B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
B28D1/04—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with circular or cylindrical saw-blades or saw-discs
B28D1/045—Sawing grooves in walls; sawing stones from rocks; sawing machines movable on the stones to be cut
Installation destinee a modifier l'ecartement d'articles disposes suivant une file, notamment d'articles de confiserie a empaqueter ou a emballer