|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||428/331 ; 428/403 ; 428/404 ; 428/407|
|발명자 / 주소|
|인용정보||피인용 횟수 : 23 인용 특허 : 0|
A railroad cross-tie made from sand and recycled thermoplastic containers. To practice the invention the containers made of many thermoplastic materials are granulated and mixed together. The labels and small amounts of residue from the original contents remain on the containers. Sand is dried and coated with an adhesive substance. The coated sand and recycled granulated thermoplastic plastics are mixed and heated in a compression mold to form the railroad cross-tie.
A member for maintaining a correct spacing between railroad rails and providing a weight bearing support surface, said member being made from a mixture of caramelized sugar coated sand particles and recycled granulated thermoplastics obtained by granulating containers discarded heated and compression molded to form a railroad cross-tie.