Bizarre Patents
User-operated amusement apparatus for kicking the user's buttocks
An apparatus including a user-operated and controlled apparatus for self-infliction of repetitive blows to the user's buttocks by a plurality of elongated arms bearing flexible extensions that rotate under the user's control.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7364502 | Cutting wheel The present invention relates to an improved cutting wheel, comprising a disk-shaped abrasive body having two opposite faces and a non-uniform thickness. ... | 04/29/2008 |
| 7353819 | Processing tips and tools using the same A processing tip and a cutting tool employing the same, including a tip body of a mixture of metal and abrasive material, and at least one projection coupled to the tip body, the projection extending in a direction perpendicular to a direction of a plane of contact ... | 04/08/2008 |
| 7351133 | Disc grinding wheel with integrated mounting plate A bonded abrasive grinding wheel is provided with a bonded abrasive disc including abrasive grain disposed within a bond matrix, and a mounting plate integrally fastened to the disc. In various embodiments, the mounting plate has a plurality of non-metallic first th... | 04/01/2008 |
| 7337775 | Cutting tip for diamond tool and diamond tool A cutting tip for a diamond tool and a diamond tool having the same which serve to cut or perforate various brittle materials such as stone, brick, concrete and asphalt. In particular, the cutting tip for a diamond tool and the diamond tool have diamond particles wh... | 03/04/2008 |
| 7195550 | Method and installation for making abrasive grinders and grinder obtained by said method An abrasive product is formed, in a blank making machine, into a layer forming a blank including at least abrasive grains. The layer is then set atop on at least another blank making machine, an assembly line along which successive posts are provided at the site whe... | 03/27/2007 |
| 7128066 | Diamond tool with metal plate inserted therein Disclosed is a diamond tool having a metal plate inserted therein. Between abrasive layers containing diamond particles is inserted a ferrous or non-ferrous metal plate having a wear resistance lower than that of the abrasive layers such that a concave groove is spo... | 10/31/2006 |
| 7117863 | Saw blade for cutting fiber cement An improved circular saw blade designed for cutting fiber cement workpieces, which are becoming more and more prevalent on the construction site, includes a PCD/carbide tip (16) mounted in the rim (31) of the saw blade (10) at six, rather than t... | 10/10/2006 |
| 7115029 | Abrasive cutting disk with lateral steel sheets Cutting-off wheel (1), in particular with a diameter above 500 mm, which is provided laterally with steel sheets or steel grids (2) with a minimum thickness of 0.5 mm. ... | 10/03/2006 |
| 7101276 | Abrasive cutting-off wheel for stationary use An abrasive cutting-off wheel for stationary use is comprised of two partial abrasive wheels which are joined to each other. Each of these partial abrasive wheels comprises an interior supporting disk and a radially adjoining interior layer of abrasive grain. It fur... | 09/05/2006 |
| 7063608 | Grinding wheel having core body coated with impermeable coating A grinding wheel including: (a) an annular core body which includes a multiplicity of aggregate particles and a resin bond that holds said aggregate particles together; (b) an abrasive layer which is disposed radially outwardly of said annular core body and which in... | 06/20/2006 |
| 7004157 | Rotary cutting saw with improved heat dissipation performance A rotary cutting saw including: (a) a base disk which has a plurality of apertures formed therethrough and opening in axially opposite end surfaces thereof; (b) a plurality of abrasive segments which are fixed to an outer circumferential surface of the base disk; an... | 02/28/2006 |
| 6942561 | Reinforced abrasive wheels In a depressed-center abrasive wheel assembly a reinforcement layer of polygonal shape is located between a front face of the abrasive wheel and a front flange. The reinforcement layer is dimensioned to entirely cover the depressed center portion of the wheel. An ex... | 09/13/2005 |
| 6926598 | Grinding wheel A grinding wheel having a tool portion formed by firmly fixing diamond grains to an end face of a cup-shaped core by brazing. A circumferentially continuous groove is formed in a substantially central portion of the end face of the core. The abrasive grains are firm... | 08/09/2005 |
| 6902471 | Heavy-duty tool with a rotationally driven, disk-shaped hub The invention is based on an insertable tool having a rotationally drivable, disk-shaped hub (10, 12), on which a grinding means (14) forming a cutoff disk, grinding disk, roughing disk, or abrasive disk is secured in the radially outer region. ... | 06/07/2005 |
| 6872133 | Wave saw blade A saw blade for cutting hard workpieces, such as concrete or stone, characterized by improvement of the shape of a shank of the saw blade providing a plurality of cutting tips of the saw blade with a rotational force while the cutting tips are securely attached to t... | 03/29/2005 |
| 6840850 | Abrasive grindstone and method for making same A grindstone exhibiting good abrasive properties while being inexpensive and including stacked layers. The stacked layers include at least one layer of abrasive grain, which in turn includes juxtapose zones of different abrasive grains, one of these zones being prox... | 01/11/2005 |
| 6827641 | Grinding wheel having synthetic resin layers covering axially opposite end faces of body of the wheel A grinding wheel including (a) a cylindrical main body having a grinding surface on its outer circumferential surface, and (b) a pair of synthetic resin layers disposed on respective axially opposite end faces of the cylindrical main body. Each of the synthetic resi... | 12/07/2004 |
| 6821196 | Pyramidal molded tooth structure A molded tooth design of generally pyramidal form made of various hard grit materials for use on a grinding wheel for grinding non-metal materials. The tooth structure generally includes a raked face having a neutral to positive rake angle that terminates to a sharp... | 11/23/2004 |
| 6793564 | Rotary tool with combined abrasive and fragmentation action for producing profiles or cuts on sheets of fragile material such as marble, granite, stone, glass and the like The rotary tool for producing profiles or cuts in hard fragile materials such as marble, granite, stone, glass and the like comprises at least one rotationally symmetrical body (1, 2) involving a configuration defined by the envelope of a multiplicity of circ... | 09/21/2004 |
| 6755729 | Porous abrasive tool and method for making the same An abrasive article including from about 40 to about 80 volume percent interconnected porosity, the article being useful as a segment for a segmented grinding wheel, and a method for fabricating the same. The method includes blending a mixture of abrasive grain, bon... | 06/29/2004 |
| 6749496 | Reinforced abrasive wheels In a depressed-center abrasive wheel assembly a reinforcement layer of polygonal shape is located between a front face of the abrasive wheel and a front flange. The reinforcement layer is dimensioned to entirely cover the depressed center portion of the wheel. An ex... | 06/15/2004 |
| 6705936 | Large-width, angular-sided segmental superabrasive grinding wheel The present invention relates to an abrading tool having a rotatable body of revolution having an axis of rotation. A peripheral workface is fixedly attached to the body of revolution. The workface is formed by a plurality of discrete, geometrically-shaped segments ... | 03/16/2004 |
| 6705935 | Abrasive molding and abrasive disc provided with same An abrasive molding composed of a mass of inorganic particles, said mass having pores intervening among the inorganic particles, which molding has abrasive area to be placed in frictional contact with an article to be abraded, and non-abrasive area on a abrading sur... | 03/16/2004 |
| 6663481 | Method of improving the accuracy of a beveling operation applied to a spectacle lens, and a corresponding beveling tool A beveling operation is applied to a spectacle lens to blunt the sharp edges of its contour. Compensation means having a capacity for elastic deformation are operative between an active periphery of a beveling tool and its support shaft during the bevelin... | 12/16/2003 |
| 6641381 | Wafer dicing blade consisting of multiple layers The present invention provides a multi-layered diamond dicing blade. More particularly, the blade is a multi-layered dicing blade comprising an inner layer with a first set of diamond particles and an outer layer overlying the inner layer. The inner layer... | 11/04/2003 |
| 6609963 | Vitrified superabrasive tool and method of manufacture An abrasive tool includes a superabrasive grain component, a filler component that comprises hollow bodies and a vitreous bond. Natural and synthetic diamond, cubic boron nitride and combinations thereof can be employed as the superabrasive grain componen... | 08/26/2003 |
| 6609964 | Method and apparatus for fabricating abrasive tools Methods for orienting fibers and an apparatus for orienting fibers are provided for the fabrication of improved thin abrasive wheels utilizing uniform non-woven fiber reinforcement discs. The wheels are more resistant to hub push-out failure during grindi... | 08/26/2003 |
| 6561177 | Wafer dicing blade consisting of multiple layers The present invention provides a multi-layered diamond dicing blade. More particularly, the blade is a multi-layered dicing blade comprising an inner layer with a first set of diamond particles and an outer layer overlying the inner layer. The inner layer... | 05/13/2003 |
| 6450870 | Vitrified grindstone having pores partially filled with resin, and method of manufacturing the same A vitrified grindstone having a vitrified abrasive structure which has pores and which includes abrasive grains and an inorganic bonding agent that holds the abrasive grains together, wherein 10-95% of a total volume of the pores is filled with a cured re... | 09/17/2002 |
| 6416400 | Apparatus for reducing the roughness and abrasive shedding of coating tapes A polishing apparatus for reducing the roughness and abrasive shedding of coated tapes comprises a cylinder having coaxial channels or grooves of various forms, which are advantageously thread-like. Axial grooves may be additionally provided.... | 07/09/2002 |
| 6402607 | Fine-machining tool for machining gear workpieces A fine-machining tool, a honing wheel in particular, characterized by an axial laminar structure with a center layer and two exterior layers bonded to each other, the center layer consisting of a plastic material in which cutting grains are embedded, and ... | 06/11/2002 |
| 6402606 | Grinding wheel having urethane resin bushing in its center mounting hole A grinding wheel having a main body and a tubular bushing member which is fitted in an inner circumferential surface of a mounting hole formed through the main body, so that the grinding wheel is mounted on a wheel spindle of a grinding machine, with the ... | 06/11/2002 |
| 6358133 | Grinding wheel A cylindrical, abrasive grinding wheel having a cylindrical abrasive region with an abrasive surface at an outer circular band thereof. The abrasive region includes layers of abrasive particles. The layers of abrasive particles can be tilted with respect ... | 03/19/2002 |
| 6319109 | Disk-shaped grindstone A disk-shaped grindstone including a base disk and an abrasive layer which is bonded to the base disk. The base disk is provided by a rapidly-solidified aluminum alloy whose major component is Si, wherein the rapidly-solidified aluminum alloy includes 15 ... | 11/20/2001 |
| 6273082 | Abrasive cutting tool Structurally independent cutting members are formed with abrasive material comprising a plurality of particles protruding through a surface of the retaining material comprising a mesh material for durable cutting members; and, the structurally independent... | 08/14/2001 |
| 6273924 | Tool for machining workpieces by cutting A tool for machining workpieces, specially metal workpieces, by cutting, e.g., grinding, polishing, milling, separating or honing, comprising at least one stock-removing tool portion and whose machining range consists of a composite material containing a ... | 08/14/2001 |
| 6203416 | Outer-diameter blade, inner-diameter blade, core drill and processing machines using same ones Provided are an outer-diameter blade, an inner-diameter blade and cutting machines using both blades for cutting hard material, and a core drill and a core-drill processing machine for forming a hole into hard material, whereby the mechanical processing w... | 03/20/2001 |
| 6129077 | Cutting tool and method for the manufacture thereof The present invention relates to a cutting tool and to the method for manufacture thereof. Structurally, the cutting tool (1) in question is provided with an abrasive peripheral surface (2) arranged on the outside of a rigid central core (3) made of a hig... | 10/10/2000 |
| 6012977 | Abrasive-bladed cutting wheel Proposed is a cutting wheel bladed on the outer periphery of a base wheel with abrasive particles, e.g., particles of diamond and cubic boron nitride, suitable for cutting of a hard and brittle material such as a sintered block of a rare earth-based magne... | 01/11/2000 |
| 6004198 | Working tool, and material therefor A material adapted for the preparation of a working tool contains long fiberglass arranged in the form of an entwined yarn and at least one thermosettable resin containing abrasive grains dispersed therein, which impregnates the entwined fiberglass yarn. ... | 12/21/1999 |
