Working stone or stone-like materials

BPERFORMING OPERATIONS TRANSPORTING B28Stoneworking B28DWORKING STONE OR STONE-LIKE MATERIALS

B28D1/00Working stone or stone-like materials

B28D1/001Cleaning bricks B28D1/003Multipurpose machines; Equipment therefor B28D1/005Cutting sheet laminae in planes between faces B28D1/006Artificial ageing of stones; Providing stones with an antique appearance B28D1/008by means of a tumbler B28D1/02by sawing B28D1/025Use, recovery or regeneration of abrasive mediums B28D1/04with circular or cylindrical saw-blades or saw-discs B28D1/041with cylinder saws B28D1/042the saw blade being carried by a pivoted lever B28D1/043Gantry type sawing machines B28D1/044the saw blade being movable on slide ways B28D1/045Sawing grooves in walls; sawing stones from rocks; sawing machines movable on the stones to be cut B28D1/046Sawing in a plane parallel to the work table B28D1/047with the work mounted on a carriage B28D1/048with a plurality of saw blades B28D1/06with reciprocating saw-blades B28D1/062the saw blade rotating about its longitudinal axis B28D1/064Sawing grooves in walls; portable sawing machines B28D1/066the workpieces being moved in a horizontal plane B28D1/068Components B28D1/08with saw-blades of endless cutter-type, e.g. chain saws B28D1/082consisting of chain saws B28D1/084the saw chains being mounted on a pivotingly adjustable arm B28D1/086consisting of strap saws B28D1/088Sawing in situ B28D1/10with provision for measuring B28D1/12Saw-blades or saw-discs specially adapted for working stone B28D1/121Circular saw blades B28D1/122with exchangeable cutter bits or cutter segments B28D1/124Saw chains; rod-like saw blades; saw cables B28D1/125with exchangeable cutter bits or cutter segments B28D1/127Straight B28D1/128with exchangeable cutter bits or cutter segments B28D1/14by boring or drilling B28D1/143lens-drilling machines B28D1/146Tools therefor B28D1/16by turning B28D1/18by milling B28D1/181using cutters loosely mounted on a turning tool support B28D1/183Hand tools B28D1/185for brick cleaning B28D1/186Tools therefor B28D1/188with exchangeable cutter bits or cutter segments B28D1/20by planing B28D1/22by cutting B28D1/221by thermic methods B28D1/222by pressing B28D1/223Hand-held or hand-operated tools for shearing or cleaving B28D1/225for scoring or breaking B28D1/226with plural scoring tools B28D1/227for cutting tubes B28D1/228Hand-held or hand-operated tools B28D1/24with cutting discs B28D1/26by impact tools B28D1/265Scabbling machines or scabbling tools B28D1/28without cutting edge B28D1/30to form contours B28D1/32Methods and apparatus specially adapted for working materials which can easily be split B28D1/322Splitting of the working materials B28D1/325for making holes in easily splittable working materials B28D1/327for cutting or shearing easily splittable working materials