bearing nut. An extended high pressure turbine shaft stretching tool may stretch a high pressure turbine shaft to release a high pressure turbine shaft nut. An extended bearing pulling tool may be used to pull a bearing while the low pressure turbine shaft remains in place. A modified measurement bridge may be used to measure the position of certain components while the low pressure turbine shaft remains in place. A nozzle jig may be used to assemble nozzles and feather seals to create a nozzle module.

Abstract: The invention concerns a method for fastening a retainer of an airbag, in particular of a window bag, to a body of a motor vehicle. The method for fastening including the steps of: arranging the retainer on the body by inserting a hollow pin in a corresponding bodyshell opening; positioning a tool on the retainer; and pressing a pin into an opening of the hollow pin to radially expand the hollow pin, and thereby securing the hollow pin in the corresponding bodyshell opening.

Abstract: A gas sensing device (nanosensor) includes a substrate with at least a pair of conductive electrodes spaced apart by a gap, and an electrochemically functionalized semiconductive nanomaterial bridging the gap between the electrodes to form a nanostructure network. The nanomaterial may be single-walled carbon nanotubes (SWNTs) functionalized by the deposition of nanoparticles selected from the group consisting of an elemental metal (e.g., gold or palladium), a doped polymer (e.g., camphor-sulfonic acid doped polyaniline), and a metal oxide (e.g. tin oxide). Depending on the nanoparticles employed in the functionalization, the nanosensor may be used to detect a selected gas, such as hydrogen, mercury vapor, hydrogen sulfide, nitrogen dioxide, methane, water vapor, and/or ammonia, in a gaseous environment.

Abstract: A method is provided, for manufacturing a stator for a rotary electric machine by shrink-fitting an outer cylinder to a core assembly where a cage-shaped wound coil is assembled with segment cores. The assembly is inserted into the outer cylinder having a diameter increased by thermal expansion caused by the heat from a heating unit, while the outer diameter of the assembly is being reduced by permitting the assembly to pass through a tapered guide unit. The guide unit has a portion whose diameter is larger than an outer diameter of the assembly, and a portion whose diameter is larger than an inner diameter of the outer cylinder and smaller than an inner diameter of the cylinder in the thermally expanded state, and a tapered through hole vertically passing through the guide unit. Thus, the size of the assembly is radially reduced, with a uniform diameter being obtained throughout the assembly.

Abstract: Method for stacking microelectronic devices using two or more carriers, each holding microelectronic devices in an array so they may be registered. Each device is releasably held by its edges in a carrier to allow access to top and bottom surfaces of the device for joining. Arrays of devices held in two or more carriers are juxtaposed and joined to form an array of stacked devices. A resulting stacked device is released from the juxtaposed carriers holding each device by releasing forces of the corresponding carrier urging upon edges of the device, thereby permitting removal of the stacked device.

Abstract: Provided is a method for fabricating a molded stator of a rotary electric machine, the method comprising: a lamination step of laminating a plurality of core sheets each having a plurality of core pieces connected to one joining portion via bridge portions, thereby forming a divided-laminated-core group structure; a winding step of winding a coil on a teeth portion of each divided laminated core of the divided-laminated-core group structure; a cutting step of cutting the bridge portions, thereby separating the divided laminated cores wound with the coils; a temporary fixing step of temporarily fixing the divided laminated cores circularly arranged to form a stator; and a molding step of placing, in a mold, the stator into which a mold mandrel is inserted along the inner circumferential surface, and molding an outer circumferential surface of the stator with resin.

Abstract: Disclosed is a gripper for use with a disk clamp end effecter in a disk drive manufacturing process used for mounting a disk clamp to a disk in the manufacturing of a disk drive. The gripper comprises: a disk gripper housing, a lip seal gripper mounted to the disk gripper housing, and a vacuum channel. The lip seal gripper includes an upper portion that fits into the disk gripper housing and a lower portion that has a surface. The surface is configured to extend around the disk clamp to press against the disk clamp. The vacuum channel extends from the upper portion of the lip seal gripper to the lower portion of the lip seal gripper to provide a vacuum to the lip seal gripper such that the surface of the lip seal gripper is gripped by the vacuum to the surface of the disk clamp around the disk clamp.

Abstract: In certain embodiments, a hard disk drive includes at least one disk secured to a motor hub with a disk clamp. The disk clamp is positioned radially off-center with respect to the hub to balance a static drive imbalance. In certain embodiments, a method includes radially offsetting a disk clamp to offset a static drive balance.

Abstract: According to the preferred embodiment, an improved method and apparatus for the manufacturing of an aluminum tube and aluminum fin heat exchanger that includes steps for pneumatic cleaning, thermal cleaning, and uncontrolled-atmosphere open-flame autobrazing of hairpins to return bend fittings. The method uses a tube lubrication system that is adjustable to control amount of lubrication applied to the tube prior to final expansion. The method uses a pneumatic coil cleaning station that is adjusted to reduce the residual oil particulate from the expansion process required to be thermally cleaned.

Abstract: A pre-forming apparatus (4) for an electrical bar conductor (8), comprising a punch (12) provided with moving members for exerting a thrust on the conductor (8) during the relative pre-forming, the punch (12) being axially sliding along a pre-forming direction (X-X) and being provided with a cursor (20) and with a pre-forming head (24) suitable for engaging with the conductor (8). The apparatus (4) comprises a first pre-forming chamber (44) suitable for being crossed by the conductor (8) and by the punch (12) during the forward movement of the punch (12) for the pre-forming operation.

Abstract: An align fixture for aligning an electronic component having an elastic unit plate having an elastic unit receiving section, a receptacle adapted to receive the electronic component and having a first abutting section and a second abutting section, and an elastic unit, the first abutting section being flexibly mounted via the elastic unit, the elastic unit is adapted to exert a force to align the electronic component to the second abutting section, and the elastic unit is a separate elastic member adapted to be mounted at the elastic unit receiving section.

Abstract: In one or more aspects of the present disclosure, a method is disclosed for fabricating a rigid flex cable assembly. The method includes arranging one or more layers of a polyimide film having an electrically-conductive surface into a stack; applying an adhesive to the one or more layers of polyimide film; arranging a top and a bottom polyimide film to a top portion and a bottom portion of the stack to form the rigid flex circuit board; and selecting a suitable pressure and temperature at which to form the rigid flex assembly such that the one or more layers of polyimide film do not move with respect to one another during the fabrication.

Abstract: Disclosed is a method for producing a metal-ceramic substrate. According to said method, a metal layer is applied to at least one face of a ceramic substrate or a ceramic layer by means of a direct bonding process, and the metal-ceramic substrate or partial substrate is aftertreated in a subsequent step at a gas pressure (aftertreatment pressure) ranging approximately between 400 and 2000 bar and an aftertreatment temperature ranging approximately.

Abstract: In a method for positioning and mounting, on a carrier body (6), an LED assembly (1) preassembled on a circuit board (4), the circuit board (4) having the LED assembly (1) is placed and glued onto the carrier body (6), the LED assembly (1) being brought into the prescribed position relative to the carrier body (6) after being placed on the carrier body (6) by a positioning body (11) having centering elements (17) that contact the LED assembly (1) on one side and the carrier body (6) on the other, wherein the circuit board (4) having the LED assembly (1) is aligned with the carrier body (6). The positioning body (11) has a leg (15, 16) extending from a connecting part (12) and having centering elements (17) for contacting the LED assembly (1) on one side and the carrier body (6) on the other side.

Abstract: A method of manufacturing an optical component embedded printed circuit board, the method including: stacking a first insulation layer on one side of a metal core; embedding an optical component in a cavity formed in the metal core; stacking a second insulation layer of a transparent material on the other side of the metal core; and forming a circuit pattern on the first insulation layer, the circuit pattern electrically connected with the optical component.

Abstract: A multilayer printed wiring board includes a first interlaminar resin insulating layer, a first conductor circuit formed on the first interlaminar resin insulating layer, a second interlaminar resin insulating layer formed on the first interlaminar resin insulating layer and the first conductor circuit, a second conductor circuit formed on the second interlaminar resin insulating layer. A via conductor can be formed in the opening portion. The opening portion of the second interlaminar resin insulating layer can expose a face of the first conductor circuit. The via conductor connects the first conductor circuit and the second conductor circuit. The via conductor includes an electroless plating film formed on inner wall face of the opening portion and includes an electrolytic plating film formed on the electroless plating film and on the exposed face of the first conductor circuit exposed by the opening portion.

Abstract: A method is provided for firmly connecting a connector terminal to a flat conductor. This is a method for electrically connecting the pierce terminal 20 having pierce blades 21 that pierce through the flat conductor 102 with the flat conductor 102 by the pierce blades 21, in which the connection state is adjusted based on a terminal reaction force R acting on the pierced blade 21a by a ruptured end surface 102a of the flat wiring conductor 102. The adjustment of the terminal reaction force R is made by adjusting a pressing reaction force F/A generated when the pierce blade 21 pierces through the flat wiring conductor 102.

Abstract: Method for manufacturing a crankcase of a piston compressor, wherein the piston compressor is provided with a crankcase which is provided with recesses for therein receiving cylinders and with at least an inlet opening, wherein from a flat sheet at least one substantially rectangular body blank is manufactured provided with the desired cylinder receiving recesses, wherein the body blank is then angle bent in an angle bending machine for forming a body part having a limited number of folds, wherein at least two substantially flat end walls are manufactured from a flat sheet, wherein thereupon the at least one body part and the at least two end walls are positioned with respect to each other using a positioning tool and are connected with each other with a welding robot for forming the crankcase. Also disclosed is a crankcase obtained with the method, and a piston compressor provided with such a crankcase.

Abstract: The present invention relates to a method for balancing a wind turbine. The method includes the steps of a) measuring at least one property that is dependent on a motor workload of at least one yaw motor 52 of a soft yaw system 5 during a period of time, b) calculating an unbalance based on the measurement of step a), c) determining a pitch offset angle for at least one turbine blade 41 based on the calculation of step b), and d) changing the pitch of the at least one turbine blade according to the pitch offset angle of step c) for decreasing the unbalance. The present invention also relates to a system for balancing a wind turbine.

Abstract: A method for manufacturing a hollow blade for a turbomachine is disclosed in which the blade is manufactured using a preform derived from external primary parts. A primary part including a root portion is formed by upset forging a bar in which material has been forced into a large volume area. Finish forging is done in at least two complementary stamping operations using an intermediate blank in order to limit costs and to use mechanical presses even for large and thin primary parts. Dies for forging the primary part are defined so as to double up at least the forging capacity of a press.

Abstract: A number of flat tubes, flat tube heat exchangers, and methods of manufacturing both are described and illustrated. The flat tubes can be constructed of one, two, or more pieces of sheet material. A profiled insert integral with the flat tube or constructed from another sheet of material can be used to define multiple flow channels through the flat tube. The flat tubes can be constructed of relatively thin material, and can be reinforced with folds of the flat tube material and/or of an insert in areas subject to higher pressure and thermal stresses. Also, the relatively thin flat tube material can have a corrosion layer enabling the material to resist failure due to corrosion. Heat exchangers having such flat tubes connected to collection tubes are also disclosed, as are manners in which such tubes can be provided with fins.

Abstract: The present invention provides a base material for disk rolls which is a platy molded article for obtaining ring-shaped disks for use in a disk roll comprising a rotating shaft and ring-shaped disks fitted thereon by insertion, whereby the peripheral surface of the disks serves as a conveying surface, the base material comprising inorganic fibers having a crystallization temperature of 800-900° C., a filler, and a clay. Also disclosed is a disk roll which comprises disks cut out of the base material.