Composite plastic sheet, e.g. for vehicle hatchback shelf, comprises a foamed core with a solid skin and hollow strengthening ribs extending through the core to the skin

• Main Authors: MIYACHI, TOSHIKI, GASAMI, SHINJI
• Format: Patent
• Language: English; German
• Published: 05.04.2007
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; PERFORMING OPERATIONS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

A sheet consists of foamed thermoplastic material (21) enclosed on all sides (15, 17) by a solid skin (19). Tubular hollow ribs (23) of solid material extend right through the foamed material to end at the skin (19). The ribs run in the opposite direction to the direction of foaming. They can be who...