PRODUCTION OF INFUSION BOTTLE AND PREFORM FOR INFUSION

摘要

PROBLEM TO BE SOLVED: To simply and easily mass-produce an infusion bottle at a low cost to extremely reduce percent defective. SOLUTION: In an improved method for producing an infusion bottle consisting of a main body portion 1A formed by the blow molding of a plastic preform and a rubber stopper housing portion 1B airtightly closing the mouth of the main body portion 1A by fitting a rubber stopper 2 in a holding rib 3, both of the main body portion 1A of the preform 1 and the holding rib 3 of the rubber stopper housing portion 1B are molded from plastic so as to be integrally connected to produce the preform 1 and the rubber stopper 2 is fitted in the holding rib 3 molded so as to be integrally connected to the main body portion 1A to seal the mouth of the main body portion.