Cutter dies for the cross rolling machine
AssigneeMitsubishi Jukogyo Kabushiki Kaisha
InventorsNobutaka Maeda, Hidehiko Tsukamoto
Life of this patent
Estimating the term…
Abstract
Cutter dies for cross rolling machines, each of which dies consisting of a shaping surface and a finishing surface, the width of the shaping surface being increasingly smaller and its height larger towards the end portions of the shaping surface, characterized in that the width of the shaping surface is further increased in the end portions of the cutter dies from a preferred position in an angle substantially less than 15.degree. from the end portions of the cutter dies.
Claims6
Cutter dies for cross rolling machines, each of said dies comprising a shaping surface, a finishing surface, a beginning portion, and an end portion, a first portion of said shaping surface having a width and height decreasing and increasing, respectively, along a portion of said cutter die from said beginning portion to a point near said end portion, and a second portion of said shaping surface having a width and height increasing and decreasing, respectively, along the portion of said cutter die from said point to said end portion.
Dependencies are inferred from the claim text.