PRODUCTION PROCESS OF RESIN OBJECT, PRODUCTION EQUIPMENT OF RESIN OBJECT AND RESIN FILTER

• Main Authors: TORII TADAO, OYAMA TAKATERU
• Format: Patent
• Language: English
• Published: 23.04.2009
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES; INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS; MAKING GRANULES OR PREFORMS; PERFORMING OPERATIONS; PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS; 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

PROBLEM TO BE SOLVED: To provide a production process of a resin object, production equipment of the resin object and a resin filter used in these production process and equipment; wherein the production process of the resin object allows producing the resin object expressly reduced in fish-eye formation, by comprehensive and effective filtration purification of fish-eye causing gels in a melting resin using a filter composed of a wire mesh/wire nonwoven fabric lamination. SOLUTION: A filter 5 is composed by laminating a wire mesh filter 8 of 500 mesh or more in mesh size rating and a wire nonwoven fabric filter 9 of 60 μm or smaller in filtration fineness. COPYRIGHT: (C)2009,JPO&INPIT