Patent ID: 9180607
Filing Date: 2015-11-10
Classification: B29C,Y10S

Abstract:
1. A mold characterized in having a cavity enclosed by at least an upper mold and a lower mold, the mold designed for resin foam moldings including the cavity comprising: a cavity main portion to be supplied with foam resin material; and a cavity end portion, disposed above the cavity main portion, to be filled with expanding resin which starts foaming in the cavity main portion, a cavity side portion communicating with one end side of the cavity main portion, wherein the cavity end portion is provided at a vertical surface thereof with a vent hole, wherein an annexed member having an air passage in communication with the vent hole is detachably installed, wherein at least a part of a sectional dimension of the air passage is smaller than that of the vent hole, wherein the vent hole is covered at the cavity side portion thereof with an air permeability material, wherein the vent hole communicates with an external atmosphere through the annexed member, and wherein the mold further comprises inside thereof a core mold that comprises wall portions which each constitute a respective vertical surface of the cavity end portion, and the vent hole is provided at a respective wall portion of the core mold, wherein the vent hole is provided at the respective vertical surface of the respective wall portion in an opposite side of the cavity side portion; and the vent hole is provided at the respective vertical surface farthest from the cavity side portion.