MOLD FOR INJECTION MOLDING OF CAPPING NODE Russian patent published in 2021 - IPC B29C45/00 

FIELD: molding.

SUBSTANCE: invention relates to a mold for injection molding of a capping node. A mold for injection molding of a capping node having a cap and a lid is proposed. The lid contains a nipple made of the first material. The cap contains a dosing channel, which must be sealed by means of the nipple, and which is made of the second material. The mold contains the first and the second parts of the mold, movable relatively to each other. The mold contains a holder adapted for receiving a pre-molded main part with the nipple. The holder holds the main part and the nipple in place in a capping node cavity for forming the capping node. The holder contains a core having a recess for receiving the nipple. The holder additionally contains a tubular part for inserting into the tubular nipple. The tubular part can be connected to a vacuum source.

EFFECT: increase in the reliability of the seal between the nipple and the dosing channel.

22 cl, 18 dwg, 1 tbl