Invention Grant
US08337745B2 Integral molten evacuation channel 失效
整体熔融排泄通道

Integral molten evacuation channel
Abstract:
A plastic part is formed with a hollow portion and an integral evacuation channel extending from the hollow portion to a gate at which plastic for the part was injected. During the injection molding process for the part, the channel and portion to be hollowed are filled with molten plastic, and a gas is injected into the portion to be hollowed to force molten material from the portion to be hollowed back through the channel.
Public/Granted literature
Information query
Patent Agency Ranking
0/0