TWI736767B

• Main Authors: EMURA, YOICHI, TAMARIBUCHI, SEIYA
• Format: Patent
• Language: Chinese
• Published: 21.08.2021
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; BLASTING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; JOINTS OR FITTINGS FOR PIPES; LIGHTING; MEANS FOR THERMAL INSULATION IN GENERAL; MECHANICAL ENGINEERING; PERFORMING OPERATIONS; PIPES; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; THERMAL INSULATION IN GENERAL; TRANSPORTING; WEAPONS; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

A resinous tube member (1) according to the present invention comprises: a tube body (2) having an internal flow path (P) in which a fluid flows; and an outer cylinder (3) that is arranged so as to cover the periphery of at least a body end (2a) of the tube body (2) on an outer peripheral side of the tube body (2), and that is fixed or adhered to the tube body (2). An outer cylinder end (3a) to be welded to an end of another resinous tube member or a resinous tube fitting is positioned so as to protrude outward in an axis direction (AD) from the body end (2a) on an inner peripheral side thereof, and an inner face step (4) formed by an inner face of the outer cylinder end (3a) and an inner face of the body end (2a) is provided.