Patent ID: 8215130
Filing Date: 2012-07-10
Classification: C03B

Abstract:
1. A spinner for fiberizing glass wherein the fiberizing disc has a plurality of holes for fiberizing glass in an annular peripheral sidewall of the spinner, the spinner sidewall extends upward from a spinner base, and, in service, the spinner is rotated at high rotational speeds in a high temperature environment to extrude glass through the fiberizing holes and fiberize the glass, the spinner comprising: a disc shaped base and an annular peripheral sidewall of an alloy material extending upward from an outer edge portion of the base; a plurality of fiberizing holes in the sidewall formed by means of an electron beam perforating process that utilizes a backing material on a side of the sidewall opposite that from which an electron beam is directed onto the sidewall wherein, for each of the plurality of fiberizing holes: