Topy Kogyo Kabushiki Kaisha

Shin Sugiura

Yusaku Shinozawa

A valve hole punching apparatus for a vehicle wheel wherein the punch and the bill punching a valve hole in the wheel wall can be adjusted in inclination. In such an apparatus, a wheel into which a valve hole is to be punched is brought to the punching position with its axis maintained in a vertical position. The wheel portion to be punched is punched out by the inclined punch and the bill positioned at a right angle. As a result, handling of the wheel is very easy and punching can be done very smoothly.

Valve hole punching apparatus for a wheel

An apparatus for chamfering through press forming edges of a rim element is provided upstream of a flaring machine for forming a rim shape on a disk wheel manufacture line. The apparatus includes a pair of edge rolls having vertically extending axes and having respective groove members formed therein. A wall of a rim element conveyed into the apparatus is axially squeezed between the edge rolls at the groove members thereof and the edges of the rim element is press formed. Since a rim element conveyed into the apparatus has still an axially straight extending wall, the rim element has a high rigidity in the axial direction of the rim element and therefore, an undesirable deformation does not occur in the rim element during the press forming.

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Toyokawa, Japan

Shin Sugiura