Precision means for sharpening and creation of microblades along cutting edges
a cutting edge and cutting edge technology, applied in the direction of edge grinding machines, other manufacturing equipment/tools, manufacturing tools, etc., can solve the problems of difficult or impossible use of these tools, substantial visual tearing and fragmentation of the substance being cut, and the use of these tools for improving the cutting ability of the edge has been very limited, so as to facilitate the cutting of such materials
Inactive Publication Date: 2006-12-07
FRIEL DANIEL D SR +1
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Benefits of technology
[0003] There are however a range of applications involving relatively softer fibrous material such as meats, fibrous muscle, and fibrous vegeta
Problems solved by technology
Such serrations if large, result in substantial visual tearing and fragmenting of the substance being cut.
For the vast public these have proven extremely difficult or impossible to use because of the inability of the user to manually control either the angle of contact with the edge facet, the directionality of the blade, or the pressure applied by the steel to the blade edge.
Because few, if any individuals have the skill needed to move the knife blade reproducibly at a consistent angle and pressure against the rod stroke-after-stroke, the use of these tools for improving the cutting ability of an edge has been very limited.
From a practical viewpoint most individuals are alarmed by the potential danger of seriously cutting themselves while manually swinging a sharp blade against the rod.
Consequently the advantages sought by this means have not in reality become achievable by the average cook or general public.
Method used
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[0020]FIG. 1 shows a conventional double faceted knife blade 1 with two faces 3 that terminate at facets 2, each of which is formed at an angle A, FIG. 2 relative to the blade faces 3. Generally each of the facets is sharpened at angle A and meet at the edge. The character of the edge itself depends on the means used to sharpen the facets; however, if the facets are ground by conventional means a burr 4 will be created along the edge as seen in FIGS. 3 and 4, the latter being a very large enlargement of the circled area, FIG. 3, of the edge itself. FIG. 4 is the view of a freshly sharpened edge, showing a series of individual burr structures bent almost perpendicular to the center line of the two facets. FIG. 5 shows the facets 2 and burr remnants 4 along the same knife edge of FIG. 4 as they might appear after the facets have been in forced rubbing contact several times at a consistent and precisely controlled angle with reference to the plane of a hardened surface, moving in a dir...
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Abstract
A knife-edge conditioning apparatus comprises at least one precision angled knife guide with one face of the knife blade maintained in sustained sliding or rolling contact and which guides the elongated edge of the blade into sustained contact with the hardened surface of an object and positions the plane of the adjacent edge facet at a precise predetermined angle relative to the contact plane of the hardened surface made of a material of equal or greater hardness than the metal of the knife blade without any tendency to abrade as the blade face is moved along the guide with its elongated edge in sustained contact with the hardened surface.
Description
CROSS REFERENCE TO RELATED APPLICATION [0001] This application is a division of application Ser. No. 10 / 803,419, filed Mar. 18, 2004 which is based on provisional application Ser. No. 60 / 457,993, filed Mar. 27, 2003. All of the details of those applications are incorporated herein by reference thereto.BACKGROUND OF THE INVENTION [0002] This application relates to a precision means for creation of microblades along the edge of a cutting blade. A number of abrasive based sharpening devices have been described in patents by these inventors and others for the purpose of creating ultrasharp knife edges. Such edges are ideal for the wide range of applications where the sharpest edges are important. Examples of such applications include razor blades, scalpels, and microtome blades for optimal cutting of ultrathin slices of harder non-fibrous materials. The cross section of edges suitable for such applications show that the edge facets meet at a very precise point or terminus which is less ...
Claims
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Login to View More IPC IPC(8): B24B1/00B24B9/00B24B3/54B24D15/06
CPCB24D15/065B24B3/54
Inventor FRIEL, DANIEL D. SR.BIGLIANO, ROBERT P.
Owner FRIEL DANIEL D SR