Patent ID: 8790113
Filing Date: 2014-07-29
Classification: B29C

Abstract:
1. A mold, comprising: a first core comprising a first die parting surface defining a molding cavity; and a second core matched with the first core and comprising a second die parting surface facing the first die parting surface of the first core; wherein when the mold is closed, the first core and the second core cooperatively form at least one molding space, a plurality of first exhaust grooves is defined in the first die parting surface, a plurality of second exhaust grooves is defined in the second die parting surface, an extension direction of the second exhaust grooves intersects with an extension direction of the first exhaust grooves to form a plurality of gas vents communicating with each other when molding, a part of the gas vents are communicated with the at least one molding space, the first exhaust grooves are machining marks formed during the machining of the first core, and the second exhaust grooves are machining marks formed during the machining of the second core.