STAMP FOR SHEET-TYPE GLASS PRESS BENDING AND METHOD OF ITS PRODUCTION Russian patent published in 1996 - IPC

FIELD: improvement of coating for stamp with solid surface for pres bending. SUBSTANCE: method provides selectively changing rigidity corresponding to required bending of given piece by stamp. Shaping member of stamp has elastic body with lattice made of flexible metal bands incapsulated in it. Elastic body is covered with multiple sheets of fibrous refractory usually giving material, that in turn are covered with layer of glass fiber fabric. One or several single fibrous sheets is / are treated with mean to give selective corresponding degree of rigidity to shaping member. EFFECT: improved coating for stamp with solid surface for press bending. 10 cl, 3 dwg