Backhoe with foam filled composite plastic dipper stick

• Main Authors: CHUN KON KIM, JIN KIM, JAE IN KO, JAE WON LEE, EU JIN JEON, YOON MOK LEE
• Format: Patent
• Language: English
• Published: 22.01.1992
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; DREDGING; FIXED CONSTRUCTIONS; FOUNDATIONS; HYDRAULIC ENGINEERING; INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS; PERFORMING OPERATIONS; PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; SOIL SHIFTING; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

A high strength polymeric composite material Dipper Stick (10) which comprises a box shaped structure including an outer casing member (11) formed of a high strength polymeric composite materials, and an inner filler comprising polyurethane foam and disposed inside said outer casing member in order...