A drum of mine winder contains cowling, means for increase of its hardness made in the form of rings successively installed from the inside of cowling on its entire length and fastened with its internal surface, which external radii are equal to inside radius of cowling. The values of inside radii of rings from the middle of cowling in the direction of its ends constantly increase.
申请公布号
UA37265(U)
申请公布日期
2008.11.25
申请号
UA20080006789U
申请日期
2008.05.19
申请人
"NOVOKRAMATORSK MACHINE BUILDING WORKS", CLOSED JOINT-STOCK COMPANY