A PLATE VACUUM GLASS WITH ROLLING PROJECTS

摘要

A plate vacuum glass with rolling projects comprises two area size equal plates, and each plate's internal face has the projects overlapping and equispaced mutually with the projects in the other plate; After heating roasting, all around sides of the plates are heated to melt for sealing; at the same time, in the melted all around sides of the plates a space is kept for heating and melting a vacuum glass tube, and after heating and vacuum-pumping ,the vacuum glass tube is heated to melt for sealing.