Mold and method for preparing embedded needle-free medicine tube

• Main Authors: YE SHU, SONG HAI, JU ZHIJIE
• Format: Patent
• Language: Chinese; English
• Published: 25.06.2024
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; PERFORMING OPERATIONS; 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

The invention relates to a mold and a method for preparing a pre-embedded needle-free medicine tube, and the mold comprises a first mold body, a second mold body and a third mold body, the second mold body is provided with a second cavity; the mold core is mounted in the first cavity, and the front end of the mold core can extend into the second cavity after the first mold body and the second mold body are closed; and the insert can be pre-buried at the front end of the mold core before mold closing, and the insert is provided with an injection hole and can be left in the injection-molded medicine tube. According to the embodiment of the invention, the insert with the injection hole is pre-embedded at the front end of the mold core before mold closing, and the insert is left in the injection-molded medicine tube, so that the injection hole is prevented from being formed in the injection molding process, the molding of the needle-free medicine tube is more stable, the roundness of the injection hole is ensured