发明授权
US4836269A Forming apparatus having catalyst introduction simultaneous with sand injection 失效
具有与注砂同时进行催化剂的成形装置

Forming apparatus having catalyst introduction simultaneous with sand
injection
摘要:
An apparatus and method for simultaneously injecting forming material (14) and a curing additive into a form (22). The apparatus (10) includes a container (12) of forming material (14) interconnected by a conduit (20) to a forming cavity (22). Forming material (14) is discharged into cavity (22) through conduit (20). An integrally formed chamber (36) is provided for simultaneously supplying additive to the discharging forming material (14). Forming material (14) is forced into cavity (22) while simultaneously forcing the additive into the path of the discharging forming material (14).
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