Did You Know...
...that the Band-Aid Bandage was invented by a Johnson & Johnson employee whose wife had cut herself? Earl Dickson's wife was rather accident prone, so he set out to develop a bandage that she could apply without help. He placed a small piece of gauze in the center of a small piece of surgical tape, and what we know today as the Band Aid bandage was born!
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| Number | Title | Issue Date |
| 7223054 | Spiral groove pipe joint machining assembly A spiral spline groove machine apparatus for manufacturing a sealed spiral spline pipe connection by machining spiral grooves into the bell and spigot end of a length of pipe. A rotating cutter is adapted to cut a spiral groove in the inside of the bell of the pipe ... | 05/29/2007 |
| 7118313 | Cutting die head A cutting die head that can be set and/or reset without an external mechanism. To this end, the die head includes a die body including a plurality of radially adjustable blocks, each block having a cutter mounted thereon and a radially outwardly facing cam surface. ... | 10/10/2006 |
| 7114891 | Thread forming tool with annular ridge A thread forming tool includes an elongated body defining a longitudinal center axis. The body including a thread forming portion formed by one or more annular ridges oriented perpendicular to the axis. The body has a non-circular shape in a cross sectional plane or... | 10/03/2006 |
| 6957933 | Threading insert with cooling channels A metalworking apparatus includes a threading insert with a channel-less chip breaker and a holder for holding the threading insert. The threading insert includes (i) one cooling channel disposed on the top side of the threading insert for each crest and each valley... | 10/25/2005 |
| 6922933 | Primer removal tool A primer removal tool comprising a starter tap, a holder for the starter tap, one or more setscrews passing through the holder and against the starter tap for securing the starter tap in the holder, a handle, a spacer bushing connected to the center of the handle, a... | 08/02/2005 |
| 6921236 | Tool for repairing damaged threads A tool for rethreading a damaged threaded object having a solid body with at least one through bore including at least one cutting tooth. A slot intersects the through bore, allowing relief for shavings removed from the object as it is rethreaded. The tool can be ad... | 07/26/2005 |
| 6386804 | Recessed damaged stud re-threading tool A recessed damaged stud re-threading tool including a cylindrical housing having an open lower end, a closed upper end, and a cylindrical side wall therebetween. The open lower end exposes an internal chamber. The cylindrical side wall has a channel exten... | 05/14/2002 |
| 6206620 | Thread chasing tool and method A pivoting split thread chasing die for rethreading and cleaning damaged or inhibited studs or bolts; and a method of manufacturing the die. The identical main body halves of the pivoting split die, when assembled together with an assembly pin form a pivo... | 03/27/2001 |
| 6062777 | Machining threaded tubular goods A method is provided for machining threads on cylindrical parts, particularly oil country tubular goods, by mounting four thread-cutting chasers in a die head of a thread cutting machine. The thread chasers are each of unique profile, which enables the cu... | 05/16/2000 |
| 5890852 | Thread cutting die and method of manufacturing same A thread cutting die or chaser for use with a power driven thread cutting machine is provided with a protective coating of an ultra hard material such as titanium nitride which is initially excluded from or is subsequently removed from the faces of the th... | 04/06/1999 |
| 5655856 | Stock guide A apparatus to orient stock with respect to a threading die. One embodiment of the apparatus detachably mounts to a die and receives and aligns stock prior to its introduction into the threading zone of the die. A second embodiment is an improvement to an... | 08/12/1997 |
| 5490746 | Cylindrical thread cutting aid The disclosure is directed to a pipe cylindrical thread cutting aid that has an inner cylindrical wall, which extends throughout its length; a pair of outer cylindrical walls between which lies a shoulder which is substantially perpendicular to these oute... | 02/13/1996 |
| 5480271 | Adjustable die head An adjustable die assembly having a ring structure with a clear central aperture for locating the ring structure along an axial length of a rod to have threads repaired or cut, and having a plurality of thread cutting chaser inserts connected to tool bloc... | 01/02/1996 |
| 5458211 | Spade drill bit construction A spade in a bit body is disclosed to have a planar body shaped with two intersecting cutting faces. The cutting faces extend to side faces defining spade width for cutting a hole to gauge. Inserts positioned in the body are at the comer of the spade. The... | 10/17/1995 |
| 5343787 | Die holder assembly A die holder assembly mounts to a conventional lathe for holding a die to facilitate cutting of a thread into a workpiece. The die holder rotatably rides along an alignment shaft which mounts to the chuck of the lathe. The die holder may be manually turne... | 09/06/1994 |
| 5288181 | Rethreading tool A rethreading tool (10) for reconditioning and rethreading the threads (62) of a stud (60) is described. The tool includes a moveable jaw (26) having an extension (26A) pivotably mounted into a slot 24 of a fixed jaw (16). The extension and a first portio... | 02/22/1994 |
| 4969780 | Method for using a die holder with centering and squaring guide to cut threads on a cylindrical workpiece A method for using a die holder with centering and squaring guide to cut preliminary and final threads on rotatable stationary workpieces is provided and includes a locating pin, a die with set screw, a shim, a die holder with two lock screws, a guide, th... | 11/13/1990 |
| 4927302 | Threading device A threading device which can cut a uniform and symmetrical screw thread in the outer surface of a round bar or tube includes a die nut having internal cutting threads and two axial holes and a guide ring which includes two axial roll pins extending away f... | 05/22/1990 |
| 4872790 | Segmented die A threading or rethreading die made up of a plurality of complementary separable interfitting parts held together by a tension spring disposed around the exterior surface thereof which in use are separated from one another under the tension of the spring ... | 10/10/1989 |
| 4824297 | Thread forming apparatus having tangential chasers for cutting a thread on a railroad spike The present invention relates to a device for cutting a thread on a railroad spike. The device employs tangential chasers which are designed to form a thread on a cylindrical portion and a tapering portion of the shank. The chasers form a thread having a ... | 04/25/1989 |
| 4752164 | Thread cutting tools Chaser for cutting threads on a work piece, the chaser having thread cutting formations with crests and roots, one flank of each of said formations being relieved at a first angle from the region of the crest toward the root and being relieved at a greate... | 06/21/1988 |
| 4743146 | Tool for cutting external threads A tool for cutting external threads in the form of a round die having a housing with thread chasers arranged at its end and extending toward the interior of the housing. The housing has the form of an annulus with an inside diameter greater than the diame... | 05/10/1988 |
| 4606681 | Tud rethreading and cleaning device A device for rethreading and cleaning threaded pipe studs having an elongated casing having an outside surface provided with flat portions for attaching to a torquing means, which casing is provided with a straight channel therethrough shaped to allow pas... | 08/19/1986 |
| 4599021 | Retaining nut for MacPherson strut suspension assembly This invention relates to an improved self-threading unit which can be utilized to hold a replacement shock absorber within the cylindrical shroud of a vehicular suspension system commonly referred to as a MacPherson strut suspension assembly. The nut inc... | 07/08/1986 |
| 4572032 | Rethreading die and method The invention comprises an improved rethreading die, a method of making the die, and a method of rethreading an in situ stud member. The workpiece from which the die is formed has oppositely directed front and rear faces and laterally outwardly facing sid... | 02/25/1986 |
| 4526496 | Tapered thread cutting machine A tapered thread cutting machine includes a multi-part rotary machining head, one part including a through-recess and another being a separable interior wear plate. Interacting chaser holders are mounted in the recess and include angled V-shaped slots in ... | 07/02/1985 |
| 4274771 | Boring reamer with end mill cutters A boring reamer with end mill cutters comprising a cutting edge portion, a straight shank and a taper shank. The cutting edge portion is formed at the forward edge of the straight shank, and has, at its forward end, end mill cutters each of which is forme... | 06/23/1981 |
| 4256421 | Self-threading nut This invention relates to a self-threading nut which is utilized to hold a replacement shock absorber within the cylinder housing of a vehicular suspension system commonly referred to as a MacPherson strut suspension system. The nut includes a generally c... | 03/17/1981 |
| 4123194 | Profiled chip breaker A chip breaker includes an abutment surface having geometry generally corresponding in profile to the geometry on the cutting edge of the associated thread chaser to permit such abutment surface to be uniformly spaced from respective roots and crests of t... | 10/31/1978 |
| 4111591 | Combination tap and die wrench A combination tap and die wrench is provided having a center portion with an aperture extending through the thickness thereof for receiving and retaining tapping apparatus and at least two oppositely extending arm portions extending outwardly from the cen... | 09/05/1978 |
| 4095917 | Die holder Holder for a threading die. A die holder is provided for threading elongated items of circular cross section, particularly pipe or rod, which can utilize dies of either hexagonal or circular external contour, which can be arranged to reach otherwise awkwa... | 06/20/1978 |
