kärnide (või valuvormide) valmistusprotsess, mille puhul kasutatakse kuumutamisel kõvenevaid sideaineid (vrd külmkõvendus), in foundry practice, resin-base (furan or phenolic) binder process for molding sands similar to shell coremaking; cores produced with it are solid unless mandrelled out (compare: cold-box process)