|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||26/427.11 ; 15/611.7 ; 15/612.4 ; 15/614.0 ; 15/614.1 ; 26/432.6 ; 42/503.42 ; 42/539.4|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 10 인용 특허 : 17|
A system for molding an endless tractor track by wrapping uncured rubber, calendered cord and wire cable onto the rim of a building and curing drum, positioning the drum within a curing mold, withdrawing the drum from the mold, chilling the drum and then separating the parts of the drum to remove the completed tractor track.
[ What is claimed is:] [1.] Apparatus for molding an endless tractor track from a band of uncured rubber, calendered cord and wire cable, and a plurality of drive lugs, such apparatus comprising:a rotatable building and curing drum having a rim formed with a continuous outer peripheral surface that defines an inner rubber molding matrix, such drum also being formed with a plurality of peripherally spaced drive lug cavities which releasably receive the drive lugs;means to feed drive lugs into the drive lug cavities;supply reels to dispose uncured rubber, ...