Patent ID: 6722593
Filing Date: 2004-04-20
Classification: B02C,B29B,B29K,B29L,C08J,Y02W

Abstract:
A method of recovering elastomeric material from an article containing the material, the method including softening the elastomeric material by contacting the article with a fluid comprising at least one oil in admixture with at least one volatile solvent to soften the elastomeric material and subjecting the softened material to a shearing force in a shearing means having at least two pairs of counter-rotating rollers wherein said pairs of counter-rotating rollers are disposed one above the other and each pair of counter-rotating rollers is formed from rollers mounted for counter-rotation and having opposed, spirally configured flights and wherein each pair of counter-rotating rollers has a gap therebetween wherein said gap between a pair of counter-rotating rollers disposed above another pair of counter rotating rollers is greater in size than the gap of said another pair of counter-rotating rollers.