| ReturnTo Theme-Group-Choice | Onelevelup |
| 2D053 | Road repair | |
| E01C21/00 -23/24 | ||
| E01C21/00-23/24 | AA | AA00 PURPOSE AND EFFECTS OF ROAD REPAIR |
AA01 | AA02 | AA03 | AA04 | AA05 | AA06 | AA07 | AA08 | AA09 | AA10 |
| . Pavement preparation | . . Digging-up or scraping-off of pavement | . . . Elimination of old pavement layers | . . . Peeling-off of old pavement layers | . . Crushing or pulverizing of pavement | . . Scraping-together, scooping-up, and transporting of earth and sand | . . Separation and sifting of pavement materials | . . Combination and mixing of new pavement materials | . . Heating of roadbeds or road surfaces | . . . Heating of roadbeds or road surfaces to soften the asphalt | |||
| AA11 | AA12 | AA13 | AA14 | AA15 | AA16 | AA18 | AA20 | |||||
| . Road paving and repair | . . Transfer and supply of paving materials | . . . Materials supplied to the road surface | . . . . Filling of road cracks or fissures with materials | . . Even spreading, rolling, and tamping of materials | . . Curing and cooling of road surfaces | . . Lifting of settled pavement layers | . . Conditioning and repairing of sports facilities | |||||
| AA21 | AA22 | AA23 | AA24 | AA25 | AA26 | AA27 | AA28 | AA29 | AA30 | |||
| . Road-surface processing | . . Road-surface roughening, and grinding and cutting of surface materials | . . . Removal of protruding sections | . . . Digging-out and formation of grooves or depressions | . . . . Digging of circular holes | . . . . Concrete cutting and grooving | . . Formation and filling of joints | . . Marking of road surfaces with letters or other symbols | . . . Lines drawn on surfaces (e.g., at lanes on tracks) | . . Removal of letters or other symbols | |||
| AA31 | AA32 | AA33 | AA34 | AA35 | AA36 | |||||||
| . Measurement | . . Measurement of surface conditions | . . . Measurement of uneven sections or ruts | . . . Measurement of cracks | . . Measurement of curvature | . . Measurement of pavement thickness | |||||||
| AA41 | AA42 | AA43 | AA45 | |||||||||
| . Safety, security, and environmental protection | . . Prevention of overloading | . . Noise reduction | . Construction of inclined or stair-like surfaces | |||||||||
| AB | AB00 MEANS OF MOVING ROAD-REPAIR DEVICES |
AB01 | AB02 | AB03 | AB04 | AB05 | AB06 | AB07 | AB08 | AB09 | ||
| . Fixed-type devices with no means of movement | . Self-propelled systems | . . Passenger systems | . . Self-propelled systems using endless belts (e.g., crawlers) | . Devices using rails or guides | . Devices mounted on a running chassis | . . Devices with specific mounting mechanisms | . . Devices mounted on an arm or boom | . Hand-pushed or hand-carried systems | ||||
| AC | AC00 AUTOMATIC OR REMOTE CONTROL MEANS FOR ROAD-REPAIR DEVICES |
AC01 | AC02 | |||||||||
| . Control of movement, attitude, and position | . Control of work operation and quantity | |||||||||||
| AD | AD00 METHODS, MATERIALS, AND MATERIAL PROPERTIES |
AD01 | AD03 | |||||||||
| . Methods and construction methods | . Materials with specific properties | |||||||||||
| E01C23/09@Z;23/12@B;23/12@Z | BA | BA00 MECHANISMS FOR DIGGING UP OR REMOVING PAVEMENT LAYERS |
BA01 | BA02 | BA03 | BA05 | BA07 | BA09 | BA10 | |||
| . Mechanisms using a rotating blade | . . Mechanisms with blades arranged in a spiral pattern | . . Mechanisms with a specific cover structure | . Mechanisms using a fixed blade | . Mechanisms with a blade having a specific form | . Mechanisms for adjusting the digging depth | . Mechanisms for adjusting the digging width | ||||||
| E01C23/14 | CA | CA00 METHODS OF HEATING THE ROAD SURFACE |
CA01 | CA02 | CA03 | CA05 | CA06 | CA07 | CA09 | |||
| . Combustion heat | . . Gaseous fuels (i.e., including Liquefied Petroleum Gas [LPG]) | . Electricity, microwave heating, or induction heating | . Heat conduction | . Convection heating | . Radiation heating | . Heating methods using underground or buried elements | ||||||
| CB | CB00 ROAD-SURFACE HEATING MECHANISMS |
CB01 | CB02 | CB03 | CB04 | CB05 | ||||||
| . Preheating or gasification mechanisms | . Mechanisms indicating temperature adjustment | . . Distance adjustment | . Mechanisms for adjustment of heating area width | . Specific elevations and folding mechanisms for heating elements | ||||||||
| E01C23/08;23/09@A;23/09@Z | DA | DA00 MECHANISMS FOR SURFACE ROUGHENING, GRINDING, AND CUTTING |
DA01 | DA02 | DA03 | DA05 | DA07 | DA09 | DA10 | |||
| . Use of rotators | . . Rotators with vertical rotating mechanisms | . . Rotators with rotating blades | . Mechanisms with specific blade forms | . Mechanisms using brushes | . Non-rotating mechanisms | . . Striking and crushing mechanisms | ||||||
| DA11 | DA13 | DA15 | ||||||||||
| . Mechanisms using water or air | . Processing mechanisms for ground and cut pieces | . Devices without a driving mechanism | ||||||||||
| E01C23/16@A;23/16@B;23/16@Z | EA | EA00 MECHANISMS FOR MARKING LETTERS AND OTHER SYMBOLS |
EA01 | EA02 | EA03 | EA04 | ||||||
| . Mechanisms for setting the marking position | . . Use of a television (TV) screen or monitor | . . Use of light beams or other kinds of electromagnetic waves | . . . Detection of lines | |||||||||
| EA11 | EA12 | EA13 | EA14 | EA15 | EA17 | EA18 | ||||||
| . Liquid paint materials | . . Devices with heat insulation and mechanisms for increasing temperature | . . Agitation mechanisms | . . Devices having opening structures for intake and discharge means | . . . Rollers or brushes for painting | . . Spraying mechanisms | . . . Spraying mechanisms using a spray can | ||||||
| EA21 | EA22 | EA23 | EA25 | |||||||||
| . Ready-made marking materials | . . Materials containing glass beads | . . . Specific mechanisms for supplying glass beads | . . Tapelike materials for marking | |||||||||
| E01C23/01 | FA | FA00 MEASUREMENT MECHANISMS |
FA01 | FA02 | FA03 | |||||||
| . Contact measuring mechanisms | . Non-contact measuring mechanisms | . . Use of light beams |