Patent ID: 8894401

Claim:
An injection mold with cooling and heating passage, comprising: a lower mold; and an upper mold forming a forming space in combination with the lower mold, each of the lower mold and the upper mold including a mold body having a part of the forming space in a first side thereof in which a melted resin is injected and formed; a connecting groove having multiple vertical holes formed in a row towards the forming space from a second side of the mold body, the second side of the mold body being an opposite side of the first side of the mold body, the multiple vertical holes being arranged in a row and side by side in contact with each other; and a sealing kit formed by multiple columns arranged in a row and side by side in contact with each other and having a first end inserted into the connecting groove, a portion of the sealing kit being inserted into the connecting groove and airtightly sealing the connecting groove from the second side of the mold body; and a cooling and heating passage formed inside the connecting groove and enclosed by an inner wall of the connecting groove and an first end of the sealing kit.