|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||425/28B ; 425/40 ; 249/83 ; 425/129R|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 11 인용 특허 : 0|
A mold for shaping a belt having teeth on opposite sides thereof has a hollow cylindrical mandrel with a surface configuration corresponding to alternate grooves and teeth to be formed on one side of the belt and a plurality of bars arranged side by side around the mandrel having surfaces facing the mandrel corresponding to the configuration of teeth and grooves to be formed on the opposite side of the belt. The bars are supported in radially spaced relation with the mandrel surface in slots in the peripheral surface of end members for the cylinder and a...
A mold for the manufacture of double-toothed belts comprising a mandrel provided with teeth on its outer surface, a plurality of shaped bars arranged around the toothed surface of the mandrel, said shaped bars having their surface directed towards the mandrel, each bar being shaped to form at least the groove of one tooth and two half teeth, and means for carrying out a guided movement, in a direction radial to the mandrel, of said shaped bars.