profile of any line
Definition The tolerance zone is limited by two lines which envelope circles of diameter t, the centers of which are situated on a line of ideal geometrical shape.
profile of any line
DIN EN ISO 1101
profile of any line
Example In each section parallel to the plane of projection, the toleranced profile shall be contained between two lines wich envelope circles of diameter 0.04, the centers of which are situated on a line of ideal geometrical shape.