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 |
| 7249482 | Electrode texturing tool and method of use thereof An article for texturing an electrode having a tip hardness and a tip contour is disclosed. The article includes a plate having an upper surface and a lower surface, and an indentation in at least one of the upper and the lower surface. The indentation includes a te... | 07/31/2007 |
| 7134304 | Micro-roll forming device A micro-roll forming device for providing a cylindrical blank metal article with a minute convexoconcave bearing surface, comprises a powered article holding structure that, when energized, rotates the cylindrical blank metal article about its axis; a forming tool t... | 11/14/2006 |
| 7040131 | Cold forming tool, machine and method Cold forming tool including at least one penetration zone having teeth and a calibration zone having teeth. The teeth having a tooth height that increases substantially from the at least one penetration zone to the calibration zone. A distance between an outer surfa... | 05/09/2006 |
| 7032421 | Knurling tool A knurling tool is provided having a tool head which carries at least one knurling wheel and which is mounted adjustably on a shaft, wherein the tool head is mounted on the shaft linearly displaceably transversely with respect to the axis of the shaft, characterized... | 04/25/2006 |
| 6968719 | Apparatus and methods for forming internally and externally textured tubing A machine may produce a tube having textured internal and external surfaces in a single operation. Inner and outer knurling tools may form the textured surfaces. The texturing of the internal and external surfaces may be helical patterns of ribs and grooves. The hei... | 11/29/2005 |
| 6959575 | Kurling tool A method and apparatus for knurling a workpiece in which the knurl pattern includes grooves of at least two different configurations. The apparatus includes a knurl wheel holder that allows angular rotation of the knurl wheel about the holder longitudinal axis while... | 11/01/2005 |
| 6912783 | Method of manufacturing a valve plate for compressor In a manufacturing method of a valve plate for a compressor according to this invention, a punch die 43 formed with a convex and concave configuration at its tip end face 42 is set at a press machine 41, and the punch die 43 is depressed ... | 07/05/2005 |
| 6386079 | Method and apparatus for knurling a workpiece, method of molding an article with such workpiece, and such molded article A method and apparatus for knurling a workpiece in which the knurl pattern includes grooves of at least two different configurations. The apparatus includes a knurl wheel holder that allows angular rotation of the knurl wheel about the holder longitudinal... | 05/14/2002 |
| 5992199 | Modular knurling tool A modular knurling tool is provided having a tool shank defining a first dove-tail connector and having at least one adjustment drive recess. Any selected one of a number of different knurling heads are adjustably connected to the tool shank by a second d... | 11/30/1999 |
| 5966982 | Dimpling Die set A hydraulic compression tool comprises a frame and a first die and an opposite second die mounted on the frame. The first die is immovably connected to the frame and the second die is movably connected to the frame along a line of action and is positioned... | 10/19/1999 |
| 5946991 | Method for knurling a workpiece A method and apparatus for knurling a workpiece in which the knurl pattern includes grooves of at least two different configurations. The apparatus includes a knurl wheel holder that allows angular rotation of the knurl wheel about the holder longitudinal... | 09/07/1999 |
| 5860866 | Steel pin and method for its manufacture A steel pin is disclosed of a type to be forcibly driven into a steel substrate by using a powder-actuated tool. The steel pin has a substantially cylindrical shank, and a substantially sharp point which extends from one end of the substantially cylindric... | 01/19/1999 |
| 5809820 | Spring washer and method for making the same A spring washer improves resistance to loosening of fasteners tightened thereon. The spring washer is stronger than prior art devices. On the upper and lower surfaces of the spring washer, approximately 1/5-1/4 of the width inward from the outer perimeter... | 09/22/1998 |
| 5701780 | Installation fin for windows and doors Improved installation fins (28, 76) for window or door assemblies (88, 98) are provided which include structure (46) defining an elongated fold line (73) in the fins (28, 76). The structure (46) includes a plurality of elongated, discrete, parallel, align... | 12/30/1997 |
| 5669260 | Method of manufacturing a c-shaped rail with profiled surfaces A method of manufacturing an elongated rail (12) with a C-shaped cross-section transversely of its elongated direction from a sheet metal strip (1) by bending marginal sections along each elongated side edge (2) of the strip at 90° with respect to the su... | 09/23/1997 |
| 5619828 | Installation fin for windows and doors Improved installation fins (28, 76) for window or door assemblies (88, 98) are provided which include structure (46) defining an elongated fold line (73) in the fins (28, 76). The structure (46) includes a plurality of elongated, discrete, parallel, align... | 04/15/1997 |
| 5613391 | Machine and method for knurling the tip of a needle A machine and method for knurling an end portion of a cylindrical workpiece including a hypodermic needle or biopsy needle. The machine includes a base to which a reciprocating mechanism and a serrated block are attached. A pressure bar is positioned abov... | 03/25/1997 |
| 5581989 | Spindle for spinning machine with knurled reserve surface A spinning-machine spindle rotatable about an axis has an upper cop-holding region and a lower nonsmooth reserve surface. The reserve surface is formed as a substantially uniform array of tiny pits separated by a raised continuous land extending as a cont... | 12/10/1996 |
| 5197317 | Process and means for automatically matching at least two substantially cylindrical surfaces, engaging each other, particularly for mechanical emboss engraving, and engraved plates obtained with such process and means A process and machine for automatically matching at least two substantially cylindrical surfaces for engaging each other, particularly for the purpose of mechanical embossment engraving. The ranges of freedom of a conventional machine are mechanized and s... | 03/30/1993 |
| 5046226 | Convertible bar-puller/knurling-tool The convertible bar-puller provides a convertible tool for automatic lathes. This tool has two main parts; a housing head and a shank. The housing head is attached to the shank using an adjustable connection means allowing the housing head to be positione... | 09/10/1991 |
| 5020352 | Roller screening apparatus An apparatus, based on a conventional lathe, for the screening of ink transfer rollers including a rotatable screen forming tool rotably held above the ink transfer roller by a pivoted arm, is disclosed. The arm pivots about an axis parallel with the axis... | 06/04/1991 |
| 4781049 | Apparatus for creating a florentine pattern on a gold strip An apparatus for creating a florentine finish on a gold strip comprising a table-like support including spaced-apart driven friction wheels which move the gold strip across the upper surface of the support beneath a rotating and oscillating cutter wheel w... | 11/01/1988 |
| 4584861 | Knurling tool A composite assembly knurling tool for forming uniformly-spaced horizontal serrations continuous across the surface of a metal flake producing drum is disclosed. The knurling tool comprises an alternating array of spacer and forming discs substantially co... | 04/29/1986 |
| 4533409 | Method and apparatus for reducing core losses of grain-oriented silicon steel A method and apparatus for scribing grain-oriented silicon steel to improve the core loss thereof is provided. The method comprises passing the final gauge steel after cold rolling through a roll pass defined by an anvil roll and a scribing roll having a ... | 08/06/1985 |
| 4448655 | Traveling-wire electroerosion machining electrode and method An improved electrode and method for electroerosion machining both of traveling-wire type wherein an elongate element having a thickness of 0.05 to 0.5 mm is axially displaced to form a traveling-wire machining electrode therefrom. The traveling-wire mach... | 05/15/1984 |
| 4385429 | Method of manufacturing a clutch plate A clutch is disclosed having an input shaft and an output shaft and having alternate pairs of discs interfitting with each other. Half of the discs being attached to the input shaft and half to the output shaft. The discs are knurled on one side in a groo... | 05/31/1983 |
| 4257250 | Knurling tool A knurling tool has a planar face plate with an orifice for receiving a workpiece therethrough. Slide blocks are slidably mounted in opposing planar slots in the face plate. Each slide block has a slot with a knurl bit mounted therein so that the knurl bi... | 03/24/1981 |
| 4245489 | Knurling tool A knurling tool including an elongated body member having opposite ends and a bore extending therein from one end, the bore being spaced from and acutely angularly related to the axis of the body and extending in part through the side of the body, the bor... | 01/20/1981 |
| 4178846 | Apparatus for, and a process of, sector engraving metal elements Apparatus for, and a process of, sector engraving metal elements, is disclosed. The apparatus includes an engraving roller having a particular pattern formed thereon, and a workpiece mounting system which is capable of translational movement within two mu... | 12/18/1979 |
| 4091647 | Machine for chisel forming the teeth on parts of revolution, and in particular wheels of cigarette lighters or the like Disclosed is a machine for chisel forming the teeth on parts of revolution, and in particular wheels of cigarette lighters or the like, comprising a programmer whose drum is rotated permanently by a first linkage engaged with the drive shaft of the machin... | 05/30/1978 |
| 4027376 | Method for producing sparking wheels This method is particularly suited for practice on a multiple spindle screw machine in which each work spindle carries a length of bar stock. The work end of each bar is formed, sized and drilled in a conventional manner to form thereon a wheel shaped wor... | 06/07/1977 |
| 4022044 | Machines for centerless cold rolling of gears A centerless gear forming tool for cold rolling teeth on a gear blank in which the blank is inserted between a pair of gear forming rolls which are movable toward and away from each other. The rolls are urged toward each other by a spring, clamping the bl... | 05/10/1977 |
| 3972212 | Progressive knurl holder The holder comprises a first section containing in one end a slot in which a single knurling tool is mounted to rotate about a first axis. The first section is integral with and offset from a second section of the holder, which is used to mount the holder... | 08/03/1976 |
