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CPC
COOPERATIVE PATENT CLASSIFICATION
B28D
WORKING STONE OR STONE-LIKE MATERIALS [2018-08]
WARNING

  • In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme.
B28D 1/00
Working stone or stone-like materials, e.g. brick, concrete {or glass}, not provided for elsewhere; Machines, devices, tools therefor (fine working of gems, jewels, crystals B28D 5/00; working by grinding or polishing B24; devices or means for dressing or conditioning abrasive surfaces B24B 53/00) [2017-08]
B28D 1/001
.
{Cleaning bricks (by milling B28D 1/185)} [2013-01]
B28D 1/003
.
{Multipurpose machines; Equipment therefor} [2013-01]
B28D 1/005
.
{Cutting sheet laminae in planes between faces (splitting easily splittable material B28D 1/322)} [2013-01]
B28D 1/006
.
{Artificial ageing of stones; Providing stones with an antique appearance} [2013-01]
B28D 1/008
. .
{by means of a tumbler} [2013-01]
B28D 1/02
.
by sawing [2013-01]
B28D 1/025
. .
{Use, recovery or regeneration of abrasive mediums (B28D 5/007 takes precedence; for grinding and polishing in general B24B 57/00)} [2013-01]
B28D 1/04
. .
with circular {or cylindrical} saw-blades or saw-discs (B28D 1/10 takes precedence) [2013-01]
B28D 1/041
. . .
{with cylinder saws, e.g. trepanning; saw cylinders, e.g. having their cutting rim equipped with abrasive particles} [2013-01]
B28D 1/042
. . .
{the saw blade being carried by a pivoted lever (B28D 1/043 and B28D 1/044 take precedence)} [2013-01]
B28D 1/043
. . .
{Gantry type sawing machines} [2013-01]
B28D 1/044
. . .
{the saw blade being movable on slide ways (B28D 1/043 takes precedence)} [2013-01]
B28D 1/045
. . .
{Sawing grooves in walls; sawing stones from rocks; sawing machines movable on the stones to be cut} [2013-01]
B28D 1/046
. . .
{Sawing in a plane parallel to the work table} [2013-01]
B28D 1/047
. . .
{with the work mounted on a carriage} [2013-01]
B28D 1/048
. . .
{with a plurality of saw blades (B28D 1/046 takes precedence)} [2013-01]
B28D 1/06
. .
with reciprocating saw-blades (B28D 1/10 takes precedence) [2013-01]
B28D 1/062
. . .
{the saw blade rotating about its longitudinal axis} [2013-01]
B28D 1/064
. . .
{Sawing grooves in walls; portable sawing machines} [2013-01]
B28D 1/066
. . .
{the workpieces being moved in a horizontal plane, e.g. with vertically or oblique movable saw-blades} [2013-01]
B28D 1/068
. . .
{Components, e.g. guiding means, vibrations damping means, frames, driving means, suspension} [2013-01]
B28D 1/08
. .
with saw-blades of endless cutter-type, e.g. chain saws {, i.e. saw chains}, strap saws (B28D 1/10 takes precedence) [2016-08]
B28D 1/082
. . .
{consisting of chain saws} [2013-01]
B28D 1/084
. . . .
{the saw chains being mounted on a pivotingly adjustable arm} [2013-01]
B28D 1/086
. . .
{consisting of strap saws} [2013-01]
B28D 1/088
. . .
{Sawing in situ, e.g. stones from rocks, grooves in walls} [2013-01]
B28D 1/10
. .
with provision for measuring [2013-01]
B28D 1/12
. .
Saw-blades {or saw-discs} specially adapted for working stone {(B28D 1/041 takes precedence)} [2013-01]
B28D 1/121
. . .
{Circular saw blades} [2013-01]
B28D 1/122
. . . .
{with exchangeable cutter bits or cutter segments} [2013-01]
B28D 1/124
. . .
{Saw chains; rod-like saw blades; saw cables} [2013-01]
B28D 1/125
. . . .
{with exchangeable cutter bits or cutter segments} [2013-01]
B28D 1/127
. . .
{Straight, i.e. flat, saw blades; strap saw blades} [2013-01]
B28D 1/128
. . . .
{with exchangeable cutter bits or cutter segments} [2013-01]
B28D 1/14
.
by boring or drilling (rotary drilling machines B23B; {tools for drilling machines B23B 51/00}; portabe percussive machines B25D; {rotary drilling machines for mining or quarrying E21B 3/00}) [2020-05]
B28D 1/143
. .
{lens-drilling machines} [2013-01]
B28D 1/146
. .
{Tools therefor (drill bits for earth or rock drilling E21B 10/00)} [2013-01]
B28D 1/16
.
by turning [2013-01]
B28D 1/18
.
by milling, e.g. channelling by means of milling tools [2013-01]
B28D 1/181
. .
{using cutters loosely mounted on a turning tool support} [2013-01]
B28D 1/183
. .
{Hand tools, e.g. portable, motor driven} [2013-01]
B28D 1/185
. .
{for brick cleaning} [2013-01]
B28D 1/186
. .
{Tools therefor, e.g. having exchangeable cutter bits (B28D 1/181 takes precedence; bits for picks or pick-holders for mining or quarrying E21C 35/18)} [2016-08]
B28D 1/188
. . .
{with exchangeable cutter bits or cutter segments} [2013-01]
B28D 1/20
.
by planing, e.g. channelling by means of planing tools [2013-01]
B28D 1/22
.
by cutting, e.g. incising [2013-01]
B28D 1/221
. .
{by thermic methods} [2013-01]
B28D 1/222
. .
{by pressing, e.g. presses} [2013-01]
B28D 1/223
. . .
{Hand-held or hand-operated tools for shearing or cleaving} [2013-01]
B28D 1/225
. .
{for scoring or breaking, e.g. tiles} [2013-01]
B28D 1/226
. . .
{with plural scoring tools} [2013-01]
B28D 1/227
. .
{for cutting tubes} [2013-01]
B28D 1/228
. .
{Hand-held or hand-operated tools (B28D 1/222, B28D 1/225 take precedence)} [2013-01]
B28D 1/24
. .
with cutting discs [2013-01]
B28D 1/26
.
by impact tools, e.g. by chisels or other tools having a cutting edge (portable percussive tools B25D) [2013-01]
B28D 1/265
. .
{Scabbling machines or scabbling tools} [2013-01]
B28D 1/28
. .
without cutting edge {, e.g. chiseling machines} [2016-08]
B28D 1/30
.
to form contours, i.e. curved surfaces, irrespective of the method of working used (for artistic purposes B44B) [2013-01]
B28D 1/32
.
Methods and apparatus specially adapted for working materials which can easily be split, e.g. mica, slate, schist [2013-01]
B28D 1/322
. .
{Splitting of the working materials} [2013-01]
B28D 1/325
. .
{for making holes in easily splittable working materials} [2013-01]
B28D 1/327
. .
{for cutting or shearing easily splittable working materials} [2013-01]
B28D 3/00
Dressing mill discs or rollers (dressing the tools of sawing machines or sawing devices B23D 63/00; treating the cutting members of cutting machines to facilitate cutting B26D 7/08) [2013-01]
B28D 3/005
.
{Tools therefor} [2013-01]
B28D 3/02
.
Machines [2013-01]
B28D 3/04
. .
for grooving rollers [2013-01]
B28D 5/00
Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor (working by grinding or polishing B24; for artistic purposes B44B) [2013-01]
B28D 5/0005
.
{by breaking, e.g. dicing} [2013-01]
B28D 5/0011
. .
{with preliminary treatment, e.g. weakening by scoring} [2013-01]
B28D 5/0017
. .
{using moving tools} [2013-01]
B28D 5/0023
. . .
{rectilinearly} [2013-01]
B28D 5/0029
. . .
{rotating} [2013-01]
B28D 5/0035
. . . .
{cooperating with a straight breaking edge} [2013-01]
B28D 5/0041
. .
{the workpiece being brought into contact with a suitably shaped rigid body which remains stationary during breaking} [2013-01]
B28D 5/0047
. . .
{using fluid or gas pressure} [2013-01]
B28D 5/0052
. .
{Means for supporting or holding work during breaking (means for conveying work to or discharging work from the breaking machine B28D 5/0058)} [2013-01]
B28D 5/0058
.
{Accessories specially adapted for use with machines for fine working of gems, jewels, crystals, e.g. of semiconductor material (B28D 5/0005, B28D 5/024 take precedence)} [2013-01]
B28D 5/0064
. .
{Devices for the automatic drive or the program control of the machines} [2013-01]
B28D 5/007
. .
{Use, recovery or regeneration of abrasive mediums (for grinding and polishing in general B24B 57/00)} [2013-01]
B28D 5/0076
. .
{for removing dust, e.g. by spraying liquids; for lubricating, cooling or cleaning tool or work} [2013-01]
B28D 5/0082
. .
{for supporting, holding, feeding, conveying or discharging work} [2013-01]
B28D 5/0088
. . .
{the supporting or holding device being angularly adjustable} [2013-01]
B28D 5/0094
. . .
{the supporting or holding device being of the vacuum type} [2013-01]
B28D 5/02
.
by rotary tools, e.g. drills {(B28D 5/0005 takes precedence)} [2013-01]
B28D 5/021
. .
{by drilling} [2013-01]
B28D 5/022
. .
{by cutting with discs or wheels} [2013-01]
B28D 5/023
. . .
{with a cutting blade mounted on a carriage} [2013-01]
B28D 5/024
. . .
{with the stock carried by a movable support for feeding stock into engagement with the cutting blade, e.g. stock carried by a pivoted arm or a carriage} [2013-01]
B28D 5/025
. . . .
{with the stock carried by a pivoted arm} [2013-01]
B28D 5/026
. . .
{with a cutting blade carried by a movable arm, e.g. pivoted (B28D 5/023 and B28D 5/028 take precedence)} [2013-01]
B28D 5/027
. . .
{with a cutting blade arranged underneath a stationary work table} [2013-01]
B28D 5/028
. . .
{with a ring blade having an inside cutting edge} [2013-01]
B28D 5/029
. . .
{with a plurality of cutting blades} [2013-01]
B28D 5/04
.
by tools other than rotary type, e.g. reciprocating tools {(B28D 5/0005 takes precedence)} [2013-01]
B28D 5/042
. .
{by cutting with blades or wires mounted in a reciprocating frame} [2013-01]
B28D 5/045
. .
{by cutting with wires or closed-loop blades (B28D 5/042 takes precedence)} [2013-01]
B28D 5/047
. .
{by ultrasonic cutting (using abrading substances or abrading tools subjected to a bouncing action by ultrasonic energy B24B 1/04)} [2013-01]
B28D 7/00
Accessories specially adapted for use with machines or devices of the preceding groups {(B28D 5/0058 takes precedence)} [2013-01]
B28D 7/005
.
{Devices for the automatic drive or the program control of the machines} [2013-01]
B28D 7/02
.
for removing or laying dust, e.g. by spraying liquids; for cooling work [2013-01]
B28D 7/04
.
for supporting or holding work {or conveying or discharging work (B28D 1/047, B28D 5/0041, B28D 5/0052 take precedence)} [2013-01]
B28D 7/043
. .
{the supporting or holding device being angularly adjustable} [2013-01]
B28D 7/046
. .
{the supporting or holding device being of the vacuum type} [2013-01]