OPENING MECHANISM, AND MOLDING PROCESSING MACHINE HAVING OPENING MECHANISM

摘要

PROBLEM TO BE SOLVED: To provide an opening mechanism for opening a bag mouth of a bag-like body promptly and reliably with a simple structure and at a low cost, and a molding processing machine having the opening mechanism.SOLUTION: An opening mechanism 110 for opening a bag mouth P1 of a bag-like body P comprises: a pair of curve wall surfaces 111 arranged to confront across a work transportation passage R and swollen toward the work transportation passage R side; and a pair of jet nozzles 112 for ejecting a fluid A to the individual curve wall surfaces 111.