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| Number | Title | Issue Date |
| 7337523 | Methods and apparatus for an annular core cutter An annular core cutting apparatus includes a cutting head including a generally cylindrical sidewall having a first end and a second end, wherein the first end has a cutting edge, and wherein the sidewall includes a plurality of openings having at least one sharpene... | 03/04/2008 |
| 7225715 | Variable tooth saw blade An apparatus for cutting materials and more specifically an improved saw blade includes a plurality of variable teeth thereon. The variable tooth saw blade cuts faster and smoother while reducing harmonic vibrations. Specifically, the teeth on the saw blade are grou... | 06/05/2007 |
| 7225545 | Power tool with an eccentrically driven working tool A power tool, in particular a circular saw, for eccentrically a rotatable working tool and, in particular, a circular saw blade, includes a roller device (13) supported on a tool housing (6) and having at least two roller pairs (12, 16) each hav... | 06/05/2007 |
| 7210388 | Bimetal saw band A bimetal saw band which is suitable for cutting materials of high hardness and wear resistance at high cutting speeds and with a reduced consumption of coolant is disclosed. The saw band includes a support band with from 0.20 to 0.45% of carbon, from 0.2 to 0.6% of... | 05/01/2007 |
| 7171735 | Shape member manufacturing apparatus and shape member manufacturing method The invention provides a shape member manufacturing apparatus and a shape member manufacturing method which aims at cutting and grinding a joint projection 8B formed when a plurality of shape members are joined together by welding or friction stir welding, in... | 02/06/2007 |
| 7111542 | Circular saw blade assembly for a tree felling head A circular saw blade assembly of a tree felling head of a type which has peripherally mounted cutting teeth. The assembly has a circular disc plate with a rim. Mounting lug arrangements evenly distributed and outwardly projecting around the rim receive tooth holders... | 09/26/2006 |
| 7033254 | Grinding machine for double-sided grinding of saw tooth edges A grinding machine (10) for double-sided grinding of tooth flanks, in particular hard-metal tipped circular saw blades (14) is described. The grinding machine comprises two grinding units (16, 18) each with a grinding body, a first drive to move... | 04/25/2006 |
| 7013784 | Variable tooth saw blade An apparatus for cutting materials and more specifically an improved saw blade includes a plurality of variable teeth thereon. The variable tooth saw blade cuts faster and smoother while reducing harmonic vibrations. Specifically, the teeth on the saw blade are grou... | 03/21/2006 |
| 6979153 | Deep-grooving insert having stepped cutting edge A deep-grooving chip-forming cutting insert includes a rear mounting portion, a front cutting portion, and a pair of side walls, each side wall extending along the front and rear portions. The front cutting portion includes a front end surface, a top surface, and a ... | 12/27/2005 |
| 6931975 | Circular saw blade A circular saw blade includes a generally circular blade portion and a plurality of spaced apart teeth attached to the circular blade portion. Each tooth extends outwardly and upwardly from the circular blade portion. Each tooth has a leading edge and a dimple forme... | 08/23/2005 |
| 6681674 | Band saw blade A saw blade with teeth has a tooth point with a tooth edge (E1, E2). A tooth face is on the front side of the tooth and a tooth back is behind the tooth edge. A tooth gullet (G1, G2) is defined as the space between the tooth edges of two adjacent teeth. T... | 01/27/2004 |
| 6601620 | Stump grinding bit and tip therefor A stump cutter includes a rotary drum, holders mounted on the drum, and cutting bits mounted in respective bores of each holder for rotation relative thereto. Each cutting bit includes a shank having a pocket formed in a front end thereof in which the cut... | 08/05/2003 |
| 6427573 | Saw blade tooth form and method therefor A saw blade has a plurality of teeth with each tooth formed by a beveled gullet forming a trailing face, a beveled gullet forming a leading face and a planar surface forming a curved cutting face. The gullets forming the trailing face and the leading face... | 08/06/2002 |
| 6367533 | Safe cut-off blade assembly A cut-off blade assembly including a thin metal blade having an attachment portion by which the cut-off blade assembly can be attached to a dispenser, and a plurality of projecting similarly shaped triangular primary teeth. The triangular primary teeth ea... | 04/09/2002 |
| 5894773 | System for forming and cutting a mineral fiber tow A system is provided for forming a continuous mineral fiber wool tow and cutting the tow into discrete lengths. The system comprises a conveying apparatus for pulling a mineral fiber wool tow from a mineral fiber pack at a first location and transporting ... | 04/20/1999 |
| 5884547 | Saw blade tooth form A saw blade has a plurality of teeth with each tooth formed by a beveled leading face, a beveled trailing face and a chamfered surface located on the trailing face of each tooth. The trailing and leading faces are beveled in opposite directions in alterna... | 03/23/1999 |
| 5848564 | Combination saw blade apparatus A saw tooth apparatus is adapted to be connected to and driven by a power source and includes a circular disk-like base connected to the power source. The circular disk-like base is bisected by a centrally located center plane. A plurality of tooth suppor... | 12/15/1998 |
| 5813308 | Saw tooth attack face and edge structure A square saw tooth having four cutting edges of the type which is rotatable about its axis on a saw disc to present a fresh cutting edge when the radially outermost edge wears out has carbide wear plates covering the high wear areas of its attack face and... | 09/29/1998 |
| 5791225 | Kitchen appliance for cutting material A kitchen appliance for cutting material, preferably fruit or vegetables, into strips is disclosed. The kitchen appliance includes a base plate with sliding faces provided on its upper side and at least one row of blades is arranged between said sliding f... | 08/11/1998 |
| 5647263 | Saw tooth attack face and edge structure A square saw tooth having four cutting edges of the type which is rotatable about its axis on a saw disc to present a fresh cutting edge when the radially outermost edge wears out has carbide wear plates covering the high wear areas of its attack face and... | 07/15/1997 |
| 5647264 | Indexable cut-off saw An indexable cut-off saw is used for cutting metal components, e.g. cutting a bearing cap cluster into separate caps. The saw has a circular tool body for mounting on an arbour and this tool body has flat side faces and a narrow outer periphery. A plurali... | 07/15/1997 |
| 5579674 | Saw tooth attack face and edge structure A square saw tooth having four cutting edges of the type which is rotatable about its axis on a saw disc to present a fresh cutting edge when the radially outermost edge wears out has carbide wear plates covering the high wear areas of its attack face and... | 12/03/1996 |
| 5363891 | Tubular saw tooth and mount assembly In one embodiment of saw tooth assembly, the tubular saw tooth is releasably inserted with friction fit inside the hollow of a tubular mount. In an alternate embodiment, it is the tubular mount which is releasably inserted with friction fit inside the hol... | 11/15/1994 |
| 5295426 | Slot starting sawing method and apparatus A method and apparatus for practicing the method by which a reciprocating saw may be utilized to cut within the edges of a panel of material without the necessity of providing a pilot hole or the like for the saw blade, wherein the saw blade is configured... | 03/22/1994 |
| 5211212 | Cutting tooth A cutting tooth for a tree felling saw having a concave front surface and a convex rear surface can be removably fixed to a saw by a fastening device The front surface and the rear surface are uniformly spaced and have a plurality of side surfaces extendi... | 05/18/1993 |
| 5165319 | Cutting knife with multiple insert blades A rotary cutting knife for paper cutting apparatus or the like includes a circular periphery carrier with a planar front face and a peripheral wall. Cylindrical bores in the peripheral wall receive cylindrical blade inserts. Each blade insert includes at ... | 11/24/1992 |
| 5139064 | Saw tooth A saw tooth, of which a number are removably mounted on a tree-felling saw head, includes a body portion having a lead cutter and a trailing primary cutter separated by a throat. The combined lead cutters function to cut a narrow side wall kerf on each si... | 08/18/1992 |
| 5054177 | Tire rasp blade A tire rasp blade is provided with an elongated planar body having a working portion comprising a plurality of uniformly and closely spaced teeth which define an arcuate working perimeter. Each of the teeth has a base and a working edge and is separated f... | 10/08/1991 |
| 4924609 | Digging tooth and teeth arrayed in combination with endless excavating chain An L-shaped digging tooth includes a trapezoidally configured shank having inner and outer sides. A toe portion projects laterally from one of its edges. An angle of about 90°&#b1;30° is defined between the general plane of the toe portion and the plane... | 05/15/1990 |
| 4913767 | Cut off blade for severing multiple layers of thin polymeric sheet material A cut off blade adapted for severing plastic film material folded in layers. The blade is a thin metal sheet including an attachment portion and a plurality of similarly shaped teeth defining a cutting edge portion of the blade. Each of the teeth defines ... | 04/03/1990 |
| 4907920 | Milling cutter for honeycomb core material A milling cutter tool for cleanly and smoothly cutting honeycomb core material is disclosed. The cutter tool includes a circular saw blade sharpened to a knife edge. A bevel extends from the upper surface towards the sharp peripheral edge. A plurality of ... | 03/13/1990 |
| 4856193 | Saw A novel saw is disclosed having novel dimensions and tooth pattern for the saw to cut efficiently through bone and wood. The saw includes a plurality of teeth disposed upon the cutting edge of the saw blades. The teeth are set with a bevel of about 3° to... | 08/15/1989 |
| 4848205 | Circular saw blade A circular saw blade which comprises a circular main body, and a plurality of circumferentially spaced cutter tips secured to said main body, each of the cutter tips having a front surface whose width is gradually symmetrically increased from the bottom p... | 07/18/1989 |
| 4794836 | Honeycomb core cutting tool The invention is a honeycomb core cutting tool wherein a primary cutter is used to cut the core to shape and secondary cutters are used to immediately shred that portion of the core being removed. The primary cutter is typically a commercially available c... | 01/03/1989 |
| 4765217 | Insertable saw tooth Wood-cutting apparatus with an insertable tooth in which the blade is positioned radially outwardly on a flat, elongated metallic plate and comprises two side edges, each of which: (a) extends generally radially (i.e parallel to a radius of the disc in wh... | 08/23/1988 |
| 4738291 | Power saw including removable circular cutting element and holder A power saw having a stationary, tree-supporting platform disc, a rotatable tree cutting disc and drive means for rotating the cutting disc. The saw cutting elements have circular, conical or concave cutting faces with circumferential cutting edges. The c... | 04/19/1988 |
| 4646607 | Annular saw blade In an annular saw, that is to say a circular saw with an annular saw blade, the saw blade is adapted to rotate about an imaginary center axis by being driven via a drive shaft which is parallel to the center axis and has a fulcrum between the annular saw ... | 03/03/1987 |
| 4585043 | Turning tool for turning wooden workpieces A turning tool for turning wooden workpieces, comprising a turning disk fixedly mounted on a drive shaft and including a plurality of carbide cutting teeth separated from one another by respective tooth spaces, said cutting teeth being in the form of at l... | 04/29/1986 |
| 4222298 | Cutting tool or the like A circular saw blade having mounted on the outer circumference thereof a plurality of spaced conical teeth in lobes separated by aerodynamically designed gullets. The teeth are integral portions of elongated shafts and the axis of the elongated shaft is m... | 09/16/1980 |
| 4164329 | Chipper roller and knives therefor A chipper roller for a two-stage grinding machine has removable circular knives spaced axially and circumferentially in an array following a helical path of two turns about the surface of the roller. Each knife is in the form of a disc with a central aper... | 08/14/1979 |
