POLYOLEFIN-COVERED STEEL SHEET PILE HAVING RAISED PATTERN AND PRODUCTION THEREOF

• Main Authors: MIYAJIMA YOSHIHIRO, KAYAZONO YOSHIHISA, YOSHIZAKI NOBUKI, KATO HIROTADA
• Format: Patent
• Language: English
• Published: 20.04.1993
• Subjects: ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; ADHESIVES; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL; CHEMISTRY; DYES; INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES; INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; PAINTS; PERFORMING OPERATIONS; POLISHES; PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; SPRAYING OR ATOMISING IN GENERAL; TRANSPORTING; USE OF MATERIALS AS ADHESIVES; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

PURPOSE:To provide a polyolefin-covered steel sheet pile with brick- or dot-like raised patterns on its surface to offer an excellent appearance, and production thereof. CONSTITUTION:A colored polyolefin layer 5 is formed on the surface of a steel sheet pile 1 which has been subjected to surface preparation via a modified polyolefin adhesive layer 4 and a colored polyolefin layer 6 is partially formed on the surface of the colored polyolefin layer 5 in a raised form.