Serrated edge pdf download

However, it will be seen in FIG. As shown in FIG. The scallops have been applied to the blade blank on a wave edge grinder as illustrated diagrammatically in FIG. The serrations have been applied to the other side of the blade blank as illustrated diagrammatically in FIG. The included angle between adjacent serrations is between 45 degrees and 75 degrees, ideally of about 70 degrees.

It has been found that knife blades produced as described above exhibit a superior cutting action without the tearing action which has been characteristic of some other serrated-edge knives.

However, since the grinding of the blades is carried out in a relatively simple manner, the blades are produced at relatively low cost. Various modifications may be made.

For example, the provision of the scallops on one side and serrations on the other side of the blade could be carried out using other machining techniques. A variation of the machining technique used for the production of the blades shown in FIGS.

The serrations on the other side of the blade will of course be as shown in FIG. The curved end portion of the blade will however be devoid of scallops, being provided only with fine serrations along its otherwise plain but curved distance. The scallops on the one side of the blade may extend at right angles from the cutting edge along the entire length of the blade. The included angle of the V-shaped cutting edge may lie between 12 degrees and 30 degrees, preferably between 16 degrees and 24 degrees and ideally between 18 degrees and 22 degrees.

The serrations may be ground at a pitch between 0. The serrations may each have an included angle of between 45 degrees and 75 degrees and ideally of about 70 degrees. Referring now to FIGS. In the illustrated embodiment the handle is made of a synthetic plastics material moulded on a tang portion, not shown, of the blade, but it will be understood that in fact any preferred kind of handle may be provided.

The blade has been made from a parallel-sided blade blank and provided on one side see FIG. On its other side see FIG. The serrations are spaced at approximately 0. The scallops are spaced at approximately 4 mm pitcfh. Thus is will be seen in FIG. The book was published in multiple languages including English, consists of pages and is available in Paperback format.

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