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...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 7416372 | Toolholder A toolholder (50) with a controllable critical angle, such as a lead, trailing, rake or clearance angles, includes a tool spindle (42a) for retaining the toolholder in a tool rest (42) of a machine tool. The machine tool (10) inclu... | 08/26/2008 |
| 7037049 | Rotary cutting tool and high speed machining method with nano-lubrication using such a tool Rotary cutting tool, in particular for high speed machining with nano-lubrication. The lubricant is fed to the end surface of the cutting part (12) of the tool through a central lubrication channel (22) drilled along the axis of rotation (10 | 05/02/2006 |
| 7032633 | Cutting tool and system for coring a bowl using a lathe A cutting tool piece is provided including a rear portion and a lead portion, the lead portion including a front section having an upper side angled downwardly and forwardly and a lower side angled upwardly and forwardly to form a transverse lead cutting edge. The r... | 04/25/2006 |
| 6988860 | Cutting tool and cutting method using the cutting tool A cutting tool having a blade section on one end is mounted on a spindle of a cutting machine, and the blade section is contacted with a workpiece to perform planing of the workpiece into a desired shape. Because the tip of the blade section is disposed on the spind... | 01/24/2006 |
| 6908266 | Apparatus for forming a microlens array mold An apparatus for making microlens molds and microlens array molds is described which utilizes a forming element having a rotating half radius diamond cutting member. A substrate is alignably arranged with the diamond cutting member so that the cutting member can mil... | 06/21/2005 |
| 6846137 | Apparatus for forming a microlens mold An apparatus for making microlens molds and microlens array molds is described which utilizes a forming element having a rotating half radius diamond cutting member. A substrate is alignably arranged with the diamond cutting member so that the cutting member can mil... | 01/25/2005 |
| 6231275 | Ball nose end mill A ball nose end mill includes a holder body with a first half and a second half of a tip end thereof divided by a slot, a plate-shaped insert in the slot, a clamp screw with a screw shaft screwed into the second half and a screw head bearing against the f... | 05/15/2001 |
| 6220794 | Spherical seat cutting apparatus A rotary cutting tool for cutting a spherical seat on a surface of a workpiece comprises a body adapted to carry cutting inserts. The body is fixed to a drive shaft which rotates the body about a longitudinal center axis of the body. The body includes a f... | 04/24/2001 |
| 6158927 | Milling cutter A milling cutter is provided including a tool holder and a cutting tool insert. The tool holder includes a mounting end portion and a cutting end portion. The cutting end portion includes a slot defined by first and second diagonal surfaces provided in an... | 12/12/2000 |
| 6149355 | Ball nose end mill and a cutting insert for the ball nose end mill A ball nose end mill includes two identical cutting inserts which are clamped into two dissimilar insert seats. Each one of the two insert seats includes a narrower end and a wider end, the narrower end of one insert seat being located at the tip of the e... | 11/21/2000 |
| 6146059 | End milling cutter An end milling cutter with which two cutting plates can be fastened on the shank displaced in the circumferential direction with the help of fastening means, wherein there is provided a clamping plate which by way of a single clamping screw can be pressed... | 11/14/2000 |
| 6135677 | Indexable end mill and indexable insert An indexable end mill according to the invention includes an end mill body with a round distal end portion and an indexable insert mounted to the end mill body as protruded from the round distal end portion thereof, the indexable insert formed with an end... | 10/24/2000 |
| 6123487 | Double-edged cutting tip for double-edged milling cutters with single cutting tip A double-edged cutting tip for a doubled-edged milling cutter with single cutting tip, the cutting tip having a part-circular cutting tip front portion and including two cutting edge points in a cutting tip vertex, which, as seen in the rotational cutting... | 09/26/2000 |
| 6102630 | Ball nose end mill insert The back surface of a tool insert (12) is provided with a series of axially extending serrations (25) that form a contact surface to mate with similar serrations formed on the mounting surface (23) of a tool mount (13). The tops of the serrations are trun... | 08/15/2000 |
| 6095723 | Engraving tool and method for forming An engraving tool includes an end portion extending to a tip, a pair of flutes in the end portion and wall sections between the flutes. The wall sections are ground in the area of the tip to form surfaces having cutting edges and facets disposed at specif... | 08/01/2000 |
| 6082935 | Solid cemented carbide ball nose end mill An improved solid cemented carbide ball nose end mill is provided which enables a cutting of a quenched or hardened difficult-to-machine material without any chipping or break of edge under the condition of a high speed and high load cutting. The improved... | 07/04/2000 |
| 6071045 | Cutting insert and tool A cutting insert (20) having a geometrical configuration comprising first and second oppositely facing, parallel faces interconnected by a V-shaped bottom (26) and side (28) and top (30) walls perpendicular to the faces with the side walls (28) being para... | 06/06/2000 |
| 6053673 | Corner rounding milling and insert therefor An improved corner-rounding milling cutter preformed indexable and insert therefor. A plurality of the inserts staggered around the axis of rotation of the cutter body cut segments of a composite arcuate cutting profile of uniform radius, together forming... | 04/25/2000 |
| 6024519 | Throwaway insert for ball end mill A throwaway insert for a ball end mill having an ideal cutting edge shape corresponding to the cutting speeds and loads at different portions of the cutting edges, high in strength and capable of discharging chips smoothly. As viewed in a direction perpen... | 02/15/2000 |
| 5971670 | Shaft tool with detachable top A shaft tool for metal cutting machining, includes a cutting portion and a shaft portion. The cutting portion includes a fist part formed with a cutting edge, and a second part formed with an external screw thread. The first and second parts are of one-pi... | 10/26/1999 |
| 5971671 | Doubleedged milling cutter provided with a single cutting tip and having increased strength and precision To increase the sturdiness and precision of a double-edged milling cutter having a single cutting tip, the cutting tip is inserted in a recess of a milling cutter body, with the recess being constituted by two spaced-apart opposite sidewalls. One sidewall... | 10/26/1999 |
| 5951213 | Milling cutter, particularly for copying, and cutting insert therefor To facilitate manufacture and stocking of inserts for the ball end of a ball milling cutter, identical asymmetrical cutting inserts which are of generally pointed, elongated leaf shape, define two end points or tips, with two cutting edges opposite a theo... | 09/14/1999 |
| 5915888 | Rotary cutting tool assembly The present invention relates to a rotary cutting tool assembly comprising a combination of a single ball nose cutting insert of a generally elongated configuration. The ball nose cutting insert is fixed into a holding body provided with a slot adapted to... | 06/29/1999 |
| 5505568 | Rotary cutting tool A cutting tool holder is composed of a cutting tool holder main body 1 and a bracket 2 mounted to the top of a front end portion of the main body, which are fixedly secured to each other by a clamping bolt 3 and a knock pin 4. At the front end portion of ... | 04/09/1996 |
| 5362183 | Single point cutting tool A titanium-nitride coated carbide cutting tool is formed with complex angularly intersecting surfaces which form cutting edges having a generally trapezoidal configuration. The tool creates fine thread-like grooves in a circumferential wall of a tube whic... | 11/08/1994 |
| 5348426 | Ball nose cutter having a single cutter insert A ball nose cutter having a replaceable single cutter insert in which the cutting edges thereof include a pair of mutually spaced apart cutting tips, one cutting tip at a time being selected for use by being located at the centerline of rotation of the ba... | 09/20/1994 |
| 4898499 | Ball end mill A ball end mill includes an end mill body having an axis of rotation therethrough and an indexable cutter insert releasably attached to a forward end portion of the body. The insert includes a plate having front and rear faces. The front face has at least... | 02/06/1990 |
| 4630976 | Cutting tool A tool for removing unwanted metal from the inside of a pipe weld joint that is being repaired between two pipe sections. The tool is designed to be passed into the joint region after the defective weld segment has been removed. The tool consists of an el... | 12/23/1986 |
| 4552492 | Cutting insert with means for simultaneously removing a plurality of chips A cutting insert presents clearance and rake faces constructed and dimensionally interrelated to provide a plurality of adjacent offset, substantially parallel, non-coplanar cutting edges. The offset is in the range of from about 0.010 to 0.100 inch and t... | 11/12/1985 |
| 3999265 | Circular cut-off blade The circular cut-off blade includes an arcuate body of about 90°-180° approximately in length and having parallel sides, and a continuous arcuate enlarged head along one side edge of the body throughout its length, said body and head being of uniform cr... | 12/28/1976 |
