Abstract: A polishing head of a wafer polishing apparatus is provided with: a membrane head that can independently control a center control pressure pressing a center portion of a wafer, and an outer periphery control pressure pressing an outer peripheral portion of the wafer; an outer ring integrated with the membrane head so as to configure the outer peripheral portion of the membrane head; and a contact type retainer ring provided outside the membrane head. The membrane head has a central pressure chamber of a single compartment structure that controls the center control pressure, and an outer peripheral pressure chamber that is provided above the central pressure chamber, and that controls the outer periphery control pressure. A position of a lower end of the outer ring reaches at least a position of an inner bottom surface of the central pressure chamber.

Abstract: A drainage apparatus and a reinforced cutting board system that resists warping and is adapted to collect, store, and manage fluids, liquids, or juices resulting from the use of a cutting board without reducing an effective cutting area of the cutting board's cutting surface, and an associated method for making the same. The drainage apparatus generally featuring a continuous lateral member, which can define a fluid channel. The drainage apparatus being capable of effectively collecting, storing, and managing fluids, liquids, or juices through the use of the fluid channel. The reinforced cutting board system generally featuring a cutting board body, a drainage apparatus, and a reinforcing system. The reinforcing system being capable of effectively resisting warping. The method of making the cutting board system generally comprising providing suitable material, forming a desired shape, and providing a drainage apparatus.

Abstract: A substrate processing apparatus includes a polishing section and a transport section. The polishing section has a first polishing unit, a second polishing unit, and a transport mechanism. The first polishing unit has a first polishing apparatus and a second polishing apparatus. The second polishing unit has a third polishing apparatus and a fourth polishing apparatus. Each of the first to fourth polishing apparatuses has a polishing table to which a polishing pad is mounted, a top ring, and auxiliary units that perform a process on the polishing pad during polishing. Around the polishing table, a pair of auxiliary unit mounting units for mounting the respective auxiliary units in a left-right switchable manner with respect to a straight line connecting a swing center of the top ring and a center of rotation of the polishing table is provided at respective positions symmetrical with respect to the straight line.

Abstract: A method for the production of a dental object (1) by grinding a blank (2) made of ceramic or a ceramic-plastic composite material, wherein, for the production of a preform (3) having an outer contour (4) that differs from a final outer contour (5) of the dental object (1) to be produced, a grinding channel (8) is machined into the blank (2) or into a pre-preform (9) already made from the blank (2), in at least one grinding process using a grinding tool (6) of a grinding device (7), wherein the outer contour (4) of the preform (3) is formed with the grinding channel (8) on one edge (10) thereof, and on the edge (11) of the grinding channel (8) opposing the outer contour (4) of the preform (3), at least one remaining piece (12) is removed from the blank (2) or from the pre-preform (9) at least in sections.

Abstract: A torque output device includes a body with an opening in the top. A top toothed part is located beneath the opening and includes a bore located corresponding to the opening. The top toothed part includes multiple top teeth. A drive shaft secured in the body and includes a central hole in which a rod is located. A driving portion is formed to the lower end of the drive shaft. The drive shaft and the top toothed part are freely rotated relative to each other. A bottom toothed part is mounted to the drive shaft and freely moves up and down relative to the drive shaft. A resilient member is mounted to the drive shaft and biases the bottom toothed part. A pressure collar is threadedly connected to the lower end of the body to set the torque between the engagement of the top and bottom teeth.

Abstract: Apparatus and method for receiving and holding debris in a collection chamber of a vacuum cleaner. The collection chamber has an inlet opening through which debris-entrained air enters the collection chamber. When the vacuum cleaner is off, an internal valve prevents debris from leaving the collection chamber through the inlet opening. The internal valve is movable from a first sealed position, in which the internal valve covers the chamber inlet opening, to a second unsealed position in which the internal valve does not cover the chamber inlet opening.

Abstract: The present invention provides a polishing pad for a wafer polishing apparatus, comprising: an upper pad having a front surface part, which has a cut surface and is in contact with a wafer, a rear surface part positioned on the lower part of the front surface part, and a plurality of grid grooves passing through the front surface part and the rear surface part; a lower pad, which is arranged on the lower part of the upper pad and can be attached to a surface plate; and an adhesion part positioned between the upper pad and the lower pad to couple the upper pad with the lower pad.

Abstract: An adapter plate for use with a floor finishing machine for coupling abrasive drive plates to the spider arms of the floor finishing machine which includes a plurality of stamped plate components which when joined together form a polygon on which is mounted a plurality of hub members in which shafts are journaled for rotation in a spherical bearing. The shafts are, in turn, coupled to the abrasive drive plates.

Abstract: A polishing apparatus according to an embodiment includes a polishing pad including a polishing surface for polishing a polishing target object and a membrane including a contact surface that is in contact with the polishing target object on the opposite side of the polishing surface. The contact surface is deformed from a flat surface into an uneven surface in response to pressure applied to the membrane.

Abstract: The present disclosure provides a wet chemical heating system, including a first conduit for transporting wet chemical, a dispensing head connected to the first conduit, and a radiative heating element configured to heat the wet chemical in the first conduit and positioned at an upper stream of the dispensing head.

Abstract: A system for removing and replacing tires including a removing tool assembly, a lifting tool assembly and a wheel assembly is disclosed. The removing tool includes an elongated shaft having an arcuate tire hub rest mounted perpendicularly to the distal end of the shaft. The removing tool further includes a threadably adjustable extension for securing the device in the tire rim which is mounted in an anti-parallel direction to the tire hub rest. The lifting tool includes a lifting tool shaft with a lifting base that is used to bring the wheel upright. The lifting tool also includes an inserting portion that also helps to bring the wheel upright. The inserting portion is inserted into a lug nut opening and the lifting base presses against the wheel allow the user to pull towards themselves. The upright wheel is then mounted onto the vehicle with all necessary repairs completed.

Abstract: A mounting system having a dual plunger arrangement wherein the side of each plunger has a pull down cam to provide a desired pull down action in relation to at least two studs, the cams moving relative to one another and axially aligning relative to one another relative to the two axially spaced pull down studs to allow the plungers to provide a maximum hold down force for the two pull down studs, balance the hold down forces thereby maximizing performance and reducing unlocking forces.

Abstract: A door breach device can include: an elongate shaft having a first end and an opposite second end; a pivot mechanism at the first end of the shaft; a spearhead rotatably coupled with the pivot mechanism and having a tip on a tip-side of the pivot mechanism and having a shaft cavity on a shaft-side, where the shaft cavity is adapted to receive the shaft therein; a restraint slidably received on the shaft-side of the spearhead and on the shaft; a handle protruding from the shaft; and a hitch at the second end of the shaft. A method of breaching a door can include: forcing the spearhead through a door until the restraint releases the spearhead and the spearhead rotates by the pivot mechanism so as to form an angle with the shaft; and pulling the spearhead against the door until the door is breached.

Abstract: A cleaning tool for an extraction cleaner includes a tool body including a nozzle portion connected to an elongated handle portion and a nozzle cover removably mounted to the nozzle portion forming a suction nozzle therebetween. The suction nozzle is configured to extract recovered liquid and dirt. The cleaning tool also includes an internal conduit in fluid communication with the suction nozzle configured to transport recovered liquid and dirt extracted by the suction nozzle. The internal conduit extending longitudinally within the handle portion between opposite ends of the handle portion. The cleaning tool further includes a spray nozzle configured to distribute cleaning liquid forward of the nozzle cover and a supply tube configured to carry cleaning liquid to the spray nozzle. The spray nozzle passes through the suction nozzle or the inlet conduit.

Abstract: Systems and methods for treating concrete, which includes the steps of wetting a surface of concrete with colloidal silica, allowing time for the colloidal silica to penetrate the concrete surface, and cutting the surface of the concrete with a bladed or segmented tool wherein the longitudinal blade or edge portion is positioned approximately at an angle between 30 degrees and 90 degrees relative to the surface of the concrete.

Abstract: A method of processing a plate-shaped workpiece is provided. The method includes the steps of sticking a protective member to a face side of the workpiece, holding the face side of the workpiece on a holding surface of a chuck table with the protective member interposed therebetween, grinding a reverse side of the workpiece held on the chuck table to thin the workpiece by rotating a grinding wheel including grinding stones that contain abrasive grains, while a grinding fluid is being supplied from a grinding fluid supply nozzle to the reverse side of the workpiece, and after the step of grinding the reverse side of the workpiece, treating the workpiece or the grinding stones by rotating the grinding wheel and bringing the grinding stones into contact with the reverse side of the workpiece, while stopping supplying the grinding fluid from the grinding fluid supply nozzle.

Abstract: A system and apparatus for Computer Numerically Controlled (CNC) machines wherein a workpiece is maneuvered about a working surface.

Abstract: A glass polishing device has a casing adapted for operative engagement with the exterior surface of a powered drill motor. The casing includes a handle extending from a second side opposite an opening in an opposite first side thereof from which a handle of the engaged drill motor projects. A triggerable fluid supply is coupled to the casing and projects fluid to a tool or a section of glass being resurfaced by the tool.

Abstract: A tool for installing and removing a highly-torqued fastener that allows an individual to easily and efficiently remove or install a bolt from or onto a crankshaft pulley or similar assembly. The tool includes a prismatic housing, a worm gear assembly, a torque input, and a torque output. The prismatic housing is a rigid structure that is used to conceal and protect the worm gear assembly. The torque input allows an individual to manually provide the torque force through the use of a ratchet tool, motor drive, or other similar tool. The torque output is able to receive a bolt socket in order for the tool to provide the torque force to a bolt of a crankshaft pulley. The worm gear assembly is used to transfer the torque force from the torque input to the torque output. Thus, the tool can easily remove or install a bolt.

Abstract: A lens cleaning device includes: a housing shaped to fit over an end of a camera lens; a wiper movably attached to the housing, the wiper movable across the housing from a first position adjacent a first side of the housing to a second position adjacent a second side of the housing; and at least one SMA wire mechanically associated with the wiper. When the SMA wire is activated, the wiper is moved between the first position and the second position of the housing such that the wiper sweeps debris from a field of view of the camera lens.