4[2]Muller D,Muller O,Thiessen V.Method and apparatus for the localization of heating in a tempering furnace for glass panels[P].US Pat:6064040,2000-05-16.
6[4]Reunamaki P.Method and apparatus for preventing the curving of glass sheets in the roller-equipped furnace of a horizontal tempering plant[P].US Pat:4390359,1983-06-28.
7[5]Lewandowski T.R.Forced convection furnace and method for heating glass sheets[P].US Pat: 6155822,2000-12-05.
8[6]Schnabel Jr,James P.Method and furnace for heating glass sheets[P].US Pat:6131411,2000-10-17.
9[7]Thiessen V.Apparatus for the heating or cooling of plate-like or sheet-like flat glass[P].US Pat: 5647882,1997-07-15.