MOLDING APPARATUS AND HEATING DEVICE OF PIT AND PIT MOLDING METHOD

• Main Authors: TAKAHASHI KIYOSHI, OKADA KAZUHIRO, AZUMA YOSHIO
• Format: Patent
• Language: English
• Published: 03.10.2000
• Edition: 7
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; CESSPOOLS; FIXED CONSTRUCTIONS; PERFORMING OPERATIONS; SEWERAGE; SEWERS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; TRANSPORTING; WATER SUPPLY; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

PROBLEM TO BE SOLVED: To provide a pit molding apparatus capable of automatically performing a series of pit molding processings and capable of uniformly heating the inner periphery, outer periphery and circumference of a cylindrical part molded as a receiving mouth and to enhance productivity and t...